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From j...@apache.org
Subject cvs commit: incubator-geronimo/modules/web/src/java/org/apache/geronimo/web/deploy RemoveWebApplication.java
Date Sun, 05 Oct 2003 01:39:48 GMT
janb        2003/10/04 18:39:48

  Added:       modules/web/src/java/org/apache/geronimo/web/deploy
                        RemoveWebApplication.java
  Log:
  Task to handle removal of a webapp from it's containment hierarchy as part of undeploy
  
  Revision  Changes    Path
  1.1                  incubator-geronimo/modules/web/src/java/org/apache/geronimo/web/deploy/RemoveWebApplication.java
  
  Index: RemoveWebApplication.java
  ===================================================================
  /* ====================================================================
  * The Apache Software License, Version 1.1
  *
  * Copyright (c) 2003 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" and
  *    "Apache Geronimo" 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",
  *    "Apache Geronimo", 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/>.
  *
  * ====================================================================
  */
  
  
  package org.apache.geronimo.web.deploy;
  
  import javax.management.MBeanServer;
  
  import org.apache.commons.logging.Log;
  import org.apache.commons.logging.LogFactory;
  import org.apache.geronimo.kernel.deployment.DeploymentException;
  import org.apache.geronimo.kernel.deployment.task.DeploymentTask;
  import org.apache.geronimo.web.WebApplication;
  import org.apache.geronimo.web.WebContainer;
  
  /* --------------------------------------------------------------------------------------
*/
  /**
   * RemoveWebApplication
   * 
   * 
   * @version $Revision: 1.1 $ $Date: 2003/10/05 01:39:48 $
   */
  public class RemoveWebApplication implements DeploymentTask
  {
      private Log log = LogFactory.getLog (RemoveWebApplication.class);
      private MBeanServer server;
      private WebContainer container;
      private WebApplication webapp;
  
      public RemoveWebApplication ( MBeanServer server, WebContainer container, WebApplication
webapp)
      {
          this.server = server;
          this.container = container;
          this.webapp = webapp;
      }
      
      
      /* --------------------------------------------------------------------------------------
*/
      /* Check if it is ok to remove the webapp from the container
       * @return
       * @throws DeploymentException
       * @see org.apache.geronimo.kernel.deployment.task.DeploymentTask#canRun()
       */
      public boolean canRun() throws DeploymentException
      {
          
          if (container == null)
          {
              log.debug ("Container==null");
              return false;
          }
              
              
          if (webapp == null)
          {
              log.debug ("webapp==null");
              return false;
          }
              
          
          log.debug ("RemoveWebApplication task can run");    
          return true;    
      }
  
      /* --------------------------------------------------------------------------------------
*/
      /* Perform the removal of the webapp from the container
       * @throws DeploymentException
       * @see org.apache.geronimo.kernel.deployment.task.DeploymentTask#perform()
       */
      public void perform() throws DeploymentException
      {
          try
          {
              log.debug ("Performing removal of webapp");
              container.removeComponent(webapp);               
          }
          catch (Exception e)
          {
              log.debug ("Error removing webapp from container", e);
              throw new DeploymentException (e);
          }
      }
  
  
      /* --------------------------------------------------------------------------------------
*/
      /* Undo the removal of the webapp.
       * This could cause problems potentially??
       * @see org.apache.geronimo.kernel.deployment.task.DeploymentTask#undo()
       */
      public void undo()
      {
          //this could be dodgy????
          try
          {
              log.info ("Undo called on remove web app");
              container.addComponent(webapp);
          }
          catch (Exception e)
          {
              log.error("Problem undoing removal of webapp from container", e);
          }
      }
  
  }
  
  
  

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