diff --git a/src/main/java/org/codelibs/fess/app/service/RoleService.java b/src/main/java/org/codelibs/fess/app/service/RoleService.java
index f9af2a29d..3483749cf 100644
--- a/src/main/java/org/codelibs/fess/app/service/RoleService.java
+++ b/src/main/java/org/codelibs/fess/app/service/RoleService.java
@@ -28,6 +28,7 @@ import org.codelibs.fess.es.user.cbean.RoleCB;
 import org.codelibs.fess.es.user.exbhv.RoleBhv;
 import org.codelibs.fess.es.user.exentity.Role;
 import org.dbflute.cbean.result.PagingResultBean;
+import org.dbflute.optional.OptionalEntity;
 
 public class RoleService implements Serializable {
 
@@ -52,17 +53,8 @@ public class RoleService implements Serializable {
         return roleList;
     }
 
-    public Role getRole(final Map<String, String> keys) {
-        final Role role = roleBhv.selectEntity(cb -> {
-            cb.query().docMeta().setId_Equal(keys.get("id"));
-            setupEntityCondition(cb, keys);
-        }).orElse(null);//TODO
-        if (role == null) {
-            // TODO exception?
-            return null;
-        }
-
-        return role;
+    public OptionalEntity<Role> getRole(final String id) {
+        return roleBhv.selectByPK(id);
     }
 
     public void store(final Role role) {
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/role/AdminRoleAction.java b/src/main/java/org/codelibs/fess/app/web/admin/role/AdminRoleAction.java
index eedca6f87..9d9fd2d9c 100644
--- a/src/main/java/org/codelibs/fess/app/web/admin/role/AdminRoleAction.java
+++ b/src/main/java/org/codelibs/fess/app/web/admin/role/AdminRoleAction.java
@@ -16,8 +16,6 @@
 package org.codelibs.fess.app.web.admin.role;
 
 import java.util.Base64;
-import java.util.HashMap;
-import java.util.Map;
 
 import javax.annotation.Resource;
 
@@ -28,6 +26,7 @@ import org.codelibs.fess.app.web.CrudMode;
 import org.codelibs.fess.app.web.base.FessAdminAction;
 import org.codelibs.fess.es.user.exentity.Role;
 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;
@@ -37,6 +36,7 @@ import org.lastaflute.web.validation.VaErrorHook;
 
 /**
  * @author shinsuke
+ * @author Keiichi Watanabe
  */
 public class AdminRoleAction extends FessAdminAction {
 
@@ -63,14 +63,14 @@ public class AdminRoleAction extends FessAdminAction {
     //                                                                      Search Execute
     //                                                                      ==============
     @Execute
-    public HtmlResponse index(final RoleSearchForm form) {
+    public HtmlResponse index(final SearchForm form) {
         return asHtml(path_AdminRole_IndexJsp).renderWith(data -> {
             searchPaging(data, form);
         });
     }
 
     @Execute
-    public HtmlResponse list(final Integer pageNumber, final RoleSearchForm form) {
+    public HtmlResponse list(final Integer pageNumber, final SearchForm form) {
         rolePager.setCurrentPageNumber(pageNumber);
         return asHtml(path_AdminRole_IndexJsp).renderWith(data -> {
             searchPaging(data, form);
@@ -78,15 +78,15 @@ public class AdminRoleAction extends FessAdminAction {
     }
 
     @Execute
-    public HtmlResponse search(final RoleSearchForm form) {
-        copyBeanToBean(form.searchParams, rolePager, op -> op.exclude(Constants.PAGER_CONVERSION_RULE));
+    public HtmlResponse search(final SearchForm form) {
+        copyBeanToBean(form, rolePager, op -> op.exclude(Constants.PAGER_CONVERSION_RULE));
         return asHtml(path_AdminRole_IndexJsp).renderWith(data -> {
             searchPaging(data, form);
         });
     }
 
     @Execute
-    public HtmlResponse reset(final RoleSearchForm form) {
+    public HtmlResponse reset(final SearchForm form) {
         rolePager.clear();
         return asHtml(path_AdminRole_IndexJsp).renderWith(data -> {
             searchPaging(data, form);
@@ -94,17 +94,17 @@ public class AdminRoleAction extends FessAdminAction {
     }
 
     @Execute
-    public HtmlResponse back(final RoleSearchForm form) {
+    public HtmlResponse back(final SearchForm form) {
         return asHtml(path_AdminRole_IndexJsp).renderWith(data -> {
             searchPaging(data, form);
         });
     }
 
-    protected void searchPaging(final RenderData data, final RoleSearchForm form) {
+    protected void searchPaging(final RenderData data, final SearchForm form) {
         data.register("roleItems", roleService.getRoleList(rolePager)); // page navi
 
