[openejb-scm] openejb/modules/core/src/java/org/openejb/proxy EJBProxyReference.java

[dain]

dain        2005/01/21 15:18:38

  Added:       modules/core/src/java/org/openejb/proxy
                        EJBProxyReference.java
  Log:

  Forgot this one also
  
  Revision  Changes    Path
  1.1                  
openejb/modules/core/src/java/org/openejb/proxy/EJBProxyReference.java
  
  Index: EJBProxyReference.java
  ===================================================================
  /* ====================================================================
   * Redistribution and use of this software and associated documentation
   * ("Software"), with or without modification, are permitted provided
   * that the following conditions are met:
   *
   * 1. Redistributions of source code must retain copyright
   *    statements and notices.  Redistributions must also contain a
   *    copy of this document.
   *
   * 2. Redistributions in binary form must reproduce this list of
   *    conditions and the following disclaimer in the documentation
   *    and/or other materials provided with the distribution.
   *
   * 3. The name "OpenEJB" must not be used to endorse or promote
   *    products derived from this Software without prior written
   *    permission of The OpenEJB Group.  For written permission,
   *    please contact [EMAIL PROTECTED]
   *
   * 4. Products derived from this Software may not be called "OpenEJB"
   *    nor may "OpenEJB" appear in their names without prior written
   *    permission of The OpenEJB Group. OpenEJB is a registered
   *    trademark of The OpenEJB Group.
   *
   * 5. Due credit should be given to the OpenEJB Project
   *    (http://openejb.org/).
   *
   * THIS SOFTWARE IS PROVIDED BY THE OPENEJB GROUP AND CONTRIBUTORS
   * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
   * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
   * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
   * THE OPENEJB GROUP OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
   * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
   * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
   * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
   * OF THE POSSIBILITY OF SUCH DAMAGE.
   *
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the OpenEJB Project.  For more information
   * please see <http://openejb.org/>.
   *
   * ====================================================================
   */
  package org.openejb.proxy;
  
  import org.apache.geronimo.naming.reference.SimpleAwareReference;
  
  /**
   * @version $Revision: 1.1 $ $Date: 2005/01/21 20:18:38 $
   */
  public class EJBProxyReference extends SimpleAwareReference {
      public static EJBProxyReference createRemote(String containerId, boolean 
sessionBean, String remoteInterfaceName, String homeInterfaceName) {
          return new EJBProxyReference(containerId, sessionBean, 
remoteInterfaceName, homeInterfaceName, null, null, false);
      }
  
      public static EJBProxyReference createLocal(String containerId, boolean 
sessionBean, String localInterfaceName, String localHomeInterfaceName) {
          return new EJBProxyReference(containerId, sessionBean, null, null, 
localInterfaceName, localHomeInterfaceName, true);
      }
  
      private final String containerId;
      private final boolean isSessionBean;
      private final String remoteInterfaceName;
      private final String homeInterfaceName;
      private final String localInterfaceName;
      private final String localHomeInterfaceName;
      private final boolean isLocal;
  
      private transient EJBProxyFactory proxyFactory;
  
      private EJBProxyReference(String containerId, boolean sessionBean, String 
remoteInterfaceName, String homeInterfaceName, String localInterfaceName, 
String localHomeInterfaceName, boolean local) {
          this.containerId = containerId;
          isSessionBean = sessionBean;
          this.remoteInterfaceName = remoteInterfaceName;
          this.homeInterfaceName = homeInterfaceName;
          this.localInterfaceName = localInterfaceName;
          this.localHomeInterfaceName = localHomeInterfaceName;
          isLocal = local;
      }
  
      public Object getContent() {
          EJBProxyFactory proxyFactory = getEJBProxyFactory();
          if (isLocal) {
              return proxyFactory.getEJBLocalHome();
          } else {
              return proxyFactory.getEJBHome();
          }
      }
  
      private EJBProxyFactory getEJBProxyFactory() {
          if (proxyFactory == null) {
              ClassLoader cl = getClassLoader();
              Class remoteInterface = loadClass(cl, remoteInterfaceName);
              Class homeInterface = loadClass(cl, homeInterfaceName);
              Class localInterface = loadClass(cl, localInterfaceName);
              Class localHomeInterface = loadClass(cl, localHomeInterfaceName);
  
              proxyFactory = new EJBProxyFactory(containerId,
                      isSessionBean,
                      remoteInterface,
                      homeInterface,
                      localInterface,
                      localHomeInterface);
          }
          return proxyFactory;
      }
  
      private Class loadClass(ClassLoader cl, String name) {
          if (name == null) {
              return null;
          }
          try {
              return cl.loadClass(name);
          } catch (ClassNotFoundException e) {
              throw new IllegalStateException("ejb" + (isLocal ? "-local" : "") 
+ "-ref class not found: " + name);
          }
      }
  
      public String getContainerId() {
          return containerId;
      }
  }