This example code, in conjunction with the code in the other two example files, displays an HTMLTree and FileListElement in a servlet. The three files in the example are:
///////////////////////////////////////////////////////////////////////// // // This source is an example of using the IBM Toolbox for Java HTML // package classes, which allow you to easily build HTML and File Lists. // IBM grants you a nonexclusive license to use this as an example // from which you can generate similar function tailored to // your own specific needs. // // This sample code is provided by IBM for illustrative purposes // only. These examples have not been thoroughly tested under all // conditions. IBM, therefore, cannot guarantee or imply // reliability, serviceability, or function of these programs. // // All programs contained herein are provided to you "AS IS" // without any warranties of any kind. The implied warranties of // merchantablility and fitness for a particular purpose are // expressly disclaimed. // // IBM Toolbox for Java // (C) Copyright IBM Corp. 1997, 1999 // All rights reserved. // US Government Users Restricted Rights - // Use, duplication, or disclosure restricted // by GSA ADP Schedule Contract with IBM Corp. // ///////////////////////////////////////////////////////////////////////// import java.io.PrintWriter; import java.io.IOException; import com.ibm.as400.access.AS400; import com.ibm.as400.util.html.HTMLMeta; import com.ibm.as400.util.html.HTMLHeading; import com.ibm.as400.util.html.HTMLConstants; import com.ibm.as400.util.html.FileListElement; import javax.servlet.*; import javax.servlet.http.*; // // An example of using the FileListElement class in a servlet. // public class TreeList extends HttpServlet { private AS400 sys_; /** * Process the GET request. * @param req The request. * @param res The response. **/ public void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { resp.setContentType("text/html"); try { PrintWriter out = resp.getWriter(); out.println("<html>\n"); out.println(new HTMLMeta("Expires","Mon, 02 Jan 1990 13:00:00 GMT")); out.println("<body>\n"); // If the path parameter is not null, then the user has // selected an element from the FileTreeElement list in // the navigation frame. if (req.getPathInfo() != null) { // Create a FileListElement passing in an AS400 system // object and the Http servlet request. The request will // contain the necessary path information to list out the // contents of the FileTreeElement (directory) selected. FileListElement fileList = new FileListElement(sys_, req); // Display the FileListElement contents. out.println(fileList.list()); } else // Display this HTMLHeading if no FileTreeElement has been selected. { HTMLHeading heading = new HTMLHeading(1,"An HTML File List Example"); heading.setAlign(HTMLConstants.CENTER); out.println(heading.getTag()); } out.println("</body>\n"); out.println("</html>\n"); out.close(); } catch(Exception e) { e.printStackTrace(); } } /** * Process the POST request. * @param req The request. * @param res The response. **/ public void doPost (HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException { res.setContentType("text/html"); ServletOutputStream out = res.getOutputStream(); } public void init(ServletConfig config) throws ServletException { super.init(config); // Create an AS400 object. sys_ = new AS400("mySystem", "myUserID", "myPassword"); } }