Cleanup and document

api/build.gradle

@@ -6,8 +6,6 @@ plugins {
 }
 
 apply from: "$rootDir/deps/java.gradle"
-apply from: "$rootDir/deps/commons.gradle"
-apply from: "$rootDir/deps/jackson.gradle"
 apply from: "$rootDir/deps/junit.gradle"
 apply from: 'publish.gradle'
 apply from: "$rootDir/deps/publish-base.gradle"

api/src/main/java/module-info.java

@@ -1,6 +1,6 @@
 module io.xpipe.api {
     requires transitive io.xpipe.core;
-    requires transitive io.xpipe.beacon;
+    requires io.xpipe.beacon;
 
     exports io.xpipe.api;
 }

beacon/build.gradle

@@ -6,8 +6,6 @@ plugins {
 }
 
 apply from: "$rootDir/deps/java.gradle"
-apply from: "$rootDir/deps/commons.gradle"
-apply from: "$rootDir/deps/slf4j.gradle"
 apply from: "$rootDir/deps/jackson.gradle"
 apply from: "$rootDir/deps/lombok.gradle"
 apply from: 'publish.gradle'

beacon/src/main/java/io/xpipe/beacon/BeaconClient.java

@@ -12,8 +12,6 @@ import io.xpipe.beacon.message.RequestMessage;
 import io.xpipe.beacon.message.ResponseMessage;
 import io.xpipe.beacon.message.ServerErrorMessage;
 import io.xpipe.core.util.JacksonHelper;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 
 import java.io.IOException;
 import java.io.InputStream;
@@ -27,8 +25,6 @@ import static io.xpipe.beacon.BeaconConfig.BODY_SEPARATOR;
 
 public class BeaconClient {
 
-    private static final Logger log = LoggerFactory.getLogger("beacon");
-
     @FunctionalInterface
     public interface FailableBiConsumer<T, U, E extends Throwable> {
 
@@ -127,7 +123,9 @@ public class BeaconClient {
         var msg = JsonNodeFactory.instance.objectNode();
         msg.set("xPipeMessage", json);
 
-        log.atTrace().addKeyValue("class", req.getClass().getSimpleName()).log("Sending request to server");
+        if (BeaconConfig.debugEnabled()) {
+            System.out.println("Sending request to server of type " + req.getClass().getSimpleName());
+        }
 
         try {
             var mapper = JacksonHelper.newMapper().disable(JsonGenerator.Feature.AUTO_CLOSE_TARGET);

beacon/src/main/java/module-info.java

@@ -4,13 +4,11 @@ module io.xpipe.beacon {
     exports io.xpipe.beacon;
     exports io.xpipe.beacon.exchange;
     exports io.xpipe.beacon.message;
-    requires org.slf4j;
 
     requires com.fasterxml.jackson.core;
     requires com.fasterxml.jackson.databind;
     requires com.fasterxml.jackson.module.paramnames;
-    requires io.xpipe.core;
-    requires io.xpipe.extension;
+    requires transitive io.xpipe.core;
 
     opens io.xpipe.beacon;
     opens io.xpipe.beacon.exchange;

core/build.gradle

@@ -6,7 +6,6 @@ plugins {
 }
 
 apply from: "$rootDir/deps/java.gradle"
-apply from: "$rootDir/deps/commons.gradle"
 apply from: "$rootDir/deps/jackson.gradle"
 apply from: "$rootDir/deps/lombok.gradle"
 apply from: 'publish.gradle'

core/src/main/java/io/xpipe/core/source/DataSourceConnection.java

@@ -1,6 +1,13 @@
 package io.xpipe.core.source;
 
+/**
+ * Represents any type of connection to a data source.
+ */
 public interface DataSourceConnection extends AutoCloseable {
 
+    /**
+     * Initializes this connection. Required to be called
+     * exactly once prior to attempting to use this connection.
+     */
     void init() throws Exception;
 }

core/src/main/java/io/xpipe/core/source/DataSourceDescriptor.java

@@ -4,13 +4,31 @@ import io.xpipe.core.store.DataStore;
 
 import java.util.Optional;
 
