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14 package org.eclipse.jetty.server.handler;
15
16 import java.io.IOException;
17 import java.io.OutputStream;
18 import java.net.URL;
19
20 import javax.servlet.ServletException;
21 import javax.servlet.http.HttpServletRequest;
22 import javax.servlet.http.HttpServletResponse;
23
24 import org.eclipse.jetty.http.HttpHeaders;
25 import org.eclipse.jetty.http.HttpMethods;
26 import org.eclipse.jetty.http.MimeTypes;
27 import org.eclipse.jetty.server.Handler;
28 import org.eclipse.jetty.server.Request;
29 import org.eclipse.jetty.server.Server;
30 import org.eclipse.jetty.util.ByteArrayISO8859Writer;
31 import org.eclipse.jetty.util.IO;
32 import org.eclipse.jetty.util.log.Log;
33 import org.eclipse.jetty.util.log.Logger;
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48 public class DefaultHandler extends AbstractHandler
49 {
50 private static final Logger LOG = Log.getLogger(DefaultHandler.class);
51
52 final long _faviconModified=(System.currentTimeMillis()/1000)*1000;
53 byte[] _favicon;
54 boolean _serveIcon=true;
55 boolean _showContexts=true;
56
57 public DefaultHandler()
58 {
59 try
60 {
61 URL fav = this.getClass().getClassLoader().getResource("org/eclipse/jetty/favicon.ico");
62 if (fav!=null)
63 _favicon=IO.readBytes(fav.openStream());
64 }
65 catch(Exception e)
66 {
67 LOG.warn(e);
68 }
69 }
70
71
72
73
74
75 public void handle(String target, Request baseRequest, HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException
76 {
77 if (response.isCommitted() || baseRequest.isHandled())
78 return;
79
80 baseRequest.setHandled(true);
81
82 String method=request.getMethod();
83
84
85 if (_serveIcon && _favicon!=null && method.equals(HttpMethods.GET) && request.getRequestURI().equals("/favicon.ico"))
86 {
87 if (request.getDateHeader(HttpHeaders.IF_MODIFIED_SINCE)==_faviconModified)
88 response.setStatus(HttpServletResponse.SC_NOT_MODIFIED);
89 else
90 {
91 response.setStatus(HttpServletResponse.SC_OK);
92 response.setContentType("image/x-icon");
93 response.setContentLength(_favicon.length);
94 response.setDateHeader(HttpHeaders.LAST_MODIFIED, _faviconModified);
95 response.setHeader(HttpHeaders.CACHE_CONTROL,"max-age=360000,public");
96 response.getOutputStream().write(_favicon);
97 }
98 return;
99 }
100
101
102 if (!method.equals(HttpMethods.GET) || !request.getRequestURI().equals("/"))
103 {
104 response.sendError(HttpServletResponse.SC_NOT_FOUND);
105 return;
106 }
107
108 response.setStatus(HttpServletResponse.SC_NOT_FOUND);
109 response.setContentType(MimeTypes.TEXT_HTML);
110
111 ByteArrayISO8859Writer writer = new ByteArrayISO8859Writer(1500);
112
113 writer.write("<HTML>\n<HEAD>\n<TITLE>Error 404 - Not Found");
114 writer.write("</TITLE>\n<BODY>\n<H2>Error 404 - Not Found.</H2>\n");
115 writer.write("No context on this server matched or handled this request.<BR>");
116
117 if (_showContexts)
118 {
119 writer.write("Contexts known to this server are: <ul>");
120
121 Server server = getServer();
122 Handler[] handlers = server==null?null:server.getChildHandlersByClass(ContextHandler.class);
123
124 for (int i=0;handlers!=null && i<handlers.length;i++)
125 {
126 ContextHandler context = (ContextHandler)handlers[i];
127 if (context.isRunning())
128 {
129 writer.write("<li><a href=\"");
130 if (context.getVirtualHosts()!=null && context.getVirtualHosts().length>0)
131 writer.write("http://"+context.getVirtualHosts()[0]+":"+request.getLocalPort());
132 writer.write(context.getContextPath());
133 if (context.getContextPath().length()>1 && context.getContextPath().endsWith("/"))
134 writer.write("/");
135 writer.write("\">");
136 writer.write(context.getContextPath());
137 if (context.getVirtualHosts()!=null && context.getVirtualHosts().length>0)
138 writer.write(" @ "+context.getVirtualHosts()[0]+":"+request.getLocalPort());
139 writer.write(" ---> ");
140 writer.write(context.toString());
141 writer.write("</a></li>\n");
142 }
143 else
144 {
145 writer.write("<li>");
146 writer.write(context.getContextPath());
147 if (context.getVirtualHosts()!=null && context.getVirtualHosts().length>0)
148 writer.write(" @ "+context.getVirtualHosts()[0]+":"+request.getLocalPort());
149 writer.write(" ---> ");
150 writer.write(context.toString());
151 if (context.isFailed())
152 writer.write(" [failed]");
153 if (context.isStopped())
154 writer.write(" [stopped]");
155 writer.write("</li>\n");
156 }
157 }
158 }
159
160 for (int i=0;i<10;i++)
161 writer.write("\n<!-- Padding for IE -->");
162
163 writer.write("\n</BODY>\n</HTML>\n");
164 writer.flush();
165 response.setContentLength(writer.size());
166 OutputStream out=response.getOutputStream();
167 writer.writeTo(out);
168 out.close();
169 }
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175 public boolean getServeIcon()
176 {
177 return _serveIcon;
178 }
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184 public void setServeIcon(boolean serveIcon)
185 {
186 _serveIcon = serveIcon;
187 }
188
189 public boolean getShowContexts()
190 {
191 return _showContexts;
192 }
193
194 public void setShowContexts(boolean show)
195 {
196 _showContexts = show;
197 }
198
199 }