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annotate src/org/eclipse/jetty/server/handler/DefaultHandler.java @ 819:17bd0b170ed6
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| author | Franklin Schmidt <fschmidt@gmail.com> |
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| date | Fri, 09 Sep 2016 17:10:47 -0600 |
| parents | 947b11aa3157 |
| children | 8e9db0bbf4f9 |
| rev | line source |
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1 // |
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2 // ======================================================================== |
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3 // Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd. |
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4 // ------------------------------------------------------------------------ |
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5 // All rights reserved. This program and the accompanying materials |
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6 // are made available under the terms of the Eclipse Public License v1.0 |
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7 // and Apache License v2.0 which accompanies this distribution. |
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8 // |
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9 // The Eclipse Public License is available at |
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10 // http://www.eclipse.org/legal/epl-v10.html |
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11 // |
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12 // The Apache License v2.0 is available at |
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13 // http://www.opensource.org/licenses/apache2.0.php |
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14 // |
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15 // You may elect to redistribute this code under either of these licenses. |
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16 // ======================================================================== |
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17 // |
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18 |
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19 package org.eclipse.jetty.server.handler; |
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20 |
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21 import java.io.IOException; |
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22 import java.io.OutputStream; |
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23 import java.net.URL; |
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24 |
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25 import javax.servlet.ServletException; |
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26 import javax.servlet.http.HttpServletRequest; |
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27 import javax.servlet.http.HttpServletResponse; |
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28 |
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29 import org.eclipse.jetty.http.HttpHeaders; |
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30 import org.eclipse.jetty.http.HttpMethods; |
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31 import org.eclipse.jetty.http.MimeTypes; |
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32 import org.eclipse.jetty.server.Handler; |
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33 import org.eclipse.jetty.server.Request; |
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34 import org.eclipse.jetty.server.Server; |
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35 import org.eclipse.jetty.util.ByteArrayISO8859Writer; |
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36 import org.eclipse.jetty.util.IO; |
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37 import org.eclipse.jetty.util.log.Log; |
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38 import org.eclipse.jetty.util.log.Logger; |
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39 import org.eclipse.jetty.util.resource.Resource; |
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40 |
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41 |
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42 /* ------------------------------------------------------------ */ |
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43 /** Default Handler. |
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44 * |
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45 * This handle will deal with unhandled requests in the server. |
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46 * For requests for favicon.ico, the Jetty icon is served. |
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47 * For reqests to '/' a 404 with a list of known contexts is served. |
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48 * For all other requests a normal 404 is served. |
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49 * TODO Implement OPTIONS and TRACE methods for the server. |
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50 * |
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51 * |
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52 * @org.apache.xbean.XBean |
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53 */ |
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54 public class DefaultHandler extends AbstractHandler |
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55 { |
| 807 | 56 private static final Logger LOG = Log.getLogger(DefaultHandler.class); |
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57 |
| 807 | 58 boolean _showContexts=true; |
| 59 | |
| 60 /* ------------------------------------------------------------ */ | |
| 61 /* | |
| 62 * @see org.eclipse.jetty.server.server.Handler#handle(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse, int) | |
| 63 */ | |
| 64 public void handle(String target, Request baseRequest, HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException | |
| 65 { | |
| 66 if (response.isCommitted() || baseRequest.isHandled()) | |
| 67 return; | |
| 68 | |
| 69 baseRequest.setHandled(true); | |
| 70 | |
| 71 String method=request.getMethod(); | |
| 72 | |
| 73 if (!method.equals(HttpMethods.GET) || !request.getRequestURI().equals("/")) | |
| 74 { | |
| 75 response.sendError(HttpServletResponse.SC_NOT_FOUND); | |
| 76 return; | |
| 77 } | |
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78 |
| 807 | 79 response.setStatus(HttpServletResponse.SC_NOT_FOUND); |
| 80 response.setContentType(MimeTypes.TEXT_HTML); | |
| 81 | |
| 82 ByteArrayISO8859Writer writer = new ByteArrayISO8859Writer(1500); | |
| 83 | |
| 84 writer.write("<HTML>\n<HEAD>\n<TITLE>Error 404 - Not Found"); | |
| 85 writer.write("</TITLE>\n<BODY>\n<H2>Error 404 - Not Found.</H2>\n"); | |
| 86 writer.write("No context on this server matched or handled this request.<BR>"); | |
| 87 | |
| 88 if (_showContexts) | |
| 89 { | |
| 90 writer.write("Contexts known to this server are: <ul>"); | |
| 91 | |
| 92 Server server = getServer(); | |
| 93 Handler[] handlers = server==null?null:server.getChildHandlersByClass(ContextHandler.class); | |
| 94 | |
| 95 for (int i=0;handlers!=null && i<handlers.length;i++) | |
| 96 { | |
| 97 ContextHandler context = (ContextHandler)handlers[i]; | |
| 98 if (context.isRunning()) | |
| 99 { | |
| 100 writer.write("<li><a href=\""); | |
| 101 if (context.getVirtualHosts()!=null && context.getVirtualHosts().length>0) | |
| 102 writer.write("http://"+context.getVirtualHosts()[0]+":"+request.getLocalPort()); | |
| 103 writer.write(context.getContextPath()); | |
| 104 if (context.getContextPath().length()>1 && context.getContextPath().endsWith("/")) | |
| 105 writer.write("/"); | |
| 106 writer.write("\">"); | |
| 107 writer.write(context.getContextPath()); | |
| 108 if (context.getVirtualHosts()!=null && context.getVirtualHosts().length>0) | |
| 109 writer.write(" @ "+context.getVirtualHosts()[0]+":"+request.getLocalPort()); | |
| 110 writer.write(" ---> "); | |
| 111 writer.write(context.toString()); | |
| 112 writer.write("</a></li>\n"); | |
| 113 } | |
| 114 else | |
| 115 { | |
| 116 writer.write("<li>"); | |
| 117 writer.write(context.getContextPath()); | |
| 118 if (context.getVirtualHosts()!=null && context.getVirtualHosts().length>0) | |
| 119 writer.write(" @ "+context.getVirtualHosts()[0]+":"+request.getLocalPort()); | |
| 120 writer.write(" ---> "); | |
| 121 writer.write(context.toString()); | |
| 122 if (context.isFailed()) | |
| 123 writer.write(" [failed]"); | |
| 124 if (context.isStopped()) | |
| 125 writer.write(" [stopped]"); | |
| 126 writer.write("</li>\n"); | |
| 127 } | |
| 128 } | |
| 129 } | |
| 130 | |
| 131 for (int i=0;i<10;i++) | |
| 132 writer.write("\n<!-- Padding for IE -->"); | |
| 133 | |
| 134 writer.write("\n</BODY>\n</HTML>\n"); | |
| 135 writer.flush(); | |
| 136 response.setContentLength(writer.size()); | |
| 137 OutputStream out=response.getOutputStream(); | |
| 138 writer.writeTo(out); | |
| 139 out.close(); | |
| 140 } | |
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141 |
| 807 | 142 public boolean getShowContexts() |
| 143 { | |
| 144 return _showContexts; | |
| 145 } | |
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146 |
| 807 | 147 public void setShowContexts(boolean show) |
| 148 { | |
| 149 _showContexts = show; | |
| 150 } | |
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151 |
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152 } |