diff --git a/src/main/java/org/codelibs/fess/app/service/LabelTypeService.java b/src/main/java/org/codelibs/fess/app/service/LabelTypeService.java
index a15ce09d8..d89818259 100644
--- a/src/main/java/org/codelibs/fess/app/service/LabelTypeService.java
+++ b/src/main/java/org/codelibs/fess/app/service/LabelTypeService.java
@@ -35,6 +35,7 @@ import org.codelibs.fess.helper.LabelTypeHelper;
 import org.codelibs.fess.util.ComponentUtil;
 import org.dbflute.cbean.result.ListResultBean;
 import org.dbflute.cbean.result.PagingResultBean;
+import org.dbflute.optional.OptionalEntity;
 
 public class LabelTypeService implements Serializable {
 
@@ -189,24 +190,8 @@ public class LabelTypeService implements Serializable {
         }
     }
 
-    public LabelType getLabelType(final Map<String, String> keys) {
-        final LabelType labelType = labelTypeBhv.selectEntity(cb -> {
-            cb.query().docMeta().setId_Equal(keys.get("id"));
-            setupEntityCondition(cb, keys);
-        }).orElse(null);//TODO
-        if (labelType != null) {
-            final List<LabelToRole> wctrtmList = labelToRoleBhv.selectList(wctrtmCb -> {
-                wctrtmCb.query().setLabelTypeId_Equal(labelType.getId());
-            });
-            if (!wctrtmList.isEmpty()) {
-                final List<String> roleTypeIds = new ArrayList<String>(wctrtmList.size());
-                for (final LabelToRole mapping : wctrtmList) {
-                    roleTypeIds.add(mapping.getRoleTypeId());
-                }
-                labelType.setRoleTypeIds(roleTypeIds.toArray(new String[roleTypeIds.size()]));
-            }
-        }
-        return labelType;
+    public OptionalEntity<LabelType> getLabelType(final String id) {
+        return labelTypeBhv.selectByPK(id);
     }
 
 }
diff --git a/src/main/java/org/codelibs/fess/app/service/OverlappingHostService.java b/src/main/java/org/codelibs/fess/app/service/OverlappingHostService.java
index ede4a0063..5ba093079 100644
--- a/src/main/java/org/codelibs/fess/app/service/OverlappingHostService.java
+++ b/src/main/java/org/codelibs/fess/app/service/OverlappingHostService.java
@@ -29,6 +29,7 @@ import org.codelibs.fess.es.cbean.OverlappingHostCB;
 import org.codelibs.fess.es.exbhv.OverlappingHostBhv;
 import org.codelibs.fess.es.exentity.OverlappingHost;
 import org.dbflute.cbean.result.PagingResultBean;
+import org.dbflute.optional.OptionalEntity;
 
 public class OverlappingHostService implements Serializable {
 
@@ -57,17 +58,8 @@ public class OverlappingHostService implements Serializable {
         return overlappingHostList;
     }
 
-    public OverlappingHost getOverlappingHost(final Map<String, String> keys) {
-        final OverlappingHost overlappingHost = overlappingHostBhv.selectEntity(cb -> {
-            cb.query().docMeta().setId_Equal(keys.get("id"));
-            setupEntityCondition(cb, keys);
-        }).orElse(null);//TODO
-        if (overlappingHost == null) {
-            // TODO exception?
-            return null;
-        }
-
-        return overlappingHost;
+    public OptionalEntity<OverlappingHost> getOverlappingHost(final String id) {
+        return overlappingHostBhv.selectByPK(id);
     }
 
     public void store(final OverlappingHost overlappingHost) {
diff --git a/src/main/java/org/codelibs/fess/app/service/RoleTypeService.java b/src/main/java/org/codelibs/fess/app/service/RoleTypeService.java
index a3e752cfb..ce43f691a 100644
--- a/src/main/java/org/codelibs/fess/app/service/RoleTypeService.java
+++ b/src/main/java/org/codelibs/fess/app/service/RoleTypeService.java
@@ -29,6 +29,7 @@ import org.codelibs.fess.es.cbean.RoleTypeCB;
 import org.codelibs.fess.es.exbhv.RoleTypeBhv;
 import org.codelibs.fess.es.exentity.RoleType;
 import org.dbflute.cbean.result.PagingResultBean;
+import org.dbflute.optional.OptionalEntity;
 
 public class RoleTypeService implements Serializable {
 
@@ -57,17 +58,8 @@ public class RoleTypeService implements Serializable {
         return roleTypeList;
     }
 
-    public RoleType getRoleType(final Map<String, String> keys) {
-        final RoleType roleType = roleTypeBhv.selectEntity(cb -> {
-            cb.query().docMeta().setId_Equal(keys.get("id"));
-            setupEntityCondition(cb, keys);
-        }).orElse(null);//TODO
-        if (roleType == null) {
-            // TODO exception?
-            return null;
-        }
-
-        return roleType;
+    public OptionalEntity<RoleType> getRoleType(final String id) {
+        return roleTypeBhv.selectByPK(id);
     }
 
     public void store(final RoleType roleType) {
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/labeltype/AdminLabeltypeAction.java b/src/main/java/org/codelibs/fess/app/web/admin/labeltype/AdminLabeltypeAction.java
index 751211441..6d0da998f 100644
--- a/src/main/java/org/codelibs/fess/app/web/admin/labeltype/AdminLabeltypeAction.java
+++ b/src/main/java/org/codelibs/fess/app/web/admin/labeltype/AdminLabeltypeAction.java
@@ -16,8 +16,6 @@
 
 package org.codelibs.fess.app.web.admin.labeltype;
 
-import java.util.HashMap;
-import java.util.Map;
 
 import javax.annotation.Resource;
 
@@ -27,9 +25,13 @@ import org.codelibs.fess.app.pager.LabelTypePager;
 import org.codelibs.fess.app.service.LabelTypeService;
 import org.codelibs.fess.app.service.RoleTypeService;
 import org.codelibs.fess.app.web.CrudMode;
+import org.codelibs.fess.app.web.admin.labeltype.CreateForm;
+import org.codelibs.fess.app.web.admin.labeltype.EditForm;
+import org.codelibs.fess.app.web.admin.labeltype.SearchForm;
 import org.codelibs.fess.app.web.base.FessAdminAction;
 import org.codelibs.fess.es.exentity.LabelType;
 import org.codelibs.fess.helper.SystemHelper;
+import org.dbflute.optional.OptionalEntity;
 import org.lastaflute.web.Execute;
 import org.lastaflute.web.callback.ActionRuntime;
 import org.lastaflute.web.response.HtmlResponse;
@@ -39,6 +41,7 @@ import org.lastaflute.web.validation.VaErrorHook;
 /**
  * @author shinsuke
  * @author Shunji Makino
+ * @author Keiichi Watanabe
  */
 public class AdminLabeltypeAction extends FessAdminAction {
 
@@ -50,9 +53,9 @@ public class AdminLabeltypeAction extends FessAdminAction {
     @Resource
     private LabelTypePager labelTypePager;
     @Resource
-    private SystemHelper systemHelper;
+    private RoleTypeService roleTypeService;
     @Resource
-    protected RoleTypeService roleTypeService;
+    private SystemHelper systemHelper;
 
     // ===================================================================================
     //                                                                               Hook
@@ -67,14 +70,14 @@ public class AdminLabeltypeAction extends FessAdminAction {
     //                                                                      Search Execute
     //                                                                      ==============
     @Execute
-    public HtmlResponse index(final LabelTypeSearchForm form) {
+    public HtmlResponse index(final SearchForm form) {
         return asHtml(path_AdminLabeltype_IndexJsp).renderWith(data -> {
             searchPaging(data, form);
         });
     }
 
     @Execute
-    public HtmlResponse list(final Integer pageNumber, final LabelTypeSearchForm form) {
+    public HtmlResponse list(final Integer pageNumber, final SearchForm form) {
         labelTypePager.setCurrentPageNumber(pageNumber);
         return asHtml(path_AdminLabeltype_IndexJsp).renderWith(data -> {
             searchPaging(data, form);
@@ -82,15 +85,15 @@ public class AdminLabeltypeAction extends FessAdminAction {
     }
 
     @Execute
-    public HtmlResponse search(final LabelTypeSearchForm form) {
-        copyBeanToBean(form.searchParams, labelTypePager, op -> op.exclude(Constants.PAGER_CONVERSION_RULE));
+    public HtmlResponse search(final SearchForm form) {
+        copyBeanToBean(form, labelTypePager, op -> op.exclude(Constants.PAGER_CONVERSION_RULE));
         return asHtml(path_AdminLabeltype_IndexJsp).renderWith(data -> {
             searchPaging(data, form);
         });
     }
 
     @Execute
-    public HtmlResponse reset(final LabelTypeSearchForm form) {
+    public HtmlResponse reset(final SearchForm form) {
         labelTypePager.clear();
         return asHtml(path_AdminLabeltype_IndexJsp).renderWith(data -> {
             searchPaging(data, form);
@@ -98,17 +101,17 @@ public class AdminLabeltypeAction extends FessAdminAction {
     }
 
     @Execute
-    public HtmlResponse back(final LabelTypeSearchForm form) {
+    public HtmlResponse back(final SearchForm form) {
         return asHtml(path_AdminLabeltype_IndexJsp).renderWith(data -> {
             searchPaging(data, form);
         });
     }
 
-    protected void searchPaging(final RenderData data, final LabelTypeSearchForm form) {
+    protected void searchPaging(final RenderData data, final SearchForm form) {
         data.register("labelTypeItems", labelTypeService.getLabelTypeList(labelTypePager)); // page navi
 
         // restore from pager
-        copyBeanToBean(labelTypePager, form.searchParams, op -> op.exclude(Constants.PAGER_CONVERSION_RULE));
+        copyBeanToBean(labelTypePager, form, op -> op.include("id"));
     }
 
