package edu.isi.karma.controller.update;
import java.io.PrintWriter;
import org.json.JSONException;
import org.json.JSONObject;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import edu.isi.karma.view.VWorksheet;
import edu.isi.karma.view.VWorkspace;
public class WorksheetDeleteUpdate extends AbstractUpdate {
private String worksheetId;
private static Logger logger =LoggerFactory.getLogger(WorksheetDeleteUpdate.class);
public enum JsonKeys {
updateType, hNodeId, worksheetId
}
public WorksheetDeleteUpdate(String worksheetId) {
this.worksheetId = worksheetId;
}
@Override
public void generateJson(String prefix, PrintWriter pw,
VWorkspace vWorkspace) {
JSONObject outputObject = new JSONObject();
try {
outputObject.put(GenericJsonKeys.updateType.name(),
"WorksheetDeleteUpdate");
outputObject.put(JsonKeys.worksheetId.name(),
worksheetId);
pw.println(outputObject.toString(4));
} catch (JSONException e) {
logger.error("Error occured while generating JSON!");
}
}
@Override
public void applyUpdate(VWorkspace vWorkspace) {
VWorksheet vws = vWorkspace.getViewFactory().getVWorksheetByWorksheetId(worksheetId);
vWorkspace.getViewFactory().removeWorksheet(vws.getId());
}
public boolean equals(Object o) {
if (o instanceof WorksheetDeleteUpdate) {
WorksheetDeleteUpdate t = (WorksheetDeleteUpdate)o;
return t.worksheetId.equals(worksheetId);
}
return false;
}
}