         // restore from pager
-        copyBeanToBean(rolePager, form.searchParams, op -> op.exclude(Constants.PAGER_CONVERSION_RULE));
+        copyBeanToBean(rolePager, form, op -> op.include("id"));
     }
 
     // ===================================================================================
@@ -114,46 +114,86 @@ public class AdminRoleAction extends FessAdminAction {
     //                                            Entry Page
     //                                            ----------
     @Execute(token = TxToken.SAVE)
-    public HtmlResponse createpage(final RoleEditForm form) {
-        form.initialize();
-        form.crudMode = CrudMode.CREATE;
+    public HtmlResponse createpage() {
+        return asHtml(path_AdminRole_EditJsp).useForm(CreateForm.class, op -> {
+            op.setup(form -> {
+                form.initialize();
+                form.crudMode = CrudMode.CREATE;
+            });
+        });
+    }
+
+    @Execute(token = TxToken.SAVE)
+    public HtmlResponse editpage(final int crudMode, final String id) {
+        verifyCrudMode(crudMode, CrudMode.EDIT);
+        return asHtml(path_AdminRole_EditJsp).useForm(EditForm.class, op -> {
+            op.setup(form -> {
+                roleService.getRole(id).ifPresent(entity -> {
+                    copyBeanToBean(entity, form, copyOp -> {
+                        copyOp.excludeNull();
+                    });
+                }).orElse(() -> {
+                    throwValidationError(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, id), toEditHtml());
+                });
+                form.crudMode = crudMode;
+            });
+        });
+    }
+
+    @Execute(token = TxToken.SAVE)
+    public HtmlResponse createagain(final CreateForm form) {
+        verifyCrudMode(form.crudMode, CrudMode.CREATE);
+        validate(form, messages -> {}, toEditHtml());
         return asHtml(path_AdminRole_EditJsp);
     }
 
     @Execute(token = TxToken.SAVE)
-    public HtmlResponse editpage(final int crudMode, final String id, final RoleEditForm form) {
-        form.crudMode = crudMode;
-        form.id = id;
-        verifyCrudMode(form, CrudMode.EDIT);
-        loadRole(form);
+    public HtmlResponse editagain(final EditForm form) {
+        verifyCrudMode(form.crudMode, CrudMode.EDIT);
+        validate(form, messages -> {}, toEditHtml());
         return asHtml(path_AdminRole_EditJsp);
     }
 
     @Execute(token = TxToken.SAVE)
-    public HtmlResponse editagain(final RoleEditForm form) {
-        return asHtml(path_AdminRole_EditJsp);
-    }
-
-    @Execute(token = TxToken.SAVE)
-    public HtmlResponse editfromconfirm(final RoleEditForm form) {
+    public HtmlResponse editfromconfirm(final EditForm form) {
+        validate(form, messages -> {}, toEditHtml());
         form.crudMode = CrudMode.EDIT;
-        loadRole(form);
+        final String id = form.id;
+        roleService.getRole(id).ifPresent(entity -> {
+            copyBeanToBean(entity, form, op -> {});
+        }).orElse(() -> {
+            throwValidationError(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, id), toEditHtml());
+        });
         return asHtml(path_AdminRole_EditJsp);
     }
 
     @Execute(token = TxToken.SAVE)
-    public HtmlResponse deletepage(final int crudMode, final String id, final RoleEditForm form) {
-        form.crudMode = crudMode;
-        form.id = id;
-        verifyCrudMode(form, CrudMode.DELETE);
-        loadRole(form);
-        return asHtml(path_AdminRole_ConfirmJsp);
+    public HtmlResponse deletepage(final int crudMode, final String id) {
+        verifyCrudMode(crudMode, CrudMode.DELETE);
+        return asHtml(path_AdminRole_ConfirmJsp).useForm(EditForm.class, op -> {
+            op.setup(form -> {
+                roleService.getRole(id).ifPresent(entity -> {
+                    copyBeanToBean(entity, form, copyOp -> {
+                        copyOp.excludeNull();
+                    });
+                }).orElse(() -> {
+                    throwValidationError(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, id), toEditHtml());
+                });
+                form.crudMode = crudMode;
+            });
+        });
     }
 
     @Execute(token = TxToken.SAVE)
-    public HtmlResponse deletefromconfirm(final RoleEditForm form) {
+    public HtmlResponse deletefromconfirm(final EditForm form) {
+        validate(form, messages -> {}, toEditHtml());
         form.crudMode = CrudMode.DELETE;
-        loadRole(form);
+        final String id = form.id;
+        roleService.getRole(id).ifPresent(entity -> {
+            copyBeanToBean(entity, form, op -> {});
+        }).orElse(() -> {
+            throwValidationError(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, id), toEditHtml());
+        });
         return asHtml(path_AdminRole_ConfirmJsp);
     }
 