     // ===================================================================================
@@ -119,63 +122,106 @@ public class AdminLabeltypeAction extends FessAdminAction {
     //                                            ----------
     @Token(save = true, validate = false)
     @Execute
-    public HtmlResponse createpage(final LabelTypeEditForm form) {
-        form.initialize();
-        form.crudMode = CrudMode.CREATE;
-        return asHtml(path_AdminLabeltype_EditJsp).renderWith(data -> {
-            data.register("roleTypeItems", roleTypeService.getRoleTypeList());
+    public HtmlResponse createpage() {
+        return asHtml(path_AdminLabeltype_EditJsp).useForm(CreateForm.class, op -> {
+            op.setup(form -> {
+                form.initialize();
+                form.crudMode = CrudMode.CREATE;
+            });
+        }).renderWith(data -> {
+            registerItems(data);
         });
     }
 
     @Token(save = true, validate = false)
     @Execute
-    public HtmlResponse editpage(final int crudMode, final String id, final LabelTypeEditForm form) {
-        form.crudMode = crudMode;
-        form.id = id;
-        verifyCrudMode(form, CrudMode.EDIT);
-        loadLabelType(form);
-        return asHtml(path_AdminLabeltype_EditJsp).renderWith(data -> {
-            data.register("roleTypeItems", roleTypeService.getRoleTypeList());
+    public HtmlResponse editpage(final int crudMode, final String id) {
+        verifyCrudMode(crudMode, CrudMode.EDIT);
+        return asHtml(path_AdminLabeltype_EditJsp).useForm(EditForm.class, op -> {
+            op.setup(form -> {
+                labelTypeService.getLabelType(id).ifPresent(entity -> {
+                    copyBeanToBean(entity, form, copyOp -> {
+                        copyOp.excludeNull();
+                    });
+                }).orElse(() -> {
+                    throwValidationError(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, id), toEditHtml());
+                });
+                form.crudMode = crudMode;
+            });
+        }).renderWith(data -> {
+            registerItems(data);
         });
     }
 
     @Token(save = true, validate = false)
     @Execute
-    public HtmlResponse editagain(final LabelTypeEditForm form) {
+    public HtmlResponse createagain(final CreateForm form) {
+        verifyCrudMode(form.crudMode, CrudMode.CREATE);
+        validate(form, messages -> {}, toEditHtml());
         return asHtml(path_AdminLabeltype_EditJsp).renderWith(data -> {
-            data.register("roleTypeItems", roleTypeService.getRoleTypeList());
+            registerItems(data);
         });
     }
 
     @Token(save = true, validate = false)
     @Execute
-    public HtmlResponse editfromconfirm(final LabelTypeEditForm form) {
+    public HtmlResponse editagain(final EditForm form) {
+        verifyCrudMode(form.crudMode, CrudMode.EDIT);
+        validate(form, messages -> {}, toEditHtml());
+        return asHtml(path_AdminLabeltype_EditJsp).renderWith(data -> {
+            registerItems(data);
+        });
+    }
+
+    @Token(save = true, validate = false)
+    @Execute
+    public HtmlResponse editfromconfirm(final EditForm form) {
+        validate(form, messages -> {}, toEditHtml());
         form.crudMode = CrudMode.EDIT;
-        loadLabelType(form);
+        final String id = form.id;
+        labelTypeService.getLabelType(id).ifPresent(entity -> {
+            copyBeanToBean(entity, form, op -> {});
+        }).orElse(() -> {
+            throwValidationError(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, id), toEditHtml());
+        });
         return asHtml(path_AdminLabeltype_EditJsp).renderWith(data -> {
-            data.register("roleTypeItems", roleTypeService.getRoleTypeList());
+            registerItems(data);
         });
     }
 
     @Token(save = true, validate = false)
     @Execute
-    public HtmlResponse deletepage(final int crudMode, final String id, final LabelTypeEditForm form) {
-        form.crudMode = crudMode;
-        form.id = id;
-        verifyCrudMode(form, CrudMode.DELETE);
-        loadLabelType(form);
-        return asHtml(path_AdminLabeltype_ConfirmJsp).renderWith(data -> {
-            data.register("roleTypeItems", roleTypeService.getRoleTypeList());
+    public HtmlResponse deletepage(final int crudMode, final String id) {
+        verifyCrudMode(crudMode, CrudMode.DELETE);
+        return asHtml(path_AdminLabeltype_ConfirmJsp).useForm(EditForm.class, op -> {
+            op.setup(form -> {
+                labelTypeService.getLabelType(id).ifPresent(entity -> {
+                    copyBeanToBean(entity, form, copyOp -> {
+                        copyOp.excludeNull();
+                    });
+                }).orElse(() -> {
+                    throwValidationError(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, id), toEditHtml());
+                });
+                form.crudMode = crudMode;
+            });
+        }).renderWith(data -> {
+            registerItems(data);
         });
     }
 
     @Token(save = true, validate = false)
     @Execute
-    public HtmlResponse deletefromconfirm(final LabelTypeEditForm form) {
+    public HtmlResponse deletefromconfirm(final EditForm form) {
+        validate(form, messages -> {}, toEditHtml());
         form.crudMode = CrudMode.DELETE;
-        loadLabelType(form);
+        final String id = form.id;
+        labelTypeService.getLabelType(id).ifPresent(entity -> {
+            copyBeanToBean(entity, form, op -> {});
+        }).orElse(() -> {
+            throwValidationError(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, id), toEditHtml());
+        });
         return asHtml(path_AdminLabeltype_ConfirmJsp).renderWith(data -> {
-            data.register("roleTypeItems", roleTypeService.getRoleTypeList());
+            registerItems(data);
         });
     }
 
@@ -183,31 +229,41 @@ public class AdminLabeltypeAction extends FessAdminAction {
     //                                               Confirm
     //                                               -------
     @Execute
-    public HtmlResponse confirmpage(final int crudMode, final String id, final LabelTypeEditForm form) {
-        form.crudMode = crudMode;
-        form.id = id;
-        verifyCrudMode(form, CrudMode.CONFIRM);
-        loadLabelType(form);
-        return asHtml(path_AdminLabeltype_ConfirmJsp).renderWith(data -> {
-            data.register("roleTypeItems", roleTypeService.getRoleTypeList());
+    public HtmlResponse confirmpage(final int crudMode, final String id) {
+        verifyCrudMode(crudMode, CrudMode.CONFIRM);
+        return asHtml(path_AdminLabeltype_ConfirmJsp).useForm(EditForm.class, op -> {
+            op.setup(form -> {
+                labelTypeService.getLabelType(id).ifPresent(entity -> {
+                    copyBeanToBean(entity, form, copyOp -> {
+                        copyOp.excludeNull();
+                    });
+                    form.crudMode = crudMode;
+                }).orElse(() -> {
+                    throwValidationError(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, id), toEditHtml());
+                });
+            });
+        }).renderWith(data -> {
+            registerItems(data);
         });
     }
 
     @Token(save = false, validate = true, keep = true)
     @Execute
-    public HtmlResponse confirmfromcreate(final LabelTypeEditForm form) {
+    public HtmlResponse confirmfromcreate(final CreateForm form) {
         validate(form, messages -> {}, toEditHtml());
+        form.crudMode = CrudMode.CREATE;
         return asHtml(path_AdminLabeltype_ConfirmJsp).renderWith(data -> {
-            data.register("roleTypeItems", roleTypeService.getRoleTypeList());
+            registerItems(data);
         });
     }
 
     @Token(save = false, validate = true, keep = true)
     @Execute
-    public HtmlResponse confirmfromupdate(final LabelTypeEditForm form) {
+    public HtmlResponse confirmfromupdate(final EditForm form) {
         validate(form, messages -> {}, toEditHtml());
+        form.crudMode = CrudMode.EDIT;
         return asHtml(path_AdminLabeltype_ConfirmJsp).renderWith(data -> {
-            data.register("roleTypeItems", roleTypeService.getRoleTypeList());
+            registerItems(data);
         });
     }
 
@@ -216,75 +272,91 @@ public class AdminLabeltypeAction extends FessAdminAction {
     //                                         -------------
     @Token(save = false, validate = true)
     @Execute
-    public HtmlResponse create(final LabelTypeEditForm form) {
+    public HtmlResponse create(final CreateForm form) {
+        verifyCrudMode(form.crudMode, CrudMode.CREATE);
         validate(form, messages -> {}, toEditHtml());
-        labelTypeService.store(createLabelType(form));
-        saveInfo(messages -> messages.addSuccessCrudCreateCrudTable(GLOBAL));
+        createLabelType(form).ifPresent(entity -> {
+            copyBeanToBean(form, entity, op -> op.exclude(Constants.COMMON_CONVERSION_RULE));
+            labelTypeService.store(entity);
+            saveInfo(messages -> messages.addSuccessCrudCreateCrudTable(GLOBAL));
+        }).orElse(() -> {
+            throwValidationError(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL), toEditHtml());
+        });
         return redirect(getClass());
     }
 
     @Token(save = false, validate = true)
     @Execute
-    public HtmlResponse update(final LabelTypeEditForm form) {
+    public HtmlResponse update(final EditForm form) {
+        verifyCrudMode(form.crudMode, CrudMode.EDIT);
         validate(form, messages -> {}, toEditHtml());
-        labelTypeService.store(createLabelType(form));
-        saveInfo(messages -> messages.addSuccessCrudUpdateCrudTable(GLOBAL));
+        createLabelType(form).ifPresent(entity -> {
+            copyBeanToBean(form, entity, op -> op.exclude(Constants.COMMON_CONVERSION_RULE));
+            labelTypeService.store(entity);
+            saveInfo(messages -> messages.addSuccessCrudUpdateCrudTable(GLOBAL));
+        }).orElse(() -> {
+            throwValidationError(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, form.id), toEditHtml());
+        });
         return redirect(getClass());
     }
 
