/*
* Copyright (c) xlightweb.org, 2006 - 2009. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Please refer to the LGPL license at: http://www.gnu.org/copyleft/lesser.txt
* The latest copy of this software may be found on http://www.xlightweb.org/
*/
package org.xlightweb;
import java.io.File;
import java.io.IOException;
import java.io.RandomAccessFile;
import java.nio.ByteBuffer;
import java.nio.channels.FileChannel;
import java.util.logging.Level;
import org.junit.Assert;
import org.junit.Test;
import org.xlightweb.client.HttpClient;
import org.xlightweb.server.HttpServer;
import org.xsocket.connection.IConnection.FlushMode;
public final class DownloadTest {
@Test
public void testSimple() throws Exception {
HttpServer server = new HttpServer(new FileDownloadHandler());
server.start();
HttpClient client = new HttpClient();
File file = QAUtil.createTestfile_40k();
IHttpResponse resp = client.call(new GetRequest("http://localhost:" + server.getLocalPort() + "/" + file.getAbsolutePath()));
byte[] data = resp.getBlockingBody().readBytes();
Assert.assertTrue(QAUtil.isEquals(file, new ByteBuffer[] { ByteBuffer.wrap(data) } ));
file.delete();
client.close();
server.close();
}
private static final class FileDownloadHandler implements IHttpRequestHandler {
public void onRequest(IHttpExchange exchange) throws IOException, BadMessageException {
IHttpRequest request = exchange.getRequest();
String filename = request.getRequestURI();
HttpResponseHeader responseHeader = new HttpResponseHeader(200);
RandomAccessFile raf = new RandomAccessFile(filename, "r");
FileChannel fc = raf.getChannel();
BodyDataSink outChannel = exchange.send(responseHeader, (int) fc.size());
outChannel.setFlushmode(FlushMode.SYNC); // unnecessary, because it is SYNC default
ByteBuffer transferBuffer = ByteBuffer.allocate(8192);
int read = 0;
do {
transferBuffer.clear();
read = fc.read(transferBuffer);
if (read > 0) {
transferBuffer.flip();
outChannel.write(transferBuffer);
}
} while (read != -1);
outChannel.close();
fc.close();
raf.close();
}
}
}