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19 package org.eclipse.jetty.embedded;
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21 import java.io.File;
22 import java.io.IOException;
23 import java.util.Map;
24
25 import javax.servlet.ServletException;
26 import javax.servlet.http.HttpServletRequest;
27 import javax.servlet.http.HttpServletResponse;
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29 import org.eclipse.jetty.server.Handler;
30 import org.eclipse.jetty.server.NCSARequestLog;
31 import org.eclipse.jetty.server.Request;
32 import org.eclipse.jetty.server.Server;
33 import org.eclipse.jetty.server.handler.AbstractHandler;
34 import org.eclipse.jetty.server.handler.DefaultHandler;
35 import org.eclipse.jetty.server.handler.HandlerCollection;
36 import org.eclipse.jetty.server.handler.HandlerList;
37 import org.eclipse.jetty.server.handler.HandlerWrapper;
38 import org.eclipse.jetty.server.handler.RequestLogHandler;
39 import org.eclipse.jetty.util.ajax.JSON;
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67 public class ManyHandlers
68 {
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72 public static class ParamHandler extends AbstractHandler
73 {
74 public void handle( String target,
75 Request baseRequest,
76 HttpServletRequest request,
77 HttpServletResponse response ) throws IOException,
78 ServletException
79 {
80 Map<String, String[]> params = request.getParameterMap();
81 if (params.size() > 0)
82 {
83 response.setContentType("text/plain");
84 response.getWriter().println(JSON.toString(params));
85 baseRequest.setHandled(true);
86 }
87 }
88 }
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93 public static class WelcomeWrapHandler extends HandlerWrapper
94 {
95 @Override
96 public void handle( String target,
97 Request baseRequest,
98 HttpServletRequest request,
99 HttpServletResponse response ) throws IOException,
100 ServletException
101 {
102 request.setAttribute("welcome", "Hello");
103 super.handle(target, baseRequest, request, response);
104 }
105 }
106
107 public static void main( String[] args ) throws Exception
108 {
109 Server server = new Server(8080);
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112 Handler param = new ParamHandler();
113 HandlerWrapper wrapper = new WelcomeWrapHandler();
114 Handler hello = new HelloHandler();
115 Handler dft = new DefaultHandler();
116 RequestLogHandler requestLog = new RequestLogHandler();
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119 File requestLogFile = File.createTempFile("demo", "log");
120 NCSARequestLog ncsaLog = new NCSARequestLog(
121 requestLogFile.getAbsolutePath());
122 requestLog.setRequestLog(ncsaLog);
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125 HandlerCollection handlers = new HandlerCollection();
126 HandlerList list = new HandlerList();
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129 wrapper.setHandler(hello);
130 list.setHandlers(new Handler[] { param, wrapper, dft });
131 handlers.setHandlers(new Handler[] { list, requestLog });
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145 server.setHandler(handlers);
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147 server.start();
148 server.join();
149 }
150 }