Package org.jboss.resource.deployment

Source Code of org.jboss.resource.deployment.ResourceAdapterFactory

/*
* 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.resource.deployment;

import java.beans.PropertyEditor;
import java.beans.PropertyEditorManager;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;

import javax.resource.spi.ResourceAdapter;

import org.jboss.deployers.spi.DeploymentException;
import org.jboss.resource.metadata.ConfigPropertyMetaData;
import org.jboss.resource.metadata.ConnectorMetaData;
import org.jboss.resource.metadata.RARDeploymentMetaData;

/**
* A resource adapter factory
*
* @author  <a href="adrian@jboss.com">Adrian Brock</a>
* @author <a href="weston.price@jboss.com">Weston Price</a>
* @version $Revision: 96989 $
*/
public class ResourceAdapterFactory
{
   /** The dummy resource adapter for old deployment */
   public static final String DUMMY_RA_CLASS = DummyResourceAdapter.class.getName();
  
   /**
    * Create a new ResourceAdapter
    *
    * @param ramd the ResourceAdapterMetaData
    * @return the resource adapter
    * @throws Exception
    */
   public static ResourceAdapter createResourceAdapter(RARDeploymentMetaData ramd) throws Exception
   {
      ResourceAdapter adapter = createResourceAdapter(ramd.getConnectorMetaData());
     
      ConfigPropertyHandler configPropertyHandler = new ConfigPropertyHandler(adapter, adapter.getClass(), "ResourceAdapter: ");
      for(Iterator iter = ramd.getRaXmlMetaData().getProperties().iterator(); iter.hasNext();)
      {
         ConfigPropertyMetaData cpmd = (ConfigPropertyMetaData)iter.next();
         applyProperty(configPropertyHandler, cpmd, adapter.getClass());
      }
           
      return adapter;
   }
  
   /**
    * Create a new resource adapter
    *
    * @param cmd the connector meta data
    * @throws Exception for any error
    */
   public static ResourceAdapter createResourceAdapter(ConnectorMetaData cmd) throws Exception
   {
      // Determine the resource adapter class
      String className = cmd.getRAClass();
      if (className == null)
         className = DUMMY_RA_CLASS;
     
      // Load the class
      Class raClass = Thread.currentThread().getContextClassLoader().loadClass(className);
      if (ResourceAdapter.class.isAssignableFrom(raClass) == false)
         throw new DeploymentException(raClass.getName() + " is not a resource adapter class");
      ResourceAdapter result = (ResourceAdapter) raClass.newInstance();
     
      // Apply the properties
      ConfigPropertyHandler configPropertyHandler = new ConfigPropertyHandler(result, raClass, "ResourceAdapter: ");
      for (Iterator i = cmd.getProperties().iterator(); i.hasNext();)
      {
         ConfigPropertyMetaData cpmd = (ConfigPropertyMetaData) i.next();
         applyProperty(configPropertyHandler, cpmd, raClass);        
      }
     
      return result;
   }

   private static void applyProperty(ConfigPropertyHandler configPropertyHandler,
                                     ConfigPropertyMetaData cpmd,
                                     Class clz) throws Exception
   {
      try
      {
         configPropertyHandler.handle(cpmd);
      }
      catch (InvocationTargetException e)
      {
         DeploymentException.rethrowAsDeploymentException("Error for resource adapter class " + clz.getName() + " setting property " + cpmd, e.getTargetException());
      }
      catch (Throwable t)
      {
         DeploymentException.rethrowAsDeploymentException("Error for resource adapter class " + clz.getName() + " accessing property setter " + cpmd, t);
      }
   }
}
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