+/**
+ * Represents a formal description on what exactly makes up the
+ * actual data source and how to access/locate it for a given data store.
+ *
+ * This instance is only valid in combination with its associated data store instance.
+ */
 public interface DataSourceDescriptor<DS extends DataStore> {
 
+    /**
+     * Determines on optional default name for this data store that is
+     * used when determining a suitable default name for a data source.
+     */
     default Optional<String> determineDefaultName(DS store) {
         return Optional.empty();
     }
 
+    /**
+     * Determines the data source info.
+     * This is usually called only once on data source
+     * creation as this process might be expensive.
+     */
     DataSourceInfo determineInfo(DS store) throws Exception;
 
+    /**
+     * Returns the general data source type.
+     */
     DataSourceType getType();
 }

core/src/main/java/io/xpipe/core/source/DataSourceInfo.java

@@ -7,6 +7,15 @@ import io.xpipe.core.data.type.TupleType;
 import lombok.EqualsAndHashCode;
 import lombok.Value;
 
+/**
+ * A data source info instances contains all required
+ * essential information of a specific data source type.
+ *
+ * This information is usually determined only once on data
+ * source creation, as this process might be expensive.
+ *
+ * @see DataSourceType
+ */
 @JsonTypeInfo(use = JsonTypeInfo.Id.NAME, property = "type")
 public abstract class DataSourceInfo {
 
@@ -31,6 +40,9 @@ public abstract class DataSourceInfo {
         }
     }
 
+    /**
+     * Casts this instance to a table info.
+     */
     public Table asTable() {
         if (!getType().equals(DataSourceType.TABLE)) {
             throw new IllegalStateException("Not a table");

core/src/main/java/io/xpipe/core/source/DataSourceType.java

@@ -2,6 +2,10 @@ package io.xpipe.core.source;
 
 import com.fasterxml.jackson.annotation.JsonProperty;
 
+/**
+ * Represents the fundamental type of a data source.
+ * This distinction is necessary as the general workflow differs for each type.
+ */
 public enum DataSourceType {
 
     @JsonProperty("table")
@@ -10,6 +14,9 @@ public enum DataSourceType {
     @JsonProperty("structure")
     STRUCTURE,
 
+    @JsonProperty("text")
+    TEXT,
+
     @JsonProperty("raw")
     RAW
 }

core/src/main/java/io/xpipe/core/source/StructureDataReadConnection.java

@@ -1,5 +0,0 @@
-package io.xpipe.core.source;
-
-public interface StructureDataReadConnection extends DataSourceConnection {
-
-}

core/src/main/java/io/xpipe/core/source/StructureDataSourceDescriptor.java

@@ -1,8 +1,24 @@
 package io.xpipe.core.source;
 
-public abstract class StructureDataSourceDescriptor implements DataSourceDescriptor {
+import io.xpipe.core.store.DataStore;
 
-    public abstract DataSourceConnection openConnection() throws Exception;
+public abstract class StructureDataSourceDescriptor<DS extends DataStore> implements DataSourceDescriptor<DS> {
+
+    public final StructureReadConnection openReadConnection(DS store) throws Exception {
+        var con = newReadConnection(store);
+        con.init();
+        return con;
+    }
+
+    public final StructureWriteConnection openWriteConnection(DS store) throws Exception {
+        var con = newWriteConnection(store);
+        con.init();
+        return con;
+    }
+
+    protected abstract StructureWriteConnection newWriteConnection(DS store);
+
+    protected abstract StructureReadConnection newReadConnection(DS store);
 
