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comparison src/luan/webserver/handlers/FileHandler.java @ 1140:bf03d687eaff

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webserver - add dir handling
author Franklin Schmidt <fschmidt@gmail.com>
date Mon, 29 Jan 2018 22:21:59 -0700
parents 8126370ea8c0
children 49fb4e83484f
comparison
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1139:8126370ea8c0 1140:bf03d687eaff
1 package luan.webserver.handlers; 1 package luan.webserver.handlers;
2 2
3 import java.io.File; 3 import java.io.File;
4 import java.io.FileInputStream; 4 import java.io.FileInputStream;
5 import java.io.FileNotFoundException; 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.Date;
6 import luan.webserver.Handler; 11 import luan.webserver.Handler;
7 import luan.webserver.Request; 12 import luan.webserver.Request;
8 import luan.webserver.Response; 13 import luan.webserver.Response;
14 import luan.webserver.ResponseOutputStream;
9 15
10 16
11 public final class FileHandler implements Handler { 17 public final class FileHandler implements Handler {
18 public boolean showDirs = true;
12 private final File dir; 19 private final File dir;
13 20
14 public FileHandler() { 21 public FileHandler() {
15 this("."); 22 this(".");
16 } 23 }
24 throw new RuntimeException("must be a directory"); 31 throw new RuntimeException("must be a directory");
25 this.dir = dir; 32 this.dir = dir;
26 } 33 }
27 34
28 public Response handle(Request request) { 35 public Response handle(Request request) {
29 File file = new File(dir,request.path); 36 try {
30 if( file.isFile() ) { 37 File file = new File(dir,request.path);
31 Response response = new Response(); 38 if( file.isFile() ) {
32 try { 39 Response response = new Response();
33 response.body = new Response.Body( file.length(), new FileInputStream(file) ); 40 response.body = new Response.Body( file.length(), new FileInputStream(file) );
34 } catch(FileNotFoundException e) { 41 return response;
35 throw new RuntimeException(e);
36 } 42 }
37 return response; 43 if( request.path.endsWith("/") && file.isDirectory() && showDirs ) {
44 DateFormat fmt = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss zzz");
45 Response response = new Response();
46 response.headers.put( "Content-Type", "text/html; charset=UTF-8" );
47 Writer writer = new OutputStreamWriter( new ResponseOutputStream(response) );
48 writer.write( "<!doctype html><html>" );
49 writer.write( "<head><style>td{padding: 2px 8px}</style></head>" );
50 writer.write( "<body>" );
51 writer.write( "<h1>Directory: "+request.path+"</h1>" );
52 writer.write( "<table border=0>" );
53 for( File child : file.listFiles() ) {
54 String name = child.getName();
55 if( child.isDirectory() )
56 name += '/';
57 writer.write( "<tr>" );
58 writer.write( "<td><a href='"+name+"'>"+name+"</a></td>" );
59 writer.write( "<td>"+child.length()+" bytes</td>" );
60 writer.write( "<td>"+fmt.format(new Date(child.lastModified()))+"</td>" );
61 writer.write( "</tr>" );
62 }
63 writer.write( "</table>" );
64 writer.write( "</body>" );
65 writer.write( "</html>" );
66 writer.close();
67 return response;
68 }
69 return null;
70 } catch(IOException e) {
71 throw new RuntimeException(e);
38 } 72 }
39 return null;
40 } 73 }
41 } 74 }