|
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.FilterOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
public class MainClass {
public static void main(String[] args) throws IOException {
if (args.length != 3) {
System.out.println("Usage: java TeeCopier infile outfile1 outfile2");
return;
}
FileInputStream fin = new FileInputStream(args[0]);
FileOutputStream fout1 = new FileOutputStream(args[1]);
FileOutputStream fout2 = new FileOutputStream(args[2]);
MyOutputStream tout = new MyOutputStream(fout1, fout2);
copy(fin, tout);
fin.close();
tout.close();
}
public static void copy(InputStream in, OutputStream out) throws IOException {
byte[] buffer = new byte[1024];
while (true) {
int bytesRead = in.read(buffer);
if (bytesRead == -1)
break;
out.write(buffer, 0, bytesRead);
}
}
}
class MyOutputStream extends FilterOutputStream {
private OutputStream out1;
private OutputStream out2;
public MyOutputStream(OutputStream stream1, OutputStream stream2) {
super(stream1);
out1 = stream1;
out2 = stream2;
}
public void write(int b) throws IOException {
out1.write(b);
out2.write(b);
}
public void write(byte[] data, int offset, int length) throws IOException {
out1.write(data, offset, length);
out2.write(data, offset, length);
}
public void flush() throws IOException {
out1.flush();
out2.flush();
}
public void close() throws IOException {
out1.close();
out2.close();
}
}
|