/**
* Copyright 2012 Comcast Corporation
*
* 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.
*/
package com.comcast.cns.controller;
import javax.servlet.AsyncContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.comcast.cmb.common.model.User;
import com.comcast.cmb.common.util.CMBException;
import com.comcast.cns.io.CNSAttributePopulator;
import com.comcast.cns.model.CNSTopicAttributes;
import com.comcast.cns.util.CNSErrorCodes;
/**
* Set Topic Attributes
* @author bwolf, jorge
*
*/
public class CNSGetTopicAttributesAction extends CNSAction {
//private static Logger logger = Logger.getLogger(CNSGetTopicAttributesAction.class);
public CNSGetTopicAttributesAction() {
super("GetTopicAttributes");
}
@Override
public boolean doAction(User user, AsyncContext asyncContext) throws Exception {
HttpServletRequest request = (HttpServletRequest)asyncContext.getRequest();
HttpServletResponse response = (HttpServletResponse)asyncContext.getResponse();
String topicArn = request.getParameter("TopicArn");
if (topicArn == null) {
throw new CMBException(CNSErrorCodes.CNS_InvalidParameter, "Missing parameters TopicArn");
}
//CNSTopicAttributes attr = PersistenceFactory.getCNSAttributePersistence().getTopicAttributes(topicArn);
CNSTopicAttributes attr = CNSCache.getTopicAttributes(topicArn);
if (attr == null) {
throw new CMBException(CNSErrorCodes.InternalError, "Unknown topic with arn " + topicArn);
}
String out = CNSAttributePopulator.getGetTopicAttributesResponse(attr);
writeResponse(out, response);
return true;
}
}