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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 sample.impl;
import java.lang.reflect.Method;
import org.apache.tuscany.sca.interfacedef.java.JavaOperation;
import org.apache.tuscany.sca.invocation.Invoker;
import org.apache.tuscany.sca.invocation.Message;
/**
* Invoker for Sample components that implement a Java interface.
*
* @version $Rev$ $Date$
*/
class SampleJavaInvoker implements Invoker {
final Object instance;
final Method method;
SampleJavaInvoker(final JavaOperation op, final Class<?> clazz, final Object instance) throws SecurityException, NoSuchMethodException {
this.instance = instance;
this.method = clazz.getMethod(op.getJavaMethod().getName(), op.getJavaMethod().getParameterTypes());
}
public Message invoke(final Message msg) {
try {
// Call the method that implements the operation
msg.setBody(method.invoke(instance, (Object[])msg.getBody()));
} catch(Exception e) {
e.printStackTrace();
msg.setFaultBody(e.getCause());
}
return msg;
}
}
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