Example usage for java.lang Integer toHexString

Introduction

In this page you can find the example usage for java.lang Integer toHexString.

Prototype

public static String toHexString(int i)

Source Link

Document

Returns a string representation of the integer argument as an unsigned integer in base 16.

Usage

From source file:Main.java

public static String bytesToHexString(byte[] src) {

    StringBuilder stringBuilder = new StringBuilder("");
    if (src == null || src.length <= 0) {
        return null;
    }/*from w  w w .  j ava2 s . co  m*/
    for (int i = 0; i < src.length; i++) {
        int v = src[i] & 0xFF;
        String hv = Integer.toHexString(v);
        if (hv.length() < 2) {
            stringBuilder.append(0);
        }
        stringBuilder.append(hv);
    }
    return stringBuilder.toString().toUpperCase();

}

From source file:Main.java

public static String toBrowserHexValue(int number) {
    StringBuilder builder = new StringBuilder(Integer.toHexString(number & 0xff));
    while (builder.length() < 2) {
        builder.append("0");
    }/*from   w  ww.j a  v  a2  s  .  c  o m*/
    return builder.toString().toUpperCase();
}

From source file:Main.java

public static String getHexStr(byte[] b) {
    StringBuilder builder = new StringBuilder();
    ByteArrayInputStream input = new ByteArrayInputStream(b);
    int i = 0;// w  ww  .j a  v  a2  s  . c om
    while ((i = input.read()) != -1) {
        builder.append(
                Integer.toHexString(i).length() == 2 ? Integer.toHexString(i) : 0 + Integer.toHexString(i));
        builder.append(" ");
    }
    return builder.toString();
}

From source file:Main.java

private static String convertToMac(byte[] mac) {
    StringBuilder sb = new StringBuilder();
    for (int i = 0; i < mac.length; i++) {
        byte b = mac[i];
        int value = 0;
        if (b >= 0 && b <= 16) {
            value = b;// w ww .  j  a  v a  2 s. c  om
            sb.append("0" + Integer.toHexString(value));
        } else if (b > 16) {
            value = b;
            sb.append(Integer.toHexString(value));
        } else {
            value = 256 + b;
            sb.append(Integer.toHexString(value));
        }
        if (i != mac.length - 1) {
            sb.append(":");
        }
    }
    return sb.toString();
}

From source file:Main.java

public static String byteArrayToHexString(byte[] b) {
    StringBuffer sb = new StringBuffer(b.length * 2);
    for (int i = 0; i < b.length; i++) {
        int v = b[i] & 0xff;
        if (v < 16) {
            sb.append('0');
        }/*from   w  w  w .  j  a v  a2 s .  c o  m*/
        sb.append(Integer.toHexString(v));
    }
    return sb.toString().toUpperCase();
}

From source file:Main.java

public static String byteArrayToHexString(byte[] array) {
    StringBuffer hexString = new StringBuffer();
    for (byte b : array) {
        int intVal = b & 0xff;
        if (intVal < 0x10)
            hexString.append("0");
        hexString.append(Integer.toHexString(intVal));
    }//from  w w  w  . j ava  2 s  .com
    return hexString.toString();
}

From source file:Main.java

public static void checkGLError(String op) {
    for (int error = GLES20.glGetError(); error != 0; error = GLES20.glGetError())
        Log.e(LOGTAG, "After operation " + op + " got glError 0x" + Integer.toHexString(error));
}

From source file:Main.java

/**
 * byte 2 hex code/*from   w  ww.  java2  s.c  o m*/
 *
 * @param bytes
 * @return
 */
private static String byte2Hex(byte[] bytes) {
    StringBuilder builder = new StringBuilder(bytes.length * 2);
    for (int i = 0; i < bytes.length; i++) {
        String h = Integer.toHexString(bytes[i]);
        int l = h.length();
        if (l == 1)
            h = "0" + h;
        if (l > 2)
            h = h.substring(l - 2, l);
        builder.append(h.toUpperCase());
        if (i < (bytes.length - 1))
            builder.append(':');
    }
    return builder.toString();
}

From source file:Main.java

public static String binaryToHexString(byte[] messageDigest) {
    // Create Hex String
    StringBuffer hexString = new StringBuffer();
    for (int i = 0; i < messageDigest.length; i++) {
        int by = 0xFF & messageDigest[i];
        if (by < 0x10) {
            hexString.append("0").append(Integer.toHexString(by));
        } else if (by >= 0x10) {
            hexString.append(Integer.toHexString(by));
        }//from  ww  w.  j  av a2  s.c  o m
    }
    return hexString.toString();
}

From source file:Main.java

public static String hex2(int val) {
    String a = Integer.toHexString(val);
    if (a.length() < 2) {
        a = "0" + a;
    }/*from w  ww.  j  a  v  a  2s. com*/
    return a;
}