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.util.Arrays;
021 import java.util.Collections;
022
023 import javax.servlet.http.HttpServletRequest;
024 import javax.servlet.http.HttpServletResponse;
025
026 import org.apache.oozie.ErrorCode;
027 import org.apache.oozie.client.OozieClient.SYSTEM_MODE;
028 import org.apache.oozie.client.rest.JsonTags;
029 import org.apache.oozie.client.rest.RestConstants;
030 import org.apache.oozie.service.Services;
031 import org.json.simple.JSONObject;
032
033 public class V0AdminServlet extends BaseAdminServlet {
034 private static final long serialVersionUID = 1L;
035 private static final String INSTRUMENTATION_NAME = "v0admin";
036 private static final ResourceInfo RESOURCES_INFO[] = new ResourceInfo[6];
037
038 static {
039 RESOURCES_INFO[0] = new ResourceInfo(RestConstants.ADMIN_STATUS_RESOURCE, Arrays.asList("PUT", "GET"),
040 Arrays.asList(new ParameterInfo(RestConstants.ADMIN_SAFE_MODE_PARAM, Boolean.class, true,
041 Arrays.asList("PUT"))));
042 RESOURCES_INFO[1] = new ResourceInfo(RestConstants.ADMIN_OS_ENV_RESOURCE, Arrays.asList("GET"),
043 Collections.EMPTY_LIST);
044 RESOURCES_INFO[2] = new ResourceInfo(RestConstants.ADMIN_JAVA_SYS_PROPS_RESOURCE, Arrays.asList("GET"),
045 Collections.EMPTY_LIST);
046 RESOURCES_INFO[3] = new ResourceInfo(RestConstants.ADMIN_CONFIG_RESOURCE, Arrays.asList("GET"),
047 Collections.EMPTY_LIST);
048 RESOURCES_INFO[4] = new ResourceInfo(RestConstants.ADMIN_INSTRUMENTATION_RESOURCE, Arrays.asList("GET"),
049 Collections.EMPTY_LIST);
050 RESOURCES_INFO[5] = new ResourceInfo(RestConstants.ADMIN_BUILD_VERSION_RESOURCE, Arrays.asList("GET"),
051 Collections.EMPTY_LIST);
052 }
053
054 public V0AdminServlet() {
055 super(INSTRUMENTATION_NAME, RESOURCES_INFO);
056 modeTag = RestConstants.ADMIN_SAFE_MODE_PARAM;
057 }
058
059 /*
060 * (non-Javadoc)
061 *
062 * @see
063 * org.apache.oozie.servlet.BaseAdminServlet#populateOozieMode(org.json.
064 * simple.JSONObject)
065 */
066 @Override
067 protected void populateOozieMode(JSONObject json) {
068 if (Services.get().getSystemMode() != SYSTEM_MODE.NORMAL) {
069 json.put(JsonTags.OOZIE_SAFE_MODE, true);
070 }
071 else {
072 json.put(JsonTags.OOZIE_SAFE_MODE, false);
073 }
074 }
075
076 /*
077 * (non-Javadoc)
078 *
079 * @see
080 * org.apache.oozie.servlet.BaseAdminServlet#setOozieMode(javax.servlet.
081 * http.HttpServletRequest, javax.servlet.http.HttpServletResponse,
082 * java.lang.String)
083 */
084 @Override
085 protected void setOozieMode(HttpServletRequest request, HttpServletResponse response, String resourceName)
086 throws XServletException {
087 if (resourceName.equals(RestConstants.ADMIN_STATUS_RESOURCE)) {
088 boolean safeMode = Boolean.parseBoolean(request.getParameter(modeTag));
089 //Services.get().setSafeMode(safeMode);
090 SYSTEM_MODE sysMode = safeMode == true ? SYSTEM_MODE.NOWEBSERVICE : SYSTEM_MODE.NORMAL;
091 System.out.println(modeTag + " DDDD " + sysMode);
092 Services.get().setSystemMode(sysMode);
093 response.setStatus(HttpServletResponse.SC_OK);
094 }
095 else {
096 throw new XServletException(HttpServletResponse.SC_BAD_REQUEST,
097 ErrorCode.E0301, resourceName);
098 }
099 }
100
101 /*
102 * (non-Javadoc)
103 *
104 * @see
105 * org.apache.oozie.servlet.BaseAdminServlet#getQueueDump(org.json.simple
106 * .JSONObject)
107 */
108 @Override
109 protected void getQueueDump(JSONObject json) throws XServletException {
110 throw new XServletException(HttpServletResponse.SC_BAD_REQUEST, ErrorCode.E0301, "cannot get queue dump");
111 }
112 }