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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.StringUtil;
33 import org.eclipse.jetty.util.log.Log;
34 import org.eclipse.jetty.util.log.Logger;
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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 _favicon=IO.readBytes(fav.openStream());
65 }
66 catch(Exception e)
67 {
68 LOG.warn(e);
69 }
70 }
71
72
73
74
75
76 public void handle(String target, Request baseRequest, HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException
77 {
78 if (response.isCommitted() || baseRequest.isHandled())
79 return;
80
81 baseRequest.setHandled(true);
82
83 String method=request.getMethod();
84
85
86 if (_serveIcon && _favicon!=null && method.equals(HttpMethods.GET) && request.getRequestURI().equals("/favicon.ico"))
87 {
88 if (request.getDateHeader(HttpHeaders.IF_MODIFIED_SINCE)==_faviconModified)
89 response.setStatus(HttpServletResponse.SC_NOT_MODIFIED);
90 else
91 {
92 response.setStatus(HttpServletResponse.SC_OK);
93 response.setContentType("image/x-icon");
94 response.setContentLength(_favicon.length);
95 response.setDateHeader(HttpHeaders.LAST_MODIFIED, _faviconModified);
96 response.setHeader(HttpHeaders.CACHE_CONTROL,"max-age=360000,public");
97 response.getOutputStream().write(_favicon);
98 }
99 return;
100 }
101
102
103 if (!method.equals(HttpMethods.GET) || !request.getRequestURI().equals("/"))
104 {
105 response.sendError(HttpServletResponse.SC_NOT_FOUND);
106 return;
107 }
108
109 response.setStatus(HttpServletResponse.SC_NOT_FOUND);
110 response.setContentType(MimeTypes.TEXT_HTML);
111
112 ByteArrayISO8859Writer writer = new ByteArrayISO8859Writer(1500);
113
114 String uri=request.getRequestURI();
115 uri=StringUtil.replace(uri,"<","<");
116 uri=StringUtil.replace(uri,">",">");
117
118 writer.write("<HTML>\n<HEAD>\n<TITLE>Error 404 - Not Found");
119 writer.write("</TITLE>\n<BODY>\n<H2>Error 404 - Not Found.</H2>\n");
120 writer.write("No context on this server matched or handled this request.<BR>");
121
122 if (_showContexts)
123 {
124 writer.write("Contexts known to this server are: <ul>");
125
126 Server server = getServer();
127 Handler[] handlers = server==null?null:server.getChildHandlersByClass(ContextHandler.class);
128
129 for (int i=0;handlers!=null && i<handlers.length;i++)
130 {
131 ContextHandler context = (ContextHandler)handlers[i];
132 if (context.isRunning())
133 {
134 writer.write("<li><a href=\"");
135 if (context.getVirtualHosts()!=null && context.getVirtualHosts().length>0)
136 writer.write("http://"+context.getVirtualHosts()[0]+":"+request.getLocalPort());
137 writer.write(context.getContextPath());
138 if (context.getContextPath().length()>1 && context.getContextPath().endsWith("/"))
139 writer.write("/");
140 writer.write("\">");
141 writer.write(context.getContextPath());
142 if (context.getVirtualHosts()!=null && context.getVirtualHosts().length>0)
143 writer.write(" @ "+context.getVirtualHosts()[0]+":"+request.getLocalPort());
144 writer.write(" ---> ");
145 writer.write(context.toString());
146 writer.write("</a></li>\n");
147 }
148 else
149 {
150 writer.write("<li>");
151 writer.write(context.getContextPath());
152 if (context.getVirtualHosts()!=null && context.getVirtualHosts().length>0)
153 writer.write(" @ "+context.getVirtualHosts()[0]+":"+request.getLocalPort());
154 writer.write(" ---> ");
155 writer.write(context.toString());
156 if (context.isFailed())
157 writer.write(" [failed]");
158 if (context.isStopped())
159 writer.write(" [stopped]");
160 writer.write("</li>\n");
161 }
162 }
163 }
164
165 for (int i=0;i<10;i++)
166 writer.write("\n<!-- Padding for IE -->");
167
168 writer.write("\n</BODY>\n</HTML>\n");
169 writer.flush();
170 response.setContentLength(writer.size());
171 OutputStream out=response.getOutputStream();
172 writer.writeTo(out);
173 out.close();
174 }
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179
180 public boolean getServeIcon()
181 {
182 return _serveIcon;
183 }
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188
189 public void setServeIcon(boolean serveIcon)
190 {
191 _serveIcon = serveIcon;
192 }
193
194 public boolean getShowContexts()
195 {
196 return _showContexts;
197 }
198
199 public void setShowContexts(boolean show)
200 {
201 _showContexts = show;
202 }
203
204 }