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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.HttpHeader;
30 import org.eclipse.jetty.http.HttpMethod;
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;
40
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52
53 public class DefaultHandler extends AbstractHandler
54 {
55 private static final Logger LOG = Log.getLogger(DefaultHandler.class);
56
57 final long _faviconModified=(System.currentTimeMillis()/1000)*1000L;
58 byte[] _favicon;
59 boolean _serveIcon=true;
60 boolean _showContexts=true;
61
62 public DefaultHandler()
63 {
64 try
65 {
66 URL fav = this.getClass().getClassLoader().getResource("org/eclipse/jetty/favicon.ico");
67 if (fav!=null)
68 {
69 Resource r = Resource.newResource(fav);
70 _favicon=IO.readBytes(r.getInputStream());
71 }
72 }
73 catch(Exception e)
74 {
75 LOG.warn(e);
76 }
77 }
78
79
80
81
82
83 @Override
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 && HttpMethod.GET.is(method) && request.getRequestURI().equals("/favicon.ico"))
95 {
96 if (request.getDateHeader(HttpHeader.IF_MODIFIED_SINCE.toString())==_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(HttpHeader.LAST_MODIFIED.toString(), _faviconModified);
104 response.setHeader(HttpHeader.CACHE_CONTROL.toString(),"max-age=360000,public");
105 response.getOutputStream().write(_favicon);
106 }
107 return;
108 }
109
110
111 if (!_showContexts || !HttpMethod.GET.is(method) || !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.Type.TEXT_HTML.toString());
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 writer.write("Contexts known to this server are: <ul>");
126
127 Server server = getServer();
128 Handler[] handlers = server==null?null:server.getChildHandlersByClass(ContextHandler.class);
129
130 for (int i=0;handlers!=null && i<handlers.length;i++)
131 {
132 ContextHandler context = (ContextHandler)handlers[i];
133 if (context.isRunning())
134 {
135 writer.write("<li><a href=\"");
136 if (context.getVirtualHosts()!=null && context.getVirtualHosts().length>0)
137 writer.write("http://"+context.getVirtualHosts()[0]+":"+request.getLocalPort());
138 writer.write(context.getContextPath());
139 if (context.getContextPath().length()>1 && context.getContextPath().endsWith("/"))
140 writer.write("/");
141 writer.write("\">");
142 writer.write(context.getContextPath());
143 if (context.getVirtualHosts()!=null && context.getVirtualHosts().length>0)
144 writer.write(" @ "+context.getVirtualHosts()[0]+":"+request.getLocalPort());
145 writer.write(" ---> ");
146 writer.write(context.toString());
147 writer.write("</a></li>\n");
148 }
149 else
150 {
151 writer.write("<li>");
152 writer.write(context.getContextPath());
153 if (context.getVirtualHosts()!=null && context.getVirtualHosts().length>0)
154 writer.write(" @ "+context.getVirtualHosts()[0]+":"+request.getLocalPort());
155 writer.write(" ---> ");
156 writer.write(context.toString());
157 if (context.isFailed())
158 writer.write(" [failed]");
159 if (context.isStopped())
160 writer.write(" [stopped]");
161 writer.write("</li>\n");
162 }
163 }
164
165 writer.write("</ul><hr>");
166 writer.write("<a href=\"http://eclipse.org/jetty\"><img border=0 src=\"/favicon.ico\"/></a> ");
167 writer.write("<a href=\"http://eclipse.org/jetty\">Powered by Jetty:// Java Web Server</a><hr/>\n");
168
169 writer.write("\n</BODY>\n</HTML>\n");
170 writer.flush();
171 response.setContentLength(writer.size());
172 try (OutputStream out=response.getOutputStream())
173 {
174 writer.writeTo(out);
175 }
176 }
177
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179
180
181
182 public boolean getServeIcon()
183 {
184 return _serveIcon;
185 }
186
187
188
189
190
191 public void setServeIcon(boolean serveIcon)
192 {
193 _serveIcon = serveIcon;
194 }
195
196 public boolean getShowContexts()
197 {
198 return _showContexts;
199 }
200
201 public void setShowContexts(boolean show)
202 {
203 _showContexts = show;
204 }
205
206 }