     @Execute
-    public HtmlResponse delete(final LabelTypeEditForm form) {
-        verifyCrudMode(form, CrudMode.DELETE);
-        labelTypeService.delete(getLabelType(form));
-        saveInfo(messages -> messages.addSuccessCrudDeleteCrudTable(GLOBAL));
+    public HtmlResponse delete(final EditForm form) {
+        verifyCrudMode(form.crudMode, CrudMode.DELETE);
+        validate(form, messages -> {}, toEditHtml());
+        final String id = form.id;
+        labelTypeService.getLabelType(id).ifPresent(entity -> {
+            labelTypeService.delete(entity);
+            saveInfo(messages -> messages.addSuccessCrudDeleteCrudTable(GLOBAL));
+        }).orElse(() -> {
+            throwValidationError(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, id), toEditHtml());
+        });
         return redirect(getClass());
     }
 
     // ===================================================================================
     //                                                                        Assist Logic
     //                                                                        ============
-    protected void loadLabelType(final LabelTypeEditForm form) {
-        copyBeanToBean(getLabelType(form), form, op -> op.exclude("crudMode"));
-    }
-
-    protected LabelType getLabelType(final LabelTypeEditForm form) {
-        final LabelType labelType = labelTypeService.getLabelType(createKeyMap(form));
-        if (labelType == null) {
-            throwValidationError(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, form.id), toEditHtml());
-        }
-        return labelType;
-    }
-
-    protected LabelType createLabelType(final LabelTypeEditForm form) {
-        LabelType labelType;
+    protected OptionalEntity<LabelType> createLabelType(final CreateForm form) {
         final String username = systemHelper.getUsername();
         final long currentTime = systemHelper.getCurrentTimeAsLong();
-        if (form.crudMode == CrudMode.EDIT) {
-            labelType = getLabelType(form);
-        } else {
-            labelType = new LabelType();
-            labelType.setCreatedBy(username);
-            labelType.setCreatedTime(currentTime);
+        switch (form.crudMode) {
+        case CrudMode.CREATE:
+            if (form instanceof CreateForm) {
+                final LabelType entity = new LabelType();
+                entity.setCreatedBy(username);
+                entity.setCreatedTime(currentTime);
+                entity.setUpdatedBy(username);
+                entity.setUpdatedTime(currentTime);
+                return OptionalEntity.of(entity);
+            }
+            break;
+        case CrudMode.EDIT:
+            if (form instanceof EditForm) {
+                return labelTypeService.getLabelType(((EditForm) form).id).map(entity -> {
+                    entity.setUpdatedBy(username);
+                    entity.setUpdatedTime(currentTime);
+                    return entity;
+                });
+            }
+            break;
+        default:
+            break;
         }
-        labelType.setUpdatedBy(username);
-        labelType.setUpdatedTime(currentTime);
-        copyBeanToBean(form, labelType, op -> op.exclude(Constants.COMMON_CONVERSION_RULE));
-        return labelType;
+        return OptionalEntity.empty();
     }
 
-    protected Map<String, String> createKeyMap(final LabelTypeEditForm form) {
-        final Map<String, String> keys = new HashMap<String, String>();
-        keys.put("id", form.id);
-        return keys;
+    protected void registerItems(final RenderData data) {
+        data.register("roleTypeItems", roleTypeService.getRoleTypeList());
     }
 
     // ===================================================================================
     //                                                                        Small Helper
     //                                                                        ============
-    protected void verifyCrudMode(final LabelTypeEditForm form, final int expectedMode) {
-        if (form.crudMode != expectedMode) {
+    protected void verifyCrudMode(final int crudMode, final int expectedMode) {
+        if (crudMode != expectedMode) {
             throwValidationError(messages -> {
-                messages.addErrorsCrudInvalidMode(GLOBAL, String.valueOf(expectedMode), String.valueOf(form.crudMode));
+                messages.addErrorsCrudInvalidMode(GLOBAL, String.valueOf(expectedMode), String.valueOf(crudMode));
             }, toEditHtml());
         }
     }
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/labeltype/CreateForm.java b/src/main/java/org/codelibs/fess/app/web/admin/labeltype/CreateForm.java
new file mode 100644
index 000000000..8d4788238
--- /dev/null
+++ b/src/main/java/org/codelibs/fess/app/web/admin/labeltype/CreateForm.java
@@ -0,0 +1,78 @@
+/*
+ * Copyright 2009-2015 the CodeLibs Project and the Others.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
+ * either express or implied. See the License for the specific language
+ * governing permissions and limitations under the License.
+ */
+
+package org.codelibs.fess.app.web.admin.labeltype;
+
+import java.io.Serializable;
+
+import javax.validation.constraints.Max;
+import javax.validation.constraints.Min;
+import javax.validation.constraints.Pattern;
+import javax.validation.constraints.Size;
+
+import org.codelibs.fess.app.web.CrudMode;
+import org.codelibs.fess.util.ComponentUtil;
+import org.lastaflute.web.validation.Required;
+
+/**
+ * @author codelibs
+ * @author Shunji Makino
+ * @author Keiichi Watanabe
+ */
+public class CreateForm implements Serializable {
+
+    private static final long serialVersionUID = 1L;
+
+    public String[] roleTypeIds;
+
+    public Integer crudMode;
+
+    @Required
+    @Size(max = 100)
+    public String name;
+
+    @Required
+    @Size(max = 20)
+    @Pattern(regexp = "^[a-zA-Z0-9_-| ]+$")
+    public String value;
+
+    @Required
+    @Size(max = 4000)
+    public String includedPaths;
+
+    @Required
+    @Size(max = 4000)
+    public String excludedPaths;
+
+    @Required
+    @Min(value = 0)
+    @Max(value = 2147483647)
+    public Integer sortOrder;
+
+    @Required
+    @Size(max = 1000)
+    public String createdBy;
+
+    @Required
+    public Long createdTime;
+
+    public void initialize() {
+        crudMode = CrudMode.CREATE;
+        sortOrder = 0;
+        createdBy = ComponentUtil.getSystemHelper().getUsername();
+        createdTime = ComponentUtil.getSystemHelper().getCurrentTimeAsLong();
+    }
+}
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/labeltype/EditForm.java b/src/main/java/org/codelibs/fess/app/web/admin/labeltype/EditForm.java
new file mode 100644
index 000000000..f9e393c23
--- /dev/null
+++ b/src/main/java/org/codelibs/fess/app/web/admin/labeltype/EditForm.java
@@ -0,0 +1,42 @@
+/*
+ * Copyright 2009-2015 the CodeLibs Project and the Others.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
+ * either express or implied. See the License for the specific language
+ * governing permissions and limitations under the License.
+ */
+
+package org.codelibs.fess.app.web.admin.labeltype;
+
+import javax.validation.constraints.Size;
+
+import org.lastaflute.web.validation.Required;
+
+/**
+ * @author Keiichi Watanabe
+ */
+public class EditForm extends CreateForm {
+
+    private static final long serialVersionUID = 1L;
+
+    @Required
+    @Size(max = 1000)
+    public String id;
+
+    @Size(max = 1000)
+    public String updatedBy;
+
+    public Long updatedTime;
+
+    @Required
+    public Integer versionNo;
+
+}
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/labeltype/LabelTypeEditForm.java b/src/main/java/org/codelibs/fess/app/web/admin/labeltype/LabelTypeEditForm.java
deleted file mode 100644
index 583c99605..000000000
--- a/src/main/java/org/codelibs/fess/app/web/admin/labeltype/LabelTypeEditForm.java
+++ /dev/null
@@ -1,91 +0,0 @@
-/*
- * Copyright 2009-2015 the CodeLibs Project and the Others.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
- * either express or implied. See the License for the specific language
- * governing permissions and limitations under the License.
- */
-
-package org.codelibs.fess.app.web.admin.labeltype;
-
-import java.io.Serializable;
-
-import org.codelibs.fess.util.ComponentUtil;
-
-/**
- * @author codelibs
- * @author Shunji Makino
- */
-public class LabelTypeEditForm implements Serializable {
-
-    private static final long serialVersionUID = 1L;
-
-    public String[] roleTypeIds;
-
-    //@IntegerType
-    public int crudMode;
-
-    //@Required(target = "confirmfromupdate,update,delete")
-    //@Maxbytelength(maxbytelength = 1000)
-    public String id;
-
-    //@Required(target = "confirmfromcreate,create,confirmfromupdate,update,delete")
-    //@Maxbytelength(maxbytelength = 100)
-    public String name;
-
-    //@Required(target = "confirmfromcreate,create,confirmfromupdate,update,delete")
-    //@Maxbytelength(maxbytelength = 20)
-    //@Mask(mask = "^[a-zA-Z0-9_-]+$", msg = @Msg(key = "errors.alphaDigitOnly"))
-    public String value;
-
-    //@Maxbytelength(maxbytelength = 4000)
-    public String includedPaths;
-
-    //@Maxbytelength(maxbytelength = 4000)
-    public String excludedPaths;
-
-    //@Required(target = "confirmfromupdate,update,delete")
-    //@IntRange(min = 0, max = 2147483647)
-    public String sortOrder;
-
-    //@Required(target = "confirmfromupdate,update,delete")
-    //@Maxbytelength(maxbytelength = 255)
-    public String createdBy;
-
-    //@Required(target = "confirmfromupdate,update,delete")
-    //@LongType
-    public String createdTime;
-
-    //@Maxbytelength(maxbytelength = 255)
-    public String updatedBy;
-
-    //@LongType
-    public String updatedTime;
-
-    //@Required(target = "confirmfromupdate,update,delete")
-    //@IntegerType
-    public String versionNo;
-
-    public void initialize() {
-        id = null;
-        name = null;
-        value = null;
-        includedPaths = null;
-        excludedPaths = null;
-        sortOrder = null;
-        createdBy = "system";
-        createdTime = Long.toString(ComponentUtil.getSystemHelper().getCurrentTimeAsLong());
-        updatedBy = null;
-        updatedTime = null;
-        versionNo = null;
-        sortOrder = "0";
-    }
-}
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/labeltype/LabelTypeSearchForm.java b/src/main/java/org/codelibs/fess/app/web/admin/labeltype/SearchForm.java
similarity index 81%
rename from src/main/java/org/codelibs/fess/app/web/admin/labeltype/LabelTypeSearchForm.java
rename to src/main/java/org/codelibs/fess/app/web/admin/labeltype/SearchForm.java
index c8db86a60..df656e732 100644
--- a/src/main/java/org/codelibs/fess/app/web/admin/labeltype/LabelTypeSearchForm.java
+++ b/src/main/java/org/codelibs/fess/app/web/admin/labeltype/SearchForm.java
@@ -17,16 +17,14 @@
 package org.codelibs.fess.app.web.admin.labeltype;
 
 import java.io.Serializable;
-import java.util.HashMap;
-import java.util.Map;
 
