/**
* 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.cqs.controller;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
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.persistence.PersistenceFactory;
import com.comcast.cmb.common.util.CMBErrorCodes;
import com.comcast.cmb.common.util.CMBException;
import com.comcast.cmb.common.util.CMBProperties;
import com.comcast.cqs.io.CQSMessagePopulator;
import com.comcast.cqs.model.CQSBatchResultErrorEntry;
import com.comcast.cqs.model.CQSQueue;
import com.comcast.cqs.util.CQSConstants;
import com.comcast.cqs.util.CQSErrorCodes;
import com.comcast.cqs.util.Util;
/**
* Change message visibility batch action
* @author baosen, vvenkatraman, bwolf
*
*/
public class CQSChangeMessageVisibilityBatchAction extends CQSAction {
public CQSChangeMessageVisibilityBatchAction() {
super("ChangeMessageVisibilityBatch");
}
@Override
public boolean doAction(User user, AsyncContext asyncContext) throws Exception {
HttpServletRequest request = (HttpServletRequest)asyncContext.getRequest();
HttpServletResponse response = (HttpServletResponse)asyncContext.getResponse();
CQSQueue queue = CQSCache.getCachedQueue(user, request);
List<String> idList = new ArrayList<String>();
List<CQSBatchResultErrorEntry> failedList = new ArrayList<CQSBatchResultErrorEntry>();
Map<String, List<String>> idMap = new HashMap<String, List<String>>();
int index = 1;
String suppliedId = request.getParameter(this.actionName + CQSConstants.REQUEST_ENTRY + index + ".Id");
String receiptHandle = request.getParameter(this.actionName + CQSConstants.REQUEST_ENTRY + index + "." + CQSConstants.RECEIPT_HANDLE);
while (suppliedId != null && receiptHandle != null) {
if (!Util.isValidId(suppliedId)) {
throw new CMBException(CQSErrorCodes.InvalidBatchEntryId, "Id " + suppliedId + " is invalid. Only alphanumeric, hyphen, and underscore are allowed. It can be at most " + CMBProperties.getInstance().getCQSMaxMessageSuppliedIdLength() + " letters long.");
}
if (idList.contains(suppliedId)) {
throw new CMBException(CQSErrorCodes.BatchEntryIdsNotDistinct, "Id " + suppliedId + " repeated");
}
idList.add(suppliedId);
if (receiptHandle.isEmpty()) {
failedList.add(new CQSBatchResultErrorEntry(suppliedId, true, "ReceiptHandleIsInvalid", "No Value Found for " + this.actionName + CQSConstants.REQUEST_ENTRY + index + "." + CQSConstants.RECEIPT_HANDLE));
} else {
String visibilityTimeoutStr = request.getParameter(this.actionName + CQSConstants.REQUEST_ENTRY + index + "." + CQSConstants.VISIBILITY_TIMEOUT);
if (visibilityTimeoutStr != null) {
Integer visibilityTimeout = Integer.parseInt(visibilityTimeoutStr);
if (visibilityTimeout < 0 || visibilityTimeout > CMBProperties.getInstance().getCQSMaxVisibilityTimeOut()) {
throw new CMBException(CMBErrorCodes.InvalidParameterValue, "VisibilityTimeout is limited from 0 to " + CMBProperties.getInstance().getCQSMaxVisibilityTimeOut() + " seconds");
}
}
idMap.put(suppliedId, Arrays.asList(receiptHandle, visibilityTimeoutStr));
}
index++;
suppliedId = request.getParameter(this.actionName + CQSConstants.REQUEST_ENTRY + index + ".Id");
receiptHandle = request.getParameter(this.actionName + CQSConstants.REQUEST_ENTRY + index + "." + CQSConstants.RECEIPT_HANDLE);
}
if (idMap.size() == 0) {
throw new CMBException(CMBErrorCodes.InvalidQueryParameter, "Both user supplied message Id and receiptHandle are required");
}
List<String> successList = new ArrayList<String>();
for (Map.Entry<String, List<String>> entry : idMap.entrySet()) {
if (PersistenceFactory.getCQSMessagePersistence().changeMessageVisibility(queue, entry.getValue().get(0), Integer.parseInt(entry.getValue().get(1)))) {
successList.add(entry.getKey());
} else {
failedList.add(new CQSBatchResultErrorEntry(entry.getKey(), true, "ReceiptHandleIsInvalid", "The input receipt handle is invalid."));
}
}
String out = CQSMessagePopulator.getChangeMessageVisibilityBatchResponse(successList, failedList);
writeResponse(out, response);
return true;
}
}