[Babeldoc-devel] babeldoc/modules/core/src/com/babeldoc/core IShutdownListener.java,NONE,1.1 BabeldocCommand.java,1.15,1.16 EnvironmentLoader.java,1.9,1.10

[<tr...@us...>]

Update of /cvsroot/babeldoc/babeldoc/modules/core/src/com/babeldoc/core
In directory sc8-pr-cvs1:/tmp/cvs-serv28668/src/com/babeldoc/core

Modified Files:
	BabeldocCommand.java EnvironmentLoader.java 
Added Files:
	IShutdownListener.java 
Log Message:
Added the shutdown listener framework.  Classes that want to be told when babeldoc is about to be shutdown implement the IShutdownListener and call EnvironmentLoader.addShutdownListener.

--- NEW FILE: IShutdownListener.java ---
/* ====================================================================
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 2000 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 acknowledgment:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Apache" 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 ap...@ap....
 *
 * 5. Products derived from this software may not be called "Apache",
 *    nor may "Apache" appear in their name, without prior written
 *    permission of the Apache Software Foundation.
 *
 * 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/>.
 *
 * Portions of this software are based upon public domain software
 * originally written at the National Center for Supercomputing Applications,
 * University of Illinois, Urbana-Champaign.
 * ====================================================================
 *
 * Babeldoc:  The Universal Document Processor
 *
 * $Header: /cvsroot/babeldoc/babeldoc/modules/core/src/com/babeldoc/core/IShutdownListener.java,v 1.1 2003/08/12 00:28:29 triphop Exp $
 * $DateTime$
 * $Author: triphop $
 *
 */
package com.babeldoc.core;

/**
 * This interface can be implemented by all classes that need to be told about
 * when babeldoc is about to stutdown.  All services, etc that what to be called when
 * babeldoc is about to be shutdown, need to implement this interface and then call the
 * EnvironmentLoader.addShutdownListener method with 'this'.
 *
 * @author bmcdonald
 * @version 1.1
 */
public interface IShutdownListener {
  /**
   * Callback method from the loader to signal that the babeldoc
   * wants to shutdown.  Please finalize, etc.
   */
  public void shutdown();
}

Index: BabeldocCommand.java
===================================================================
RCS file: /cvsroot/babeldoc/babeldoc/modules/core/src/com/babeldoc/core/BabeldocCommand.java,v
retrieving revision 1.15
retrieving revision 1.16
diff -C2 -d -r1.15 -r1.16
*** BabeldocCommand.java	7 Aug 2003 18:29:21 -0000	1.15
--- BabeldocCommand.java	12 Aug 2003 00:28:29 -0000	1.16
***************
*** 174,178 ****
  		};
  		execute(commandLine);
! 		
  	}
  
--- 174,178 ----
  		};
  		execute(commandLine);
!     EnvironmentLoader.shutdown();
  	}
  
***************
*** 300,304 ****
  	 */
  	protected void setup() {
! 		com.babeldoc.core.EnvironmentLoader.loadEnvironment();
  	}
  }
--- 300,304 ----
  	 */
  	protected void setup() {
! 		EnvironmentLoader.loadEnvironment();
  	}
  }

Index: EnvironmentLoader.java
===================================================================
RCS file: /cvsroot/babeldoc/babeldoc/modules/core/src/com/babeldoc/core/EnvironmentLoader.java,v
retrieving revision 1.9
retrieving revision 1.10
diff -C2 -d -r1.9 -r1.10
*** EnvironmentLoader.java	19 Jul 2003 15:32:27 -0000	1.9
--- EnvironmentLoader.java	12 Aug 2003 00:28:29 -0000	1.10
***************
*** 75,78 ****
--- 75,79 ----
  import java.util.Iterator;
  import java.util.StringTokenizer;
+ import java.util.Collection;
  
  
***************
*** 100,103 ****
--- 101,106 ----
    private static boolean envLoaded = false;
  
+   private static Collection shutdownListeners;
+ 
    /**
     * Get a copy of the the search paths.
***************
*** 151,154 ****
--- 154,182 ----
        String value = config.getString(key);
        System.setProperty(key, value);
+     }
+   }
+ 
+   /**
+    * Add a shutdown listener to the list of listeners that need to be told about
+    * babeldoc shuting down.
+    *
+    * @param listener
+    */
+   public static synchronized void addShutdownListener(IShutdownListener listener) {
+     if(shutdownListeners==null) {
+       shutdownListeners = new ArrayList();
+     }
+     shutdownListeners.add(listener);
+   }
+ 
+   /**
+    * Shutdown babeldoc - call all of the listeners shutdown method.
+    */
+   public static synchronized void shutdown() {
+     if(shutdownListeners!=null) {
+       for (Iterator iterator = shutdownListeners.iterator(); iterator.hasNext();) {
+         IShutdownListener iShutdownListener = (IShutdownListener) iterator.next();
+         iShutdownListener.shutdown();
+       }
      }
    }