public static void combine(List<String> fileNames, String outputName) throws IOException {
FileOutputStream fos = new FileOutputStream(outputName);
GrowQueue_I8 buffer = new GrowQueue_I8();
for (String s : fileNames) {
File f = new File(s);
FileInputStream fis = new FileInputStream(f);
long length = f.length();
buffer.resize((int) length);
// write out header
fos.write(255);
fos.write(255);
fos.write(255);
fos.write((byte) (length >> 24));
fos.write((byte) (length >> 16));
fos.write((byte) (length >> 8));
fos.write((byte) (length));
fis.read(buffer.data, 0, (int) length);
fos.write(buffer.data, 0, (int) length);
}
}
public static boolean readNext(DataInputStream fis, GrowQueue_I8 output) throws IOException {
int r;
if ((r = fis.read()) != 0xFF || (r = fis.read()) != 0xFF || (r = fis.read()) != 0xFF)
if (r == -1) return false;
else throw new IllegalArgumentException("Bad header byte: " + r);
int length =
((fis.read() & 0xFF) << 24)
| ((fis.read() & 0xFF) << 16)
| ((fis.read() & 0xFF) << 8)
| (fis.read() & 0xFF);
output.resize(length);
fis.read(output.data, 0, length);
return true;
}