get Hex String for byte array and int array - Android java.lang

Android examples for java.lang:Byte Array

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Description

get Hex String for byte array and int array

Demo Code

public class Main{
    public static final String HEX_STRING_BLANK_SPLIT = " ";
    public static final String HEX_STRING_NOT_SPLIT = "";
    public static String getHexString(byte[] b) {
        return getHexString(b, HEX_STRING_BLANK_SPLIT);
    }/*from   w w  w  .java2s.c om*/
    public static String getHexString(byte[] b, String splitString) {
        int[] intArray = new int[b.length];
        for (int i = 0; i < b.length; i++) {
            if (b[i] < 0) {
                intArray[i] = b[i] + 256;
            } else {
                intArray[i] = b[i];
            }
        }
        return getHexString(intArray, splitString);
    }
    public static String getHexString(int[] b) {
        return getHexString(b, HEX_STRING_BLANK_SPLIT);
    }
    public static String getHexString(int[] b, String splitString) {
        StringBuffer sb = new StringBuffer();
        for (int c : b) {
            String strData = Integer.toHexString(c);
            if (strData.length() == 1) {
                sb.append("0").append(strData);
            } else {
                sb.append(strData);
            }
            sb.append(splitString);
        }
        return sb.toString().trim();
    }
    public static String getHexString(int i) {
        return getHexString(new int[] { i });
    }
    public static String getHexString(byte i) {
        return getHexString(new byte[] { i });
    }

}

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