Mega Code Archive
Copy file with FileChannel
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import java.io.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.nio.channels.FileChannel;
public class FileUtils {
public static void copyFile(File in, File out) throws IOException {
FileChannel inChannel = new FileInputStream(in).getChannel();
FileChannel outChannel = new FileOutputStream(out).getChannel();
try {
// magic number for Windows, 64Mb - 32Kb)
int maxCount = (64 * 1024 * 1024) - (32 * 1024);
long size = inChannel.size();
long position = 0;
while (position < size) {
position += inChannel
.transferTo(position, maxCount, outChannel);
}
} catch (IOException e) {
throw e;
} finally {
if (inChannel != null)
inChannel.close();
if (outChannel != null)
outChannel.close();
}
}
public static void makeFile(String Path, String content) {
try {
// Create file
FileWriter fstream = new FileWriter(Path);
BufferedWriter bf = new BufferedWriter(fstream);
bf.write(content);
// Close the output stream
bf.close();
} catch (Exception e) {// Catch exception if any
System.err.println("Error: " + e.getMessage());
}
}
public static void main(String args[]) throws IOException {
FileUtils.copyFile(new File(args[0]), new File(args[1]));
}
}
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