Mercurial Hosting > luan

annotate src/luan/webserver/handlers/FileHandler.java @ 1139:8126370ea8c0

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
webserver - add FileHandler
author Franklin Schmidt <fschmidt@gmail.com>
date Mon, 29 Jan 2018 21:31:24 -0700
parents
children bf03d687eaff
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1139
8126370ea8c0 webserver - add FileHandler
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
1 package luan.webserver.handlers;
8126370ea8c0 webserver - add FileHandler
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
2
8126370ea8c0 webserver - add FileHandler
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
3 import java.io.File;
8126370ea8c0 webserver - add FileHandler
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
4 import java.io.FileInputStream;
8126370ea8c0 webserver - add FileHandler
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
5 import java.io.FileNotFoundException;
8126370ea8c0 webserver - add FileHandler
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
6 import luan.webserver.Handler;
8126370ea8c0 webserver - add FileHandler
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
7 import luan.webserver.Request;
8126370ea8c0 webserver - add FileHandler
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
8 import luan.webserver.Response;
8126370ea8c0 webserver - add FileHandler
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
9
8126370ea8c0 webserver - add FileHandler
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
10
8126370ea8c0 webserver - add FileHandler
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
11 public final class FileHandler implements Handler {
8126370ea8c0 webserver - add FileHandler
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
12 private final File dir;
8126370ea8c0 webserver - add FileHandler
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
13
8126370ea8c0 webserver - add FileHandler
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
14 public FileHandler() {
8126370ea8c0 webserver - add FileHandler
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
15 this(".");
8126370ea8c0 webserver - add FileHandler
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
16 }
8126370ea8c0 webserver - add FileHandler
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
17
8126370ea8c0 webserver - add FileHandler
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
18 public FileHandler(String pathname) {
8126370ea8c0 webserver - add FileHandler
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
19 this(new File(pathname));
8126370ea8c0 webserver - add FileHandler
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
20 }
8126370ea8c0 webserver - add FileHandler
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
21
8126370ea8c0 webserver - add FileHandler
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
22 public FileHandler(File dir) {
8126370ea8c0 webserver - add FileHandler
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
23 if( !dir.isDirectory() )
8126370ea8c0 webserver - add FileHandler
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
24 throw new RuntimeException("must be a directory");
8126370ea8c0 webserver - add FileHandler
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
25 this.dir = dir;
8126370ea8c0 webserver - add FileHandler
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
26 }
8126370ea8c0 webserver - add FileHandler
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
27
8126370ea8c0 webserver - add FileHandler
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
28 public Response handle(Request request) {
8126370ea8c0 webserver - add FileHandler
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
29 File file = new File(dir,request.path);
8126370ea8c0 webserver - add FileHandler
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
30 if( file.isFile() ) {
8126370ea8c0 webserver - add FileHandler
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
31 Response response = new Response();
8126370ea8c0 webserver - add FileHandler
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
32 try {
8126370ea8c0 webserver - add FileHandler
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
33 response.body = new Response.Body( file.length(), new FileInputStream(file) );
8126370ea8c0 webserver - add FileHandler
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
34 } catch(FileNotFoundException e) {
8126370ea8c0 webserver - add FileHandler
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
35 throw new RuntimeException(e);
8126370ea8c0 webserver - add FileHandler
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
36 }
8126370ea8c0 webserver - add FileHandler
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
37 return response;
8126370ea8c0 webserver - add FileHandler
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
38 }
8126370ea8c0 webserver - add FileHandler
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
39 return null;
8126370ea8c0 webserver - add FileHandler
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
40 }
8126370ea8c0 webserver - add FileHandler
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
41 }