 /**
  * @author codelibs
  * @author Shunji Makino
  */
-public class LabelTypeSearchForm implements Serializable {
+public class SearchForm implements Serializable {
 
     private static final long serialVersionUID = 1L;
 
-    public Map<String, String> searchParams = new HashMap<String, String>();
+    public String id;
 }
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/overlappinghost/AdminOverlappinghostAction.java b/src/main/java/org/codelibs/fess/app/web/admin/overlappinghost/AdminOverlappinghostAction.java
index 4b48748b3..e44c5faad 100644
--- a/src/main/java/org/codelibs/fess/app/web/admin/overlappinghost/AdminOverlappinghostAction.java
+++ b/src/main/java/org/codelibs/fess/app/web/admin/overlappinghost/AdminOverlappinghostAction.java
@@ -16,9 +16,6 @@
 
 package org.codelibs.fess.app.web.admin.overlappinghost;
 
-import java.util.HashMap;
-import java.util.Map;
-
 import javax.annotation.Resource;
 
 import org.codelibs.fess.Constants;
@@ -29,6 +26,7 @@ import org.codelibs.fess.app.web.CrudMode;
 import org.codelibs.fess.app.web.base.FessAdminAction;
 import org.codelibs.fess.es.exentity.OverlappingHost;
 import org.codelibs.fess.helper.SystemHelper;
+import org.dbflute.optional.OptionalEntity;
 import org.lastaflute.web.Execute;
 import org.lastaflute.web.callback.ActionRuntime;
 import org.lastaflute.web.response.HtmlResponse;
@@ -64,14 +62,14 @@ public class AdminOverlappinghostAction extends FessAdminAction {
     //                                                                      Search Execute
     //                                                                      ==============
     @Execute
-    public HtmlResponse index(final OverlappingHostSearchForm form) {
+    public HtmlResponse index(final SearchForm form) {
         return asHtml(path_AdminOverlappinghost_IndexJsp).renderWith(data -> {
             searchPaging(data, form);
         });
     }
 
     @Execute
-    public HtmlResponse list(final Integer pageNumber, final OverlappingHostSearchForm form) {
+    public HtmlResponse list(final Integer pageNumber, final SearchForm form) {
         overlappingHostPager.setCurrentPageNumber(pageNumber);
         return asHtml(path_AdminOverlappinghost_IndexJsp).renderWith(data -> {
             searchPaging(data, form);
@@ -79,15 +77,15 @@ public class AdminOverlappinghostAction extends FessAdminAction {
     }
 
     @Execute
-    public HtmlResponse search(final OverlappingHostSearchForm form) {
-        copyBeanToBean(form.searchParams, overlappingHostPager, op -> op.exclude(Constants.PAGER_CONVERSION_RULE));
+    public HtmlResponse search(final SearchForm form) {
+        copyBeanToBean(form, overlappingHostPager, op -> op.exclude(Constants.PAGER_CONVERSION_RULE));
         return asHtml(path_AdminOverlappinghost_IndexJsp).renderWith(data -> {
             searchPaging(data, form);
         });
     }
 
     @Execute
-    public HtmlResponse reset(final OverlappingHostSearchForm form) {
+    public HtmlResponse reset(final SearchForm form) {
         overlappingHostPager.clear();
         return asHtml(path_AdminOverlappinghost_IndexJsp).renderWith(data -> {
             searchPaging(data, form);
@@ -95,17 +93,17 @@ public class AdminOverlappinghostAction extends FessAdminAction {
     }
 
     @Execute
-    public HtmlResponse back(final OverlappingHostSearchForm form) {
+    public HtmlResponse back(final SearchForm form) {
         return asHtml(path_AdminOverlappinghost_IndexJsp).renderWith(data -> {
             searchPaging(data, form);
         });
     }
 
-    protected void searchPaging(final RenderData data, final OverlappingHostSearchForm form) {
+    protected void searchPaging(final RenderData data, final SearchForm form) {
         data.register("overlappingHostItems", overlappingHostService.getOverlappingHostList(overlappingHostPager)); // page navi
 
         // restore from pager
-        copyBeanToBean(overlappingHostPager, form.searchParams, op -> op.exclude(Constants.PAGER_CONVERSION_RULE));
+        copyBeanToBean(overlappingHostPager, form, op -> op.include("id"));
     }
 
     // ===================================================================================
@@ -116,51 +114,92 @@ public class AdminOverlappinghostAction extends FessAdminAction {
     //                                            ----------
     @Token(save = true, validate = false)
     @Execute
-    public HtmlResponse createpage(final OverlappingHostEditForm form) {
-        form.initialize();
-        form.crudMode = CrudMode.CREATE;
+    public HtmlResponse createpage() {
+        return asHtml(path_AdminOverlappinghost_EditJsp).useForm(CreateForm.class, op -> {
+            op.setup(form -> {
+                form.initialize();
+                form.crudMode = CrudMode.CREATE;
+            });
+        });
+    }
+
+    @Token(save = true, validate = false)
+    @Execute
+    public HtmlResponse editpage(final int crudMode, final String id) {
+        verifyCrudMode(crudMode, CrudMode.EDIT);
+        return asHtml(path_AdminOverlappinghost_EditJsp).useForm(EditForm.class, op -> {
+            op.setup(form -> {
+                overlappingHostService.getOverlappingHost(id).ifPresent(entity -> {
+                    copyBeanToBean(entity, form, copyOp -> {
+                        copyOp.excludeNull();
+                    });
+                }).orElse(() -> {
+                    throwValidationError(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, id), toEditHtml());
+                });
+                form.crudMode = crudMode;
+            });
+        });
+    }
+
+    @Token(save = true, validate = false)
+    @Execute
+    public HtmlResponse createagain(final CreateForm form) {
+        verifyCrudMode(form.crudMode, CrudMode.CREATE);
+        validate(form, messages -> {}, toEditHtml());
         return asHtml(path_AdminOverlappinghost_EditJsp);
     }
 
     @Token(save = true, validate = false)
     @Execute
-    public HtmlResponse editpage(final int crudMode, final String id, final OverlappingHostEditForm form) {
-        form.crudMode = crudMode;
-        form.id = id;
-        verifyCrudMode(form, CrudMode.EDIT);
-        loadOverlappingHost(form);
+    public HtmlResponse editagain(final EditForm form) {
+        verifyCrudMode(form.crudMode, CrudMode.EDIT);
+        validate(form, messages -> {}, toEditHtml());
         return asHtml(path_AdminOverlappinghost_EditJsp);
     }
 
     @Token(save = true, validate = false)
     @Execute
-    public HtmlResponse editagain(final OverlappingHostEditForm form) {
-        return asHtml(path_AdminOverlappinghost_EditJsp);
-    }
-
-    @Token(save = true, validate = false)
-    @Execute
-    public HtmlResponse editfromconfirm(final OverlappingHostEditForm form) {
+    public HtmlResponse editfromconfirm(final EditForm form) {
+        validate(form, messages -> {}, toEditHtml());
         form.crudMode = CrudMode.EDIT;
-        loadOverlappingHost(form);
+        final String id = form.id;
+        overlappingHostService.getOverlappingHost(id).ifPresent(entity -> {
+            copyBeanToBean(entity, form, op -> {});
+        }).orElse(() -> {
+            throwValidationError(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, id), toEditHtml());
+        });
         return asHtml(path_AdminOverlappinghost_EditJsp);
     }
 
     @Token(save = true, validate = false)
     @Execute
-    public HtmlResponse deletepage(final int crudMode, final String id, final OverlappingHostEditForm form) {
-        form.crudMode = crudMode;
-        form.id = id;
-        verifyCrudMode(form, CrudMode.DELETE);
-        loadOverlappingHost(form);
-        return asHtml(path_AdminOverlappinghost_ConfirmJsp);
+    public HtmlResponse deletepage(final int crudMode, final String id) {
+        verifyCrudMode(crudMode, CrudMode.DELETE);
+        return asHtml(path_AdminOverlappinghost_ConfirmJsp).useForm(EditForm.class, op -> {
+            op.setup(form -> {
+                overlappingHostService.getOverlappingHost(id).ifPresent(entity -> {
+                    copyBeanToBean(entity, form, copyOp -> {
+                        copyOp.excludeNull();
+                    });
+                }).orElse(() -> {
+                    throwValidationError(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, id), toEditHtml());
+                });
+                form.crudMode = crudMode;
+            });
+        });
     }
 
     @Token(save = true, validate = false)
     @Execute
-    public HtmlResponse deletefromconfirm(final OverlappingHostEditForm form) {
+    public HtmlResponse deletefromconfirm(final EditForm form) {
+        validate(form, messages -> {}, toEditHtml());
         form.crudMode = CrudMode.DELETE;
-        loadOverlappingHost(form);
+        final String id = form.id;
+        overlappingHostService.getOverlappingHost(id).ifPresent(entity -> {
+            copyBeanToBean(entity, form, op -> {});
+        }).orElse(() -> {
+            throwValidationError(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, id), toEditHtml());
+        });
         return asHtml(path_AdminOverlappinghost_ConfirmJsp);
     }
 
