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From manv...@apache.org
Subject cvs commit: jakarta-tomcat-4.0/webapps/admin/WEB-INF/classes/org/apache/webapp/admin CommitChangesAction.java
Date Thu, 02 May 2002 23:50:51 GMT
manveen     02/05/02 16:50:51

  Added:       webapps/admin/WEB-INF/classes/org/apache/webapp/admin
                        CommitChangesAction.java
  Log:
  Action class that implements the store/commit changes to server.xml
  
  Revision  Changes    Path
  1.1                  jakarta-tomcat-4.0/webapps/admin/WEB-INF/classes/org/apache/webapp/admin/CommitChangesAction.java
  
  Index: CommitChangesAction.java
  ===================================================================
  /*
   * $Header: /home/cvs/jakarta-tomcat-4.0/webapps/admin/WEB-INF/classes/org/apache/webapp/admin/CommitChangesAction.java,v
1.1 2002/05/02 23:50:51 manveen Exp $
   * $Revision: 1.1 $
   * $Date: 2002/05/02 23:50:51 $
   *
   * ====================================================================
   *
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 2001 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", "Struts", 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/>.
   *
   */
  
  
  package org.apache.webapp.admin;
  
  
  import java.io.IOException;
  import java.util.Iterator;
  import java.util.List;
  import java.util.Locale;
  import javax.servlet.ServletException;
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  import javax.servlet.http.HttpSession;
  import org.apache.struts.action.Action;
  import org.apache.struts.action.ActionErrors;
  import org.apache.struts.action.ActionForm;
  import org.apache.struts.action.ActionForward;
  import org.apache.struts.action.ActionMapping;
  
  import org.apache.struts.util.MessageResources;
  
  import javax.management.MBeanServer;
  import javax.management.ObjectInstance;
  import javax.management.ObjectName;
  import javax.management.JMException;
  
  /**
   * Implementation of <strong>Action</strong> that saves the current settings
   * and writes them out to server.xml
   *
   * @author Manveen Kaur
   * @version $Revision: 1.1 $ $Date: 2002/05/02 23:50:51 $
   */
  
  public final class CommitChangesAction extends Action {
  
      /**
       * The MBeanServer we will be interacting with.
       */
      private MBeanServer mBServer = null;
  
      /**
       * The MessageResources we will be retrieving messages from.
       */
      private MessageResources resources = null;
  
      // --------------------------------------------------------- Public Methods
  
  
      /**
       * Process the specified HTTP request, and create the corresponding HTTP
       * response (or forward to another web component that will create it).
       * Return an <code>ActionForward</code> instance describing where and how
       * control should be forwarded, or <code>null</code> if the response has
       * already been completed.
       *
       * @param mapping The ActionMapping used to select this instance
       * @param actionForm The optional ActionForm bean for this request (if any)
       * @param request The HTTP request we are processing
       * @param response The HTTP response we are creating
       *
       * @exception IOException if an input/output error occurs
       * @exception ServletException if a servlet exception occurs
       */
      public ActionForward perform(ActionMapping mapping,
                                   ActionForm form,
                                   HttpServletRequest request,
                                   HttpServletResponse response)
          throws IOException, ServletException {
  
          // save to server.xml        
          // Acquire a reference to the MBeanServer containing our MBeans
          try {
              mBServer = ((ApplicationServlet) getServlet()).getServer();
          } catch (Throwable t) {
              throw new ServletException
              ("Cannot acquire MBeanServer reference", t);
          }
  
         // Acquire the resources that we need
          HttpSession session = request.getSession();
          Locale locale = (Locale) session.getAttribute(Action.LOCALE_KEY);
          if (resources == null) {
              resources = getServlet().getResources();
          }
          
  
          // Invalidate the current session and create a new one
          //HttpSession session = request.getSession();
          //session.invalidate();
          //session = request.getSession(true);
  
          ObjectName sname = null;    
          try {
             sname = new ObjectName(TomcatTreeBuilder.SERVER_TYPE);
          } catch (Exception e) {
              String message = "Could not get Server Object";
              getServlet().log(message);
              response.sendError(HttpServletResponse.SC_BAD_REQUEST, message);
              return (null);
          }
  
         String operation = "store";
         try {           
              mBServer.invoke(sname, operation, null, null);            
          } catch (Throwable t) {
              getServlet().log
              (resources.getMessage(locale, "users.error.invoke",
                                    operation), t);
              response.sendError
                  (HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
                  resources.getMessage(locale, "users.error.invoke",
                                       operation));
              return (null);            
          }
   
          //FIX ME-- just a message for debugging
          System.out.println("Debugging-- changes written to conf/server.xml.new");
          // Forward control back to the banner
          return (mapping.findForward("Banner"));
  
      }
  
  
  }
  
  
  

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