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;
021import java.util.Arrays;
022import java.util.Collections;
023import java.util.List;
024import java.util.Properties;
025
026import javax.servlet.http.HttpServletRequest;
027import javax.servlet.http.HttpServletResponse;
028
029import org.apache.hadoop.conf.Configuration;
030import org.apache.oozie.ErrorCode;
031import org.apache.oozie.client.OozieClient.SYSTEM_MODE;
032import org.apache.oozie.client.rest.JMSConnectionInfoBean;
033import org.apache.oozie.client.rest.JsonBean;
034import org.apache.oozie.client.rest.JsonTags;
035import org.apache.oozie.client.rest.RestConstants;
036import org.apache.oozie.jms.JMSConnectionInfo;
037import org.apache.oozie.jms.JMSJobEventListener;
038import org.apache.oozie.service.CallableQueueService;
039import org.apache.oozie.service.JMSTopicService;
040import org.apache.oozie.service.Services;
041import org.json.simple.JSONArray;
042import org.json.simple.JSONObject;
043
044public class V1AdminServlet extends BaseAdminServlet {
045
046    private static final long serialVersionUID = 1L;
047    private static final String INSTRUMENTATION_NAME = "v1admin";
048    private static final ResourceInfo RESOURCES_INFO[] = new ResourceInfo[9];
049
050    static {
051        RESOURCES_INFO[0] = new ResourceInfo(RestConstants.ADMIN_STATUS_RESOURCE, Arrays.asList("PUT", "GET"),
052                                             Arrays.asList(new ParameterInfo(RestConstants.ADMIN_SYSTEM_MODE_PARAM, String.class, true,
053                                                                             Arrays.asList("PUT"))));
054        RESOURCES_INFO[1] = new ResourceInfo(RestConstants.ADMIN_OS_ENV_RESOURCE, Arrays.asList("GET"),
055                Collections.EMPTY_LIST);
056        RESOURCES_INFO[2] = new ResourceInfo(RestConstants.ADMIN_JAVA_SYS_PROPS_RESOURCE, Arrays.asList("GET"),
057                Collections.EMPTY_LIST);
058        RESOURCES_INFO[3] = new ResourceInfo(RestConstants.ADMIN_CONFIG_RESOURCE, Arrays.asList("GET"),
059                Collections.EMPTY_LIST);
060        RESOURCES_INFO[4] = new ResourceInfo(RestConstants.ADMIN_INSTRUMENTATION_RESOURCE, Arrays.asList("GET"),
061                Collections.EMPTY_LIST);
062        RESOURCES_INFO[5] = new ResourceInfo(RestConstants.ADMIN_BUILD_VERSION_RESOURCE, Arrays.asList("GET"),
063                Collections.EMPTY_LIST);
064        RESOURCES_INFO[6] = new ResourceInfo(RestConstants.ADMIN_QUEUE_DUMP_RESOURCE, Arrays.asList("GET"),
065                Collections.EMPTY_LIST);
066        RESOURCES_INFO[7] = new ResourceInfo((RestConstants.ADMIN_TIME_ZONES_RESOURCE), Arrays.asList("GET"),
067                Collections.EMPTY_LIST);
068        RESOURCES_INFO[8] = new ResourceInfo((RestConstants.ADMIN_JMS_INFO), Arrays.asList("GET"),
069                Collections.EMPTY_LIST);
070
071    }
072
073    protected V1AdminServlet(String name) {
074        super(name, RESOURCES_INFO);
075        modeTag = RestConstants.ADMIN_SYSTEM_MODE_PARAM;
076    }
077
078    public V1AdminServlet() {
079        this(INSTRUMENTATION_NAME);
080    }
081
082    /*
083     * (non-Javadoc)
084     *
085     * @see
086     * org.apache.oozie.servlet.BaseAdminServlet#populateOozieMode(org.json.
087     * simple.JSONObject)
088     */
089    @SuppressWarnings("unchecked")
090    @Override
091    protected void populateOozieMode(JSONObject json) {
092        json.put(JsonTags.OOZIE_SYSTEM_MODE, Services.get().getSystemMode().toString());
093    }
094
095    /*
096     * (non-Javadoc)
097     *
098     * @see
099     * org.apache.oozie.servlet.BaseAdminServlet#setOozieMode(javax.servlet.
100     * http.HttpServletRequest, javax.servlet.http.HttpServletResponse,
101     * java.lang.String)
102     */
103    @Override
104    protected void setOozieMode(HttpServletRequest request,
105                                HttpServletResponse response, String resourceName)
106            throws XServletException {
107        if (resourceName.equals(RestConstants.ADMIN_STATUS_RESOURCE)) {
108            SYSTEM_MODE sysMode = SYSTEM_MODE.valueOf(request.getParameter(modeTag));
109            Services.get().setSystemMode(sysMode);
110            response.setStatus(HttpServletResponse.SC_OK);
111        }
112        else {
113            throw new XServletException(HttpServletResponse.SC_BAD_REQUEST,
114                                        ErrorCode.E0301, resourceName);
115        }
116    }
117
118    /**
119     * Get a json array of queue dump and a json array of unique map dump
120     *
121     * @param JSONObject the result json object that contains a JSONArray for the callable dump
122     *
123     * @see
124     * org.apache.oozie.servlet.BaseAdminServlet#getQueueDump(org.json.simple
125     * .JSONObject)
126     */
127    @SuppressWarnings("unchecked")
128    @Override
129    protected void getQueueDump(JSONObject json) throws XServletException {
130        List<String> queueDumpList = Services.get().get(CallableQueueService.class).getQueueDump();
131        JSONArray queueDumpArray = new JSONArray();
132        for (String str: queueDumpList) {
133            JSONObject jObject = new JSONObject();
134            jObject.put(JsonTags.CALLABLE_DUMP, str);
135            queueDumpArray.add(jObject);
136        }
137        json.put(JsonTags.QUEUE_DUMP, queueDumpArray);
138
139        List<String> uniqueDumpList = Services.get().get(CallableQueueService.class).getUniqueDump();
140        JSONArray uniqueDumpArray = new JSONArray();
141        for (String str: uniqueDumpList) {
142            JSONObject jObject = new JSONObject();
143            jObject.put(JsonTags.UNIQUE_ENTRY_DUMP, str);
144            uniqueDumpArray.add(jObject);
145        }
146        json.put(JsonTags.UNIQUE_MAP_DUMP, uniqueDumpArray);
147    }
148
149    @Override
150    protected JsonBean getJMSConnectionInfo(HttpServletRequest request, HttpServletResponse response) throws XServletException,
151            IOException {
152        throw new XServletException(HttpServletResponse.SC_BAD_REQUEST, ErrorCode.E0302, "Not supported in v1");
153    }
154
155
156}