/*
* CapturePlugin by Andreas Hessel (Vidrec@gmx.de), Bodo Tasche
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* CVS information:
* $RCSfile$
* $Source$
* $Date: 2009-09-04 11:15:55 +0200 (Fri, 04 Sep 2009) $
* $Author: bananeweizen $
* $Revision: 5953 $
*/
package captureplugin;
import java.io.File;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import util.io.stream.ObjectInputStreamProcessor;
import util.io.stream.ObjectOutputStreamProcessor;
import util.io.stream.StreamUtilities;
import captureplugin.drivers.DeviceIf;
import captureplugin.drivers.DriverFactory;
import devplugin.Plugin;
/**
* Loads/Saves the Devices
*
* @author bodum
*/
public class DeviceFileHandling {
/** File-Counter */
private int mCount = -1;
/**
* Creates a empty Directory
* @throws java.io.IOException Problems in delete operation
*/
public void clearDirectory() throws IOException{
File dirname = new File(Plugin.getPluginManager().getTvBrowserSettings().getTvBrowserUserHome() + File.separator + "CaptureDevices");
if (!dirname.exists()) {
dirname.mkdir();
}
File[] fileList = dirname.listFiles();
if ((fileList != null) && (fileList.length > 0)) {
for (File file : fileList) {
file.delete();
}
}
mCount = 0;
}
/**
* Saves a Device
* @param dev Device to Save
* @return Filename
* @throws java.io.IOException Problems reading the Device
*/
public String writeDevice(final DeviceIf dev) throws IOException {
if (mCount == -1) {
return null;
}
mCount++;
File data = new File(Plugin.getPluginManager().getTvBrowserSettings().getTvBrowserUserHome() + File.separator +
"CaptureDevices" + File.separator + mCount + ".dat");
StreamUtilities.objectOutputStream(data, new ObjectOutputStreamProcessor() {
public void process(ObjectOutputStream stream) throws IOException {
dev.writeData(stream);
stream.close();
}
});
return data.getName();
}
/**
* Loads a Device
* @param classname Driver-Classname
* @param filename Filename
* @param devname Name of the Device
* @return DeviceIf
* @throws java.io.IOException Problems while reading the device
* @throws ClassNotFoundException Class creation problems
*/
public DeviceIf readDevice(String classname, String filename, String devname) throws IOException, ClassNotFoundException {
final DeviceIf dev = DriverFactory.getInstance().createDevice(classname, devname);
if (dev == null) {
return null;
}
File data = new File(Plugin.getPluginManager().getTvBrowserSettings().getTvBrowserUserHome() + File.separator +
"CaptureDevices" + File.separator + filename);
StreamUtilities.objectInputStreamIgnoringExceptions(data, 0x2000,
new ObjectInputStreamProcessor() {
@Override
public void process(final ObjectInputStream inputStream) throws IOException {
try {
dev.readData(inputStream, false);
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
}});
return dev;
}
}