/*
* Copyright 2013 ENTERTAILION LLC
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* <http://www.apache.org/licenses/LICENSE-2.0>
*
* Unless required by applicable law or agreed to in writing, software distributed under the License is
* distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and limitations under the License.
*/
package com.entertailion.java.fling;
import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;
/**
* Custom HTTP server to send video file to ChromeCast device media player;
* support range requests
*
* @author leon_nicholls
*
*/
public class EmbeddedServer extends HttpServer {
private static final String LOG_TAG = "EmbeddedServer";
public static final int HTTP_PORT = 8080;
public static final String CURRENT_FILE = "current.file";
private static final int BUFFER_SIZE = 1024 * 500;
public EmbeddedServer(int port) throws IOException {
super(port);
}
public Response serve(String uri, String method, Properties header,
Properties parms, Properties files) {
try {
Log.d(LOG_TAG, method + " '" + uri + "' ");
/* TODO
if ("POST".equalsIgnoreCase(method)){
Log.d(LOG_TAG, "A POST is received");
Log.d(LOG_TAG, "action Param is:" + parms.getProperty("action"));
return new Response("200", "text/plain", "Ok");
} else if ("GET".equalsIgnoreCase(method)){
String action = parms.getProperty("action");
return new Response("200", "text/plain", "OK");
}
*/
return serveFile(uri, header, new File("."), true, parms);
} catch (Throwable e) {
Log.e(LOG_TAG, "serve", e);
}
return new Response("200", "text/plain", "Ok");
}
/**
* Serves file from homeDir and its' subdirectories (only). Uses only URI,
* ignores all headers and HTTP parameters.
*/
public Response serveFile(String uri, Properties header, File homeDir,
boolean allowDirectoryListing, Properties parms) {
Response res = null;
// Get MIME type from file name extension, if possible
String mime = null;
int dot = uri.lastIndexOf('.');
if (dot >= 0) {
String extension = uri.substring(dot + 1).toLowerCase();
mime = (String) theMimeTypes.get(extension);
}
if (mime == null)
mime = MIME_DEFAULT_BINARY;
try {
if (res == null) {
// Support (simple) skipping:
long startFrom = 0;
long endAt = -1;
String range = header.getProperty("range");
if (range != null) {
if (range.startsWith("bytes=")) {
range = range.substring("bytes=".length());
int minus = range.indexOf('-');
try {
if (minus > 0) {
startFrom = Long.parseLong(range.substring(0,
minus));
endAt = Long.parseLong(range
.substring(minus + 1));
}
} catch (NumberFormatException nfe) {
}
}
}
// Change return code and add Content-Range header when skipping
// is requested
Properties systemProperties = System.getProperties();
File file = new File(
systemProperties
.getProperty(EmbeddedServer.CURRENT_FILE));
long fileLen = file.length();
if (range != null && startFrom >= 0) {
if (startFrom >= fileLen) {
res = new Response(HTTP_RANGE_NOT_SATISFIABLE,
MIME_PLAINTEXT, "");
res.addHeader("Content-Range", "bytes 0-0/" + fileLen);
} else {
if (endAt < 0)
endAt = fileLen - 1;
long newLen = endAt - startFrom + 1;
if (newLen < 0)
newLen = 0;
final long dataLen = newLen;
InputStream reqIs = new BufferedInputStream(
new FileInputStream(file), BUFFER_SIZE);
reqIs.skip(startFrom);
res = new Response(HTTP_PARTIALCONTENT, mime, reqIs);
res.addHeader("Content-Length", "" + dataLen);
res.addHeader("Content-Range", "bytes " + startFrom
+ "-" + endAt + "/" + fileLen);
}
} else {
InputStream reqIs = new BufferedInputStream(
new FileInputStream(file), BUFFER_SIZE);
res = new Response(HTTP_OK, mime, reqIs);
res.addHeader("Content-Length", "" + fileLen);
}
}
} catch (Exception e) {
res = new Response(HTTP_FORBIDDEN, MIME_PLAINTEXT,
"FORBIDDEN: Reading file failed.");
}
res.addHeader("Accept-Ranges", "bytes"); // Announce that the file
// server accepts partial
// content requestes
return res;
}
}