127 lines
4.8 KiB
HTML
127 lines
4.8 KiB
HTML
<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE html
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PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html lang="en-us" xml:lang="en-us">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<meta name="security" content="public" />
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<meta name="Robots" content="index,follow" />
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<meta http-equiv="PICS-Label" content='(PICS-1.1 "http://www.icra.org/ratingsv02.html" l gen true r (cz 1 lz 1 nz 1 oz 1 vz 1) "http://www.rsac.org/ratingsv01.html" l gen true r (n 0 s 0 v 0 l 0) "http://www.classify.org/safesurf/" l gen true r (SS~~000 1))' />
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<meta name="DC.Type" content="reference" />
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<meta name="DC.Title" content="Example: Creating a traversable integrated file system tree (File one of three)" />
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<meta name="abstract" content="" />
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<meta name="description" content="" />
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<meta name="copyright" content="(C) Copyright IBM Corporation 2006" />
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<meta name="DC.Rights.Owner" content="(C) Copyright IBM Corporation 2006" />
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<meta name="DC.Format" content="XHTML" />
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<meta name="DC.Identifier" content="filetreeexamplejava" />
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<meta name="DC.Language" content="en-us" />
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<!-- All rights reserved. Licensed Materials Property of IBM -->
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<!-- US Government Users Restricted Rights -->
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<!-- Use, duplication or disclosure restricted by -->
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<!-- GSA ADP Schedule Contract with IBM Corp. -->
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<link rel="stylesheet" type="text/css" href="./ibmdita.css" />
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<link rel="stylesheet" type="text/css" href="./ic.css" />
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<title>Example: Creating a traversable integrated file system tree (File one
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of three)</title>
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</head>
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<body id="filetreeexamplejava"><a name="filetreeexamplejava"><!-- --></a>
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<!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
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<h1 class="topictitle1">Example: Creating a traversable integrated file system tree (File one
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of three)</h1>
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<div><p></p>
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<div class="section"><p>This example code, in conjunction with the code in the other two
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example files, displays an HTMLTree and FileListElement in a servlet. The
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three files in the example are:</p>
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<ul><li>FileTreeExample.java - this file, which generates the HTML frames and
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starts the servlet</li>
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<li><a href="treenavjava.htm#treenavjava">TreeNav.java</a> - builds
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and manages the tree</li>
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<li><a href="treelistjava.htm#treelistjava">TreeList.java</a> - displays
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the contents of selections made in the TreeNav.java class</li>
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</ul>
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<div class="note"><span class="notetitle">Note:</span> Read the <a href="codedisclaimer.htm#codedisclaimer">Code
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example disclaimer</a> for important legal information.</div>
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<pre>///////////////////////////////////////////////////////////////////////////////
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//
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// This source is an example of using the IBM Toolbox for Java HTML package
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// classes, which allow you to easily build HTML and File Trees.
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//
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///////////////////////////////////////////////////////////////////////////////
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import java.io.PrintWriter;
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import java.io.IOException;
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import javax.servlet.*;
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import javax.servlet.http.*;
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import com.ibm.as400.util.html.HTMLMeta;
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//
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// An example of using frames to display an HTMLTree and FileListElement
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// in a servlet.
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//
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public class FileTreeExample extends HttpServlet
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{
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public void init(ServletConfig config)
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throws ServletException
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{
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super.init(config);
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}
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/**
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* Process the GET request.
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* @param req The request.
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* @param res The response.
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**/
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public void doGet (HttpServletRequest req, HttpServletResponse resp)
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throws ServletException, IOException
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{
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resp.setContentType("text/html");
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// Set up two frames. The first, a navigation frame, will display
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// the HTMLTree, which will contain FileTreeElements and allow
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// navigation of the File system. The second frame will display/list
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// the contents of a selected directory from the navigation frame.
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PrintWriter out = resp.getWriter();
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out.println("<html>\n");
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out.println(new HTMLMeta("Expires","Mon, 04 Jan 1990 13:00:00 GMT"));
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out.println("<frameset cols=\"25%,*\">");
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out.println("<frame frameborder=\"5\" src=\"/servlet/TreeNav\" name=\"nav\">");
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out.println("<frame frameborder=\"3\" src=\"/servlet/TreeList\" name=\"list\">");
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out.println("</frameset>");
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out.println("</html>\n");
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out.close();
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}
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/**
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* Process the POST request.
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* @param req The request.
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* @param res The response.
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**/
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public void doPost (HttpServletRequest req, HttpServletResponse res)
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throws ServletException, IOException
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{
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res.setContentType("text/html");
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ServletOutputStream out = res.getOutputStream();
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}
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public void destroy(ServletConfig config)
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{
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// do nothing
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}
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public String getServletInfo()
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{
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return "FileTree Servlet";
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}
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}</pre>
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</div>
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</div>
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</body>
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</html> |