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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 org.apache.tuscany.sca.implementation.java.introspect.impl;
import java.lang.reflect.Method;
import org.apache.tuscany.sca.assembly.AssemblyFactory;
import org.apache.tuscany.sca.core.ExtensionPointRegistry;
import org.apache.tuscany.sca.implementation.java.IntrospectionException;
import org.apache.tuscany.sca.implementation.java.JavaImplementation;
import org.apache.tuscany.sca.implementation.java.introspect.BaseJavaClassVisitor;
import org.oasisopen.sca.annotation.Destroy;
/**
* Processes the {@link @Destroy} annotation on a component implementation and
* updates the component type with the decorated destructor method
*
* @version $Rev$ $Date$
*/
public class DestroyProcessor extends BaseJavaClassVisitor {
public DestroyProcessor(AssemblyFactory factory) {
super(factory);
}
public DestroyProcessor(ExtensionPointRegistry registry) {
super(registry);
}
@Override
public void visitMethod(Method method, JavaImplementation type) throws IntrospectionException {
Destroy annotation = method.getAnnotation(Destroy.class);
if (annotation == null) {
return;
}
if (method.getParameterTypes().length != 0) {
throw new IllegalDestructorException("[JCA90004] Destructor must not have arguments", method);
}
if(!method.getReturnType().equals(void.class)) {
throw new IllegalDestructorException("Destructor must return void.", method);
}
if (type.getDestroyMethod() != null) {
throw new DuplicateDestructorException("More than one destructor found on implementation");
}
type.setDestroyMethod(method);
}
}
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