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