     @Override
     public DataSourceType getType() {

core/src/main/java/io/xpipe/core/source/StructureReadConnection.java

@@ -0,0 +1,11 @@
+package io.xpipe.core.source;
+
+import io.xpipe.core.data.node.DataStructureNode;
+
+public interface StructureReadConnection extends DataSourceConnection {
+
+    /**
+     * Reads the complete contents.
+     */
+    DataStructureNode read() throws Exception;
+}

core/src/main/java/io/xpipe/core/source/StructureWriteConnection.java

@@ -0,0 +1,11 @@
+package io.xpipe.core.source;
+
+import io.xpipe.core.data.node.DataStructureNode;
+
+public interface StructureWriteConnection extends DataSourceConnection {
+
+    /**
+     * Writes the contents to the data source.
+     */
+    void write(DataStructureNode node) throws Exception;
+}

core/src/main/java/io/xpipe/core/source/TableDataReadConnection.java

@@ -1,22 +0,0 @@
-package io.xpipe.core.source;
-
-
-import io.xpipe.core.data.node.DataStructureNodeAcceptor;
-import io.xpipe.core.data.node.ArrayNode;
-import io.xpipe.core.data.node.TupleNode;
-import io.xpipe.core.data.type.TupleType;
-
-import java.io.OutputStream;
-
-public interface TableDataReadConnection extends DataSourceConnection {
-
-    TupleType getDataType() throws Exception;
-
-    int getRowCount() throws Exception;
-
-    void withLines(DataStructureNodeAcceptor<TupleNode> lineAcceptor) throws Exception;
-
-    ArrayNode readLines(int maxLines) throws Exception;
-
-    void forwardLines(OutputStream out, int maxLines) throws Exception;
-}

core/src/main/java/io/xpipe/core/source/TableDataSourceDescriptor.java

@@ -4,21 +4,21 @@ import io.xpipe.core.store.DataStore;
 
 public abstract class TableDataSourceDescriptor<DS extends DataStore> implements DataSourceDescriptor<DS> {
 
-    public final TableDataReadConnection openReadConnection(DS store) throws Exception {
+    public final TableReadConnection openReadConnection(DS store) throws Exception {
         var con = newReadConnection(store);
         con.init();
         return con;
     }
 
-    public final TableDataWriteConnection openWriteConnection(DS store) throws Exception {
+    public final TableWriteConnection openWriteConnection(DS store) throws Exception {
         var con = newWriteConnection(store);
         con.init();
         return con;
     }
 
-    protected abstract TableDataWriteConnection newWriteConnection(DS store);
+    protected abstract TableWriteConnection newWriteConnection(DS store);
 
-    protected abstract TableDataReadConnection newReadConnection(DS store);
+    protected abstract TableReadConnection newReadConnection(DS store);
 
     @Override
     public DataSourceType getType() {

core/src/main/java/io/xpipe/core/source/TableReadConnection.java

@@ -0,0 +1,50 @@
+package io.xpipe.core.source;
+
+
+import io.xpipe.core.data.node.DataStructureNodeAcceptor;
+import io.xpipe.core.data.node.ArrayNode;
+import io.xpipe.core.data.node.TupleNode;
+import io.xpipe.core.data.type.TupleType;
+import io.xpipe.core.data.typed.TypedDataStreamWriter;
+
+import java.io.OutputStream;
+import java.util.concurrent.atomic.AtomicInteger;
+
+/**
+ * A connection for sequentially reading the data of a table data source.
+ */
+public interface TableReadConnection extends DataSourceConnection {
+
+    /**
+     * Returns the data type of the table data.
+     */
+    TupleType getDataType() throws Exception;
+
+    /**
+     * Returns the amount of rows to be read or -1 if the amount is unknown.
+     */
+    int getRowCount() throws Exception;
+
+    /**
+     * Consumes the table rows until the acceptor returns false.
+     */
+    void withRows(DataStructureNodeAcceptor<TupleNode> lineAcceptor) throws Exception;
+
+    /**
+     * Reads multiple rows in bulk.
+     */
+    ArrayNode readRows(int maxLines) throws Exception;
+
+    /**
+     * Writes the rows to an OutputStream in the X-Pipe binary format.
+     */
+    default void forwardRows(OutputStream out, int maxLines) throws Exception {
+        var dataType = getDataType();
+        AtomicInteger rowCounter = new AtomicInteger();
+        withRows(l -> {
+            TypedDataStreamWriter.writeStructure(out, l, dataType);
+            rowCounter.getAndIncrement();
+            return rowCounter.get() != maxLines;
+        });
+    }
+}

core/src/main/java/io/xpipe/core/source/TableWriteConnection.java

@@ -4,7 +4,10 @@ import io.xpipe.core.data.node.DataStructureNodeAcceptor;
 import io.xpipe.core.data.node.ArrayNode;
 import io.xpipe.core.data.node.TupleNode;
 