@@ -168,25 +207,35 @@ public class AdminOverlappinghostAction extends FessAdminAction {
     //                                               Confirm
     //                                               -------
     @Execute
-    public HtmlResponse confirmpage(final int crudMode, final String id, final OverlappingHostEditForm form) {
-        form.crudMode = crudMode;
-        form.id = id;
-        verifyCrudMode(form, CrudMode.CONFIRM);
-        loadOverlappingHost(form);
+    public HtmlResponse confirmpage(final int crudMode, final String id) {
+        verifyCrudMode(crudMode, CrudMode.CONFIRM);
+        return asHtml(path_AdminOverlappinghost_ConfirmJsp).useForm(EditForm.class, op -> {
+            op.setup(form -> {
+                overlappingHostService.getOverlappingHost(id).ifPresent(entity -> {
+                    copyBeanToBean(entity, form, copyOp -> {
+                        copyOp.excludeNull();
+                    });
+                    form.crudMode = crudMode;
+                }).orElse(() -> {
+                    throwValidationError(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, id), toEditHtml());
+                });
+            });
+        });
+    }
+
+    @Token(save = false, validate = true, keep = true)
+    @Execute
+    public HtmlResponse confirmfromcreate(final CreateForm form) {
+        validate(form, messages -> {}, toEditHtml());
+        form.crudMode = CrudMode.CREATE;
         return asHtml(path_AdminOverlappinghost_ConfirmJsp);
     }
 
     @Token(save = false, validate = true, keep = true)
     @Execute
-    public HtmlResponse confirmfromcreate(final OverlappingHostEditForm form) {
-        validate(form, messages -> {}, toEditHtml());
-        return asHtml(path_AdminOverlappinghost_ConfirmJsp);
-    }
-
-    @Token(save = false, validate = true, keep = true)
-    @Execute
-    public HtmlResponse confirmfromupdate(final OverlappingHostEditForm form) {
+    public HtmlResponse confirmfromupdate(final EditForm form) {
         validate(form, messages -> {}, toEditHtml());
+        form.crudMode = CrudMode.EDIT;
         return asHtml(path_AdminOverlappinghost_ConfirmJsp);
     }
 
@@ -195,75 +244,87 @@ public class AdminOverlappinghostAction extends FessAdminAction {
     //                                         -------------
     @Token(save = false, validate = true)
     @Execute
-    public HtmlResponse create(final OverlappingHostEditForm form) {
+    public HtmlResponse create(final CreateForm form) {
+        verifyCrudMode(form.crudMode, CrudMode.CREATE);
         validate(form, messages -> {}, toEditHtml());
-        overlappingHostService.store(createOverlappingHost(form));
-        saveInfo(messages -> messages.addSuccessCrudCreateCrudTable(GLOBAL));
+        createOverlappingHost(form).ifPresent(entity -> {
+            copyBeanToBean(form, entity, op -> op.exclude(Constants.COMMON_CONVERSION_RULE));
+            overlappingHostService.store(entity);
+            saveInfo(messages -> messages.addSuccessCrudCreateCrudTable(GLOBAL));
+        }).orElse(() -> {
+            throwValidationError(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL), toEditHtml());
+        });
         return redirect(getClass());
     }
 
     @Token(save = false, validate = true)
     @Execute
-    public HtmlResponse update(final OverlappingHostEditForm form) {
+    public HtmlResponse update(final EditForm form) {
+        verifyCrudMode(form.crudMode, CrudMode.EDIT);
         validate(form, messages -> {}, toEditHtml());
-        overlappingHostService.store(createOverlappingHost(form));
-        saveInfo(messages -> messages.addSuccessCrudUpdateCrudTable(GLOBAL));
+        createOverlappingHost(form).ifPresent(entity -> {
+            copyBeanToBean(form, entity, op -> op.exclude(Constants.COMMON_CONVERSION_RULE));
+            overlappingHostService.store(entity);
+            saveInfo(messages -> messages.addSuccessCrudUpdateCrudTable(GLOBAL));
+        }).orElse(() -> {
+            throwValidationError(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, form.id), toEditHtml());
+        });
         return redirect(getClass());
     }
 
     @Execute
-    public HtmlResponse delete(final OverlappingHostEditForm form) {
-        verifyCrudMode(form, CrudMode.DELETE);
-        overlappingHostService.delete(getOverlappingHost(form));
-        saveInfo(messages -> messages.addSuccessCrudDeleteCrudTable(GLOBAL));
+    public HtmlResponse delete(final EditForm form) {
+        verifyCrudMode(form.crudMode, CrudMode.DELETE);
+        validate(form, messages -> {}, toEditHtml());
+        final String id = form.id;
+        overlappingHostService.getOverlappingHost(id).ifPresent(entity -> {
+            overlappingHostService.delete(entity);
+            saveInfo(messages -> messages.addSuccessCrudDeleteCrudTable(GLOBAL));
+        }).orElse(() -> {
+            throwValidationError(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, id), toEditHtml());
+        });
         return redirect(getClass());
     }
 
     // ===================================================================================
     //                                                                        Assist Logic
     //                                                                        ============
-    protected void loadOverlappingHost(final OverlappingHostEditForm form) {
-        copyBeanToBean(getOverlappingHost(form), form, op -> op.exclude("crudMode"));
-    }
-
-    protected OverlappingHost getOverlappingHost(final OverlappingHostEditForm form) {
-        final OverlappingHost overlappingHost = overlappingHostService.getOverlappingHost(createKeyMap(form));
-        if (overlappingHost == null) {
-            throwValidationError(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, form.id), toEditHtml());
-        }
-        return overlappingHost;
-    }
-
-    protected OverlappingHost createOverlappingHost(final OverlappingHostEditForm form) {
-        OverlappingHost overlappingHost;
+    protected OptionalEntity<OverlappingHost> createOverlappingHost(final CreateForm form) {
         final String username = systemHelper.getUsername();
         final long currentTime = systemHelper.getCurrentTimeAsLong();
-        if (form.crudMode == CrudMode.EDIT) {
-            overlappingHost = getOverlappingHost(form);
-        } else {
-            overlappingHost = new OverlappingHost();
-            overlappingHost.setCreatedBy(username);
-            overlappingHost.setCreatedTime(currentTime);
+        switch (form.crudMode) {
+        case CrudMode.CREATE:
+            if (form instanceof CreateForm) {
+                final OverlappingHost entity = new OverlappingHost();
+                entity.setCreatedBy(username);
+                entity.setCreatedTime(currentTime);
+                entity.setUpdatedBy(username);
+                entity.setUpdatedTime(currentTime);
+                return OptionalEntity.of(entity);
+            }
+            break;
+        case CrudMode.EDIT:
+            if (form instanceof EditForm) {
+                return overlappingHostService.getOverlappingHost(((EditForm) form).id).map(entity -> {
+                    entity.setUpdatedBy(username);
+                    entity.setUpdatedTime(currentTime);
+                    return entity;
+                });
+            }
+            break;
+        default:
+            break;
         }
-        overlappingHost.setUpdatedBy(username);
-        overlappingHost.setUpdatedTime(currentTime);
-        copyBeanToBean(form, overlappingHost, op -> op.exclude(Constants.COMMON_CONVERSION_RULE));
-        return overlappingHost;
-    }
-
-    protected Map<String, String> createKeyMap(final OverlappingHostEditForm form) {
-        final Map<String, String> keys = new HashMap<String, String>();
-        keys.put("id", form.id);
-        return keys;
+        return OptionalEntity.empty();
     }
 
