private void doRead(
long classId,
long testId,
boolean allClassOutput,
TestOutputEvent.Destination destination,
java.io.Writer writer) {
if (dataFile == null) {
return;
}
Index targetIndex = index.children.get(classId);
if (targetIndex != null && testId != 0) {
targetIndex = targetIndex.children.get(testId);
}
if (targetIndex == null) {
return;
}
boolean stdout = destination == TestOutputEvent.Destination.StdOut;
Region region = stdout ? targetIndex.stdOut : targetIndex.stdErr;
if (region.start < 0) {
return;
}
boolean ignoreClassLevel = !allClassOutput && testId != 0;
boolean ignoreTestLevel = !allClassOutput && testId == 0;
try {
dataFile.seek(region.start);
while (dataFile.getFilePointer() <= region.stop) {
dataFile.read(recordHeaderBuffer);
Input input = new Input(recordHeaderBuffer);
boolean readStdout = input.readBoolean();
long readClassId = input.readLong();
long readTestId = input.readLong();
int readLength = input.readInt();
input.close();
boolean isClassLevel = readTestId == 0;
if (stdout != readStdout || classId != readClassId) {
dataFile.skipBytes(readLength);
continue;
}
if (ignoreClassLevel && isClassLevel) {
dataFile.skipBytes(readLength);
continue;
}
if (ignoreTestLevel && !isClassLevel) {
dataFile.skipBytes(readLength);
continue;
}
if (testId == 0 || testId == readTestId) {
byte[] stringBytes = new byte[readLength];
dataFile.read(stringBytes);
String message;
try {
message = new String(stringBytes, messageStorageCharset.name());
} catch (UnsupportedEncodingException e) {
// shouldn't happen
throw UncheckedException.throwAsUncheckedException(e);
}
writer.write(message);
} else {
dataFile.skipBytes(readLength);
continue;
}
}
} catch (IOException e1) {
throw new UncheckedIOException(e1);
}
}
public void skipBytes(int num) throws IOException {
raf.skipBytes(num);
}
/** Reads a MIDI track without doing anything to the data */
private void skipATrack(RandomAccessFile dos) throws IOException {
if (VERBOSE) System.out.println("Skipping the tempo track . . .");
dos.readInt();
dos.skipBytes(dos.readInt());
}