-public interface TableDataWriteConnection extends DataSourceConnection {
+/**
+ * A connection for sequentially writing data to a table data source.
+ */
+public interface TableWriteConnection extends DataSourceConnection {
 
     DataStructureNodeAcceptor<TupleNode> writeLinesAcceptor();
 

core/src/main/java/io/xpipe/core/store/DataStore.java

@@ -1,23 +1,41 @@
 package io.xpipe.core.store;
 
 import com.fasterxml.jackson.annotation.JsonTypeInfo;
+import io.xpipe.core.source.DataSourceDescriptor;
 
 import java.time.Instant;
 import java.util.Optional;
 
+/**
+ * A data store represents some form of a location where data is stored, e.g. a file or a database.
+ * It does not contain any information on what data is stored,
+ * how the data is stored inside, or what part of the data store makes up the actual data source.
+ *
+ * @see DataSourceDescriptor
+ */
 @JsonTypeInfo(use = JsonTypeInfo.Id.NAME, property = "type")
 public interface DataStore {
 
+    /**
+     * Casts this instance to the required type without checking whether a cast is possible.
+     */
     @SuppressWarnings("unchecked")
     default <DS extends DataStore> DS asNeeded() {
         return (DS) this;
     }
 
+    /**
+     * Determines on optional default name for this data store that is
+     * used when determining a suitable default name for a data source.
+     */
     default Optional<String> determineDefaultName() {
         return Optional.empty();
     }
 
-    default Optional<Instant> getLastModified() {
+    /**
+     * Determines the last modified of this data store if this data store supports it.
+     */
+    default Optional<Instant> determineLastModified() {
         return Optional.empty();
     }
 }

core/src/main/java/io/xpipe/core/store/FileDataStore.java

@@ -1,17 +0,0 @@
-package io.xpipe.core.store;
-
-import com.fasterxml.jackson.annotation.JsonIgnore;
-
-public abstract class FileDataStore implements StreamDataStore {
-
-    public abstract String getName();
-
-    @JsonIgnore
-    public abstract boolean isLocal();
-
-    @JsonIgnore
-    public abstract LocalFileDataStore getLocal();
-
-    @JsonIgnore
-    public abstract RemoteFileDataStore getRemote();
-}

core/src/main/java/io/xpipe/core/store/InputStreamDataStore.java

@@ -4,6 +4,13 @@ import java.io.BufferedInputStream;
 import java.io.InputStream;
 import java.io.OutputStream;
 
+/**
+ * A data store that is only represented by an InputStream.
+ * One common use case of this class are piped inputs.
+ *
+ * As the data in a pipe can only be read once, this implementation
+ * internally uses a BufferedInputStream to support mark/rest.
+ */
 public class InputStreamDataStore implements StreamDataStore {
 
     private final InputStream in;

core/src/main/java/io/xpipe/core/store/LocalFileDataStore.java

@@ -1,7 +1,6 @@
 package io.xpipe.core.store;
 
 import com.fasterxml.jackson.annotation.JsonCreator;
-import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.annotation.JsonTypeName;
 
 import java.io.BufferedInputStream;
@@ -14,7 +13,7 @@ import java.time.Instant;
 import java.util.Optional;
 
 @JsonTypeName("local")
-public class LocalFileDataStore extends FileDataStore {
+public class LocalFileDataStore implements StreamDataStore {
 
     private final Path file;
 
