001 /**
002 * Copyright (c) 2010 Yahoo! Inc. All rights reserved.
003 * Licensed under the Apache License, Version 2.0 (the "License");
004 * you may not use this file except in compliance with the License.
005 * You may obtain a copy of the License at
006 *
007 * http://www.apache.org/licenses/LICENSE-2.0
008 *
009 * Unless required by applicable law or agreed to in writing, software
010 * distributed under the License is distributed on an "AS IS" BASIS,
011 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012 * See the License for the specific language governing permissions and
013 * limitations under the License. See accompanying LICENSE file.
014 */
015 package org.apache.oozie.servlet;
016
017 import java.util.Arrays;
018 import java.util.Collections;
019
020 import javax.servlet.http.HttpServletRequest;
021 import javax.servlet.http.HttpServletResponse;
022
023 import org.apache.oozie.ErrorCode;
024 import org.apache.oozie.client.OozieClient.SYSTEM_MODE;
025 import org.apache.oozie.client.rest.JsonTags;
026 import org.apache.oozie.client.rest.RestConstants;
027 import org.apache.oozie.service.Services;
028 import org.json.simple.JSONObject;
029
030 public class V0AdminServlet extends BaseAdminServlet {
031 private static final long serialVersionUID = 1L;
032 private static final String INSTRUMENTATION_NAME = "v0admin";
033 private static final ResourceInfo RESOURCES_INFO[] = new ResourceInfo[6];
034
035 static {
036 RESOURCES_INFO[0] = new ResourceInfo(RestConstants.ADMIN_STATUS_RESOURCE, Arrays.asList("PUT", "GET"),
037 Arrays.asList(new ParameterInfo(RestConstants.ADMIN_SAFE_MODE_PARAM, Boolean.class, true,
038 Arrays.asList("PUT"))));
039 RESOURCES_INFO[1] = new ResourceInfo(RestConstants.ADMIN_OS_ENV_RESOURCE, Arrays.asList("GET"),
040 Collections.EMPTY_LIST);
041 RESOURCES_INFO[2] = new ResourceInfo(RestConstants.ADMIN_JAVA_SYS_PROPS_RESOURCE, Arrays.asList("GET"),
042 Collections.EMPTY_LIST);
043 RESOURCES_INFO[3] = new ResourceInfo(RestConstants.ADMIN_CONFIG_RESOURCE, Arrays.asList("GET"),
044 Collections.EMPTY_LIST);
045 RESOURCES_INFO[4] = new ResourceInfo(RestConstants.ADMIN_INSTRUMENTATION_RESOURCE, Arrays.asList("GET"),
046 Collections.EMPTY_LIST);
047 RESOURCES_INFO[5] = new ResourceInfo(RestConstants.ADMIN_BUILD_VERSION_RESOURCE, Arrays.asList("GET"),
048 Collections.EMPTY_LIST);
049 }
050
051 public V0AdminServlet() {
052 super(INSTRUMENTATION_NAME, RESOURCES_INFO);
053 modeTag = RestConstants.ADMIN_SAFE_MODE_PARAM;
054 }
055
056 /*
057 * (non-Javadoc)
058 *
059 * @see
060 * org.apache.oozie.servlet.BaseAdminServlet#populateOozieMode(org.json.
061 * simple.JSONObject)
062 */
063 @Override
064 protected void populateOozieMode(JSONObject json) {
065 if (Services.get().getSystemMode() != SYSTEM_MODE.NORMAL) {
066 json.put(JsonTags.OOZIE_SAFE_MODE, true);
067 }
068 else {
069 json.put(JsonTags.OOZIE_SAFE_MODE, false);
070 }
071 }
072
073 /*
074 * (non-Javadoc)
075 *
076 * @see
077 * org.apache.oozie.servlet.BaseAdminServlet#setOozieMode(javax.servlet.
078 * http.HttpServletRequest, javax.servlet.http.HttpServletResponse,
079 * java.lang.String)
080 */
081 @Override
082 protected void setOozieMode(HttpServletRequest request, HttpServletResponse response, String resourceName)
083 throws XServletException {
084 if (resourceName.equals(RestConstants.ADMIN_STATUS_RESOURCE)) {
085 boolean safeMode = Boolean.parseBoolean(request.getParameter(modeTag));
086 //Services.get().setSafeMode(safeMode);
087 SYSTEM_MODE sysMode = safeMode == true ? SYSTEM_MODE.NOWEBSERVICE : SYSTEM_MODE.NORMAL;
088 System.out.println(modeTag + " DDDD " + sysMode);
089 Services.get().setSystemMode(sysMode);
090 response.setStatus(HttpServletResponse.SC_OK);
091 }
092 else {
093 throw new XServletException(HttpServletResponse.SC_BAD_REQUEST,
094 ErrorCode.E0301, resourceName);
095 }
096 }
097
098 /*
099 * (non-Javadoc)
100 *
101 * @see
102 * org.apache.oozie.servlet.BaseAdminServlet#getQueueDump(org.json.simple
103 * .JSONObject)
104 */
105 @Override
106 protected void getQueueDump(JSONObject json) throws XServletException {
107 throw new XServletException(HttpServletResponse.SC_BAD_REQUEST, ErrorCode.E0301);
108 }
109 }