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annotate src/goodjava/webserver/examples/Example.java @ 1802:ca98dee04e08 default tip

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add Parsers.json_null
author Franklin Schmidt <fschmidt@gmail.com>
date Sun, 21 Apr 2024 21:25:15 -0600
parents fa066aaa068c
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1 package goodjava.webserver.examples;
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2
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3 import java.io.Writer;
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4 import java.io.OutputStreamWriter;
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5 import java.io.IOException;
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6 import java.util.Map;
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7 import java.util.HashMap;
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8 import goodjava.webserver.Handler;
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9 import goodjava.webserver.Request;
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10 import goodjava.webserver.Response;
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11 import goodjava.webserver.ResponseOutputStream;
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12 import goodjava.webserver.Server;
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13 import goodjava.webserver.handlers.MapHandler;
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14 import goodjava.webserver.handlers.SafeHandler;
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15 import goodjava.webserver.handlers.LogHandler;
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16 import goodjava.webserver.handlers.FileHandler;
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17 import goodjava.webserver.handlers.DirHandler;
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18 import goodjava.webserver.handlers.ListHandler;
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19 import goodjava.webserver.handlers.ContentTypeHandler;
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22 public class Example implements Handler {
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23
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24 public Response handle(Request request) {
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25 Response response = new Response();
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26 response.headers.put( "Content-Type", "text/plain; charset=utf-8" );
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27 try {
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28 Writer writer = new OutputStreamWriter( new ResponseOutputStream(response) );
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29 writer.write("Hello World\n");
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30 writer.close();
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31 } catch(IOException e) {
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32 throw new RuntimeException("shouldn't happen",e);
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33 }
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34 return response;
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35 }
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36
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37 public static void simple() throws IOException {
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38 Handler handler = new Example();
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39 new Server(8080,handler).start();
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40 }
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41
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42 public static void fancy() throws IOException {
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43 Map<String,Handler> map = new HashMap<String,Handler>();
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44 map.put( "/hello", new Example() );
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45 map.put( "/headers", new Headers() );
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46 map.put( "/params", new Params() );
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47 map.put( "/cookies", new Cookies() );
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48 Handler mapHandler = new MapHandler(map);
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49 FileHandler fileHandler = new FileHandler();
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50 Handler dirHandler = new DirHandler(fileHandler);
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51 Handler handler = new ListHandler( mapHandler, fileHandler, dirHandler );
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52 handler = new ContentTypeHandler(handler);
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53 handler = new SafeHandler(handler);
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54 handler = new LogHandler(handler);
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55 new Server(8080,handler).start();
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56 }
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58 public static void main(String[] args) throws Exception {
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59 fancy();
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60 }
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61 }