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Code Issues Releases Wiki Activity

Continue appending to same file if InputStream breaks

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This commit is contained in:
Travis Burtrum 2017-02-28 22:52:10 -05:00
parent 9df6f7b9f7
commit b293263462
1 changed files with 26 additions and 17 deletions
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43
src/main/java/com/moparisthebest/rcrdit/tuner/RecordThread.java
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@ -62,9 +62,7 @@ public class RecordThread extends Thread {
while (running) {
log.debug("recording started {}", recording);
File outputFile = null;
try (InputStream is = getInputStream.apply(recording);
OutputStream os = new FileOutputStream(outputFile = recording.getNewFileToWrite(ext), true);
ReadableByteChannel ic = Channels.newChannel(is);
try (OutputStream os = new FileOutputStream(outputFile = recording.getNewFileToWrite(ext), true);
WritableByteChannel oc = Channels.newChannel(os);
) {
// output file exists now, start onStart events
@ -79,20 +77,31 @@ public class RecordThread extends Thread {
*/
// new io from https://thomaswabner.wordpress.com/2007/10/09/fast-stream-copy-using-javanio-channels/
final ByteBuffer buffer = ByteBuffer.allocateDirect(bufferSize);
while (ic.read(buffer) != -1) {
// prepare the buffer to be drained
buffer.flip();
// write to the channel, may block
oc.write(buffer);
// If partial transfer, shift remainder down
// If buffer is empty, same as doing clear()
buffer.compact();
}
// EOF will leave buffer in fill state
buffer.flip();
// make sure the buffer is fully drained.
while (buffer.hasRemaining()) {
oc.write(buffer);
while(running) {
try (InputStream is = getInputStream.apply(recording);
ReadableByteChannel ic = Channels.newChannel(is);
) {
while (ic.read(buffer) != -1) {
// prepare the buffer to be drained
buffer.flip();
// write to the channel, may block
oc.write(buffer);
// If partial transfer, shift remainder down
// If buffer is empty, same as doing clear()
buffer.compact();
}
// EOF will leave buffer in fill state
buffer.flip();
// make sure the buffer is fully drained.
while (buffer.hasRemaining()) {
oc.write(buffer);
}
} catch (InterruptedIOException | java.nio.channels.ClosedByInterruptException e) {
// ignore
} catch (Throwable e) {
log.error("unknown read exception", e);
}
}
} catch (InterruptedIOException | java.nio.channels.ClosedByInterruptException e) {
// ignore