Mercurial Hosting > luan
changeset 1139:8126370ea8c0
webserver - add FileHandler
author | Franklin Schmidt <fschmidt@gmail.com> |
---|---|
date | Mon, 29 Jan 2018 21:31:24 -0700 |
parents | 4189027691b7 |
children | bf03d687eaff |
files | src/luan/webserver/examples/Example.java src/luan/webserver/handlers/FileHandler.java |
diffstat | 2 files changed, 44 insertions(+), 0 deletions(-) [+] |
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diff -r 4189027691b7 -r 8126370ea8c0 src/luan/webserver/examples/Example.java --- a/src/luan/webserver/examples/Example.java Mon Jan 29 19:48:21 2018 -0700 +++ b/src/luan/webserver/examples/Example.java Mon Jan 29 21:31:24 2018 -0700 @@ -14,6 +14,8 @@ import luan.webserver.handlers.MapHandler; import luan.webserver.handlers.SafeHandler; import luan.webserver.handlers.LogHandler; +import luan.webserver.handlers.FileHandler; +import luan.webserver.handlers.ListHandler; public class Example implements Handler { @@ -41,6 +43,7 @@ Map<String,Handler> map = new HashMap<String,Handler>(); map.put("/hello",handler); handler = new MapHandler(map); + handler = new ListHandler( handler, new FileHandler() ); handler = new SafeHandler(handler); handler = new LogHandler(handler); new Server(8080,handler).start();
diff -r 4189027691b7 -r 8126370ea8c0 src/luan/webserver/handlers/FileHandler.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/luan/webserver/handlers/FileHandler.java Mon Jan 29 21:31:24 2018 -0700 @@ -0,0 +1,41 @@ +package luan.webserver.handlers; + +import java.io.File; +import java.io.FileInputStream; +import java.io.FileNotFoundException; +import luan.webserver.Handler; +import luan.webserver.Request; +import luan.webserver.Response; + + +public final class FileHandler implements Handler { + private final File dir; + + public FileHandler() { + this("."); + } + + public FileHandler(String pathname) { + this(new File(pathname)); + } + + public FileHandler(File dir) { + if( !dir.isDirectory() ) + throw new RuntimeException("must be a directory"); + this.dir = dir; + } + + public Response handle(Request request) { + File file = new File(dir,request.path); + if( file.isFile() ) { + Response response = new Response(); + try { + response.body = new Response.Body( file.length(), new FileInputStream(file) ); + } catch(FileNotFoundException e) { + throw new RuntimeException(e); + } + return response; + } + return null; + } +}