| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.hadoop.yarn.server.applicationhistoryservice.webapp; |
| |
| import java.util.Arrays; |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| import javax.ws.rs.ext.ContextResolver; |
| import javax.ws.rs.ext.Provider; |
| import javax.xml.bind.JAXBContext; |
| |
| import org.apache.hadoop.yarn.server.webapp.dao.AppAttemptInfo; |
| import org.apache.hadoop.yarn.server.webapp.dao.AppAttemptsInfo; |
| import org.apache.hadoop.yarn.server.webapp.dao.AppInfo; |
| import org.apache.hadoop.yarn.server.webapp.dao.AppsInfo; |
| import org.apache.hadoop.yarn.server.webapp.dao.ContainerInfo; |
| import org.apache.hadoop.yarn.server.webapp.dao.ContainersInfo; |
| |
| import com.google.inject.Singleton; |
| import com.sun.jersey.api.json.JSONConfiguration; |
| import com.sun.jersey.api.json.JSONJAXBContext; |
| |
| @Singleton |
| @Provider |
| @SuppressWarnings("rawtypes") |
| public class JAXBContextResolver implements ContextResolver<JAXBContext> { |
| |
| private JAXBContext context; |
| private final Set<Class> types; |
| |
| // you have to specify all the dao classes here |
| private final Class[] cTypes = { AppInfo.class, AppsInfo.class, |
| AppAttemptInfo.class, AppAttemptsInfo.class, ContainerInfo.class, |
| ContainersInfo.class }; |
| |
| public JAXBContextResolver() throws Exception { |
| this.types = new HashSet<Class>(Arrays.asList(cTypes)); |
| this.context = |
| new JSONJAXBContext(JSONConfiguration.natural().rootUnwrapping(false) |
| .build(), cTypes); |
| } |
| |
| @Override |
| public JAXBContext getContext(Class<?> objectType) { |
| return (types.contains(objectType)) ? context : null; |
| } |
| } |