ResourcesAnnotationHandler.java

// ========================================================================
// Copyright (c) 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 javax.annotation.Resource;
import javax.annotation.Resources;
import javax.naming.NamingException;

import org.eclipse.jetty.annotations.AnnotationIntrospector.AbstractIntrospectableAnnotationHandler;
import org.eclipse.jetty.util.log.Log;
import org.eclipse.jetty.util.log.Logger;
import org.eclipse.jetty.webapp.WebAppContext;

public class ResourcesAnnotationHandler extends AbstractIntrospectableAnnotationHandler
{
    private static final Logger LOG = Log.getLogger(ResourcesAnnotationHandler.class);


    protected WebAppContext _wac;

    public ResourcesAnnotationHandler (WebAppContext wac)
    {
        super(true);
        _wac = wac;
    }
    
    public void doHandle (Class clazz)
    {
        Resources resources = (Resources)clazz.getAnnotation(Resources.class);
        if (resources != null)
        {
            Resource[] resArray = resources.value();
            if (resArray==null||resArray.length==0)
            {
                LOG.warn ("Skipping empty or incorrect Resources annotation on "+clazz.getName());
                return;
            }

            for (int j=0;j<resArray.length;j++)
            {

                String name = resArray[j].name();
                String mappedName = resArray[j].mappedName();
                Resource.AuthenticationType auth = resArray[j].authenticationType();
                Class type = resArray[j].type();
                boolean shareable = resArray[j].shareable();

                if (name==null || name.trim().equals(""))
                    throw new IllegalStateException ("Class level Resource annotations must contain a name (Common Annotations Spec Section 2.3)");

                try
                {
                    //TODO don't ignore the shareable, auth etc etc

                    if (!org.eclipse.jetty.plus.jndi.NamingEntryUtil.bindToENC(_wac, name, mappedName))
                        if (!org.eclipse.jetty.plus.jndi.NamingEntryUtil.bindToENC(_wac.getServer(), name, mappedName))
                            LOG.warn("Skipping Resources(Resource) annotation on "+clazz.getName()+" for name "+name+": No resource bound at "+(mappedName==null?name:mappedName));
                }
                catch (NamingException e)
                {
                    LOG.warn(e);
                }
            }
        }
    }    

}