     // ===================================================================================
     //                                                                        Small Helper
     //                                                                        ============
-    protected void verifyCrudMode(final OverlappingHostEditForm form, final int expectedMode) {
-        if (form.crudMode != expectedMode) {
+    protected void verifyCrudMode(final int crudMode, final int expectedMode) {
+        if (crudMode != expectedMode) {
             throwValidationError(messages -> {
-                messages.addErrorsCrudInvalidMode(GLOBAL, String.valueOf(expectedMode), String.valueOf(form.crudMode));
+                messages.addErrorsCrudInvalidMode(GLOBAL, String.valueOf(expectedMode), String.valueOf(crudMode));
             }, toEditHtml());
         }
     }
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/overlappinghost/CreateForm.java b/src/main/java/org/codelibs/fess/app/web/admin/overlappinghost/CreateForm.java
new file mode 100644
index 000000000..f3e138b11
--- /dev/null
+++ b/src/main/java/org/codelibs/fess/app/web/admin/overlappinghost/CreateForm.java
@@ -0,0 +1,65 @@
+/*
+ * Copyright 2009-2015 the CodeLibs Project and the Others.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
+ * either express or implied. See the License for the specific language
+ * governing permissions and limitations under the License.
+ */
+
+package org.codelibs.fess.app.web.admin.overlappinghost;
+
+import java.io.Serializable;
+
+import javax.validation.constraints.Max;
+import javax.validation.constraints.Min;
+import javax.validation.constraints.Size;
+
+import org.codelibs.fess.app.web.CrudMode;
+import org.codelibs.fess.util.ComponentUtil;
+import org.lastaflute.web.validation.Required;
+
+/**
+ * @author codelibs
+ * @author Keiichi Watanabe
+ */
+public class CreateForm implements Serializable {
+
+    private static final long serialVersionUID = 1L;
+
+    public Integer crudMode;
+
+    @Required
+    @Size(max = 1000)
+    public String regularName;
+
+    @Required
+    @Size(max = 1000)
+    public String overlappingName;
+
+    @Required
+    @Min(value = 0)
+    @Max(value = 2147483647)
+    public Integer sortOrder;
+
+    @Required
+    @Size(max = 1000)
+    public String createdBy;
+
+    @Required
+    public Long createdTime;
+
+    public void initialize() {
+        crudMode = CrudMode.CREATE;
+        sortOrder = 0;
+        createdBy = ComponentUtil.getSystemHelper().getUsername();
+        createdTime = ComponentUtil.getSystemHelper().getCurrentTimeAsLong();
+    }
+}
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/overlappinghost/EditForm.java b/src/main/java/org/codelibs/fess/app/web/admin/overlappinghost/EditForm.java
new file mode 100644
index 000000000..e4a651ae2
--- /dev/null
+++ b/src/main/java/org/codelibs/fess/app/web/admin/overlappinghost/EditForm.java
@@ -0,0 +1,42 @@
+/*
+ * Copyright 2009-2015 the CodeLibs Project and the Others.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
+ * either express or implied. See the License for the specific language
+ * governing permissions and limitations under the License.
+ */
+
+package org.codelibs.fess.app.web.admin.overlappinghost;
+
+import javax.validation.constraints.Size;
+
+import org.lastaflute.web.validation.Required;
+
+/**
+ * @author Keiichi Watanabe
+ */
+public class EditForm extends CreateForm {
+
+    private static final long serialVersionUID = 1L;
+
+    @Required
+    @Size(max = 1000)
+    public String id;
+
+    @Size(max = 1000)
+    public String updatedBy;
+
+    public Long updatedTime;
+
+    @Required
+    public Integer versionNo;
+
+}
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/overlappinghost/OverlappingHostEditForm.java b/src/main/java/org/codelibs/fess/app/web/admin/overlappinghost/OverlappingHostEditForm.java
deleted file mode 100644
index edacf072b..000000000
--- a/src/main/java/org/codelibs/fess/app/web/admin/overlappinghost/OverlappingHostEditForm.java
+++ /dev/null
@@ -1,80 +0,0 @@
-/*
- * Copyright 2009-2015 the CodeLibs Project and the Others.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
- * either express or implied. See the License for the specific language
- * governing permissions and limitations under the License.
- */
-
-package org.codelibs.fess.app.web.admin.overlappinghost;
-
-import java.io.Serializable;
-
-import org.codelibs.fess.util.ComponentUtil;
-
-/**
- * @author codelibs
- * @author Keiichi Watanabe
- */
-public class OverlappingHostEditForm implements Serializable {
-
-    private static final long serialVersionUID = 1L;
-
-    //@IntegerType
-    public int crudMode;
-
-    //@Required(target = "confirmfromupdate,update,delete")
-    //@Maxbytelength(maxbytelength = 1000)
-    public String id;
-
-    //@Required(target = "confirmfromcreate,create,confirmfromupdate,update,delete")
-    //@Maxbytelength(maxbytelength = 1000)
-    public String regularName;
-
-    //@Required(target = "confirmfromcreate,create,confirmfromupdate,update,delete")
-    //@Maxbytelength(maxbytelength = 1000)
-    public String overlappingName;
-
-    //@Required(target = "confirmfromupdate,update,delete")
-    //@IntRange(min = 0, max = 2147483647)
-    public String sortOrder;
-
-    //@Required(target = "confirmfromupdate,update,delete")
-    //@Maxbytelength(maxbytelength = 255)
-    public String createdBy;
-
-    //@Required(target = "confirmfromupdate,update,delete")
-    //@LongType
-    public String createdTime;
-
-    //@Maxbytelength(maxbytelength = 255)
-    public String updatedBy;
-
-    //@LongType
-    public String updatedTime;
-
-    //@Required(target = "confirmfromupdate,update,delete")
-    //@IntegerType
-    public String versionNo;
-
-    public void initialize() {
-        id = null;
-        regularName = null;
-        overlappingName = null;
-        sortOrder = null;
-        createdBy = "system";
-        createdTime = Long.toString(ComponentUtil.getSystemHelper().getCurrentTimeAsLong());
-        updatedBy = null;
-        updatedTime = null;
-        versionNo = null;
-        sortOrder = "0";
-    }
-}
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/overlappinghost/OverlappingHostSearchForm.java b/src/main/java/org/codelibs/fess/app/web/admin/overlappinghost/SearchForm.java
similarity index 81%
rename from src/main/java/org/codelibs/fess/app/web/admin/overlappinghost/OverlappingHostSearchForm.java
rename to src/main/java/org/codelibs/fess/app/web/admin/overlappinghost/SearchForm.java
index d9eaf267b..4969f4f55 100644
--- a/src/main/java/org/codelibs/fess/app/web/admin/overlappinghost/OverlappingHostSearchForm.java
+++ b/src/main/java/org/codelibs/fess/app/web/admin/overlappinghost/SearchForm.java
@@ -17,16 +17,14 @@
 package org.codelibs.fess.app.web.admin.overlappinghost;
 
 import java.io.Serializable;
-import java.util.HashMap;
-import java.util.Map;
 
 /**
  * @author codelibs
  * @author Keiichi Watanabe
  */
-public class OverlappingHostSearchForm implements Serializable {
+public class SearchForm implements Serializable {
 
     private static final long serialVersionUID = 1L;
 
-    public Map<String, String> searchParams = new HashMap<String, String>();
+    public String id;
 }
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/roletype/AdminRoletypeAction.java b/src/main/java/org/codelibs/fess/app/web/admin/roletype/AdminRoletypeAction.java
index 150c1e213..1878dfec1 100644
--- a/src/main/java/org/codelibs/fess/app/web/admin/roletype/AdminRoletypeAction.java
+++ b/src/main/java/org/codelibs/fess/app/web/admin/roletype/AdminRoletypeAction.java
@@ -16,9 +16,6 @@
 
 package org.codelibs.fess.app.web.admin.roletype;
 
-import java.util.HashMap;
-import java.util.Map;
-
 import javax.annotation.Resource;
 
 import org.codelibs.fess.Constants;
@@ -29,6 +26,7 @@ import org.codelibs.fess.app.web.CrudMode;
 import org.codelibs.fess.app.web.base.FessAdminAction;
 import org.codelibs.fess.es.exentity.RoleType;
 import org.codelibs.fess.helper.SystemHelper;
+import org.dbflute.optional.OptionalEntity;
 import org.lastaflute.web.Execute;
 import org.lastaflute.web.callback.ActionRuntime;
 import org.lastaflute.web.response.HtmlResponse;
@@ -64,14 +62,14 @@ public class AdminRoletypeAction extends FessAdminAction {
     //                                                                      Search Execute
     //                                                                      ==============
     @Execute
-    public HtmlResponse index(final RoleTypeSearchForm form) {
+    public HtmlResponse index(final SearchForm form) {
         return asHtml(path_AdminRoletype_IndexJsp).renderWith(data -> {
             searchPaging(data, form);
         });
     }
 
     @Execute
-    public HtmlResponse list(final Integer pageNumber, final RoleTypeSearchForm form) {
+    public HtmlResponse list(final Integer pageNumber, final SearchForm form) {
         roleTypePager.setCurrentPageNumber(pageNumber);
         return asHtml(path_AdminRoletype_IndexJsp).renderWith(data -> {
             searchPaging(data, form);
@@ -79,15 +77,15 @@ public class AdminRoletypeAction extends FessAdminAction {
     }
 
     @Execute
-    public HtmlResponse search(final RoleTypeSearchForm form) {
-        copyBeanToBean(form.searchParams, roleTypePager, op -> op.exclude(Constants.PAGER_CONVERSION_RULE));
+    public HtmlResponse search(final SearchForm form) {
+        copyBeanToBean(form, roleTypePager, op -> op.exclude(Constants.PAGER_CONVERSION_RULE));
         return asHtml(path_AdminRoletype_IndexJsp).renderWith(data -> {
             searchPaging(data, form);
         });
     }
 
     @Execute
-    public HtmlResponse reset(final RoleTypeSearchForm form) {
+    public HtmlResponse reset(final SearchForm form) {
         roleTypePager.clear();
         return asHtml(path_AdminRoletype_IndexJsp).renderWith(data -> {
             searchPaging(data, form);
@@ -95,17 +93,17 @@ public class AdminRoletypeAction extends FessAdminAction {
     }
 
     @Execute
-    public HtmlResponse back(final RoleTypeSearchForm form) {
+    public HtmlResponse back(final SearchForm form) {
         return asHtml(path_AdminRoletype_IndexJsp).renderWith(data -> {
             searchPaging(data, form);
         });
     }
 
-    protected void searchPaging(final RenderData data, final RoleTypeSearchForm form) {
+    protected void searchPaging(final RenderData data, final SearchForm form) {
         data.register("roleTypeItems", roleTypeService.getRoleTypeList(roleTypePager)); // page navi
 
         // restore from pager
-        copyBeanToBean(roleTypePager, form.searchParams, op -> op.exclude(Constants.PAGER_CONVERSION_RULE));
+        copyBeanToBean(roleTypePager, form, op -> op.include("id"));
     }
 
     // ===================================================================================
@@ -116,50 +114,92 @@ public class AdminRoletypeAction extends FessAdminAction {
     //                                            ----------
     @Token(save = true, validate = false)
     @Execute
-    public HtmlResponse createpage(final RoleTypeEditForm form) {
-        form.crudMode = CrudMode.CREATE;
+    public HtmlResponse createpage() {
+        return asHtml(path_AdminRoletype_EditJsp).useForm(CreateForm.class, op -> {
+            op.setup(form -> {
+                form.initialize();
+                form.crudMode = CrudMode.CREATE;
+            });
+        });
+    }
+
+    @Token(save = true, validate = false)
+    @Execute
+    public HtmlResponse editpage(final int crudMode, final String id) {
+        verifyCrudMode(crudMode, CrudMode.EDIT);
+        return asHtml(path_AdminRoletype_EditJsp).useForm(EditForm.class, op -> {
+            op.setup(form -> {
+                roleTypeService.getRoleType(id).ifPresent(entity -> {
+                    copyBeanToBean(entity, form, copyOp -> {
+                        copyOp.excludeNull();
+                    });
+                }).orElse(() -> {
+                    throwValidationError(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, id), toEditHtml());
+                });
+                form.crudMode = crudMode;
+            });
+        });
+    }
+
+    @Token(save = true, validate = false)
+    @Execute
+    public HtmlResponse createagain(final CreateForm form) {
+        verifyCrudMode(form.crudMode, CrudMode.CREATE);
+        validate(form, messages -> {}, toEditHtml());
         return asHtml(path_AdminRoletype_EditJsp);
     }
 
     @Token(save = true, validate = false)
     @Execute
-    public HtmlResponse editpage(final int crudMode, final String id, final RoleTypeEditForm form) {
-        form.crudMode = crudMode;
-        form.id = id;
-        verifyCrudMode(form, CrudMode.EDIT);
-        loadRoleType(form);
+    public HtmlResponse editagain(final EditForm form) {
+        verifyCrudMode(form.crudMode, CrudMode.EDIT);
+        validate(form, messages -> {}, toEditHtml());
         return asHtml(path_AdminRoletype_EditJsp);
     }
 
