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    import java.util.Properties;
022    
023    import javax.servlet.http.HttpServletRequest;
024    import javax.servlet.http.HttpServletResponse;
025    
026    import org.apache.hadoop.conf.Configuration;
027    import org.apache.oozie.ErrorCode;
028    import org.apache.oozie.client.rest.JMSConnectionInfoBean;
029    import org.apache.oozie.client.rest.JsonBean;
030    import org.apache.oozie.jms.JMSConnectionInfo;
031    import org.apache.oozie.jms.JMSJobEventListener;
032    import org.apache.oozie.service.JMSTopicService;
033    import org.apache.oozie.service.Services;
034    
035    /**
036     * V2 admin servlet
037     *
038     */
039    public class V2AdminServlet extends V1AdminServlet {
040    
041        private static final long serialVersionUID = 1L;
042        private static final String INSTRUMENTATION_NAME = "v2admin";
043    
044        public V2AdminServlet() {
045            super(INSTRUMENTATION_NAME);
046        }
047    
048        @Override
049        protected JsonBean getJMSConnectionInfo(HttpServletRequest request, HttpServletResponse response)
050                throws XServletException, IOException {
051            Configuration conf = Services.get().getConf();
052            JMSTopicService jmsTopicService = Services.get().get(JMSTopicService.class);
053            String connectionProperties = conf.get(JMSJobEventListener.JMS_CONNECTION_PROPERTIES);
054            if (connectionProperties == null) {
055                throw new XServletException(HttpServletResponse.SC_BAD_REQUEST, ErrorCode.E1601,
056                        "JMS connection property is not defined");
057            }
058            JMSConnectionInfoBean jmsBean = new JMSConnectionInfoBean();
059            JMSConnectionInfo jmsInfo = new JMSConnectionInfo(connectionProperties);
060            Properties jmsInfoProps = jmsInfo.getJNDIProperties();
061            jmsInfoProps.remove("java.naming.security.principal");
062            jmsBean.setJNDIProperties(jmsInfoProps);
063            if (jmsTopicService != null) {
064                jmsBean.setTopicPrefix(jmsTopicService.getTopicPrefix());
065                jmsBean.setTopicPatternProperties(jmsTopicService.getTopicPatternProperties());
066            }
067            else {
068                throw new XServletException(
069                        HttpServletResponse.SC_BAD_REQUEST,
070                        ErrorCode.E1601,
071                        "JMSTopicService is not initialized. JMS notification"
072                                + "may not be enabled");
073            }
074            return jmsBean;
075        }
076    
077    }