Package com.caucho.jca.program

Source Code of com.caucho.jca.program.ResourceAdapterAssociationProgram

/*
* Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source 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, or any warranty
* of NON-INFRINGEMENT.  See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
*   Free Software Foundation, Inc.
*   59 Temple Place, Suite 330
*   Boston, MA 02111-1307  USA
*
* @author Scott Ferguson;
*/

package com.caucho.jca.program;

import com.caucho.config.*;
import com.caucho.config.inject.InjectManager;
import com.caucho.config.program.*;
import com.caucho.config.xml.XmlConfigContext;
import com.caucho.jca.*;
import com.caucho.jca.ra.ResourceAdapterController;
import com.caucho.jca.ra.ResourceArchive;
import com.caucho.jca.ra.ResourceArchiveManager;
import com.caucho.util.*;

import javax.enterprise.context.spi.CreationalContext;
import javax.resource.spi.*;

/**
* Program to associate a resource adapter
*/
public class ResourceAdapterAssociationProgram extends ConfigProgram {
  private static final L10N L
    = new L10N(ResourceAdapterAssociationProgram.class);

  private final ResourceAdapterController _raController;
 
  /**
   * Creates a resource adapter program based on the class.
   */
  public ResourceAdapterAssociationProgram(Class cl)
  {
    ResourceArchive ra
      = ResourceArchiveManager.findResourceArchive(cl.getName());

    if (ra == null) {
      throw new ConfigException(L.l("'{0}' does not have a defined resource-adapter.  Check the rar or META-INF/resin-ra.xml files",
                                    cl.getName()));
    }

    InjectManager webBeans = InjectManager.create();
   
    _raController
      = webBeans.getReference(ResourceAdapterController.class,
                              Names.create(ra.getResourceAdapterClass().getName()));
   
    if (_raController == null) {
      throw new ConfigException(L.l("'{0}' does not have a configured resource-adapter for '{1}'.",
                                    ra.getResourceAdapterClass().getName(),
                                    cl.getName()));
    }

  }
 
  /**
   * Configures the bean using the current program.
   *
   * @param bean the bean to configure
   * @param env the Config environment
   */
  @Override
  public <T> void inject(T bean, CreationalContext<T> env)
  {
    try {
      ResourceAdapterAssociation association
        = (ResourceAdapterAssociation) bean;

      association.setResourceAdapter(_raController.getResourceAdapter());
    } catch (Exception e) {
      throw ConfigException.create(e);
    }
  }
}
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