package org.zywx.wbpalmstar.base;
import android.os.ParcelFileDescriptor;
import android.util.Log;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
public class ACEParcelFileDescriptorUtil {
public static ParcelFileDescriptor pipeFrom(InputStream inputStream)
throws IOException {
ParcelFileDescriptor[] pipe = ParcelFileDescriptor.createPipe();
ParcelFileDescriptor readSide = pipe[0];
ParcelFileDescriptor writeSide = pipe[1];
// start the transfer thread
new TransferThread(inputStream, new ParcelFileDescriptor.AutoCloseOutputStream(writeSide))
.start();
return readSide;
}
public static ParcelFileDescriptor pipeTo(OutputStream outputStream)
throws IOException {
ParcelFileDescriptor[] pipe = ParcelFileDescriptor.createPipe();
ParcelFileDescriptor readSide = pipe[0];
ParcelFileDescriptor writeSide = pipe[1];
// start the transfer thread
new TransferThread(new ParcelFileDescriptor.AutoCloseInputStream(readSide), outputStream)
.start();
return writeSide;
}
static class TransferThread extends Thread {
final InputStream mIn;
final OutputStream mOut;
TransferThread(InputStream in, OutputStream out) {
super("ParcelFileDescriptor Transfer Thread");
mIn = in;
mOut = out;
setDaemon(true);
}
@Override
public void run() {
byte[] buf = new byte[1024];
int len;
try {
while ((len = mIn.read(buf)) > 0) {
mOut.write(buf, 0, len);
}
mOut.flush(); // just to be safe
} catch (IOException e) {
Log.e("TransferThread", "writing failed");
e.printStackTrace();
} finally {
try {
mIn.close();
} catch (IOException e) {
e.printStackTrace();
}
try {
mOut.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
}