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.view.cluster;
  
  import org.apache.ambari.view.ViewContext;
  
  import jakarta.inject.Inject;
  import java.util.Map;
  
  /**
   * The base property service.
   */
  public abstract class PropertyService {
  
    /**
     * The view context.
     */
    @Inject
    protected ViewContext context;
  
    protected String getResponse(String ... propertyNames) {
  
      Map<String, String> properties = context.getProperties();
  
      StringBuffer buffer = new StringBuffer();
      int count = 0;
  
      buffer.append("[");
      for (String propertyName : propertyNames) {
        if (count++ > 0) {
          buffer.append(",\n");
        }
        buffer.append(getPropertyResponse(properties, propertyName));
      }
      buffer.append("]");
  
      return buffer.toString();
    }
  
    private String getPropertyResponse(Map<String, String> properties, String key) {
      StringBuffer buffer = new StringBuffer();
  
      String value = properties.get(key);
  
      buffer.append("{\"");
      buffer.append(key);
      buffer.append("\" : \"");
      buffer.append(value);
      buffer.append("\"}");
  
      return buffer.toString();
    }
  } // end PropertyService
  