     @Token(save = true, validate = false)
     @Execute
-    public HtmlResponse editagain(final RoleTypeEditForm form) {
-        return asHtml(path_AdminRoletype_EditJsp);
-    }
-
-    @Token(save = true, validate = false)
-    @Execute
-    public HtmlResponse editfromconfirm(final RoleTypeEditForm form) {
+    public HtmlResponse editfromconfirm(final EditForm form) {
+        validate(form, messages -> {}, toEditHtml());
         form.crudMode = CrudMode.EDIT;
-        loadRoleType(form);
+        final String id = form.id;
+        roleTypeService.getRoleType(id).ifPresent(entity -> {
+            copyBeanToBean(entity, form, op -> {});
+        }).orElse(() -> {
+            throwValidationError(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, id), toEditHtml());
+        });
         return asHtml(path_AdminRoletype_EditJsp);
     }
 
     @Token(save = true, validate = false)
     @Execute
-    public HtmlResponse deletepage(final int crudMode, final String id, final RoleTypeEditForm form) {
-        form.crudMode = crudMode;
-        form.id = id;
-        verifyCrudMode(form, CrudMode.DELETE);
-        loadRoleType(form);
-        return asHtml(path_AdminRoletype_ConfirmJsp);
+    public HtmlResponse deletepage(final int crudMode, final String id) {
+        verifyCrudMode(crudMode, CrudMode.DELETE);
+        return asHtml(path_AdminRoletype_ConfirmJsp).useForm(EditForm.class, op -> {
+            op.setup(form -> {
+                roleTypeService.getRoleType(id).ifPresent(entity -> {
+                    copyBeanToBean(entity, form, copyOp -> {
+                        copyOp.excludeNull();
+                    });
+                }).orElse(() -> {
+                    throwValidationError(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, id), toEditHtml());
+                });
+                form.crudMode = crudMode;
+            });
+        });
     }
 
     @Token(save = true, validate = false)
     @Execute
-    public HtmlResponse deletefromconfirm(final RoleTypeEditForm form) {
+    public HtmlResponse deletefromconfirm(final EditForm form) {
+        validate(form, messages -> {}, toEditHtml());
         form.crudMode = CrudMode.DELETE;
-        loadRoleType(form);
+        final String id = form.id;
+        roleTypeService.getRoleType(id).ifPresent(entity -> {
+            copyBeanToBean(entity, form, op -> {});
+        }).orElse(() -> {
+            throwValidationError(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, id), toEditHtml());
+        });
         return asHtml(path_AdminRoletype_ConfirmJsp);
     }
 
@@ -167,25 +207,35 @@ public class AdminRoletypeAction extends FessAdminAction {
     //                                               Confirm
     //                                               -------
     @Execute
-    public HtmlResponse confirmpage(final int crudMode, final String id, final RoleTypeEditForm form) {
-        form.crudMode = crudMode;
-        form.id = id;
-        verifyCrudMode(form, CrudMode.CONFIRM);
-        loadRoleType(form);
+    public HtmlResponse confirmpage(final int crudMode, final String id) {
+        verifyCrudMode(crudMode, CrudMode.CONFIRM);
+        return asHtml(path_AdminRoletype_ConfirmJsp).useForm(EditForm.class, op -> {
+            op.setup(form -> {
+                roleTypeService.getRoleType(id).ifPresent(entity -> {
+                    copyBeanToBean(entity, form, copyOp -> {
+                        copyOp.excludeNull();
+                    });
+                    form.crudMode = crudMode;
+                }).orElse(() -> {
+                    throwValidationError(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, id), toEditHtml());
+                });
+            });
+        });
+    }
+
+    @Token(save = false, validate = true, keep = true)
+    @Execute
+    public HtmlResponse confirmfromcreate(final CreateForm form) {
+        validate(form, messages -> {}, toEditHtml());
+        form.crudMode = CrudMode.CREATE;
         return asHtml(path_AdminRoletype_ConfirmJsp);
     }
 
     @Token(save = false, validate = true, keep = true)
     @Execute
-    public HtmlResponse confirmfromcreate(final RoleTypeEditForm form) {
-        validate(form, messages -> {}, toEditHtml());
-        return asHtml(path_AdminRoletype_ConfirmJsp);
-    }
-
-    @Token(save = false, validate = true, keep = true)
-    @Execute
-    public HtmlResponse confirmfromupdate(final RoleTypeEditForm form) {
+    public HtmlResponse confirmfromupdate(final EditForm form) {
         validate(form, messages -> {}, toEditHtml());
+        form.crudMode = CrudMode.EDIT;
         return asHtml(path_AdminRoletype_ConfirmJsp);
     }
 
@@ -194,75 +244,87 @@ public class AdminRoletypeAction extends FessAdminAction {
     //                                         -------------
     @Token(save = false, validate = true)
     @Execute
-    public HtmlResponse create(final RoleTypeEditForm form) {
+    public HtmlResponse create(final CreateForm form) {
+        verifyCrudMode(form.crudMode, CrudMode.CREATE);
         validate(form, messages -> {}, toEditHtml());
-        roleTypeService.store(createRoleType(form));
-        saveInfo(messages -> messages.addSuccessCrudCreateCrudTable(GLOBAL));
+        createRoleType(form).ifPresent(entity -> {
+            copyBeanToBean(form, entity, op -> op.exclude(Constants.COMMON_CONVERSION_RULE));
+            roleTypeService.store(entity);
+            saveInfo(messages -> messages.addSuccessCrudCreateCrudTable(GLOBAL));
+        }).orElse(() -> {
+            throwValidationError(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL), toEditHtml());
+        });
         return redirect(getClass());
     }
 
     @Token(save = false, validate = true)
     @Execute
-    public HtmlResponse update(final RoleTypeEditForm form) {
+    public HtmlResponse update(final EditForm form) {
+        verifyCrudMode(form.crudMode, CrudMode.EDIT);
         validate(form, messages -> {}, toEditHtml());
-        roleTypeService.store(createRoleType(form));
-        saveInfo(messages -> messages.addSuccessCrudUpdateCrudTable(GLOBAL));
+        createRoleType(form).ifPresent(entity -> {
+            copyBeanToBean(form, entity, op -> op.exclude(Constants.COMMON_CONVERSION_RULE));
+            roleTypeService.store(entity);
+            saveInfo(messages -> messages.addSuccessCrudUpdateCrudTable(GLOBAL));
+        }).orElse(() -> {
+            throwValidationError(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, form.id), toEditHtml());
+        });
         return redirect(getClass());
     }
 
     @Execute
-    public HtmlResponse delete(final RoleTypeEditForm form) {
-        verifyCrudMode(form, CrudMode.DELETE);
-        roleTypeService.delete(getRoleType(form));
-        saveInfo(messages -> messages.addSuccessCrudDeleteCrudTable(GLOBAL));
+    public HtmlResponse delete(final EditForm form) {
+        verifyCrudMode(form.crudMode, CrudMode.DELETE);
+        validate(form, messages -> {}, toEditHtml());
+        final String id = form.id;
+        roleTypeService.getRoleType(id).ifPresent(entity -> {
+            roleTypeService.delete(entity);
+            saveInfo(messages -> messages.addSuccessCrudDeleteCrudTable(GLOBAL));
+        }).orElse(() -> {
+            throwValidationError(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, id), toEditHtml());
+        });
         return redirect(getClass());
     }
 
     // ===================================================================================
     //                                                                        Assist Logic
     //                                                                        ============
-    protected void loadRoleType(final RoleTypeEditForm form) {
-        copyBeanToBean(getRoleType(form), form, op -> op.exclude("crudMode"));
-    }
-
-    protected RoleType getRoleType(final RoleTypeEditForm form) {
-        final RoleType roleType = roleTypeService.getRoleType(createKeyMap(form));
-        if (roleType == null) {
-            throwValidationError(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, form.id), toEditHtml());
-        }
-        return roleType;
-    }
-
-    protected RoleType createRoleType(final RoleTypeEditForm form) {
-        RoleType roleType;
+    protected OptionalEntity<RoleType> createRoleType(final CreateForm form) {
         final String username = systemHelper.getUsername();
         final long currentTime = systemHelper.getCurrentTimeAsLong();
-        if (form.crudMode == CrudMode.EDIT) {
-            roleType = getRoleType(form);
-        } else {
-            roleType = new RoleType();
-            roleType.setCreatedBy(username);
-            roleType.setCreatedTime(currentTime);
+        switch (form.crudMode) {
+        case CrudMode.CREATE:
+            if (form instanceof CreateForm) {
+                final RoleType entity = new RoleType();
+                entity.setCreatedBy(username);
+                entity.setCreatedTime(currentTime);
+                entity.setUpdatedBy(username);
+                entity.setUpdatedTime(currentTime);
+                return OptionalEntity.of(entity);
+            }
+            break;
+        case CrudMode.EDIT:
+            if (form instanceof EditForm) {
+                return roleTypeService.getRoleType(((EditForm) form).id).map(entity -> {
+                    entity.setUpdatedBy(username);
+                    entity.setUpdatedTime(currentTime);
+                    return entity;
+                });
+            }
+            break;
+        default:
+            break;
         }
-        roleType.setUpdatedBy(username);
-        roleType.setUpdatedTime(currentTime);
-        copyBeanToBean(form, roleType, op -> op.exclude(Constants.COMMON_CONVERSION_RULE));
-        return roleType;
-    }
-
-    protected Map<String, String> createKeyMap(final RoleTypeEditForm form) {
-        final Map<String, String> keys = new HashMap<String, String>();
-        keys.put("id", form.id);
-        return keys;
+        return OptionalEntity.empty();
     }
 
