84 lines
2.6 KiB
HTML
84 lines
2.6 KiB
HTML
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<html>
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<head>
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<META http-equiv="Content-Type" content="text/html; charset=utf-8">
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<LINK rel="stylesheet" type="text/css" href="../../../rzahg/ic.css">
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<title>Example: HTTPS servlet</title>
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</head>
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<BODY>
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<!-- Java sync-link -->
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<SCRIPT LANGUAGE="Javascript" SRC="../../../rzahg/synch.js" TYPE="text/javascript"></SCRIPT>
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<h6><a name="sechttpsex"></a>Example: HTTPS servlet</h6>
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<pre>/*
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* This material contains programming source code for your
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* consideration. These examples have not been thoroughly
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* tested under all conditions. IBM, therefore, cannot
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* guarantee or imply reliability, serviceability, or function
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* of these program. All programs contained herein are
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* provided to you "AS IS". THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* ARE EXPRESSLY DISCLAIMED. IBM provides no program services for
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* these programs and files.
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*/
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import java.io.DataInputStream;
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import java.security.*;
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import java.net.URLConnection;
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import java.net.URL;
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import java.net.URLDecoder;
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import java.io.PrintWriter;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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public class HttpsSampleServlet extends HttpServlet
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{
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public void doGet(HttpServletRequest req, HttpServletResponse res) {
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res.setContentType("text/html");
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// url passed in as browser query string
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String url = req.getParameter("httpsURL");
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if (null != url)
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url = URLDecoder.decode(url);
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else {
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// url passed in as servlet init parameter
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url = getInitParameter("httpsURL");
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}
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URLConnection conn = null;
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URL connectURL = null;
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// send result to the caller
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try {
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PrintWriter out = res.getWriter();
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if (null == url || url.length() == 0) {
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out.println("No Https URL provided to retrieve");
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}
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else {
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connectURL = new URL(url);
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conn = connectURL.openConnection();
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DataInputStream theHTML = new DataInputStream(conn.getInputStream());
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String thisLine;
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while ((thisLine = theHTML.readLine()) != null) {
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out.println(thisLine);
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}
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}
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out.flush();
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out.close();
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}
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catch (Exception e) {
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System.out.println("Exception in HttpsSampleServlet: " + e.getMessage());
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e.printStackTrace();
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}
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}//end goGet(...)
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}//end class</pre>
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</body>
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</html>
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