// Copyright 2005 The Apache Software Foundation
//
// 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.apache.tapestry.annotations;
import java.lang.reflect.Method;
import org.apache.hivemind.HiveMind;
import org.apache.tapestry.bean.LightweightBeanInitializer;
import org.apache.tapestry.enhance.EnhancementOperation;
import org.apache.tapestry.spec.BeanSpecification;
import org.apache.tapestry.spec.IBeanSpecification;
import org.apache.tapestry.spec.IComponentSpecification;
/**
* Creates a {@link org.apache.tapestry.spec.IBeanSpecification} from the
* {@link org.apache.tapestry.annotations.Bean} annotation.
*
* @author Howard M. Lewis Ship
* @since 4.0
*/
public class BeanAnnotationWorker implements MethodAnnotationEnhancementWorker
{
public void performEnhancement(EnhancementOperation op, IComponentSpecification spec,
Method method)
{
Bean bean = method.getAnnotation(Bean.class);
String propertyName = AnnotationUtils.getPropertyName(method);
Class beanClass = bean.value();
if (beanClass.equals(Object.class))
beanClass = op.getPropertyType(propertyName);
IBeanSpecification bs = new BeanSpecification();
// A shame to convert it to a string then back to
// a class later, but ...
bs.setClassName(beanClass.getName());
bs.setPropertyName(propertyName);
// Starting to like enums!
bs.setLifecycle(bean.lifecycle().getBeanLifecycle());
String initializer = bean.initializer();
if (HiveMind.isNonBlank(initializer))
bs.addInitializer(new LightweightBeanInitializer(initializer));
spec.addBeanSpecification(propertyName, bs);
}
}