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     */
018    package org.apache.oozie.servlet;
019    
020    import java.io.IOException;
021    
022    import javax.servlet.http.HttpServletRequest;
023    import javax.servlet.http.HttpServletResponse;
024    
025    import org.apache.oozie.DagEngine;
026    import org.apache.oozie.DagEngineException;
027    import org.apache.oozie.client.rest.JsonBean;
028    import org.apache.oozie.service.DagEngineService;
029    import org.apache.oozie.service.Services;
030    
031    @SuppressWarnings("serial")
032    public 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    }