001: /*
002: * $Header$
003: * $Revision: 5432 $
004: * $Date: 2004-09-15 12:19:51 +0000 (Wed, 15 Sep 2004) $
005: *
006: * ====================================================================
007: *
008: * The Apache Software License, Version 1.1
009: *
010: * Copyright (c) 2001 The Apache Software Foundation. All rights
011: * reserved.
012: *
013: * Redistribution and use in source and binary forms, with or without
014: * modification, are permitted provided that the following conditions
015: * are met:
016: *
017: * 1. Redistributions of source code must retain the above copyright
018: * notice, this list of conditions and the following disclaimer.
019: *
020: * 2. Redistributions in binary form must reproduce the above copyright
021: * notice, this list of conditions and the following disclaimer in
022: * the documentation and/or other materials provided with the
023: * distribution.
024: *
025: * 3. The end-user documentation included with the redistribution, if
026: * any, must include the following acknowlegement:
027: * "This product includes software developed by the
028: * Apache Software Foundation (http://www.apache.org/)."
029: * Alternately, this acknowlegement may appear in the software itself,
030: * if and wherever such third-party acknowlegements normally appear.
031: *
032: * 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
033: * Foundation" must not be used to endorse or promote products derived
034: * from this software without prior written permission. For written
035: * permission, please contact apache@apache.org.
036: *
037: * 5. Products derived from this software may not be called "Apache"
038: * nor may "Apache" appear in their names without prior written
039: * permission of the Apache Group.
040: *
041: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
042: * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
043: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
044: * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
045: * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
046: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
047: * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
048: * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
049: * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
050: * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
051: * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
052: * SUCH DAMAGE.
053: * ====================================================================
054: *
055: * This software consists of voluntary contributions made by many
056: * individuals on behalf of the Apache Software Foundation. For more
057: * information on the Apache Software Foundation, please see
058: * <http://www.apache.org/>.
059: *
060: */
061:
062: package org.objectweb.jonas.webapp.jonasadmin;
063:
064: import java.io.IOException;
065: import java.util.ArrayList;
066: import java.util.StringTokenizer;
067:
068: import javax.servlet.ServletException;
069: import javax.servlet.http.HttpServletRequest;
070: import javax.servlet.http.HttpServletResponse;
071: import javax.servlet.http.HttpSession;
072:
073: import org.apache.struts.action.Action;
074: import org.apache.struts.action.ActionForm;
075: import org.apache.struts.action.ActionForward;
076: import org.apache.struts.action.ActionMapping;
077: import org.apache.struts.action.ActionServlet;
078: import org.objectweb.jonas.webapp.taglib.TreeBuilder;
079: import org.objectweb.jonas.webapp.taglib.TreeControl;
080: import org.objectweb.jonas.webapp.taglib.TreeControlNode;
081:
082: /**
083: * Test <code>Action</code> sets up tree control data structure
084: * for tree widget
085: *
086: * @author Jazmin Jonson
087: * @author Manveen Kaur
088: * @author Florent Benoit (changes for struts 1.2.2)
089: * @version $Revision: 5432 $ $Date: 2004-09-15 12:19:51 +0000 (Wed, 15 Sep 2004) $
090: */
091:
092: public class SetUpTreeAction extends Action {
093:
094: public static final int INIT_PLUGIN_MAX = 10;
095: public static final String TREEBUILDER_KEY = "treebuilders";
096: public static final String ROOTNODENAME_KEY = "rootnodename";
097:
098: // --------------------------------------------------------- Public Methods
099:
100: /**
101: * Process the specified HTTP request, and create the corresponding HTTP
102: * response (or forward to another web component that will create it).
103: * Return an <code>ActionForward</code> instance describing where and how
104: * control should be forwarded, or <code>null</code> if the response has
105: * already been completed.
106: *
107: * @param mapping The ActionMapping used to select this instance
108: * @param actionForm The optional ActionForm bean for this request (if any)
109: * @param request The HTTP request we are processing
110: * @param response The HTTP response we are creating
111: *
112: * @exception IOException if an input/output error occurs
113: * @exception ServletException if a servlet exception occurs
114: */
115: public ActionForward execute(ActionMapping mapping,
116: ActionForm form, HttpServletRequest request,
117: HttpServletResponse response) throws IOException,
118: ServletException {
119:
120: //ApplicationServlet servlet = (ApplicationServlet) getServlet();
121: ActionServlet servlet = (ActionServlet) getServlet();
122:
123: // Getting init parms from web.xml
124:
125: // Get the string to be displayed as root node while rendering the tree
126: String rootnodeName = (String) servlet.getServletConfig()
127: .getInitParameter(ROOTNODENAME_KEY);
128:
129: String treeBuildersStr = (String) servlet.getServletConfig()
130: .getInitParameter(TREEBUILDER_KEY);
131:
132: // Make the root node and tree control
133:
134: // The root node gets rendered only if its value
135: // is set as an init-param in web.xml
136:
137: TreeControlNode root = new TreeControlNode("ROOT-NODE", null,
138: rootnodeName, "setUpTree.do?select=ROOT-NODE",
139: "content", true);
140:
141: TreeControl control = new TreeControl(root);
142:
143: if (treeBuildersStr != null) {
144: Class treeBuilderImpl;
145: TreeBuilder treeBuilderBase;
146:
147: ArrayList treeBuilders = new ArrayList(INIT_PLUGIN_MAX);
148: int i = 0;
149: StringTokenizer st = new StringTokenizer(treeBuildersStr,
150: ",");
151: while (st.hasMoreTokens()) {
152: treeBuilders.add(st.nextToken().trim());
153: }
154:
155: if (treeBuilders.size() == 0) {
156: treeBuilders.add(treeBuildersStr.trim());
157: }
158: for (i = 0; i < treeBuilders.size(); i++) {
159: try {
160: treeBuilderImpl = Class
161: .forName((String) treeBuilders.get(i));
162: treeBuilderBase = (TreeBuilder) treeBuilderImpl
163: .newInstance();
164: treeBuilderBase
165: .buildTree(control, servlet, request);
166: } catch (Throwable t) {
167: t.printStackTrace(System.out);
168: }
169: }
170: }
171:
172: HttpSession session = request.getSession();
173: session.setAttribute("treeControl", control);
174:
175: WhereAreYou oWhere = (WhereAreYou) session
176: .getAttribute(WhereAreYou.SESSION_NAME);
177: oWhere.setTreeControl(control);
178:
179: String name = request.getParameter("select");
180: if (name != null) {
181: control.selectNode(name);
182: // Forward back to the Blank page
183: return (mapping.findForward("Blank"));
184: }
185:
186: return (mapping.findForward("Tree"));
187:
188: }
189: }
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