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.lang.reflect.Method;
020
021 import org.apache.camel.Exchange;
022 import org.apache.camel.RuntimeCamelException;
023 import org.apache.camel.TypeConverter;
024 import org.apache.camel.util.ObjectHelper;
025
026 /**
027 * A type converter which is used to convert to and from array types
028 * particularly for derived types of array component types and dealing with
029 * primitive array types.
030 *
031 * @version $Revision: 747062 $
032 */
033 public class EnumTypeConverter implements TypeConverter {
034
035 @SuppressWarnings("unchecked")
036 public <T> T convertTo(Class<T> type, Object value) {
037 if (type.isEnum() && value != null) {
038 String text = value.toString();
039 Method method = null;
040 try {
041 method = type.getMethod("valueOf", String.class);
042 } catch (NoSuchMethodException e) {
043 throw new RuntimeCamelException("Could not find valueOf method on enum type: " + type.getName());
044 }
045 return (T) ObjectHelper.invokeMethod(method, null, text);
046 }
047 return null;
048 }
049
050 public <T> T convertTo(Class<T> type, Exchange exchange, Object value) {
051 // ignore exchange
052 return convertTo(type, value);
053 }
054 }