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 */ 017package org.apache.camel.impl.converter; 018 019import java.util.concurrent.Future; 020 021import org.apache.camel.Exchange; 022import org.apache.camel.Message; 023import org.apache.camel.WrappedFile; 024import org.apache.camel.component.bean.BeanInvocation; 025import org.apache.camel.support.TypeConverterSupport; 026 027/** 028 * A simple converter that can convert any object to a String type by using the 029 * toString() method of the object. 030 */ 031public class ToStringTypeConverter extends TypeConverterSupport { 032 033 @SuppressWarnings("unchecked") 034 @Override 035 public <T> T convertTo(Class<T> toType, Exchange exchange, Object value) { 036 037 // should not try to convert Message 038 if (Message.class.isAssignableFrom(value.getClass())) { 039 return (T) Void.TYPE; 040 } 041 042 // should not try to convert future 043 if (Future.class.isAssignableFrom(value.getClass())) { 044 return (T) Void.TYPE; 045 } 046 047 // should not try to convert bean invocations 048 if (BeanInvocation.class.isAssignableFrom(value.getClass())) { 049 return (T) Void.TYPE; 050 } 051 052 // should not try to convert files 053 if (WrappedFile.class.isAssignableFrom(value.getClass())) { 054 return (T) Void.TYPE; 055 } 056 057 if (toType.equals(String.class)) { 058 return (T) value.toString(); 059 } 060 return null; 061 } 062 063}