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.transport.amqp.client.util;
  
  import java.util.ArrayList;
  import java.util.List;
  import java.util.StringTokenizer;
  
  /**
   * Class for converting to/from String[] 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 StringArrayConverter {
  
     public static String[] convertToStringArray(Object value) {
        if (value == null) {
           return null;
        }
  
        String text = value.toString();
        if (text == null || text.isEmpty()) {
           return null;
        }
  
        StringTokenizer stok = new StringTokenizer(text, ",");
        final List<String> list = new ArrayList<>();
  
        while (stok.hasMoreTokens()) {
           list.add(stok.nextToken());
        }
  
        String[] array = list.toArray(new String[list.size()]);
        return array;
     }
  
     public static String convertToString(String[] value) {
        if (value == null || value.length == 0) {
           return null;
        }
  
        StringBuilder result = new StringBuilder(String.valueOf(value[0]));
        for (int i = 1; i < value.length; i++) {
           result.append(",").append(value[i]);
        }
  
        return result.toString();
     }
  }
  