/*
* JBoss, Home of Professional Open Source
* Copyright 2006, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.kernel.plugins.annotations;
import java.lang.annotation.Annotation;
import java.lang.annotation.ElementType;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import org.jboss.beans.metadata.plugins.AbstractBeanMetaData;
import org.jboss.beans.metadata.plugins.AbstractLifecycleMetaData;
import org.jboss.beans.metadata.spi.BeanMetaData;
import org.jboss.beans.metadata.spi.MetaDataVisitorNode;
import org.jboss.reflect.spi.MethodInfo;
import org.jboss.reflect.spi.ParameterInfo;
/**
* Abstract lifecycle annotation plugin.
*
* @param <C> annotation type
* @author <a href="mailto:ales.justin@jboss.com">Ales Justin</a>
*/
public abstract class LifecycleParameterAnnotationPlugin<C extends Annotation> extends AbstractMethodParameterAnnotationPlugin<C, AbstractLifecycleMetaData>
{
protected LifecycleParameterAnnotationPlugin(Class<C> annotation, Map<Class<? extends Annotation>, Annotation2ValueMetaDataAdapter<? extends Annotation>> adapters)
{
super(annotation, adapters);
}
protected boolean checkAnnotatedInfo(ElementType type)
{
return ElementType.METHOD == type;
}
/**
* Is lifecycle metadata present.
*
* @param beanMetaData the bean metadata
* @return true if lifecycle metadata exists
*/
protected abstract boolean isLifecyclePresent(BeanMetaData beanMetaData);
protected AbstractLifecycleMetaData createLifecycleMetaData(String method, C annotation)
{
AbstractLifecycleMetaData lifecycle = new AbstractLifecycleMetaData(method);
applyLifecycleAnnotation(lifecycle, annotation);
return lifecycle;
}
/**
* Apply lifecycle annotation.
*
* @param lifecycle lifecycle metadata
* @param annotation the annotation
*/
protected abstract void applyLifecycleAnnotation(AbstractLifecycleMetaData lifecycle, C annotation);
/**
* Set lifecycle metadata.
*
* @param beanMetaData the bean metadata
* @param lifecycle the lifecycle metadata
*/
protected abstract void setLifecycleMetaData(AbstractBeanMetaData beanMetaData, AbstractLifecycleMetaData lifecycle);
protected boolean isMetaDataAlreadyPresent(MethodInfo info, C annotation, BeanMetaData beanMetaData)
{
return isLifecyclePresent(beanMetaData);
}
protected ParameterInfo[] getParameters(MethodInfo info)
{
return info.getParameters();
}
protected List<? extends MetaDataVisitorNode> handleParameterlessInfo(MethodInfo info, C annotation, BeanMetaData beanMetaData)
{
AbstractBeanMetaData abmd = checkIfNotAbstractBeanMetaDataSpecific(beanMetaData);
AbstractLifecycleMetaData lifecycle = createLifecycleMetaData(info.getName(), annotation);
setLifecycleMetaData(abmd, lifecycle);
return Collections.singletonList(lifecycle);
}
protected AbstractLifecycleMetaData createParametrizedMetaData(MethodInfo info, C annotation)
{
return createLifecycleMetaData(info.getName(), annotation);
}
protected void setParameterizedMetaData(AbstractLifecycleMetaData parameterizedMetaData, BeanMetaData beanMetaData)
{
AbstractBeanMetaData abmd = checkIfNotAbstractBeanMetaDataSpecific(beanMetaData);
setLifecycleMetaData(abmd, parameterizedMetaData);
}
}