/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.camel.processor.interceptor;
import java.util.List;
import org.apache.camel.Exchange;
import org.apache.camel.NoTypeConversionAvailableException;
import org.apache.camel.Processor;
import org.apache.camel.converter.stream.StreamCache;
import org.apache.camel.model.InterceptorRef;
import org.apache.camel.model.InterceptorType;
import org.apache.camel.processor.Interceptor;
/**
* {@link Interceptor} that converts a message into a re-readable format
*/
public class StreamCachingInterceptor extends Interceptor {
public StreamCachingInterceptor() {
super();
setInterceptorLogic(new Processor() {
public void process(Exchange exchange) throws Exception {
try {
StreamCache newBody = exchange.getIn().getBody(StreamCache.class);
if (newBody != null) {
newBody.reset();
exchange.getIn().setBody(newBody);
}
} catch (NoTypeConversionAvailableException ex) {
// ignore if in is not of StreamCache type
}
proceed(exchange);
}
});
}
public StreamCachingInterceptor(Processor processor) {
this();
setProcessor(processor);
}
@Override
public String toString() {
return "StreamCachingInterceptor";
}
/**
* Remove the {@link StreamCachingInterceptor} type of interceptor from the given list of interceptors
*
* @param interceptors the list of interceptors
*/
public static void noStreamCaching(List<InterceptorType> interceptors) {
for (int i = 0; i < interceptors.size(); i++) {
InterceptorType interceptor = interceptors.get(i);
if (interceptor instanceof InterceptorRef
&& ((InterceptorRef)interceptor).getInterceptor() instanceof StreamCachingInterceptor) {
interceptors.remove(interceptor);
}
}
}
}