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.camel.impl.converter;
018
019 import java.beans.PropertyEditor;
020 import java.beans.PropertyEditorManager;
021
022 import org.apache.camel.Exchange;
023 import org.apache.camel.TypeConverter;
024 import org.apache.camel.util.ObjectHelper;
025
026 /**
027 * Uses the {@link java.beans.PropertyEditor} conversion system to convert Objects to
028 * and from String values.
029 *
030 * @version $Revision: 687545 $
031 */
032 public class PropertyEditorTypeConverter implements TypeConverter {
033
034 public <T> T convertTo(Class<T> toType, Object value) {
035 // We can't convert null values since we can't figure out a property
036 // editor for it.
037 if (value == null) {
038 return null;
039 }
040
041 if (value.getClass() == String.class) {
042 // No conversion needed.
043 if (toType == String.class) {
044 return ObjectHelper.cast(toType, value);
045 }
046
047 PropertyEditor editor = PropertyEditorManager.findEditor(toType);
048 if (editor != null) {
049 editor.setAsText(value.toString());
050 return ObjectHelper.cast(toType, editor.getValue());
051 }
052 } else if (toType == String.class) {
053 PropertyEditor editor = PropertyEditorManager.findEditor(value.getClass());
054 if (editor != null) {
055 editor.setValue(value);
056 return ObjectHelper.cast(toType, editor.getAsText());
057 }
058 }
059
060 return null;
061 }
062
063 public <T> T convertTo(Class<T> type, Exchange exchange, Object value) {
064 return convertTo(type, value);
065 }
066 }