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/*
* 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 echo.provider;
import java.lang.reflect.InvocationTargetException;
import org.apache.tuscany.sca.invocation.Invoker;
import org.apache.tuscany.sca.invocation.Message;
/**
* Interceptor for the sample echo binding.
*/
public class EchoBindingInvoker implements Invoker {
private Object echo(Object[] args) throws InvocationTargetException {
// echo back the result, a real binding would invoke some API for flowing the request
return args[0];
}
public Message invoke(Message msg) {
try {
Object resp = echo((Object[])msg.getBody());
msg.setBody(resp);
} catch (InvocationTargetException e) {
msg.setFaultBody(e.getCause());
} catch (Throwable e) {
msg.setFaultBody(e);
}
return msg;
}
}
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