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.util;
  
  import java.net.URI;
  import java.net.URISyntaxException;
  import java.util.ArrayList;
  import java.util.List;
  
  import org.apache.activemq.command.ActiveMQDestination;
  
  /**
   * Special converter for String -> List<ActiveMQDestination> to be used instead of a
   * {@link java.beans.PropertyEditor} which otherwise causes
   * memory leaks as the JDK {@link java.beans.PropertyEditorManager}
   * is a static class and has strong references to classes, causing
   * problems in hot-deployment environments.
   */
  public class StringToListOfActiveMQDestinationConverter {
  
      public static List<ActiveMQDestination> convertToActiveMQDestination(Object value) {
          if (value == null) {
              return null;
          }
  
          // text must be enclosed with []
  
          String text = value.toString();
          if (text.startsWith("[") && text.endsWith("]")) {
              text = text.substring(1, text.length() - 1).trim();
  
              if (text.isEmpty()) {
                  return null;
              }
  
              String[] array = text.split(",");
  
              List<ActiveMQDestination> list = new ArrayList<ActiveMQDestination>();
              for (String item : array) {
                  list.add(ActiveMQDestination.createDestination(item.trim(), ActiveMQDestination.QUEUE_TYPE));
              }
  
              return list;
          } else {
              return null;
          }
      }
  
      public static String convertFromActiveMQDestination(Object value) {
          return convertFromActiveMQDestination(value, false);
      }
  
      public static String convertFromActiveMQDestination(Object value, boolean includeOptions) {
          if (value == null) {
              return null;
          }
  
          StringBuilder sb = new StringBuilder("[");
          if (value instanceof List) {
              List list = (List) value;
              for (int i = 0; i < list.size(); i++) {
                  Object e = list.get(i);
                  if (e instanceof ActiveMQDestination) {
                      ActiveMQDestination destination = (ActiveMQDestination) e;
                      if (includeOptions && destination.getOptions() != null) {
                          try {
                              //Reapply the options as URI parameters
                              sb.append(destination.toString() + URISupport.applyParameters(
                                  new URI(""), destination.getOptions()));
                          } catch (URISyntaxException e1) {
                              sb.append(destination);
                          }
                      } else {
                          sb.append(destination);
                      }
                      if (i < list.size() - 1) {
                          sb.append(", ");
                      }
                  }
              }
          }
          sb.append("]");
  
          if (sb.length() > 2) {
              return sb.toString();
          } else {
              return null;
          }
      }
  
  }
  