Package org.jboss.injection

Source Code of org.jboss.injection.JndiInjectHandler

/*
* JBoss, Home of Professional Open Source.
* Copyright 2006, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file 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.injection;

import java.lang.reflect.AccessibleObject;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.util.Map;

import org.jboss.ejb3.annotation.JndiInject;
import org.jboss.logging.Logger;
import org.jboss.metadata.ejb.jboss.JBossEnterpriseBeanMetaData;
import org.jboss.metadata.javaee.jboss.JndiRefMetaData;
import org.jboss.metadata.javaee.jboss.JndiRefsMetaData;
import org.jboss.metadata.javaee.spec.RemoteEnvironment;

/**
* Searches bean class for all @Inject and create Injectors
*
* @author <a href="mailto:bill@jboss.org">Bill Burke</a>
* @version $Revision: 67628 $
*/
public class JndiInjectHandler<X extends RemoteEnvironment> implements InjectionHandler<X>
{
   @SuppressWarnings("unused")
   private static final Logger log = Logger.getLogger(JndiInjectHandler.class);
  
   public void loadXml(X xml, InjectionContainer container)
   {
      if (xml == null) return;
      if (xml instanceof JBossEnterpriseBeanMetaData == false) return;
      JndiRefsMetaData jndiRefs = ((JBossEnterpriseBeanMetaData) xml).getJndiRefs();
      if (jndiRefs == null) return;
      for (JndiRefMetaData ref : jndiRefs)
      {
         if (ref.getMappedName() == null || ref.getMappedName().equals(""))
            throw new RuntimeException("mapped-name is required for " + ref.getJndiRefName() + " of container " + container.getIdentifier());

         String encName = "env/" + ref.getJndiRefName();
         if (!container.getEncInjectors().containsKey(encName))
         {
            container.getEncInjectors().put(encName, new LinkRefEncInjector(encName, ref.getMappedName(), "jndi ref"));
         }
         InjectionUtil.injectionTarget(encName, ref, container, container.getEncInjections());
      }
   }

   public void handleClassAnnotations(Class<?> clazz, InjectionContainer container)
   {
      // complete
   }

   public void handleMethodAnnotations(Method method, InjectionContainer container, Map<AccessibleObject, Injector> injectors)
   {
      JndiInject ref = method.getAnnotation(JndiInject.class);
      if (ref != null)
      {
         if (!method.getName().startsWith("set"))
            throw new RuntimeException("@EJB can only be used with a set method: " + method);
         String encName = InjectionUtil.getEncName(method);
         if (!container.getEncInjectors().containsKey(encName))
         {
            container.getEncInjectors().put(encName, new LinkRefEncInjector(encName, ref.jndiName(), "@JndiInject"));
         }
         injectors.put(method, new JndiMethodInjector(method, encName, container.getEnc()));
      }
   }
  
   public void handleFieldAnnotations(Field field, InjectionContainer container, Map<AccessibleObject, Injector> injectors)
   {
      JndiInject ref = field.getAnnotation(JndiInject.class);
      if (ref != null)
      {
         String encName = InjectionUtil.getEncName(field);
         if (!container.getEncInjectors().containsKey(encName))
         {
            container.getEncInjectors().put(encName, new LinkRefEncInjector(encName, ref.jndiName(), "@JndiInject"));
         }
         injectors.put(field, new JndiFieldInjector(field, encName, container.getEnc()));
      }
   }
}
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