/*
* 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.List;
import java.util.Collections;
import java.util.Set;
import org.jboss.beans.metadata.plugins.AbstractInstallMetaData;
import org.jboss.beans.metadata.spi.BeanMetaData;
import org.jboss.beans.metadata.spi.InstallMetaData;
import org.jboss.beans.metadata.spi.ParameterMetaData;
import org.jboss.beans.metadata.spi.MetaDataVisitorNode;
import org.jboss.reflect.spi.MethodInfo;
import org.jboss.reflect.spi.ParameterInfo;
import org.jboss.reflect.spi.TypeInfo;
import org.jboss.kernel.plugins.config.Configurator;
/**
* Abstract installation annotation plugin.
*
* @param <C> annotation type
* @author <a href="mailto:ales.justin@jboss.com">Ales Justin</a>
*/
public abstract class InstallationParameterAnnotationPlugin<C extends Annotation> extends AbstractMethodParameterAnnotationPlugin<C, AbstractInstallMetaData>
{
protected InstallationParameterAnnotationPlugin(Class<C> annotation, Set<Annotation2ValueMetaDataAdapter<? extends Annotation>> adapters)
{
super(annotation, adapters);
}
protected boolean checkAnnotatedInfo(ElementType type)
{
return ElementType.METHOD == type;
}
protected boolean isMetaDataAlreadyPresent(MethodInfo info, C annotation, BeanMetaData beanMetaData)
{
List<InstallMetaData> installs = getInstalls(beanMetaData);
if (installs != null && installs.isEmpty() == false)
{
for(InstallMetaData install : installs)
{
// cannot compare when bean is set
if (install.getBean() != null)
continue;
if (install.getMethodName().equals(info.getName()))
{
List<ParameterMetaData> parameters = install.getParameters();
ParameterInfo[] parameterInfos = info.getParameters();
if (parameters == null && parameterInfos != null && parameterInfos.length == 0)
return true;
if (parameters != null && parameters.size() == 0 && parameterInfos == null)
return true;
if (parameters != null && parameterInfos != null && parameters.size() == parameterInfos.length)
{
int n = parameters.size();
String[] typeNames = new String[n];
TypeInfo[] typeInfos = new TypeInfo[n];
for(int i = 0; i < n; i++)
{
typeNames[i] = parameters.get(i).getType();
typeInfos[i] = parameterInfos[i].getParameterType();
}
return Configurator.equals(typeNames, typeInfos);
}
}
}
}
return false;
}
/**
* Get the list of InstallMetaData from bean metadata.
*
* @param beanMetaData the bean metadata
* @return list of InstallMetaData
*/
protected abstract List<InstallMetaData> getInstalls(BeanMetaData beanMetaData);
protected ParameterInfo[] getParameters(MethodInfo info)
{
return info.getParameters();
}
protected List<? extends MetaDataVisitorNode> handleParameterlessInfo(MethodInfo info, C annotation, BeanMetaData beanMetaData)
{
AbstractInstallMetaData parametrizedMetaData = createParametrizedMetaData(info, annotation);
setParameterizedMetaData(parametrizedMetaData, beanMetaData);
return Collections.singletonList(parametrizedMetaData);
}
}