| /** |
| * 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.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.length() == 0) { |
| return null; |
| } |
| |
| StringTokenizer stok = new StringTokenizer(text, ","); |
| final List<String> list = new ArrayList<String>(); |
| |
| 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; |
| } |
| |
| StringBuffer result = new StringBuffer(String.valueOf(value[0])); |
| for (int i = 1; i < value.length; i++) { |
| result.append(",").append(value[i]); |
| } |
| |
| return result.toString(); |
| } |
| |
| } |
| |