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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;
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48 public class DefaultHandler extends AbstractHandler
49 {
50 final long _faviconModified=(System.currentTimeMillis()/1000)*1000;
51 byte[] _favicon;
52 boolean _serveIcon=true;
53 boolean _showContexts=true;
54
55 public DefaultHandler()
56 {
57 try
58 {
59 URL fav = this.getClass().getClassLoader().getResource("org/eclipse/jetty/favicon.ico");
60 if (fav!=null)
61 _favicon=IO.readBytes(fav.openStream());
62 }
63 catch(Exception e)
64 {
65 Log.warn(e);
66 }
67 }
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70
71
72
73 public void handle(String target, Request baseRequest, HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException
74 {
75 if (response.isCommitted() || baseRequest.isHandled())
76 return;
77
78 baseRequest.setHandled(true);
79
80 String method=request.getMethod();
81
82
83 if (_serveIcon && _favicon!=null && method.equals(HttpMethods.GET) && request.getRequestURI().equals("/favicon.ico"))
84 {
85 if (request.getDateHeader(HttpHeaders.IF_MODIFIED_SINCE)==_faviconModified)
86 response.setStatus(HttpServletResponse.SC_NOT_MODIFIED);
87 else
88 {
89 response.setStatus(HttpServletResponse.SC_OK);
90 response.setContentType("image/x-icon");
91 response.setContentLength(_favicon.length);
92 response.setDateHeader(HttpHeaders.LAST_MODIFIED, _faviconModified);
93 response.setHeader(HttpHeaders.CACHE_CONTROL,"max-age=360000,public");
94 response.getOutputStream().write(_favicon);
95 }
96 return;
97 }
98
99
100 if (!method.equals(HttpMethods.GET) || !request.getRequestURI().equals("/"))
101 {
102 response.sendError(HttpServletResponse.SC_NOT_FOUND);
103 return;
104 }
105
106 response.setStatus(HttpServletResponse.SC_NOT_FOUND);
107 response.setContentType(MimeTypes.TEXT_HTML);
108
109 ByteArrayISO8859Writer writer = new ByteArrayISO8859Writer(1500);
110
111 String uri=request.getRequestURI();
112 uri=StringUtil.replace(uri,"<","<");
113 uri=StringUtil.replace(uri,">",">");
114
115 writer.write("<HTML>\n<HEAD>\n<TITLE>Error 404 - Not Found");
116 writer.write("</TITLE>\n<BODY>\n<H2>Error 404 - Not Found.</H2>\n");
117 writer.write("No context on this server matched or handled this request.<BR>");
118
119 if (_showContexts)
120 {
121 writer.write("Contexts known to this server are: <ul>");
122
123 Server server = getServer();
124 Handler[] handlers = server==null?null:server.getChildHandlersByClass(ContextHandler.class);
125
126 for (int i=0;handlers!=null && i<handlers.length;i++)
127 {
128 ContextHandler context = (ContextHandler)handlers[i];
129 if (context.isRunning())
130 {
131 writer.write("<li><a href=\"");
132 if (context.getVirtualHosts()!=null && context.getVirtualHosts().length>0)
133 writer.write("http://"+context.getVirtualHosts()[0]+":"+request.getLocalPort());
134 writer.write(context.getContextPath());
135 if (context.getContextPath().length()>1 && context.getContextPath().endsWith("/"))
136 writer.write("/");
137 writer.write("\">");
138 writer.write(context.getContextPath());
139 if (context.getVirtualHosts()!=null && context.getVirtualHosts().length>0)
140 writer.write(" @ "+context.getVirtualHosts()[0]+":"+request.getLocalPort());
141 writer.write(" ---> ");
142 writer.write(context.toString());
143 writer.write("</a></li>\n");
144 }
145 else
146 {
147 writer.write("<li>");
148 writer.write(context.getContextPath());
149 if (context.getVirtualHosts()!=null && context.getVirtualHosts().length>0)
150 writer.write(" @ "+context.getVirtualHosts()[0]+":"+request.getLocalPort());
151 writer.write(" ---> ");
152 writer.write(context.toString());
153 if (context.isFailed())
154 writer.write(" [failed]");
155 if (context.isStopped())
156 writer.write(" [stopped]");
157 writer.write("</li>\n");
158 }
159 }
160 }
161
162 for (int i=0;i<10;i++)
163 writer.write("\n<!-- Padding for IE -->");
164
165 writer.write("\n</BODY>\n</HTML>\n");
166 writer.flush();
167 response.setContentLength(writer.size());
168 OutputStream out=response.getOutputStream();
169 writer.writeTo(out);
170 out.close();
171 }
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177 public boolean getServeIcon()
178 {
179 return _serveIcon;
180 }
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186 public void setServeIcon(boolean serveIcon)
187 {
188 _serveIcon = serveIcon;
189 }
190
191 public boolean getShowContexts()
192 {
193 return _showContexts;
194 }
195
196 public void setShowContexts(boolean show)
197 {
198 _showContexts = show;
199 }
200
201 }