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.RuntimeCamelException;
022    import org.apache.camel.TypeConverter;
023    import org.apache.camel.util.ObjectHelper;
024    
025    /**
026     * A type converter which is used to convert to and from array types
027     * particularly for derived types of array component types and dealing with
028     * primitive array types.
029     *
030     * @version $Revision: 36321 $
031     */
032    public class EnumTypeConverter implements TypeConverter {
033        public <T> T convertTo(Class<T> type, Object value) {
034            if (type.isEnum() && value != null) {
035                String text = value.toString();
036                Method method = null;
037                try {
038                    method = type.getMethod("valueOf", String.class);
039                } catch (NoSuchMethodException e) {
040                    throw new RuntimeCamelException("Could not find valueOf method on enum type: " + type.getName());
041                }
042                return (T) ObjectHelper.invokeMethod(method, null, text);
043            }
044            return null;
045        }
046    }