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.activemq.broker.jmx;
  
  import java.util.Collection;
  import java.util.HashMap;
  import java.util.Map;
  
  import javax.management.openmbean.CompositeData;
  import javax.management.openmbean.TabularData;
  
  /**
   *
   */
  public class CompositeDataHelper {
  
      /**
       * Extracts the named TabularData field from the CompositeData and converts it to a Map
       * which is the method used to get the typesafe user properties.
       */
      public static Map getTabularMap(CompositeData cdata, String fieldName) {
          Map map = new HashMap();
          appendTabularMap(map, cdata, fieldName);
          return map;
      }
  
      public static void appendTabularMap(Map map, CompositeData cdata, String fieldName) {
          Object tabularObject = cdata.get(fieldName);
          if (tabularObject instanceof TabularData) {
              TabularData tabularData = (TabularData) tabularObject;
              Collection<CompositeData> values = (Collection<CompositeData>) tabularData.values();
              for (CompositeData compositeData : values) {
                  Object key = compositeData.get("key");
                  Object value = compositeData.get("value");
                  map.put(key, value);
              }
          }
      }
  
      /**
       * Returns a map of all the user properties in the given message {@link javax.management.openmbean.CompositeData}
       * object
       *
       * @param cdata
       *
       * @return a Map of user properties
       */
      public static Map getMessageUserProperties(CompositeData cdata) {
          Map map = new HashMap();
          appendTabularMap(map, cdata, CompositeDataConstants.STRING_PROPERTIES);
          appendTabularMap(map, cdata, CompositeDataConstants.BOOLEAN_PROPERTIES);
          appendTabularMap(map, cdata, CompositeDataConstants.BYTE_PROPERTIES);
          appendTabularMap(map, cdata, CompositeDataConstants.SHORT_PROPERTIES);
          appendTabularMap(map, cdata, CompositeDataConstants.INT_PROPERTIES);
          appendTabularMap(map, cdata, CompositeDataConstants.LONG_PROPERTIES);
          appendTabularMap(map, cdata, CompositeDataConstants.FLOAT_PROPERTIES);
          appendTabularMap(map, cdata, CompositeDataConstants.DOUBLE_PROPERTIES);
          return map;
      }
  }
  