001    /**
002     *
003     * Licensed to the Apache Software Foundation (ASF) under one or more
004     * contributor license agreements.  See the NOTICE file distributed with
005     * this work for additional information regarding copyright ownership.
006     * The ASF licenses this file to You under the Apache License, Version 2.0
007     * (the "License"); you may not use this file except in compliance with
008     * the License.  You may obtain a copy of the License at
009     *
010     * http://www.apache.org/licenses/LICENSE-2.0
011     *
012     * Unless required by applicable law or agreed to in writing, software
013     * distributed under the License is distributed on an "AS IS" BASIS,
014     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015     * See the License for the specific language governing permissions and
016     * limitations under the License.
017     */
018    package org.apache.camel.impl.converter;
019    
020    import java.beans.PropertyEditor;
021    import java.beans.PropertyEditorManager;
022    
023    import org.apache.camel.TypeConverter;
024    
025    /**
026     * Uses the java.beans.PropertyEditor conversion system to convert Objects to and from String values.
027     * 
028     * @version $Revision: 523731 $
029     */
030    public class PropertyEditorTypeConverter implements TypeConverter {
031            
032            
033            public <T> T convertTo(Class<T> toType, Object value) {
034                    
035                    // We can't convert null values since we can't figure out a property editor for it.
036                    if( value == null )
037                            return null;
038                    
039                    if( value.getClass() == String.class ) {
040                            
041                            // No conversion needed.
042                            if( toType == String.class ) {
043                                    return toType.cast(value);
044                            }
045                            
046                    PropertyEditor editor = PropertyEditorManager.findEditor(toType);
047                    if( editor != null ) { 
048                        editor.setAsText(value.toString());
049                        return toType.cast(editor.getValue());
050                    }
051                    
052                    } else  if( toType == String.class ) {
053                            
054                    PropertyEditor editor = PropertyEditorManager.findEditor(value.getClass());
055                    if( editor != null ) { 
056                        editor.setValue(value);
057                        return toType.cast(editor.getAsText());
058                    }
059                    
060                    }
061            return null;
062            }
063    
064    }