1 package fi.iki.elonen.debug; 2 3 /* 4 * #%L 5 * NanoHttpd-Samples 6 * %% 7 * Copyright (C) 2012 - 2015 nanohttpd 8 * %% 9 * Redistribution and use in source and binary forms, with or without modification, 10 * are permitted provided that the following conditions are met: 11 * 12 * 1. Redistributions of source code must retain the above copyright notice, this 13 * list of conditions and the following disclaimer. 14 * 15 * 2. Redistributions in binary form must reproduce the above copyright notice, 16 * this list of conditions and the following disclaimer in the documentation 17 * and/or other materials provided with the distribution. 18 * 19 * 3. Neither the name of the nanohttpd nor the names of its contributors 20 * may be used to endorse or promote products derived from this software without 21 * specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 25 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 26 * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 27 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 28 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 30 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 31 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 32 * OF THE POSSIBILITY OF SUCH DAMAGE. 33 * #L% 34 */ 35 36 import java.util.HashMap; 37 import java.util.List; 38 import java.util.Map; 39 40 import fi.iki.elonen.NanoHTTPD; 41 import fi.iki.elonen.util.ServerRunner; 42 43 public class DebugServer extends NanoHTTPD { 44 45 public static void main(String[] args) { 46 ServerRunner.run(DebugServer.class); 47 } 48 49 public DebugServer() { 50 super(8080); 51 } 52 53 private void listItem(StringBuilder sb, Map.Entry<String, ? extends Object> entry) { 54 sb.append("<li><code><b>").append(entry.getKey()).append("</b> = ").append(entry.getValue()).append("</code></li>"); 55 } 56 57 @Override 58 public Response serve(IHTTPSession session) { 59 Map<String, List<String>> decodedQueryParameters = decodeParameters(session.getQueryParameterString()); 60 61 StringBuilder sb = new StringBuilder(); 62 sb.append("<html>"); 63 sb.append("<head><title>Debug Server</title></head>"); 64 sb.append("<body>"); 65 sb.append("<h1>Debug Server</h1>"); 66 67 sb.append("<p><blockquote><b>URI</b> = ").append(String.valueOf(session.getUri())).append("<br />"); 68 69 sb.append("<b>Method</b> = ").append(String.valueOf(session.getMethod())).append("</blockquote></p>"); 70 71 sb.append("<h3>Headers</h3><p><blockquote>").append(toString(session.getHeaders())).append("</blockquote></p>"); 72 73 sb.append("<h3>Parms</h3><p><blockquote>").append(toString(session.getParms())).append("</blockquote></p>"); 74 75 sb.append("<h3>Parms (multi values?)</h3><p><blockquote>").append(toString(decodedQueryParameters)).append("</blockquote></p>"); 76 77 try { 78 Map<String, String> files = new HashMap<String, String>(); 79 session.parseBody(files); 80 sb.append("<h3>Files</h3><p><blockquote>").append(toString(files)).append("</blockquote></p>"); 81 } catch (Exception e) { 82 e.printStackTrace(); 83 } 84 85 sb.append("</body>"); 86 sb.append("</html>"); 87 return newFixedLengthResponse(sb.toString()); 88 } 89 90 private String toString(Map<String, ? extends Object> map) { 91 if (map.size() == 0) { 92 return ""; 93 } 94 return unsortedList(map); 95 } 96 97 private String unsortedList(Map<String, ? extends Object> map) { 98 StringBuilder sb = new StringBuilder(); 99 sb.append("<ul>"); 100 for (Map.Entry<String, ? extends Object> entry : map.entrySet()) { 101 listItem(sb, entry); 102 } 103 sb.append("</ul>"); 104 return sb.toString(); 105 } 106 } 107
