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.processor.interceptor; 018 019import org.apache.camel.AsyncCallback; 020import org.apache.camel.Exchange; 021import org.apache.camel.Processor; 022import org.apache.camel.StreamCache; 023import org.apache.camel.processor.DelegateAsyncProcessor; 024import org.apache.camel.util.MessageHelper; 025 026/** 027 * An interceptor that converts streams messages into a re-readable format 028 * by wrapping the stream into a {@link StreamCache}. 029 * 030 * @deprecated no longer in use, will be removed in next Camel release. 031 */ 032@Deprecated 033public class StreamCachingInterceptor extends DelegateAsyncProcessor { 034 035 public StreamCachingInterceptor() { 036 } 037 038 public StreamCachingInterceptor(Processor processor) { 039 super(processor); 040 } 041 042 @Override 043 public String toString() { 044 return "StreamCachingInterceptor[" + processor + "]"; 045 } 046 047 @Override 048 public boolean process(Exchange exchange, AsyncCallback callback) { 049 StreamCache newBody = exchange.getIn().getBody(StreamCache.class); 050 if (newBody != null) { 051 exchange.getIn().setBody(newBody); 052 } 053 MessageHelper.resetStreamCache(exchange.getIn()); 054 055 return processor.process(exchange, callback); 056 } 057 058}