     // ===================================================================================
     //                                                                        Small Helper
     //                                                                        ============
-    protected void verifyCrudMode(final RoleTypeEditForm form, final int expectedMode) {
-        if (form.crudMode != expectedMode) {
+    protected void verifyCrudMode(final int crudMode, final int expectedMode) {
+        if (crudMode != expectedMode) {
             throwValidationError(messages -> {
-                messages.addErrorsCrudInvalidMode(GLOBAL, String.valueOf(expectedMode), String.valueOf(form.crudMode));
+                messages.addErrorsCrudInvalidMode(GLOBAL, String.valueOf(expectedMode), String.valueOf(crudMode));
             }, toEditHtml());
         }
     }
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/roletype/CreateForm.java b/src/main/java/org/codelibs/fess/app/web/admin/roletype/CreateForm.java
new file mode 100644
index 000000000..8f22b716f
--- /dev/null
+++ b/src/main/java/org/codelibs/fess/app/web/admin/roletype/CreateForm.java
@@ -0,0 +1,67 @@
+/*
+ * Copyright 2009-2015 the CodeLibs Project and the Others.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
+ * either express or implied. See the License for the specific language
+ * governing permissions and limitations under the License.
+ */
+
+package org.codelibs.fess.app.web.admin.roletype;
+
+import java.io.Serializable;
+
+import javax.validation.constraints.Max;
+import javax.validation.constraints.Min;
+import javax.validation.constraints.Pattern;
+import javax.validation.constraints.Size;
+
+import org.codelibs.fess.app.web.CrudMode;
+import org.codelibs.fess.util.ComponentUtil;
+import org.lastaflute.web.validation.Required;
+
+/**
+ * @author codelibs
+ * @author Keiichi Watanabe
+ */
+public class CreateForm implements Serializable {
+
+    private static final long serialVersionUID = 1L;
+
+    public Integer crudMode;
+
+    @Required
+    @Size(max = 100)
+    public String name;
+
+    @Required
+    @Size(max = 20)
+    @Pattern(regexp = "^[a-zA-Z0-9_-| ]+$")
+    public String value;
+
+    @Required
+    @Min(value = 0)
+    @Max(value = 2147483647)
+    public Integer sortOrder;
+
+    @Required
+    @Size(max = 1000)
+    public String createdBy;
+
+    @Required
+    public Long createdTime;
+
+    public void initialize() {
+        crudMode = CrudMode.CREATE;
+        sortOrder = 0;
+        createdBy = ComponentUtil.getSystemHelper().getUsername();
+        createdTime = ComponentUtil.getSystemHelper().getCurrentTimeAsLong();
+    }
+}
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/roletype/EditForm.java b/src/main/java/org/codelibs/fess/app/web/admin/roletype/EditForm.java
new file mode 100644
index 000000000..7d229514f
--- /dev/null
+++ b/src/main/java/org/codelibs/fess/app/web/admin/roletype/EditForm.java
@@ -0,0 +1,42 @@
+/*
+ * Copyright 2009-2015 the CodeLibs Project and the Others.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
+ * either express or implied. See the License for the specific language
+ * governing permissions and limitations under the License.
+ */
+
+package org.codelibs.fess.app.web.admin.roletype;
+
+import javax.validation.constraints.Size;
+
+import org.lastaflute.web.validation.Required;
+
+/**
+ * @author Keiichi Watanabe
+ */
+public class EditForm extends CreateForm {
+
+    private static final long serialVersionUID = 1L;
+
+    @Required
+    @Size(max = 1000)
+    public String id;
+
+    @Size(max = 1000)
+    public String updatedBy;
+
+    public Long updatedTime;
+
+    @Required
+    public Integer versionNo;
+
+}
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/roletype/RoleTypeEditForm.java b/src/main/java/org/codelibs/fess/app/web/admin/roletype/RoleTypeEditForm.java
deleted file mode 100644
index 96a5b5283..000000000
--- a/src/main/java/org/codelibs/fess/app/web/admin/roletype/RoleTypeEditForm.java
+++ /dev/null
@@ -1,81 +0,0 @@
-/*
- * Copyright 2009-2015 the CodeLibs Project and the Others.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
- * either express or implied. See the License for the specific language
- * governing permissions and limitations under the License.
- */
-
-package org.codelibs.fess.app.web.admin.roletype;
-
-import java.io.Serializable;
-
-import org.codelibs.fess.util.ComponentUtil;
-
-/**
- * @author codelibs
- * @author Keiichi Watanabe
- */
-public class RoleTypeEditForm implements Serializable {
-
-    private static final long serialVersionUID = 1L;
-
-    //@IntegerType
-    public int crudMode;
-
-    //@Required(target = "confirmfromupdate,update,delete")
-    //@Maxbytelength(maxbytelength = 1000)
-    public String id;
-
-    //@Required(target = "confirmfromcreate,create,confirmfromupdate,update,delete")
-    //@Maxbytelength(maxbytelength = 100)
-    public String name;
-
-    //@Required(target = "confirmfromcreate,create,confirmfromupdate,update,delete")
-    //@Maxbytelength(maxbytelength = 20)
-    //@Mask(mask = "^[a-zA-Z0-9_-| ]+$", msg = @Msg(key = "errors.alphaDigitSpaceOnly"))
-    public String value;
-
-    //@Required(target = "confirmfromupdate,update,delete")
-    //@IntRange(min = 0, max = 2147483647)
-    public String sortOrder;
-
-    //@Required(target = "confirmfromupdate,update,delete")
-    //@Maxbytelength(maxbytelength = 255)
-    public String createdBy;
-
-    //@Required(target = "confirmfromupdate,update,delete")
-    //@LongType
-    public String createdTime;
-
-    //@Maxbytelength(maxbytelength = 255)
-    public String updatedBy;
-
-    //@LongType
-    public String updatedTime;
-
-    //@Required(target = "confirmfromupdate,update,delete")
-    //@IntegerType
-    public String versionNo;
-
-    public void initialize() {
-        id = null;
-        name = null;
-        value = null;
-        sortOrder = null;
-        createdBy = "system";
-        createdTime = Long.toString(ComponentUtil.getSystemHelper().getCurrentTimeAsLong());
-        updatedBy = null;
-        updatedTime = null;
-        versionNo = null;
-        sortOrder = "0";
-    }
-}
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/roletype/RoleTypeSearchForm.java b/src/main/java/org/codelibs/fess/app/web/admin/roletype/SearchForm.java
similarity index 81%
rename from src/main/java/org/codelibs/fess/app/web/admin/roletype/RoleTypeSearchForm.java
rename to src/main/java/org/codelibs/fess/app/web/admin/roletype/SearchForm.java
index 69f9adeec..220e38c18 100644
--- a/src/main/java/org/codelibs/fess/app/web/admin/roletype/RoleTypeSearchForm.java
+++ b/src/main/java/org/codelibs/fess/app/web/admin/roletype/SearchForm.java
@@ -17,16 +17,15 @@
 package org.codelibs.fess.app.web.admin.roletype;
 
 import java.io.Serializable;
-import java.util.HashMap;
-import java.util.Map;
 
 /**
  * @author codelibs
  * @author Keiichi Watanabe
  */
-public class RoleTypeSearchForm implements Serializable {
+public class SearchForm implements Serializable {
 
     private static final long serialVersionUID = 1L;
 
-    public Map<String, String> searchParams = new HashMap<String, String>();
-}
+    public String id;
+
+}
\ No newline at end of file
diff --git a/src/main/webapp/WEB-INF/view/admin/labeltype/confirm.jsp b/src/main/webapp/WEB-INF/view/admin/labeltype/confirm.jsp
index b1ff40d0c..2f81ceefb 100644
--- a/src/main/webapp/WEB-INF/view/admin/labeltype/confirm.jsp
+++ b/src/main/webapp/WEB-INF/view/admin/labeltype/confirm.jsp
@@ -134,7 +134,7 @@
 								<%-- Box Footer --%>
 								<div class="box-footer">
 									<c:if test="${crudMode == 1}">
-										<input type="submit" class="btn" name="editagain" value="<la:message key="labels.labeltype_button_back"/>" />
+										<input type="submit" class="btn" name="createagain" value="<la:message key="labels.labeltype_button_back"/>" />
 										<input type="submit" class="btn btn-primary" name="create"
 											value="<la:message key="labels.labeltype_button_create"/>"
 										/>
diff --git a/src/main/webapp/WEB-INF/view/admin/overlappinghost/confirm.jsp b/src/main/webapp/WEB-INF/view/admin/overlappinghost/confirm.jsp
index 577f1f483..14b362fdd 100644
--- a/src/main/webapp/WEB-INF/view/admin/overlappinghost/confirm.jsp
+++ b/src/main/webapp/WEB-INF/view/admin/overlappinghost/confirm.jsp
@@ -106,7 +106,7 @@
 								<%-- Box Footer --%>
 								<div class="box-footer">
 									<c:if test="${crudMode == 1}">
-										<input type="submit" class="btn" name="editagain" value="<la:message key="labels.overlapping_host_button_back"/>" />
+										<input type="submit" class="btn" name="createagain" value="<la:message key="labels.overlapping_host_button_back"/>" />
 										<input type="submit" class="btn btn-primary" name="create"
 											value="<la:message key="labels.overlapping_host_button_create"/>"
 										/>
diff --git a/src/main/webapp/WEB-INF/view/admin/roletype/confirm.jsp b/src/main/webapp/WEB-INF/view/admin/roletype/confirm.jsp
index 6be32a200..825a5289d 100644
--- a/src/main/webapp/WEB-INF/view/admin/roletype/confirm.jsp
+++ b/src/main/webapp/WEB-INF/view/admin/roletype/confirm.jsp
@@ -106,7 +106,7 @@
 								<%-- Box Footer --%>
 								<div class="box-footer">
 									<c:if test="${crudMode == 1}">
-										<input type="submit" class="btn" name="editagain" value="<la:message key="labels.roletype_button_back"/>" />
+										<input type="submit" class="btn" name="createagain" value="<la:message key="labels.roletype_button_back"/>" />
 										<input type="submit" class="btn btn-primary" name="create"
 											value="<la:message key="labels.roletype_button_create"/>"
 										/>