private Jp2File getOpenJ2pFile(File outputFile) throws IOException {
Jp2File jp2File = openFiles.get(outputFile);
if (jp2File == null) {
jp2File = new Jp2File();
jp2File.file = outputFile;
jp2File.stream = new FileImageInputStream(outputFile);
jp2File.header = jp2File.stream.readLine();
jp2File.dataPos = jp2File.stream.getStreamPosition();
final String[] tokens = jp2File.header.split(" ");
if (tokens.length != 6) {
throw new IOException("Unexpected tile format");
}
// String pg = tokens[0]; // PG
// String ml = tokens[1]; // ML
// String plus = tokens[2]; // +
int jp2Width;
int jp2Height;
try {
// int jp2File.nbits = Integer.parseInt(tokens[3]);
jp2File.width = Integer.parseInt(tokens[4]);
jp2File.height = Integer.parseInt(tokens[5]);
} catch (NumberFormatException e) {
throw new IOException("Unexpected tile format");
}
openFiles.put(outputFile, jp2File);
}
return jp2File;
}