@@ -29,7 +28,7 @@ public class LocalFileDataStore extends FileDataStore {
     }
 
     @Override
-    public Optional<Instant> getLastModified() {
+    public Optional<Instant> determineLastModified() {
         try {
             var l = Files.getLastModifiedTime(file);
             return Optional.of(l.toInstant());
@@ -38,27 +37,6 @@ public class LocalFileDataStore extends FileDataStore {
         }
     }
 
-    @Override
-    public String getName() {
-        return file.getFileName().toString();
-    }
-
-    @Override
-    @JsonIgnore
-    public boolean isLocal() {
-        return true;
-    }
-
-    @Override
-    public LocalFileDataStore getLocal() {
-        return this;
-    }
-
-    @Override
-    public RemoteFileDataStore getRemote() {
-        throw new UnsupportedOperationException();
-    }
-
     public Path getFile() {
         return file;
     }

core/src/main/java/io/xpipe/core/store/RemoteFileDataStore.java

@@ -5,7 +5,7 @@ import java.io.OutputStream;
 import java.time.Instant;
 import java.util.Optional;
 
-public class RemoteFileDataStore extends FileDataStore {
+public class RemoteFileDataStore implements StreamDataStore {
 
     @Override
     public Optional<String> determineDefaultName() {
@@ -13,30 +13,10 @@ public class RemoteFileDataStore extends FileDataStore {
     }
 
     @Override
-    public Optional<Instant> getLastModified() {
+    public Optional<Instant> determineLastModified() {
         return Optional.empty();
     }
 
-    @Override
-    public String getName() {
-        return null;
-    }
-
-    @Override
-    public boolean isLocal() {
-        return false;
-    }
-
-    @Override
-    public LocalFileDataStore getLocal() {
-        return null;
-    }
-
-    @Override
-    public RemoteFileDataStore getRemote() {
-        return null;
-    }
-
     @Override
     public InputStream openInput() throws Exception {
         return null;

core/src/main/java/io/xpipe/core/store/StreamDataStore.java

@@ -3,9 +3,19 @@ package io.xpipe.core.store;
 import java.io.InputStream;
 import java.io.OutputStream;
 
+/**
+ * A data store that can be accessed using InputStreams and/or OutputStreams.
+ * These streams must support mark/reset.
+ */
 public interface StreamDataStore extends DataStore {
 
+    /**
+     * Opens an input stream. This input stream does not necessarily have to be a new instance.
+     */
     InputStream openInput() throws Exception;
 
+    /**
+     * Opens an output stream. This output stream does not necessarily have to be a new instance.
+     */
     OutputStream openOutput() throws Exception;
 }

core/src/main/java/io/xpipe/core/util/JacksonHelper.java

@@ -37,6 +37,9 @@ public class JacksonHelper {
         return modules;
     }
 
+    /**
+     * Constructs a new ObjectMapper that is able to map all required X-Pipe classes and also possible extensions.
+     */
     public static ObjectMapper newMapper() {
         if (!init) {
             throw new IllegalStateException("Not initialized");

core/src/main/java/module-info.java

@@ -1,9 +1,9 @@
 import io.xpipe.core.util.CoreJacksonModule;
 
 module io.xpipe.core {
-    requires transitive com.fasterxml.jackson.core;
-    requires transitive com.fasterxml.jackson.databind;
-    requires transitive com.fasterxml.jackson.module.paramnames;
+    requires com.fasterxml.jackson.core;
+    requires com.fasterxml.jackson.databind;
+    requires com.fasterxml.jackson.module.paramnames;
 
     requires static lombok;
 

extension/build.gradle

@@ -15,7 +15,7 @@ apply from: "$rootDir/deps/publish-base.gradle"
 
 version = file('../version').text
 group = 'io.xpipe'
-archivesBaseName = 'core'
+archivesBaseName = 'extension'
 
 repositories {
     mavenCentral()

