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19 package org.eclipse.jetty.server.handler;
20
21 import java.io.IOException;
22 import java.io.OutputStream;
23 import java.net.URL;
24
25 import javax.servlet.ServletException;
26 import javax.servlet.http.HttpServletRequest;
27 import javax.servlet.http.HttpServletResponse;
28
29 import org.eclipse.jetty.http.HttpHeaders;
30 import org.eclipse.jetty.http.HttpMethods;
31 import org.eclipse.jetty.http.MimeTypes;
32 import org.eclipse.jetty.server.Handler;
33 import org.eclipse.jetty.server.Request;
34 import org.eclipse.jetty.server.Server;
35 import org.eclipse.jetty.util.ByteArrayISO8859Writer;
36 import org.eclipse.jetty.util.IO;
37 import org.eclipse.jetty.util.log.Log;
38 import org.eclipse.jetty.util.log.Logger;
39 import org.eclipse.jetty.util.resource.Resource;
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53
54 public class DefaultHandler extends AbstractHandler
55 {
56 private static final Logger LOG = Log.getLogger(DefaultHandler.class);
57
58 final long _faviconModified=(System.currentTimeMillis()/1000)*1000L;
59 byte[] _favicon;
60 boolean _serveIcon=true;
61 boolean _showContexts=true;
62
63 public DefaultHandler()
64 {
65 try
66 {
67 URL fav = this.getClass().getClassLoader().getResource("org/eclipse/jetty/favicon.ico");
68 if (fav!=null)
69 {
70 Resource r = Resource.newResource(fav);
71 _favicon=IO.readBytes(r.getInputStream());
72 }
73 }
74 catch(Exception e)
75 {
76 LOG.warn(e);
77 }
78 }
79
80
81
82
83
84 public void handle(String target, Request baseRequest, HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException
85 {
86 if (response.isCommitted() || baseRequest.isHandled())
87 return;
88
89 baseRequest.setHandled(true);
90
91 String method=request.getMethod();
92
93
94 if (_serveIcon && _favicon!=null && method.equals(HttpMethods.GET) && request.getRequestURI().equals("/favicon.ico"))
95 {
96 if (request.getDateHeader(HttpHeaders.IF_MODIFIED_SINCE)==_faviconModified)
97 response.setStatus(HttpServletResponse.SC_NOT_MODIFIED);
98 else
99 {
100 response.setStatus(HttpServletResponse.SC_OK);
101 response.setContentType("image/x-icon");
102 response.setContentLength(_favicon.length);
103 response.setDateHeader(HttpHeaders.LAST_MODIFIED, _faviconModified);
104 response.setHeader(HttpHeaders.CACHE_CONTROL,"max-age=360000,public");
105 response.getOutputStream().write(_favicon);
106 }
107 return;
108 }
109
110
111 if (!method.equals(HttpMethods.GET) || !request.getRequestURI().equals("/"))
112 {
113 response.sendError(HttpServletResponse.SC_NOT_FOUND);
114 return;
115 }
116
117 response.setStatus(HttpServletResponse.SC_NOT_FOUND);
118 response.setContentType(MimeTypes.TEXT_HTML);
119
120 ByteArrayISO8859Writer writer = new ByteArrayISO8859Writer(1500);
121
122 writer.write("<HTML>\n<HEAD>\n<TITLE>Error 404 - Not Found");
123 writer.write("</TITLE>\n<BODY>\n<H2>Error 404 - Not Found.</H2>\n");
124 writer.write("No context on this server matched or handled this request.<BR>");
125
126 if (_showContexts)
127 {
128 writer.write("Contexts known to this server are: <ul>");
129
130 Server server = getServer();
131 Handler[] handlers = server==null?null:server.getChildHandlersByClass(ContextHandler.class);
132
133 for (int i=0;handlers!=null && i<handlers.length;i++)
134 {
135 ContextHandler context = (ContextHandler)handlers[i];
136 if (context.isRunning())
137 {
138 writer.write("<li><a href=\"");
139 if (context.getVirtualHosts()!=null && context.getVirtualHosts().length>0)
140 writer.write("http://"+context.getVirtualHosts()[0]+":"+request.getLocalPort());
141 writer.write(context.getContextPath());
142 if (context.getContextPath().length()>1 && context.getContextPath().endsWith("/"))
143 writer.write("/");
144 writer.write("\">");
145 writer.write(context.getContextPath());
146 if (context.getVirtualHosts()!=null && context.getVirtualHosts().length>0)
147 writer.write(" @ "+context.getVirtualHosts()[0]+":"+request.getLocalPort());
148 writer.write(" ---> ");
149 writer.write(context.toString());
150 writer.write("</a></li>\n");
151 }
152 else
153 {
154 writer.write("<li>");
155 writer.write(context.getContextPath());
156 if (context.getVirtualHosts()!=null && context.getVirtualHosts().length>0)
157 writer.write(" @ "+context.getVirtualHosts()[0]+":"+request.getLocalPort());
158 writer.write(" ---> ");
159 writer.write(context.toString());
160 if (context.isFailed())
161 writer.write(" [failed]");
162 if (context.isStopped())
163 writer.write(" [stopped]");
164 writer.write("</li>\n");
165 }
166 }
167 }
168
169 for (int i=0;i<10;i++)
170 writer.write("\n<!-- Padding for IE -->");
171
172 writer.write("\n</BODY>\n</HTML>\n");
173 writer.flush();
174 response.setContentLength(writer.size());
175 OutputStream out=response.getOutputStream();
176 writer.writeTo(out);
177 out.close();
178 }
179
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182
183
184 public boolean getServeIcon()
185 {
186 return _serveIcon;
187 }
188
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191
192
193 public void setServeIcon(boolean serveIcon)
194 {
195 _serveIcon = serveIcon;
196 }
197
198 public boolean getShowContexts()
199 {
200 return _showContexts;
201 }
202
203 public void setShowContexts(boolean show)
204 {
205 _showContexts = show;
206 }
207
208 }