| /** |
| * 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.ambari.server.api.services; |
| |
| import java.io.IOException; |
| import java.util.List; |
| |
| import javax.ws.rs.GET; |
| import javax.ws.rs.Path; |
| import javax.ws.rs.PathParam; |
| import javax.ws.rs.Produces; |
| import javax.ws.rs.core.Response; |
| import javax.xml.bind.JAXBException; |
| |
| import org.apache.ambari.server.state.ServiceInfo; |
| import org.apache.ambari.server.state.StackInfo; |
| import org.codehaus.jackson.JsonGenerationException; |
| import org.codehaus.jackson.map.JsonMappingException; |
| import org.codehaus.jackson.map.ObjectMapper; |
| import org.codehaus.jackson.map.SerializationConfig; |
| import org.codehaus.jackson.map.ser.FilterProvider; |
| import org.codehaus.jackson.map.ser.impl.SimpleBeanPropertyFilter; |
| import org.codehaus.jackson.map.ser.impl.SimpleFilterProvider; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import com.google.inject.Inject; |
| |
| @Path("/stacks/") |
| public class AmbariMetaService { |
| private static AmbariMetaInfo ambariMetainfo; |
| private static Logger LOG = LoggerFactory.getLogger(AmbariMetaService.class); |
| |
| @Inject |
| public static void init(AmbariMetaInfo instance) { |
| ambariMetainfo = instance; |
| } |
| |
| /** |
| * Filter properties from the service info and others |
| * @param object |
| * @return |
| * @throws IOException |
| * @throws JsonMappingException |
| * @throws JsonGenerationException |
| */ |
| public String filterProperties(Object object, boolean ignoreConfigs) throws |
| JsonGenerationException, JsonMappingException, IOException { |
| ObjectMapper mapper = new ObjectMapper(); |
| mapper.configure(SerializationConfig.Feature.INDENT_OUTPUT, true); |
| mapper.configure(SerializationConfig.Feature.USE_ANNOTATIONS, true); |
| if (ignoreConfigs) { |
| FilterProvider filters = new SimpleFilterProvider().addFilter( |
| "propertiesfilter", |
| SimpleBeanPropertyFilter.serializeAllExcept("properties")); |
| mapper.setFilters(filters); |
| } else { |
| FilterProvider filters = new SimpleFilterProvider().addFilter( |
| "propertiesfilter", SimpleBeanPropertyFilter.serializeAllExcept()); |
| mapper.setFilters(filters); |
| } |
| String json = mapper.writeValueAsString(object); |
| return json; |
| } |
| |
| @GET |
| @Produces("text/plain") |
| public Response getStacks() throws JsonGenerationException, |
| JsonMappingException, JAXBException, IOException { |
| List<StackInfo> stackInfos = ambariMetainfo.getSupportedStacks(); |
| String output = filterProperties(stackInfos, true); |
| return Response.status(Response.Status.OK).entity(output).build(); |
| } |
| |
| @GET |
| @Path("{stackName}/version/{versionNumber}") |
| @Produces("text/plain") |
| public Response getStack(@PathParam("stackName") String stackName, |
| @PathParam("versionNumber") String versionNumber) throws |
| JsonGenerationException, JsonMappingException, JAXBException, IOException { |
| StackInfo stackInfo = ambariMetainfo.getStackInfo(stackName, versionNumber); |
| String output = filterProperties(stackInfo, true); |
| return Response.status(Response.Status.OK).entity(output).build(); |
| } |
| |
| @GET |
| @Path("{stackName}/version/{versionNumber}/services/{serviceName}") |
| @Produces("text/plain") |
| public Response getServiceInfo(@PathParam("stackName") String stackName, |
| @PathParam("versionNumber") String versionNumber, |
| @PathParam("serviceName") String serviceName) throws |
| JsonGenerationException, JsonMappingException, JAXBException, IOException { |
| ServiceInfo serviceInfo = ambariMetainfo.getServiceInfo(stackName, |
| versionNumber, serviceName); |
| String output = filterProperties(serviceInfo, false); |
| return Response.status(Response.Status.OK).entity(output).build(); |
| } |
| |
| } |