001    /**
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    package org.apache.activemq.util;
018    
019    import java.beans.PropertyEditorSupport;
020    import java.util.ArrayList;
021    import java.util.List;
022    import java.util.StringTokenizer;
023    
024    
025    public class StringArrayEditor extends PropertyEditorSupport {
026    
027        public void setAsText(String text) {
028            if (text == null || text.length() == 0) {
029                setValue(null);
030            } else {
031                StringTokenizer stok = new StringTokenizer(text, ",");
032                final List<String> list = new ArrayList<String>();
033    
034                while (stok.hasMoreTokens()) {
035                    list.add(stok.nextToken());
036                }
037    
038                Object array = list.toArray(new String[list.size()]);
039    
040                setValue(array);
041            }
042        }
043    
044        public String getAsText() {
045            Object[] objects = (Object[]) getValue();
046            if (objects == null || objects.length == 0) {
047                return null;
048            }
049    
050            StringBuffer result = new StringBuffer(String.valueOf(objects[0]));
051            for (int i = 1; i < objects.length; i++) {
052                result.append(",").append(objects[i]);
053            }
054    
055            return result.toString();
056    
057        }
058    
059    }
060