/*
* 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.core.implementation.processor;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import org.osoa.sca.annotations.Init;
import org.apache.tuscany.spi.implementation.java.ImplementationProcessorExtension;
import org.apache.tuscany.spi.implementation.java.JavaMappedProperty;
import org.apache.tuscany.spi.implementation.java.JavaMappedReference;
import org.apache.tuscany.spi.implementation.java.JavaMappedService;
import org.apache.tuscany.spi.implementation.java.PojoComponentType;
import org.apache.tuscany.spi.implementation.java.ProcessingException;
import org.apache.tuscany.spi.component.CompositeComponent;
import org.apache.tuscany.spi.deployer.DeploymentContext;
/**
* Processes the {@link @Init} annotation on a component implementation and updates the component type with the
* decorated initializer method
*
* @version $Rev: 441893 $ $Date: 2006-09-09 20:41:09 -0700 (Sat, 09 Sep 2006) $
*/
public class InitProcessor extends ImplementationProcessorExtension {
public void visitMethod(CompositeComponent parent, Method method,
PojoComponentType<JavaMappedService, JavaMappedReference, JavaMappedProperty<?>> type,
DeploymentContext context)
throws ProcessingException {
Init annotation = method.getAnnotation(Init.class);
if (annotation == null) {
return;
}
if (method.getParameterTypes().length != 0) {
IllegalInitException e = new IllegalInitException("Initializer must not have argments");
e.setIdentifier(method.toString());
throw e;
}
if (type.getInitMethod() != null) {
throw new DuplicateInitException("More than one initializer found on implementaton");
}
if (Modifier.isProtected(method.getModifiers())) {
method.setAccessible(true);
}
type.setEagerInit(annotation.eager());
type.setInitMethod(method);
}
}