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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;
34 import org.eclipse.jetty.util.resource.Resource;
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49 public class DefaultHandler extends AbstractHandler
50 {
51 private static final Logger LOG = Log.getLogger(DefaultHandler.class);
52
53 final long _faviconModified=(System.currentTimeMillis()/1000)*1000;
54 byte[] _favicon;
55 boolean _serveIcon=true;
56 boolean _showContexts=true;
57
58 public DefaultHandler()
59 {
60 try
61 {
62 URL fav = this.getClass().getClassLoader().getResource("org/eclipse/jetty/favicon.ico");
63 if (fav!=null)
64 {
65 Resource r = Resource.newResource(fav);
66 _favicon=IO.readBytes(r.getInputStream());
67 }
68 }
69 catch(Exception e)
70 {
71 LOG.warn(e);
72 }
73 }
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78
79 public void handle(String target, Request baseRequest, HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException
80 {
81 if (response.isCommitted() || baseRequest.isHandled())
82 return;
83
84 baseRequest.setHandled(true);
85
86 String method=request.getMethod();
87
88
89 if (_serveIcon && _favicon!=null && method.equals(HttpMethods.GET) && request.getRequestURI().equals("/favicon.ico"))
90 {
91 if (request.getDateHeader(HttpHeaders.IF_MODIFIED_SINCE)==_faviconModified)
92 response.setStatus(HttpServletResponse.SC_NOT_MODIFIED);
93 else
94 {
95 response.setStatus(HttpServletResponse.SC_OK);
96 response.setContentType("image/x-icon");
97 response.setContentLength(_favicon.length);
98 response.setDateHeader(HttpHeaders.LAST_MODIFIED, _faviconModified);
99 response.setHeader(HttpHeaders.CACHE_CONTROL,"max-age=360000,public");
100 response.getOutputStream().write(_favicon);
101 }
102 return;
103 }
104
105
106 if (!method.equals(HttpMethods.GET) || !request.getRequestURI().equals("/"))
107 {
108 response.sendError(HttpServletResponse.SC_NOT_FOUND);
109 return;
110 }
111
112 response.setStatus(HttpServletResponse.SC_NOT_FOUND);
113 response.setContentType(MimeTypes.TEXT_HTML);
114
115 ByteArrayISO8859Writer writer = new ByteArrayISO8859Writer(1500);
116
117 writer.write("<HTML>\n<HEAD>\n<TITLE>Error 404 - Not Found");
118 writer.write("</TITLE>\n<BODY>\n<H2>Error 404 - Not Found.</H2>\n");
119 writer.write("No context on this server matched or handled this request.<BR>");
120
121 if (_showContexts)
122 {
123 writer.write("Contexts known to this server are: <ul>");
124
125 Server server = getServer();
126 Handler[] handlers = server==null?null:server.getChildHandlersByClass(ContextHandler.class);
127
128 for (int i=0;handlers!=null && i<handlers.length;i++)
129 {
130 ContextHandler context = (ContextHandler)handlers[i];
131 if (context.isRunning())
132 {
133 writer.write("<li><a href=\"");
134 if (context.getVirtualHosts()!=null && context.getVirtualHosts().length>0)
135 writer.write("http://"+context.getVirtualHosts()[0]+":"+request.getLocalPort());
136 writer.write(context.getContextPath());
137 if (context.getContextPath().length()>1 && context.getContextPath().endsWith("/"))
138 writer.write("/");
139 writer.write("\">");
140 writer.write(context.getContextPath());
141 if (context.getVirtualHosts()!=null && context.getVirtualHosts().length>0)
142 writer.write(" @ "+context.getVirtualHosts()[0]+":"+request.getLocalPort());
143 writer.write(" ---> ");
144 writer.write(context.toString());
145 writer.write("</a></li>\n");
146 }
147 else
148 {
149 writer.write("<li>");
150 writer.write(context.getContextPath());
151 if (context.getVirtualHosts()!=null && context.getVirtualHosts().length>0)
152 writer.write(" @ "+context.getVirtualHosts()[0]+":"+request.getLocalPort());
153 writer.write(" ---> ");
154 writer.write(context.toString());
155 if (context.isFailed())
156 writer.write(" [failed]");
157 if (context.isStopped())
158 writer.write(" [stopped]");
159 writer.write("</li>\n");
160 }
161 }
162 }
163
164 for (int i=0;i<10;i++)
165 writer.write("\n<!-- Padding for IE -->");
166
167 writer.write("\n</BODY>\n</HTML>\n");
168 writer.flush();
169 response.setContentLength(writer.size());
170 OutputStream out=response.getOutputStream();
171 writer.writeTo(out);
172 out.close();
173 }
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179 public boolean getServeIcon()
180 {
181 return _serveIcon;
182 }
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188 public void setServeIcon(boolean serveIcon)
189 {
190 _serveIcon = serveIcon;
191 }
192
193 public boolean getShowContexts()
194 {
195 return _showContexts;
196 }
197
198 public void setShowContexts(boolean show)
199 {
200 _showContexts = show;
201 }
202
203 }