/**
* Fill in our byte buffer if we're out of space by reading the next protocol buffer object.
*
* @throws IOException If {@link
* com.google.protobuf.MessageLite#writeDelimitedTo(java.io.OutputStream)} fails
*/
private void fillBytes() throws IOException {
if (currentBytes.available() > 0) {
return;
}
currentBytes.reset();
while (protoBufferIterator.hasNext() && currentBytes.size() <= 1000) {
protoBufferIterator.next().writeDelimitedTo(currentBytes);
}
}
@Override
public int read(byte[] b, int off, int len) throws IOException {
int total_read = 0;
while (len > 0) {
fillBytes();
int result = currentBytes.read(b, off, len);
if (result == -1) {
return total_read == 0 ? -1 : total_read;
}
len -= result;
total_read += result;
off += result;
}
return total_read;
}
@Override
public void close() throws IOException {
super.close();
currentBytes.close();
}
@Override
public int available() {
return currentBytes.available();
}
@Override
public int read() throws IOException {
fillBytes();
return currentBytes.read();
}
