IRCode.java

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/*
 * Copyright 2012 Phidgets Inc.  All rights reserved.
 */

package com.phidgets;
public final class IRCode
{
        private short[] data;
        public short[] getData()
        {
                return data;
        }
        private int bitCount;
        public int getBitCount()
        {
                return bitCount;
        }

        public IRCode(String code, int bitCount)
        { 
                this.data = HexToData(code);
                this.bitCount = bitCount;
        }

        public IRCode(short[] data, int bitCount)
        { 
                int length = (bitCount / 8) + ((bitCount % 8 > 0) ? 1 : 0);

                this.data = new short[length];
                for (int i = 0; i < length; i++)
                        this.data[i] = data[i];

                this.bitCount = bitCount;
        }

        private short[] HexToData(String hexString)
        {
                if (hexString == null)
                        return null;

                if (hexString.startsWith("0x")){
                        hexString = hexString.substring(2);
                }
        
                if (hexString.length() % 2 == 1)
                        hexString = '0' + hexString; // Up to you whether to pad the first or last byte

                short[] data = new short[hexString.length() / 2];

                for (int i = 0; i < data.length; i++){
                        data[i] = (short) Integer.parseInt(hexString.substring(i * 2, (i * 2) + 2), 16);
                }

                return data;
        }
    private char[] hexlookup = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
        public String toString()
        {
                String out = "";
                for(int i=0;i<data.length;i++)
                {
                        out = out + (hexlookup[data[i] / 16]);
                        out = out + (hexlookup[data[i] % 16]);
                }
                return out;
        }
}