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OrderInterceptor.java
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OrderInterceptor.java
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/*
* JBoss, Home of Professional Open Source
* Copyright 2013, Red Hat, Inc. and/or its affiliates, and individual
* contributors by the @authors tag. See the copyright.txt in the
* distribution for a full listing of individual contributors.
*
* Licensed 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.switchyard.quickstarts.bean.service;
import java.util.Arrays;
import java.util.List;
import javax.inject.Named;
import org.switchyard.Exchange;
import org.switchyard.ExchangeInterceptor;
import org.switchyard.ExchangeState;
import org.switchyard.HandlerException;
/**
* This is an example of an exchange interceptor which can be used to inject code
* around targets during a message exchange. This example updates the content of
* OrderAck after the provider has generated a response.
*/
@Named("UpdateStatus")
public class OrderInterceptor implements ExchangeInterceptor {
@Override
public void before(String target, Exchange exchange) throws HandlerException {
// Not interested in doing anything before the provider is invoked
}
@Override
public void after(String target, Exchange exchange) throws HandlerException {
// We only want to intercept successful replies from OrderService
if (exchange.getProvider().getName().getLocalPart().equals("OrderService")
&& ExchangeState.OK.equals(exchange.getState())) {
OrderAck orderAck = exchange.getMessage().getContent(OrderAck.class);
orderAck.setStatus(orderAck.getStatus() + " [intercepted]");
}
}
@Override
public List<String> getTargets() {
return Arrays.asList(PROVIDER);
}
}