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.processor.interceptor;
018    
019    import org.apache.camel.AsyncCallback;
020    import org.apache.camel.Exchange;
021    import org.apache.camel.Processor;
022    import org.apache.camel.StreamCache;
023    import org.apache.camel.processor.DelegateAsyncProcessor;
024    import 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
033    public 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    }