001/**
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *      http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.oozie.servlet;
019
020import java.io.IOException;
021
022import javax.servlet.http.HttpServletRequest;
023import javax.servlet.http.HttpServletResponse;
024
025import org.apache.oozie.DagEngine;
026import org.apache.oozie.DagEngineException;
027import org.apache.oozie.client.rest.JsonBean;
028import org.apache.oozie.service.DagEngineService;
029import org.apache.oozie.service.Services;
030
031@SuppressWarnings("serial")
032public class V2JobServlet extends V1JobServlet {
033
034    private static final String INSTRUMENTATION_NAME = "v2job";
035
036    public V2JobServlet() {
037        super(INSTRUMENTATION_NAME);
038    }
039
040    @Override
041    protected JsonBean getWorkflowJob(HttpServletRequest request, HttpServletResponse response) throws XServletException {
042        JsonBean jobBean = super.getWorkflowJobBean(request, response);
043        return jobBean;
044    }
045
046    @Override
047    protected JsonBean getWorkflowAction(HttpServletRequest request, HttpServletResponse response) throws XServletException {
048        JsonBean actionBean = super.getWorkflowActionBean(request, response);
049        return actionBean;
050    }
051
052    @Override
053    protected int getCoordinatorJobLength(int defaultLen, int len) {
054        return (len < 0) ? defaultLen : len;
055    }
056
057    @Override
058    protected String getJMSTopicName(HttpServletRequest request, HttpServletResponse response) throws XServletException,
059            IOException {
060        String topicName;
061        String jobId = getResourceName(request);
062        DagEngine dagEngine = Services.get().get(DagEngineService.class).getDagEngine(getUser(request));
063        try {
064            topicName = dagEngine.getJMSTopicName(jobId);
065        }
066        catch (DagEngineException ex) {
067            throw new XServletException(HttpServletResponse.SC_BAD_REQUEST, ex);
068        }
069        return topicName;
070    }
071}