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.TypeConverter; 023 import org.apache.camel.util.ObjectHelper; 024 025 /** 026 * A {@link TypeConverter} implementation which invokes a static method to convert from a type to another type 027 * 028 * @version $Revision: 46981 $ 029 */ 030 public class StaticMethodTypeConverter implements TypeConverter { 031 private final Method method; 032 private final boolean useExchange; 033 034 public StaticMethodTypeConverter(Method method) { 035 this.method = method; 036 this.useExchange = method.getParameterTypes().length == 2; 037 } 038 039 @Override 040 public String toString() { 041 return "StaticMethodTypeConverter: " + method; 042 } 043 044 public <T> T convertTo(Class<T> type, Object value) { 045 return convertTo(type, null, value); 046 } 047 048 public <T> T convertTo(Class<T> type, Exchange exchange, Object value) { 049 return useExchange ? (T)ObjectHelper.invokeMethod(method, null, value, exchange) 050 : (T)ObjectHelper.invokeMethod(method, null, value); 051 } 052 }