extension/src/main/java/io/xpipe/extension/DataSourceGuiProvider.java

@@ -1,37 +0,0 @@
-package io.xpipe.extension;
-
-import io.xpipe.core.source.DataSourceDescriptor;
-import io.xpipe.core.store.DataStore;
-import javafx.beans.property.Property;
-import javafx.scene.layout.Region;
-
-import java.nio.file.Path;
-import java.util.Map;
-import java.util.function.Supplier;
-
-public interface DataSourceGuiProvider {
-
-    default boolean isHidden() {
-        return false;
-    }
-
-    boolean supportsFile(Path file);
-
-    Region createConfigOptions(DataStore input, Property<? extends DataSourceDescriptor<?>> source);
-
-    DataSourceDescriptor<?> createDefaultDataSource(DataStore input) throws Exception;
-
-    String getDisplayName();
-
-    String getDisplayImage();
-
-    String getFileName();
-
-    Map<Supplier<String>, String> getFileExtensions();
-
-    String getDataSourceShortDescription(DataSourceDescriptor<?> source);
-
-    String getDataSourceLongDescription(DataSourceDescriptor<?> source);
-
-    Class<? extends DataSourceDescriptor<?>> getType();
-}

extension/src/main/java/io/xpipe/extension/DataSourceGuiProviders.java

@@ -1,34 +0,0 @@
-package io.xpipe.extension;
-
-import java.util.HashSet;
-import java.util.Optional;
-import java.util.ServiceLoader;
-import java.util.Set;
-import java.util.stream.Collectors;
-
-public class DataSourceGuiProviders {
-
-    private static Set<DataSourceGuiProvider> ALL;
-
-    public static void loadAll(ModuleLayer layer) {
-        if (ALL == null) {
-            ALL = new HashSet<>();
-            ALL.addAll(ServiceLoader.load(layer, DataSourceGuiProvider.class).stream()
-                    .map(ServiceLoader.Provider::get).collect(Collectors.toSet()));
-        }
-    }
-
-    public static Optional<DataSourceGuiProvider> byClass(Class<?> clazz) {
-        if (ALL == null) {
-            throw new IllegalStateException("Not initialized");
-        }
-        return ALL.stream().filter(d -> d.getType().equals(clazz)).findAny();
-    }
-
-    public static Set<DataSourceGuiProvider> getAll() {
-        if (ALL == null) {
-            throw new IllegalStateException("Not initialized");
-        }
-        return ALL;
-    }
-}

extension/src/main/java/io/xpipe/extension/DataSourceProvider.java

@@ -2,16 +2,52 @@ package io.xpipe.extension;
 
 import io.xpipe.core.source.DataSourceDescriptor;
 import io.xpipe.core.store.DataStore;
+import javafx.beans.property.Property;
+import javafx.scene.layout.Region;
 
 import java.nio.file.Path;
+import java.util.Map;
+import java.util.function.Supplier;
 
 public interface DataSourceProvider {
 
+    interface FileProvider {
+
+        boolean supportsFile(Path file);
+
+        String getFileName();
+
+        Map<Supplier<String>, String> getFileExtensions();
+    }
+
+    interface GuiProvider {
+
+        Region createConfigOptions(DataStore input, Property<? extends DataSourceDescriptor<?>> source);
+
+        String getDisplayName();
+
+        String getDisplayImage();
+
+        Supplier<String> getDescription(DataSourceDescriptor<?> source);
+    }
+
+    interface CliProvider {
+
+    }
+
+    FileProvider getFileProvider();
+
+    GuiProvider getGuiProvider();
+
+    CliProvider getCliProvider();
+
     String getId();
 
-    boolean supportsFile(Path file);
+    /**
+     * Attempt to create a useful data source descriptor from a data store.
+     * The result does not need to be always right, it should only reflect the best effort.
+     */
+    DataSourceDescriptor<?> createDefaultDescriptor(DataStore input) throws Exception;
 
