JSUIDatasourceService.java

/*!
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Lesser General Public License for more details.
*
* Copyright (c) 2002-2013 Pentaho Corporation..  All rights reserved.
*/

package org.pentaho.platform.dataaccess.datasource.ui.service;

import java.util.ArrayList;
import java.util.List;

import org.pentaho.platform.dataaccess.datasource.DatasourceInfo;
import org.pentaho.platform.dataaccess.datasource.IDatasourceInfo;
import org.pentaho.ui.xul.XulServiceCallback;

import com.google.gwt.core.client.JavaScriptObject;
import com.google.gwt.core.client.JsArray;

public class JSUIDatasourceService implements IUIDatasourceAdminService {
  private JavaScriptObject datasourceServiceObject;

  // Overlay types always have protected, zero argument constructors.
  public JSUIDatasourceService( JavaScriptObject datasourceServiceObject ) {
    this.datasourceServiceObject = datasourceServiceObject;
  }

  @Override
  public final String getType() {
    return getDelegateType( this.datasourceServiceObject );
  }

  @Override
  public final void getIds( XulServiceCallback<List<IDatasourceInfo>> callback ) {
    List<IDatasourceInfo> datasourceInfoList = new ArrayList<IDatasourceInfo>();
    JsArray<JavaScriptObject> infos = getDelegateIds( this.datasourceServiceObject );
    for ( int i = 0; i < infos.length(); i++ ) {
      JSDatasourceInfo info = new JSDatasourceInfo( infos.get( i ) );
      datasourceInfoList.add(
        new DatasourceInfo( info.getName(), info.getName(), info.getType(), info.isEditable(), info.isRemovable(),
          info.isImportable(), info.isExportable() ) );
    }
    callback.success( datasourceInfoList );
  }

  @Override
  public final String getNewUI() {
    return getDelegateNewUI( this.datasourceServiceObject );
  }

  @Override
  public final String getEditUI( IDatasourceInfo dsInfo ) {
    return getDelegateEditUI( this.datasourceServiceObject, dsInfo.getId() );
  }

  @Override
  public final void export( IDatasourceInfo dsInfo ) {
    getDelegateExport( this.datasourceServiceObject, dsInfo.getId() );

  }

  /* (non-Javadoc)
   * @see org.pentaho.platform.dataaccess.datasource.ui.service.IUIDatasourceAdminService#remove(org.pentaho.platform
   * .dataaccess.datasource.IDatasourceInfo, java.lang.Object)
   */
  @Override
  public void remove( IDatasourceInfo dsInfo, Object callback ) {
    XulServiceCallbackJavascriptObject xulServiceCallbackJsObject =
      new XulServiceCallbackJavascriptObject( (XulServiceCallback<Boolean>) callback );
    getDelegateRemove( this.datasourceServiceObject, dsInfo.getId(), xulServiceCallbackJsObject.getJavascriptObject() );
  }

  /**
   * Return editable flag
   *
   * @return
   */
  @Override public boolean isEditable() {
    return getDelegateIsEditable( this.datasourceServiceObject );
  }

  /**
   * Return removable flag
   *
   * @return
   */
  @Override public boolean isRemovable() {
    return getDelegateIsRemovable( this.datasourceServiceObject );
  }

  /**
   * Return importable flag
   *
   * @return
   */
  @Override public boolean isImportable() {
    return getDelegateIsImportable( this.datasourceServiceObject );
  }

  /**
   * Return exportable flag
   *
   * @return
   */
  @Override public boolean isExportable() {
    return getDelegateIsExportable( this.datasourceServiceObject );
  }

  /**
   * Return creatable flag
   *
   * @return
   */
  @Override public boolean isCreatable() {
    return getDelegateIsCreatable( this.datasourceServiceObject );
  }

  private final native JsArray<JavaScriptObject> getDelegateIds( JavaScriptObject datasourceServiceObject ) /*-{
    return datasourceServiceObject.getIds();
  }-*/;

  private final native String getDelegateNewUI( JavaScriptObject datasourceServiceObject ) /*-{
    return datasourceServiceObject.getNewUI();
  }-*/;

  private final native String getDelegateEditUI( JavaScriptObject datasourceServiceObject, String id ) /*-{
    return datasourceServiceObject.getEditUI(id);
  }-*/;

  private final native String getDelegateType( JavaScriptObject datasourceServiceObject ) /*-{
    return datasourceServiceObject.getType();
  }-*/;

  private final native String getDelegateExport( JavaScriptObject datasourceServiceObject, String id ) /*-{
    return datasourceServiceObject.doExport(id);
  }-*/;

  private final native String getDelegateRemove( JavaScriptObject datasourceServiceObject, String id,
                                                 JavaScriptObject callback ) /*-{
    return datasourceServiceObject.doRemove(id, callback);
  }-*/;

  private final native boolean getDelegateIsEditable( JavaScriptObject datasourceServiceObject )/*-{
    return datasourceServiceObject.isEditable();
  }-*/;

  private final native boolean getDelegateIsRemovable( JavaScriptObject datasourceServiceObject )/*-{
    return datasourceServiceObject.isRemovable();
  }-*/;

  private final native boolean getDelegateIsImportable( JavaScriptObject datasourceServiceObject )/*-{
    return datasourceServiceObject.isImportable();
  }-*/;

  private final native boolean getDelegateIsExportable( JavaScriptObject datasourceServiceObject )/*-{
    return datasourceServiceObject.isExportable();
  }-*/;

  private final native boolean getDelegateIsCreatable( JavaScriptObject datasourceServiceObject )/*-{
    return datasourceServiceObject.isCreatable();
  }-*/;
}