| // |
| // ======================================================================== |
| // Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd. |
| // ------------------------------------------------------------------------ |
| // All rights reserved. This program and the accompanying materials |
| // are made available under the terms of the Eclipse Public License v1.0 |
| // and Apache License v2.0 which accompanies this distribution. |
| // |
| // The Eclipse Public License is available at |
| // http://www.eclipse.org/legal/epl-v10.html |
| // |
| // The Apache License v2.0 is available at |
| // http://www.opensource.org/licenses/apache2.0.php |
| // |
| // You may elect to redistribute this code under either of these licenses. |
| // ======================================================================== |
| // |
| |
| package org.eclipse.jetty.server.handler; |
| |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import java.net.URL; |
| |
| import javax.servlet.ServletException; |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpServletResponse; |
| |
| import org.eclipse.jetty.http.HttpHeaders; |
| import org.eclipse.jetty.http.HttpMethods; |
| import org.eclipse.jetty.http.MimeTypes; |
| import org.eclipse.jetty.server.Handler; |
| import org.eclipse.jetty.server.Request; |
| import org.eclipse.jetty.server.Server; |
| import org.eclipse.jetty.util.ByteArrayISO8859Writer; |
| import org.eclipse.jetty.util.IO; |
| import org.eclipse.jetty.util.log.Log; |
| import org.eclipse.jetty.util.log.Logger; |
| import org.eclipse.jetty.util.resource.Resource; |
| |
| |
| /* ------------------------------------------------------------ */ |
| /** Default Handler. |
| * |
| * This handle will deal with unhandled requests in the server. |
| * For requests for favicon.ico, the Jetty icon is served. |
| * For reqests to '/' a 404 with a list of known contexts is served. |
| * For all other requests a normal 404 is served. |
| * TODO Implement OPTIONS and TRACE methods for the server. |
| * |
| * |
| * @org.apache.xbean.XBean |
| */ |
| public class DefaultHandler extends AbstractHandler |
| { |
| private static final Logger LOG = Log.getLogger(DefaultHandler.class); |
| |
| final long _faviconModified=(System.currentTimeMillis()/1000)*1000L; |
| byte[] _favicon; |
| boolean _serveIcon=true; |
| boolean _showContexts=true; |
| |
| public DefaultHandler() |
| { |
| try |
| { |
| URL fav = this.getClass().getClassLoader().getResource("org/eclipse/jetty/favicon.ico"); |
| if (fav!=null) |
| { |
| Resource r = Resource.newResource(fav); |
| _favicon=IO.readBytes(r.getInputStream()); |
| } |
| } |
| catch(Exception e) |
| { |
| LOG.warn(e); |
| } |
| } |
| |
| /* ------------------------------------------------------------ */ |
| /* |
| * @see org.eclipse.jetty.server.server.Handler#handle(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse, int) |
| */ |
| public void handle(String target, Request baseRequest, HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException |
| { |
| if (response.isCommitted() || baseRequest.isHandled()) |
| return; |
| |
| baseRequest.setHandled(true); |
| |
| String method=request.getMethod(); |
| |
| // little cheat for common request |
| if (_serveIcon && _favicon!=null && method.equals(HttpMethods.GET) && request.getRequestURI().equals("/favicon.ico")) |
| { |
| if (request.getDateHeader(HttpHeaders.IF_MODIFIED_SINCE)==_faviconModified) |
| response.setStatus(HttpServletResponse.SC_NOT_MODIFIED); |
| else |
| { |
| response.setStatus(HttpServletResponse.SC_OK); |
| response.setContentType("image/x-icon"); |
| response.setContentLength(_favicon.length); |
| response.setDateHeader(HttpHeaders.LAST_MODIFIED, _faviconModified); |
| response.setHeader(HttpHeaders.CACHE_CONTROL,"max-age=360000,public"); |
| response.getOutputStream().write(_favicon); |
| } |
| return; |
| } |
| |
| |
| if (!method.equals(HttpMethods.GET) || !request.getRequestURI().equals("/")) |
| { |
| response.sendError(HttpServletResponse.SC_NOT_FOUND); |
| return; |
| } |
| |
| response.setStatus(HttpServletResponse.SC_NOT_FOUND); |
| response.setContentType(MimeTypes.TEXT_HTML); |
| |
| ByteArrayISO8859Writer writer = new ByteArrayISO8859Writer(1500); |
| |
| writer.write("<HTML>\n<HEAD>\n<TITLE>Error 404 - Not Found"); |
| writer.write("</TITLE>\n<BODY>\n<H2>Error 404 - Not Found.</H2>\n"); |
| writer.write("No context on this server matched or handled this request.<BR>"); |
| |
| if (_showContexts) |
| { |
| writer.write("Contexts known to this server are: <ul>"); |
| |
| Server server = getServer(); |
| Handler[] handlers = server==null?null:server.getChildHandlersByClass(ContextHandler.class); |
| |
| for (int i=0;handlers!=null && i<handlers.length;i++) |
| { |
| ContextHandler context = (ContextHandler)handlers[i]; |
| if (context.isRunning()) |
| { |
| writer.write("<li><a href=\""); |
| if (context.getVirtualHosts()!=null && context.getVirtualHosts().length>0) |
| writer.write("http://"+context.getVirtualHosts()[0]+":"+request.getLocalPort()); |
| writer.write(context.getContextPath()); |
| if (context.getContextPath().length()>1 && context.getContextPath().endsWith("/")) |
| writer.write("/"); |
| writer.write("\">"); |
| writer.write(context.getContextPath()); |
| if (context.getVirtualHosts()!=null && context.getVirtualHosts().length>0) |
| writer.write(" @ "+context.getVirtualHosts()[0]+":"+request.getLocalPort()); |
| writer.write(" ---> "); |
| writer.write(context.toString()); |
| writer.write("</a></li>\n"); |
| } |
| else |
| { |
| writer.write("<li>"); |
| writer.write(context.getContextPath()); |
| if (context.getVirtualHosts()!=null && context.getVirtualHosts().length>0) |
| writer.write(" @ "+context.getVirtualHosts()[0]+":"+request.getLocalPort()); |
| writer.write(" ---> "); |
| writer.write(context.toString()); |
| if (context.isFailed()) |
| writer.write(" [failed]"); |
| if (context.isStopped()) |
| writer.write(" [stopped]"); |
| writer.write("</li>\n"); |
| } |
| } |
| } |
| |
| for (int i=0;i<10;i++) |
| writer.write("\n<!-- Padding for IE -->"); |
| |
| writer.write("\n</BODY>\n</HTML>\n"); |
| writer.flush(); |
| response.setContentLength(writer.size()); |
| OutputStream out=response.getOutputStream(); |
| writer.writeTo(out); |
| out.close(); |
| } |
| |
| /* ------------------------------------------------------------ */ |
| /** |
| * @return Returns true if the handle can server the jetty favicon.ico |
| */ |
| public boolean getServeIcon() |
| { |
| return _serveIcon; |
| } |
| |
| /* ------------------------------------------------------------ */ |
| /** |
| * @param serveIcon true if the handle can server the jetty favicon.ico |
| */ |
| public void setServeIcon(boolean serveIcon) |
| { |
| _serveIcon = serveIcon; |
| } |
| |
| public boolean getShowContexts() |
| { |
| return _showContexts; |
| } |
| |
| public void setShowContexts(boolean show) |
| { |
| _showContexts = show; |
| } |
| |
| } |