/*******************************************************************************
* 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.update;
import java.io.PrintWriter;
import java.util.Set;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import edu.isi.karma.rep.metadata.Tag;
import edu.isi.karma.view.VWorkspace;
public class TagsUpdate extends AbstractUpdate {
private static Logger logger = LoggerFactory.getLogger(TagsUpdate.class);
private enum JsonKeys {
Tags, Label, Color, Nodes
}
@Override
public void generateJson(String prefix, PrintWriter pw,
VWorkspace vWorkspace) {
Set<Tag> tags = vWorkspace.getWorkspace().getTagsContainer().getTags();
try {
JSONObject topObj = new JSONObject();
topObj.put(GenericJsonKeys.updateType.name(),
TagsUpdate.class.getSimpleName());
JSONArray arr = new JSONArray();
for (Tag tag : tags) {
JSONObject tagObj = new JSONObject();
tagObj.put(JsonKeys.Label.name(), tag.getLabel().name());
tagObj.put(JsonKeys.Color.name(), tag.getColor().name());
JSONArray nodeArr = new JSONArray(tag.getNodeIdList());
tagObj.put(JsonKeys.Nodes.name(), nodeArr);
arr.put(tagObj);
}
topObj.put(JsonKeys.Tags.name(), arr);
pw.write(topObj.toString(4));
} catch (JSONException e) {
logger.error("Error occured while writing to JSON!", e);
}
}
public boolean equals(Object o) {
if (o instanceof TagsUpdate)
return true;
return false;
}
}