@@ -161,23 +201,33 @@ public class AdminRoleAction extends FessAdminAction {
     //                                               Confirm
     //                                               -------
     @Execute
-    public HtmlResponse confirmpage(final int crudMode, final String id, final RoleEditForm form) {
-        form.crudMode = crudMode;
-        form.id = id;
-        verifyCrudMode(form, CrudMode.CONFIRM);
-        loadRole(form);
+    public HtmlResponse confirmpage(final int crudMode, final String id) {
+        verifyCrudMode(crudMode, CrudMode.CONFIRM);
+        return asHtml(path_AdminRole_ConfirmJsp).useForm(EditForm.class, op -> {
+            op.setup(form -> {
+                roleService.getRole(id).ifPresent(entity -> {
+                    copyBeanToBean(entity, form, copyOp -> {
+                        copyOp.excludeNull();
+                    });
+                    form.crudMode = crudMode;
+                }).orElse(() -> {
+                    throwValidationError(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, id), toEditHtml());
+                });
+            });
+        });
+    }
+
+    @Execute(token = TxToken.VALIDATE_KEEP)
+    public HtmlResponse confirmfromcreate(final CreateForm form) {
+        validate(form, messages -> {}, toEditHtml());
+        form.crudMode = CrudMode.CREATE;
         return asHtml(path_AdminRole_ConfirmJsp);
     }
 
     @Execute(token = TxToken.VALIDATE_KEEP)
-    public HtmlResponse confirmfromcreate(final RoleEditForm form) {
-        validate(form, messages -> {}, toEditHtml());
-        return asHtml(path_AdminRole_ConfirmJsp);
-    }
-
-    @Execute(token = TxToken.VALIDATE_KEEP)
-    public HtmlResponse confirmfromupdate(final RoleEditForm form) {
+    public HtmlResponse confirmfromupdate(final EditForm form) {
         validate(form, messages -> {}, toEditHtml());
+        form.crudMode = CrudMode.EDIT;
         return asHtml(path_AdminRole_ConfirmJsp);
     }
 
@@ -185,69 +235,80 @@ public class AdminRoleAction extends FessAdminAction {
     //                                         Actually Crud
     //                                         -------------
     @Execute(token = TxToken.VALIDATE)
-    public HtmlResponse create(final RoleEditForm form) {
+    public HtmlResponse create(final CreateForm form) {
+        verifyCrudMode(form.crudMode, CrudMode.CREATE);
         validate(form, messages -> {}, toEditHtml());
-        roleService.store(createRole(form));
-        saveInfo(messages -> messages.addSuccessCrudCreateCrudTable(GLOBAL));
+        createRole(form).ifPresent(entity -> {
+            copyBeanToBean(form, entity, op -> op.exclude(Constants.COMMON_CONVERSION_RULE));
+            entity.setId(Base64.getEncoder().encodeToString(entity.getName().getBytes(Constants.CHARSET_UTF_8)));
+            roleService.store(entity);
+            saveInfo(messages -> messages.addSuccessCrudCreateCrudTable(GLOBAL));
+        }).orElse(() -> {
+            throwValidationError(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL), toEditHtml());
+        });
         return redirect(getClass());
     }
 
     @Execute(token = TxToken.VALIDATE)
-    public HtmlResponse update(final RoleEditForm form) {
+    public HtmlResponse update(final EditForm form) {
+        verifyCrudMode(form.crudMode, CrudMode.EDIT);
         validate(form, messages -> {}, toEditHtml());
-        roleService.store(createRole(form));
-        saveInfo(messages -> messages.addSuccessCrudUpdateCrudTable(GLOBAL));
+        createRole(form).ifPresent(entity -> {
+            copyBeanToBean(form, entity, op -> op.exclude(Constants.COMMON_CONVERSION_RULE));
+            entity.setId(Base64.getEncoder().encodeToString(entity.getName().getBytes(Constants.CHARSET_UTF_8)));
+            roleService.store(entity);
+            saveInfo(messages -> messages.addSuccessCrudUpdateCrudTable(GLOBAL));
+        }).orElse(() -> {
+            throwValidationError(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, form.id), toEditHtml());
+        });
         return redirect(getClass());
     }
 
     @Execute
-    public HtmlResponse delete(final RoleEditForm form) {
-        verifyCrudMode(form, CrudMode.DELETE);
-        roleService.delete(getRole(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;
+        roleService.getRole(id).ifPresent(entity -> {
+            roleService.delete(entity);
+            saveInfo(messages -> messages.addSuccessCrudDeleteCrudTable(GLOBAL));
+        }).orElse(() -> {
+            throwValidationError(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, id), toEditHtml());
+        });
         return redirect(getClass());
     }
 
