| /* |
| * Copyright 2001,2004 The Apache Software Foundation. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| |
| package org.apache.webapp.admin; |
| |
| |
| import java.io.IOException; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Locale; |
| import java.util.StringTokenizer; |
| import java.util.ArrayList; |
| 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; |
| |
| |
| /** |
| * Test <code>Action</code> sets up tree control data structure |
| * for tree widget |
| * |
| * @author Jazmin Jonson |
| * @author Manveen Kaur |
| * @version $Revision$ $Date$ |
| */ |
| |
| public class SetUpTreeAction extends Action { |
| |
| public static final String DOMAIN_KEY = "domain"; |
| 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 execute(ActionMapping mapping, |
| ActionForm form, |
| HttpServletRequest request, |
| HttpServletResponse response) |
| throws IOException, ServletException { |
| |
| ApplicationServlet servlet = (ApplicationServlet)getServlet(); |
| |
| // Getting init parms from web.xml |
| |
| // Get the string to be displayed as root node while rendering the tree |
| String rootnodeName = |
| (String)servlet.getServletConfig().getInitParameter(ROOTNODENAME_KEY); |
| |
| String treeBuildersStr = |
| (String)servlet.getServletConfig().getInitParameter(TREEBUILDER_KEY); |
| |
| String domain = |
| (String)servlet.getServletConfig().getInitParameter(DOMAIN_KEY); |
| |
| |
| // 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", |
| null, rootnodeName, |
| "setUpTree.do?select=ROOT-NODE", |
| "content", true, domain); |
| |
| 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); |
| } |
| } |
| } |
| |
| HttpSession session = request.getSession(); |
| session.setAttribute("treeControlTest", control); |
| |
| String name = request.getParameter("select"); |
| if (name != null) { |
| control.selectNode(name); |
| // Forward back to the Blank page |
| return (mapping.findForward("Blank")); |
| } |
| |
| return (mapping.findForward("Tree Control Test")); |
| |
| } |
| } |