/**
* 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.component.cxf;
import org.apache.camel.AsyncCallback;
import org.apache.camel.AsyncProcessor;
import org.apache.camel.Exchange;
import org.apache.camel.Processor;
import org.apache.camel.impl.converter.AsyncProcessorTypeConverter;
import org.apache.camel.util.AsyncProcessorHelper;
/**
* A simple class to wrap an existing processor (synchronous or asynchronous)
* with two synchronous processors that will be executed before and after the
* main processor.
*/
public class AsyncProcessorDecorator implements AsyncProcessor {
private final AsyncProcessor processor;
private final Processor before;
private final Processor after;
public AsyncProcessorDecorator(Processor processor, Processor before, Processor after) {
this.processor = AsyncProcessorTypeConverter.convert(processor);
this.before = before;
this.after = after;
}
public void process(Exchange exchange) throws Exception {
AsyncProcessorHelper.process(this, exchange);
}
public boolean process(final Exchange exchange, final AsyncCallback callback) {
try {
before.process(exchange);
} catch (Throwable t) {
exchange.setException(t);
callback.done(true);
return true;
}
return processor.process(exchange, new AsyncCallback() {
public void done(boolean doneSynchronously) {
try {
after.process(exchange);
callback.done(doneSynchronously);
} catch (Throwable t) {
exchange.setException(t);
}
}
});
}
}