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// ========================================================================
// Copyright (c) 2006-2009 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
package org.eclipse.jetty.annotations;
import java.util.EventListener;
import javax.servlet.Filter;
import javax.servlet.Servlet;
import javax.servlet.ServletException;
import org.eclipse.jetty.server.handler.ContextHandler;
import org.eclipse.jetty.servlet.FilterHolder;
import org.eclipse.jetty.servlet.ServletHolder;
import org.eclipse.jetty.servlet.ServletContextHandler.Decorator;
import org.eclipse.jetty.webapp.WebAppContext;
/**
* WebAppDecoratorWrapper
*
*
*/
public class AnnotationDecorator implements Decorator
{
AnnotationIntrospector _introspector = new AnnotationIntrospector();
/**
* @param context
*/
public AnnotationDecorator(WebAppContext context)
{
_introspector.registerHandler(new ResourceAnnotationHandler(context));
_introspector.registerHandler(new ResourcesAnnotationHandler(context));
_introspector.registerHandler(new RunAsAnnotationHandler(context));
_introspector.registerHandler(new PostConstructAnnotationHandler(context));
_introspector.registerHandler(new PreDestroyAnnotationHandler(context));
_introspector.registerHandler(new DeclareRolesAnnotationHandler(context));
}
/* ------------------------------------------------------------ */
/**
* @param filter
* @throws ServletException
* @see org.eclipse.jetty.servlet.ServletContextHandler.Decorator#decorateFilterHolder(org.eclipse.jetty.servlet.FilterHolder)
*/
public void decorateFilterHolder(FilterHolder filter) throws ServletException
{
}
/* ------------------------------------------------------------ */
/**
* @param <T>
* @param filter
* @return the decorated filter
* @throws ServletException
* @see org.eclipse.jetty.servlet.ServletContextHandler.Decorator#decorateFilterInstance(javax.servlet.Filter)
*/
public <T extends Filter> T decorateFilterInstance(T filter) throws ServletException
{
introspect(filter);
return filter;
}
/* ------------------------------------------------------------ */
/**
* @param <T>
* @param listener
* @return the decorated event listener instance
* @throws ServletException
* @see org.eclipse.jetty.servlet.ServletContextHandler.Decorator#decorateListenerInstance(java.util.EventListener)
*/
public <T extends EventListener> T decorateListenerInstance(T listener) throws ServletException
{
introspect(listener);
return listener;
}
/* ------------------------------------------------------------ */
/**
* @param servlet
* @throws ServletException
* @see org.eclipse.jetty.servlet.ServletContextHandler.Decorator#decorateServletHolder(org.eclipse.jetty.servlet.ServletHolder)
*/
public void decorateServletHolder(ServletHolder servlet) throws ServletException
{
}
/* ------------------------------------------------------------ */
/**
* @param <T>
* @param servlet
* @return the decorated servlet instance
* @throws ServletException
* @see org.eclipse.jetty.servlet.ServletContextHandler.Decorator#decorateServletInstance(javax.servlet.Servlet)
*/
public <T extends Servlet> T decorateServletInstance(T servlet) throws ServletException
{
introspect(servlet);
return servlet;
}
/* ------------------------------------------------------------ */
/**
* @param f
* @see org.eclipse.jetty.servlet.ServletContextHandler.Decorator#destroyFilterInstance(javax.servlet.Filter)
*/
public void destroyFilterInstance(Filter f)
{
}
/* ------------------------------------------------------------ */
/**
* @param s
* @see org.eclipse.jetty.servlet.ServletContextHandler.Decorator#destroyServletInstance(javax.servlet.Servlet)
*/
public void destroyServletInstance(Servlet s)
{
}
/* ------------------------------------------------------------ */
/**
* @param f
* @see org.eclipse.jetty.servlet.ServletContextHandler.Decorator#destroyListenerInstance(java.util.EventListener)
*/
public void destroyListenerInstance(EventListener f)
{
}
/**
* Look for annotations that can be discovered with introspection:
* <ul>
* <li> Resource
* <li> Resources
* <li> PostConstruct
* <li> PreDestroy
* <li> ServletSecurity?
* </ul>
* @param o
*/
protected void introspect (Object o)
{
_introspector.introspect(o.getClass());
}
}
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