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1 /* ==================================================================== 2 * The Apache Software License, Version 1.1 3 * 4 * Copyright (c) 2000 The Apache Software Foundation. All rights 5 * reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in 16 * the documentation and/or other materials provided with the 17 * distribution. 18 * 19 * 3. The end-user documentation included with the redistribution, 20 * if any, must include the following acknowledgment: 21 * "This product includes software developed by the 22 * Apache Software Foundation (http://www.apache.org/)." 23 * Alternately, this acknowledgment may appear in the software itself, 24 * if and wherever such third-party acknowledgments normally appear. 25 * 26 * 4. The names "Apache" and "Apache Software Foundation" must 27 * not be used to endorse or promote products derived from this 28 * software without prior written permission. For written 29 * permission, please contact apache@apache.org. 30 * 31 * 5. Products derived from this software may not be called "Apache", 32 * nor may "Apache" appear in their name, without prior written 33 * permission of the Apache Software Foundation. 34 * 35 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED 36 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 37 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 38 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR 39 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 40 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 41 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 42 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 43 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 44 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 45 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 46 * SUCH DAMAGE. 47 * ==================================================================== 48 * 49 * This software consists of voluntary contributions made by many 50 * individuals on behalf of the Apache Software Foundation. For more 51 * information on the Apache Software Foundation, please see 52 * <http://www.apache.org/>;. 53 * 54 * Portions of this software are based upon public domain software 55 * originally written at the National Center for Supercomputing Applications, 56 * University of Illinois, Urbana-Champaign. 57 */ 58 59 package org.troublescope.web; 60 61 import javax.servlet.http.HttpServlet; 62 import javax.servlet.http.HttpServletRequest; 63 import javax.servlet.http.HttpServletResponse; 64 65 /*** 66 * Servlet used to serve up the JNLP file to start the TroubleScope client. 67 * 68 * @author Calvin Yu 69 */ 70 public class TSClientServlet extends HttpServlet 71 { 72 73 /*** 74 * Handle a GET request. 75 */ 76 public void doGet(HttpServletRequest req, HttpServletResponse resp) 77 { 78 process(req, resp); 79 } 80 81 /*** 82 * Handle a PUT request. 83 */ 84 public void doPut(HttpServletRequest req, HttpServletResponse resp) 85 { 86 process(req, resp); 87 } 88 89 /*** 90 * Process a request. 91 */ 92 protected void process(HttpServletRequest req, HttpServletResponse resp) 93 { 94 StringBuffer buf = new StringBuffer(req.getScheme()); 95 buf.append("://").append(req.getServerName()); 96 if (!isDefaultPort(req.getScheme(), req.getServerPort())) { 97 buf.append(':').append(req.getServerPort()); 98 } 99 req.setAttribute("contextUrl", buf.toString()); 100 } 101 102 /*** 103 * Returns <code>true</code> if the given port is the default port of the given scheme. 104 */ 105 protected boolean isDefaultPort(String scheme, int port) 106 { 107 if ("http".equals(scheme)) { 108 return 80 == port; 109 } else if ("https".equals(scheme)) { 110 return 443 == port; 111 } 112 return false; 113 } 114 115 }

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