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 }