content: /*
   * 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.resources;
  
  import java.util.ArrayList;
  import java.util.List;
  
  import org.apache.ambari.server.api.services.Request;
  import org.apache.ambari.server.api.util.TreeNode;
  import org.apache.ambari.server.controller.spi.Resource;
  import org.apache.ambari.server.controller.spi.Resource.Type;
  import org.apache.ambari.server.controller.spi.Schema;
  import org.apache.ambari.server.controller.utilities.ClusterControllerHelper;
  
  public class RootServiceHostComponentResourceDefinition extends
      BaseResourceDefinition {
  
    public RootServiceHostComponentResourceDefinition(Type resourceType) {
      super(resourceType);
    }
  
    public RootServiceHostComponentResourceDefinition() {
      super(Resource.Type.RootServiceHostComponent);
    }
  
    @Override
    public String getPluralName() {
      return "hostComponents";
    }
  
    @Override
    public String getSingularName() {
      return "hostComponent";
    }
    
    @Override
    public List<PostProcessor> getPostProcessors() {
      List<PostProcessor> listProcessors = new ArrayList<>();
      listProcessors.add(new RootServiceHostComponentHrefProcessor());
  
      return listProcessors;
    }
    
    private class RootServiceHostComponentHrefProcessor extends BaseHrefPostProcessor {
      @Override
      public void process(Request request, TreeNode<Resource> resultNode, String href) {
        Resource r = resultNode.getObject();
        Schema schema = ClusterControllerHelper.getClusterController().getSchema(r.getType());
        Object host = r.getPropertyValue(schema.getKeyPropertyId(Resource.Type.Host));
        Object hostComponent = r.getPropertyValue(schema.getKeyPropertyId(r.getType()));
  
        int idx = href.indexOf("services/") + "services/".length();
        idx = href.indexOf("/", idx) + 1;
  
        href = href.substring(0, idx) + "hosts/" + host + "/hostComponents/" + hostComponent;
  
        resultNode.setProperty("href", href);
      }
    }
  }
  