cedric 2003/03/21 16:31:09
Added: src/tiles-documentation/org/apache/struts/webapp/tiles/test
NoForward.java
Log:
Add new examples showing how to avoid the first forward.
This allow to have the original URI instead of the Tiles layout URI
when using request.getRequestContext().
Revision Changes Path
1.1
jakarta-struts/src/tiles-documentation/org/apache/struts/webapp/tiles/test/NoForward.java
Index: NoForward.java
===================================================================
/*
* $Header:
/home/cvs/jakarta-struts/src/tiles-documentation/org/apache/struts/webapp/tiles/test/NoForward.java,v
1.1 2003/03/22 00:31:09 cedric Exp $
* $Revision: 1.1 $
* $Date: 2003/03/22 00:31:09 $
*
* ====================================================================
*
* The Apache Software License, Version 1.1
*
* Copyright (c) 1999-2002 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 [EMAIL PROTECTED]
*
* 5. Products derived from this software may not be called "Apache"
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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package org.apache.struts.webapp.tiles.test;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.tiles.ComponentContext;
import org.apache.struts.tiles.ComponentDefinition;
/**
* Implementation of <strong>Action</strong> that create a TileContext in order
* to force the TilesRequestProcessor to do an include instead of a forward.
* The side effect is that request.getRequestURI will return the URL of the
* calling struts action instead of the URL of the tiles layout.
* See the jsp documentation to understand why.
* Usage:
* use this action in conjunction with an action declaration in struts config.
* The action declaration should have one "success" forward to a Tile.
* <pre>
* <action path="/showRequestURI"
* type="org.apache.struts.webapp.tiles.test.NoForward">
* <forward name="success" path="test.action.noforward"/>
* </action>
* </pre>
* @author Cedric Dumoulin
* @version $Revision: 1.1 $ $Date: 2003/03/22 00:31:09 $
*/
public final class NoForward extends Action {
// --------------------------------------------------------- Public Methods
/**
*
* @param mapping The ActionMapping used to select this instance
* @param form 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 Exception if the application business logic throws
* an exception
* @since Struts 1.1
*/
public ActionForward execute(ActionMapping mapping,
ActionForm form,
HttpServletRequest request,
HttpServletResponse response)
throws Exception {
// Try to retrieve tile context
ComponentContext context = ComponentContext.getContext( request );
if( context == null )
{ // Not found, create a context
// This context will be detected by the TilesRequestProcessor which will do
an include
// instead of a forward.
ComponentContext tileContext = new ComponentContext( );
ComponentContext.setContext( tileContext, request);
}
return (mapping.findForward("success"));
}
}
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