     // ===================================================================================
     //                                                                        Assist Logic
     //                                                                        ============
-    protected void loadRole(final RoleEditForm form) {
-        copyBeanToBean(getRole(form), form, op -> op.exclude("crudMode"));
-    }
-
-    protected Role getRole(final RoleEditForm form) {
-        final Role role = roleService.getRole(createKeyMap(form));
-        if (role == null) {
-            throwValidationError(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, form.id), toEditHtml());
+    protected OptionalEntity<Role> createRole(final CreateForm form) {
+        switch (form.crudMode) {
+        case CrudMode.CREATE:
+            if (form instanceof CreateForm) {
+                final Role entity = new Role();
+                return OptionalEntity.of(entity);
+            }
+            break;
+        case CrudMode.EDIT:
+            if (form instanceof EditForm) {
+                return roleService.getRole(((EditForm) form).id).map(entity -> {
+                    return entity;
+                });
+            }
+            break;
+        default:
+            break;
         }
-        return role;
-    }
-
-    protected Role createRole(final RoleEditForm form) {
-        Role role;
-        if (form.crudMode == CrudMode.EDIT) {
-            role = getRole(form);
-        } else {
-            role = new Role();
-        }
-        copyBeanToBean(form, role, op -> op.exclude(Constants.COMMON_CONVERSION_RULE));
-        role.setId(Base64.getEncoder().encodeToString(role.getName().getBytes(Constants.CHARSET_UTF_8)));
-        return role;
-    }
-
-    protected Map<String, String> createKeyMap(final RoleEditForm 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 RoleEditForm 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/role/RoleEditForm.java b/src/main/java/org/codelibs/fess/app/web/admin/role/CreateForm.java
similarity index 62%
rename from src/main/java/org/codelibs/fess/app/web/admin/role/RoleEditForm.java
rename to src/main/java/org/codelibs/fess/app/web/admin/role/CreateForm.java
index 16128d51e..88b905172 100644
--- a/src/main/java/org/codelibs/fess/app/web/admin/role/RoleEditForm.java
+++ b/src/main/java/org/codelibs/fess/app/web/admin/role/CreateForm.java
@@ -17,31 +17,26 @@ package org.codelibs.fess.app.web.admin.role;
 
 import java.io.Serializable;
 
+import javax.validation.constraints.Digits;
+import javax.validation.constraints.Size;
+
+import org.lastaflute.web.validation.Required;
+
 /**
  * @author shinsuke
+ * @author Keiichi Watanabe
  */
-public class RoleEditForm implements Serializable {
+public class CreateForm implements Serializable {
 
     private static final long serialVersionUID = 1L;
 
-    //@Digits(integer=10, fraction=0)
+    @Digits(integer = 10, fraction = 0)
     public int crudMode;
 
-    //@Required(target = "confirmfromupdate,update,delete")
-    //@Maxbytelength(maxbytelength = 1000)
-    public String id;
-
-    //@Required(target = "confirmfromcreate,create,confirmfromupdate,update,delete")
-    //@Maxbytelength(maxbytelength = 100)
+    @Required
+    @Size(max = 100)
     public String name;
 
-    //@Required(target = "confirmfromupdate,update,delete")
-    //@Digits(integer=10, fraction=0)
-    public String versionNo;
-
     public void initialize() {
-        id = null;
-        name = null;
-        versionNo = null;
     }
 }
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/role/EditForm.java b/src/main/java/org/codelibs/fess/app/web/admin/role/EditForm.java
new file mode 100644
index 000000000..5a288f055
--- /dev/null
+++ b/src/main/java/org/codelibs/fess/app/web/admin/role/EditForm.java
@@ -0,0 +1,44 @@
+/*
+ * Copyright 2012-2015 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.role;
+
+import javax.validation.constraints.Digits;
+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;
+
+    @Digits(integer = 19, fraction = 0)
+    public Long updatedTime;
+
+    @Required
+    @Digits(integer = 10, fraction = 0)
+    public Integer versionNo;
+
+}
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/role/RoleSearchForm.java b/src/main/java/org/codelibs/fess/app/web/admin/role/SearchForm.java
similarity index 81%
rename from src/main/java/org/codelibs/fess/app/web/admin/role/RoleSearchForm.java
rename to src/main/java/org/codelibs/fess/app/web/admin/role/SearchForm.java
index f81c87d79..2ca68b118 100644
--- a/src/main/java/org/codelibs/fess/app/web/admin/role/RoleSearchForm.java
+++ b/src/main/java/org/codelibs/fess/app/web/admin/role/SearchForm.java
@@ -16,15 +16,13 @@
 package org.codelibs.fess.app.web.admin.role;
 
 import java.io.Serializable;
-import java.util.HashMap;
-import java.util.Map;
 
 /**
  * @author shinsuke
  */
-public class RoleSearchForm 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;
 }