.rsrc Reader

// setup I/O stuff
FileInputStream inStream;
FileChannel inChan;
inStream = new FileInputStream(base);
inChan = inStream.getChannel();
ByteBuffer uBuf = ByteBuffer.allocate(2);
uBuf.order(ByteOrder.LITTLE_ENDIAN);
inChan.position(rsrcPtr + 12);
inChan.read(uBuf);
uBuf.flip();
short nameNum = uBuf.getShort();
uBuf.clear();
inChan.read(uBuf);
uBuf.flip();
short idNum = uBuf.getShort();
ByteBuffer uBuf4 = ByteBuffer.allocate(4);
uBuf4.order(ByteOrder.LITTLE_ENDIAN);
// read name entries
for (int i = 0; i < nameNum; i++) {
    System.out.println(
            "Reading name entry " + i + " (at 0x" + Long.toHexString(inChan.position()).toUpperCase() + "):");
    inChan.read(uBuf4);
    uBuf4.flip();
    int nameOffset = uBuf4.getInt();
    System.out.println("nameOffset=0x" + Integer.toHexString(nameOffset).toUpperCase());
    uBuf4.clear();
    inChan.read(uBuf4);
    uBuf4.flip();
    int otherThing = uBuf4.getInt();
    if ((otherThing & (1 << 31)) == 0)
        // "other thing" is data entry offset
        System.out.println("dataEntryOffset=0x" + Integer.toHexString(otherThing).toUpperCase());
    else {
        // "other thing" is subdirectory offset
        otherThing ^= 1 << 31; // unset high bit
        System.out.println("subdirectoryOffset=0x" + Integer.toHexString(otherThing).toUpperCase());
    }
}
// read ID entries
for (int i = 0; i < idNum; i++) {
    System.out.println(
            "Reading ID entry " + i + " (at 0x" + Long.toHexString(inChan.position()).toUpperCase() + "):");
    inChan.read(uBuf4);
    uBuf4.flip();
    int id = uBuf4.getInt();
    System.out.println("id=0x" + Integer.toHexString(id).toUpperCase());
    uBuf4.clear();
    inChan.read(uBuf4);
    uBuf4.flip();
    int otherThing = uBuf4.getInt();
    if ((otherThing & (1 << 31)) == 0)
        // "other thing" is data entry offset
        System.out.println("dataEntryOffset=0x" + Integer.toHexString(otherThing).toUpperCase());
    else {
        // "other thing" is subdirectory offset
        otherThing ^= 1 << 31; // unset high bit
        System.out.println("subdirectoryOffset=0x" + Integer.toHexString(otherThing).toUpperCase());
    }
}
inStream.close();