/*******************************************************************************
* 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 javax.servlet.http.HttpServletRequest;
import org.json.JSONArray;
import org.json.JSONException;
import edu.isi.karma.controller.command.Command;
import edu.isi.karma.controller.command.CommandFactory;
import edu.isi.karma.controller.command.JSONInputCommandFactory;
import edu.isi.karma.util.CommandInputJSONUtil;
import edu.isi.karma.view.VWorkspace;
import edu.isi.karma.webserver.KarmaException;
public class AddColumnCommandFactory extends CommandFactory implements JSONInputCommandFactory {
public enum Arguments {
vWorksheetId, hTableId, hNodeId, newColumnName, defaultValue
}
@Override
public Command createCommand(HttpServletRequest request,
VWorkspace vWorkspace) {
String hNodeId = request.getParameter(Arguments.hNodeId.name());
String hTableId = request.getParameter(Arguments.hTableId.name());
String newColumnName = request.getParameter(Arguments.newColumnName.name());
String vWorksheetId = request.getParameter(Arguments.vWorksheetId.name());
String defaultValue = request.getParameter(Arguments.defaultValue.name());
return new AddColumnCommand(getNewId(vWorkspace), vWorksheetId, getWorksheetId(request, vWorkspace),
hTableId, hNodeId, newColumnName, defaultValue);
}
@Override
public Command createCommand(JSONArray inputJson, VWorkspace vWorkspace)
throws JSONException, KarmaException {
/** Parse the input arguments and create proper data structures to be passed to the command **/
String hNodeID = CommandInputJSONUtil.getStringValue(Arguments.hNodeId.name(), inputJson);
String vWorksheetID = CommandInputJSONUtil.getStringValue(Arguments.vWorksheetId.name(), inputJson);
String hTableId = CommandInputJSONUtil.getStringValue(Arguments.hTableId.name(), inputJson);
String newColumnName = CommandInputJSONUtil.getStringValue(Arguments.newColumnName.name(), inputJson);
String defaultValue = CommandInputJSONUtil.getStringValue(Arguments.defaultValue.name(), inputJson);
AddColumnCommand colCmd = new AddColumnCommand(getNewId(vWorkspace), vWorksheetID,
vWorkspace.getViewFactory().getVWorksheet(vWorksheetID).getWorksheet().getId(),
hTableId, hNodeID, newColumnName, defaultValue);
colCmd.setInputParameterJson(inputJson.toString());
return colCmd;
}
}