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comparison src/goodjava/webserver/handlers/DirHandler.java @ 1402:27efb1fcbcb5

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move luan.lib to goodjava
author Franklin Schmidt <fschmidt@gmail.com>
date Tue, 17 Sep 2019 01:35:01 -0400
parents src/luan/lib/webserver/handlers/DirHandler.java@643cf1c37723
children 55d7b60c074d
comparison
equal deleted inserted replaced
1401:ef1620aa99cb 1402:27efb1fcbcb5
1 package goodjava.webserver.handlers;
2
3 import java.io.File;
4 import java.io.FileInputStream;
5 import java.io.Writer;
6 import java.io.OutputStreamWriter;
7 import java.io.IOException;
8 import java.text.DateFormat;
9 import java.text.SimpleDateFormat;
10 import java.util.Arrays;
11 import java.util.Comparator;
12 import java.util.Date;
13 import goodjava.webserver.Handler;
14 import goodjava.webserver.Request;
15 import goodjava.webserver.Response;
16 import goodjava.webserver.ResponseOutputStream;
17
18
19 public final class DirHandler implements Handler {
20 private final FileHandler fileHandler;
21
22 public DirHandler(FileHandler fileHandler) {
23 this.fileHandler = fileHandler;
24 }
25
26 private static final Comparator<File> sorter = new Comparator<File>() {
27 public int compare(File f1, File f2) {
28 return f1.getName().compareTo(f2.getName());
29 }
30 };
31
32 public Response handle(Request request) {
33 try {
34 File file = fileHandler.file(request);
35 if( request.path.endsWith("/") && file.isDirectory() ) {
36 DateFormat fmt = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss zzz");
37 Response response = new Response();
38 response.headers.put( "content-type", "text/html; charset=utf-8" );
39 Writer writer = new OutputStreamWriter( new ResponseOutputStream(response) );
40 writer.write( "<!doctype html><html>" );
41 writer.write( "<head><style>td{padding: 2px 8px}</style></head>" );
42 writer.write( "<body>" );
43 writer.write( "<h1>Directory: "+request.path+"</h1>" );
44 writer.write( "<table border=0>" );
45 File[] a = file.listFiles();
46 Arrays.sort(a,sorter);
47 for( File child : a ) {
48 String name = child.getName();
49 if( child.isDirectory() )
50 name += '/';
51 writer.write( "<tr>" );
52 writer.write( "<td><a href='"+name+"'>"+name+"</a></td>" );
53 writer.write( "<td>"+child.length()+" bytes</td>" );
54 writer.write( "<td>"+fmt.format(new Date(child.lastModified()))+"</td>" );
55 writer.write( "</tr>" );
56 }
57 writer.write( "</table>" );
58 writer.write( "</body>" );
59 writer.write( "</html>" );
60 writer.close();
61 return response;
62 }
63 return null;
64 } catch(IOException e) {
65 throw new RuntimeException(e);
66 }
67 }
68 }