/*
* $Header: /home/cvs/jakarta-tomcat-4.0/webapps/admin/WEB-INF/classes/org/apache/webapp/admin/SetUpTreeAction.java,v 1.6 2002/01/26 20:52:58 manveen Exp $
* $Revision: 1.6 $
* $Date: 2002/01/26 20:52:58 $
*
* ====================================================================
*
* 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", "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"
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* 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.nextime.ion.backoffice.action.content;
import java.io.IOException;
import java.util.ArrayList;
import java.util.StringTokenizer;
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.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionServlet;
import org.nextime.ion.backoffice.action.BaseAction;
import org.nextime.ion.backoffice.tree.TreeBuilder;
import org.nextime.ion.backoffice.tree.TreeControl;
import org.nextime.ion.backoffice.tree.TreeControlNode;
/**
* Test <code>Action</code> sets up tree control data structure
* for tree widget
*
* @author Jazmin Jonson
* @author Manveen Kaur
* @version $Revision: 1.6 $ $Date: 2002/01/26 20:52:58 $
*/
public class SetUpTreeAction extends BaseAction {
public static final int INIT_PLUGIN_MAX = 10;
public static final String TREEBUILDER_KEY = "treebuilders";
public static final String ROOTNODENAME_KEY = "rootnodename";
// --------------------------------------------------------- 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 {
// check if user is correctly logged
checkUser(request);
HttpSession session = request.getSession();
// clean tree
if( request.getParameter("clean")!=null ) {
session.removeAttribute("treeControlTest");
}
if (session.getAttribute("treeControlTest") == null) {
ActionServlet servlet = getServlet();
// Getting init parms from web.xml
// Get the string to be displayed as root node while rendering the tree
String rootnodeName = servlet.getInitParameter("rootNodeName");
String treeBuildersStr =
"org.nextime.ion.backoffice.tree.WcmTreeBuilder";
// Make the root node and tree control
// The root node gets rendered only if its value
// is set as an init-param in web.xml
TreeControlNode root =
new TreeControlNode(
"ROOT-NODE",
"root.gif",
rootnodeName,
"setUpTree.x?select=ROOT-NODE",
"content",
true);
TreeControl control = new TreeControl(root);
if (treeBuildersStr != null) {
Class treeBuilderImpl;
TreeBuilder treeBuilderBase;
ArrayList treeBuilders = new ArrayList(INIT_PLUGIN_MAX);
int i = 0;
StringTokenizer st = new StringTokenizer(treeBuildersStr, ",");
while (st.hasMoreTokens()) {
treeBuilders.add(st.nextToken().trim());
}
if (treeBuilders.size() == 0)
treeBuilders.add(treeBuildersStr.trim());
for (i = 0; i < treeBuilders.size(); i++) {
try {
treeBuilderImpl =
Class.forName((String) treeBuilders.get(i));
treeBuilderBase =
(TreeBuilder) treeBuilderImpl.newInstance();
treeBuilderBase.buildTree(control, servlet, request);
} catch (Throwable t) {
t.printStackTrace(System.out);
}
}
}
session = request.getSession();
session.setAttribute("treeControlTest", control);
String name = request.getParameter("select");
if (name != null) {
control.selectNode(name);
}
}
return (mapping.findForward("view"));
}
}