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From r...@apache.org
Subject cvs commit: jakarta-tomcat-4.0/catalina/src/share/org/apache/naming/factory ResourceLinkFactory.java
Date Thu, 08 Nov 2001 19:33:20 GMT
remm        01/11/08 11:33:20

  Added:       catalina/src/share/org/apache/naming/factory
                        ResourceLinkFactory.java
  Log:
  - Add the object factory for resource link references.
  
  Revision  Changes    Path
  1.1                  jakarta-tomcat-4.0/catalina/src/share/org/apache/naming/factory/ResourceLinkFactory.java
  
  Index: ResourceLinkFactory.java
  ===================================================================
  /*
   * $Header: /home/cvs/jakarta-tomcat-4.0/catalina/src/share/org/apache/naming/factory/ResourceLinkFactory.java,v
1.1 2001/11/08 19:33:20 remm Exp $
   * $Revision: 1.1 $
   * $Date: 2001/11/08 19:33:20 $
   *
   * ====================================================================
   *
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 1999 The Apache Software Foundation.  All rights 
   * reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer. 
   *
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *
   * 3. The end-user documentation included with the redistribution, if
   *    any, must include the following acknowlegement:  
   *       "This product includes software developed by the 
   *        Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowlegement may appear in the software itself,
   *    if and wherever such third-party acknowlegements normally appear.
   *
   * 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
   *    Foundation" must not be used to endorse or promote products derived
   *    from this software without prior written permission. For written 
   *    permission, please contact apache@apache.org.
   *
   * 5. Products derived from this software may not be called "Apache"
   *    nor may "Apache" appear in their names without prior written
   *    permission of the Apache Group.
   *
   * THIS SOFTWARE IS PROVIDED ``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 APACHE SOFTWARE FOUNDATION 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 Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   *
   * [Additional notices, if required by prior licensing conditions]
   *
   */ 
  
  
  package org.apache.naming.factory;
  
  import java.util.Hashtable;
  import java.sql.Driver;
  import java.sql.DriverManager;
  import javax.naming.Name;
  import javax.naming.Context;
  import javax.naming.NamingException;
  import javax.naming.Reference;
  import javax.naming.RefAddr;
  import javax.naming.spi.ObjectFactory;
  import org.apache.naming.ResourceLinkRef;
  
  
  /**
   * <p>Object factory for resource links.</p>
   * 
   * @author Remy Maucherat
   * @version $Revision: 1.1 $ $Date: 2001/11/08 19:33:20 $
   */
  
  public class ResourceLinkFactory
      implements ObjectFactory {
  
  
      // ----------------------------------------------------------- Constructors
  
  
      // ------------------------------------------------------- Static Variables
  
  
      /**
       * Global naming context.
       */
      private static Context globalContext = null;
  
  
      // --------------------------------------------------------- Public Methods
  
  
      /**
       * Set the global context (note: can only be used once).
       * 
       * @param newGlobalContext new global context value
       */
      public static void setGlobalContext(Context newGlobalContext) {
          if (globalContext != null)
              return;
          globalContext = newGlobalContext;
      }
  
  
      // -------------------------------------------------- ObjectFactory Methods
  
  
      /**
       * Create a new DataSource instance.
       * 
       * @param obj The reference object describing the DataSource
       */
      public Object getObjectInstance(Object obj, Name name, Context nameCtx,
                                      Hashtable environment)
          throws NamingException {
          
          if (!(obj instanceof ResourceLinkRef))
              return null;
  
          // Can we process this request?
          Reference ref = (Reference) obj;
  
          String type = ref.getClassName();
  
          // Read the global ref addr
          String globalName = null;
          RefAddr refAddr = ref.get(ResourceLinkRef.GLOBALNAME);
          if (refAddr != null) {
              globalName = refAddr.getContent().toString();
              Object result = globalContext.lookup(globalName);
              // FIXME: Check type
              return result;
          }
  
          return (null);
  
          
      }
  
  
  }
  
  
  

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