-    DataSourceDescriptor<?> createDefaultDataSource(DataStore input) throws Exception;
-
-    Class<? extends DataSourceDescriptor<?>> getType();
+    Class<? extends DataSourceDescriptor<?>> getDescriptorClass();
 }

extension/src/main/java/io/xpipe/extension/DataSourceProviders.java

@@ -28,7 +28,7 @@ public class DataSourceProviders {
     public static TableDataSourceDescriptor<LocalFileDataStore> createLocalTableDescriptor(TupleType type) {
         try {
             return (TableDataSourceDescriptor<LocalFileDataStore>)
-                    DataSourceProviders.byId("xpbt").orElseThrow().getType()
+                    DataSourceProviders.byId("xpbt").orElseThrow().getDescriptorClass()
                             .getDeclaredConstructors()[0].newInstance(type);
         } catch (Exception ex) {
             ErrorEvent.fromThrowable(ex).terminal(true).build().handle();
@@ -36,12 +36,12 @@ public class DataSourceProviders {
         }
     }
 
-    public static Optional<DataSourceProvider> byDataSourceClass(Class<?> clazz) {
+    public static Optional<DataSourceProvider> byDescriptorClass(Class<?> clazz) {
         if (ALL == null) {
             throw new IllegalStateException("Not initialized");
         }
 
-        return ALL.stream().filter(d -> d.getType().equals(clazz)).findAny();
+        return ALL.stream().filter(d -> d.getDescriptorClass().equals(clazz)).findAny();
     }
 
     public static Optional<DataSourceProvider> byId(String name) {
@@ -57,7 +57,8 @@ public class DataSourceProviders {
             throw new IllegalStateException("Not initialized");
         }
 
-        return ALL.stream().filter(d -> d.supportsFile(file)).findAny();
+        return ALL.stream().filter(d -> d.getFileProvider() != null)
+                .filter(d -> d.getFileProvider().supportsFile(file)).findAny();
     }
 
     public static Optional<DataSourceProvider> byURL(URL url) {

extension/src/main/java/io/xpipe/extension/SupportedApplicationProvider.java

@@ -2,20 +2,21 @@ package io.xpipe.extension;
 
 import io.xpipe.core.source.DataSourceId;
 import javafx.beans.value.ObservableValue;
-import javafx.scene.image.Image;
 import javafx.scene.layout.Region;
 
+import java.util.function.Supplier;
+
 public interface SupportedApplicationProvider {
 
     Region createTableRetrieveInstructions(ObservableValue<DataSourceId> id);
 
     Region createStructureRetrieveInstructions(ObservableValue<DataSourceId> id);
 
-    Region createRawRetrieveInstructions(ObservableValue<DataSourceId> id);
+    Region createTextRetrieveInstructions(ObservableValue<DataSourceId> id);
 
-    Image getLogo();
+    Region createRawRetrieveInstructions(ObservableValue<DataSourceId> id);
 
     String getId();
 
-    String getName();
+    Supplier<String> getName();
 }

extension/src/main/java/io/xpipe/extension/comp/ToggleGroupComp.java

@@ -46,6 +46,9 @@ public class ToggleGroupComp<T> extends Comp<CompStructure<HBox>> {
             }
         }
         box.getChildren().get(0).getStyleClass().add("first");
+        for (int i = 1; i < box.getChildren().size() - 1; i++) {
+            box.getChildren().get(i).getStyleClass().add("center");
+        }
         box.getChildren().get(box.getChildren().size() - 1).getStyleClass().add("last");
 
         group.selectedToggleProperty().addListener((obsVal, oldVal, newVal) -> {

extension/src/main/java/module-info.java

@@ -1,4 +1,3 @@
-import io.xpipe.extension.DataSourceGuiProvider;
 import io.xpipe.extension.DataSourceProvider;
 import io.xpipe.extension.SupportedApplicationProvider;
 
@@ -16,7 +15,6 @@ module io.xpipe.extension {
     exports io.xpipe.extension.event;
 
     uses DataSourceProvider;
-    uses DataSourceGuiProvider;
     uses SupportedApplicationProvider;
     uses io.xpipe.extension.I18n;
     uses io.xpipe.extension.event.EventHandler;