/*******************************************************************************
* 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.util.ArrayList;
import java.util.HashMap;
import javax.servlet.http.HttpServletRequest;
import org.json.JSONObject;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import edu.isi.karma.controller.command.Command;
import edu.isi.karma.controller.command.CommandFactory;
import edu.isi.karma.rep.Workspace;
public class ExportCSVCommandFactory extends CommandFactory {
private static Logger logger = LoggerFactory.getLogger(ExportCSVCommandFactory.class);
public enum Arguments {
worksheetId, columnList, tripleStoreUrl,
graphUrl, rootNodeId, selectionName
}
@Override
public Command createCommand(HttpServletRequest request,
Workspace workspace) {
String worksheetId = request.getParameter(Arguments.worksheetId.name());
String tripleStoreUrl = request.getParameter(Arguments.tripleStoreUrl.name());
String graphUrl = request.getParameter(Arguments.graphUrl.name());
String nodeId = request.getParameter(Arguments.rootNodeId.name());
String colList = request.getParameter(Arguments.columnList.name());
ArrayList<HashMap<String, String>> cols = new ArrayList<HashMap<String, String>>();
try {
JSONObject arr = new JSONObject(colList);
for(int i=0; i<arr.keySet().size(); i++) {
JSONObject obj = arr.getJSONObject(String.valueOf(i));
HashMap<String, String> map = new HashMap<String, String>();
map.put("url", obj.getString("url"));
map.put("name", obj.getString("name"));
cols.add(map);
logger.info(cols.toString());
}
} catch (Exception e) {
logger.error("Error parsing column list",e);
}
String selectionName = request.getParameter(Arguments.selectionName.name());
return new ExportCSVCommand(getNewId(workspace), worksheetId, nodeId,
tripleStoreUrl, graphUrl, cols,
selectionName);
}
@Override
public Class<? extends Command> getCorrespondingCommand() {
return ExportCSVCommand.class;
}
}