/*
* 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.security.AccessController;
import java.security.PrivilegedAction;
import org.jboss.beans.metadata.plugins.AbstractValueMetaData;
import org.jboss.beans.metadata.api.annotations.JavaBeanValue;
import org.jboss.beans.metadata.spi.ValueMetaData;
import org.jboss.beans.info.spi.BeanInfo;
import org.jboss.config.plugins.property.PropertyConfiguration;
import org.jboss.config.spi.Configuration;
/**
* JavaBean value annotation plugin.
*
* @author <a href="mailto:ales.justin@jboss.com">Ales Justin</a>
*/
public class JavaBeanValueAnnotationPlugin extends PropertyAnnotationPlugin<JavaBeanValue>
{
public static final JavaBeanValueAnnotationPlugin INSTANCE = new JavaBeanValueAnnotationPlugin();
/** The configuration */
private static Configuration configuration;
static
{
// get Configuration instance
configuration = AccessController.doPrivileged(new PrivilegedAction<Configuration>()
{
public Configuration run()
{
return new PropertyConfiguration();
}
});
}
protected JavaBeanValueAnnotationPlugin()
{
super(JavaBeanValue.class);
}
public ValueMetaData createValueMetaData(JavaBeanValue annotation)
{
Class<?> className = annotation.value();
if (isAttributePresent(className) == false)
throw new IllegalArgumentException("Javabean class must be set: " + annotation);
try
{
BeanInfo beanInfo = configuration.getBeanInfo(className.getName(), null);
return new AbstractValueMetaData(beanInfo.newInstance());
}
catch (Throwable t)
{
throw new IllegalArgumentException("Exception while creating javabean: " + t);
}
}
}