/******************************************************************************* * Copyright 2012 University of Southern California * * 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. * * This code was developed by the Information Integration Group as part * of the Karma project at the Information Sciences Institute of the * University of Southern California. For more information, publications, * and related projects, please see: http://www.isi.edu/integration ******************************************************************************/ package edu.isi.karma.controller.command.worksheet; import java.io.PrintWriter; import org.json.JSONException; import org.json.JSONObject; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import edu.isi.karma.controller.command.CommandException; import edu.isi.karma.controller.command.CommandType; import edu.isi.karma.controller.command.WorksheetCommand; import edu.isi.karma.controller.update.AbstractUpdate; import edu.isi.karma.controller.update.ErrorUpdate; import edu.isi.karma.controller.update.UpdateContainer; import edu.isi.karma.rep.Worksheet; import edu.isi.karma.rep.Workspace; import edu.isi.karma.rep.metadata.WorksheetProperties; import edu.isi.karma.rep.metadata.WorksheetProperties.Property; import edu.isi.karma.view.VWorkspace; public class FetchExistingWorksheetPropertiesCommand extends WorksheetCommand { private static Logger logger = LoggerFactory .getLogger(FetchExistingWorksheetPropertiesCommand.class); private enum JsonKeys { updateType, properties } public FetchExistingWorksheetPropertiesCommand(String id, String model, String worksheetId) { super(id, model, worksheetId); } @Override public String getCommandName() { return this.getClass().getSimpleName(); } @Override public String getTitle() { return "Fetch Worksheet Properties"; } @Override public String getDescription() { return ""; } @Override public CommandType getCommandType() { return CommandType.notInHistory; } @Override public UpdateContainer doIt(Workspace workspace) throws CommandException { Worksheet worksheet = workspace.getWorksheet(worksheetId); // Check if the model name exists. If not set to a default one String graphLabel = worksheet.getMetadataContainer().getWorksheetProperties(). getPropertyValue(Property.graphLabel); if (graphLabel == null || graphLabel.isEmpty()) { worksheet.getMetadataContainer().getWorksheetProperties().setPropertyValue( Property.graphLabel, worksheet.getTitle()); graphLabel = worksheet.getTitle(); worksheet.getMetadataContainer().getWorksheetProperties().setPropertyValue( Property.graphName, WorksheetProperties.createDefaultGraphName(graphLabel)); } String baseURI = worksheet.getMetadataContainer().getWorksheetProperties(). getPropertyValue(Property.baseURI); if (baseURI == null || baseURI.isEmpty()) { worksheet.getMetadataContainer().getWorksheetProperties().setPropertyValue( Property.baseURI, "http://localhost:8080/source/"); } String prefix = worksheet.getMetadataContainer().getWorksheetProperties(). getPropertyValue(Property.prefix); if (prefix == null || prefix.isEmpty()) { worksheet.getMetadataContainer().getWorksheetProperties().setPropertyValue( Property.prefix, "s"); } WorksheetProperties props = worksheet.getMetadataContainer().getWorksheetProperties(); try { final JSONObject propsJson = props.getJSONRepresentation(); return new UpdateContainer(new AbstractUpdate() { @Override public void generateJson(String prefix, PrintWriter pw, VWorkspace vWorkspace) { JSONObject obj = new JSONObject(); try { obj.put(JsonKeys.updateType.name(), "ExistingWorksheetProperties"); obj.put(JsonKeys.properties.name(), propsJson); pw.println(obj.toString()); } catch (JSONException e) { logger.error("Error occurred while fetching worksheet properties!", e); } } }); } catch (JSONException e) { logger.error("Error occurred while fetching worksheet properties!", e); return new UpdateContainer(new ErrorUpdate("Error occurred while fetching " + "worksheet properties!")); } } @Override public UpdateContainer undoIt(Workspace workspace) { return null; } }