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

private 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  ww.j  ava2  s.com
        sb.append(Integer.toHexString(v));
    }
    return sb.toString().toUpperCase();
}

From source file:Main.java

public static String calculateMD5(String string, String encoding) {
    try {/*w w  w. j a  v a2 s .c  o m*/
        MessageDigest md = MessageDigest.getInstance("MD5");
        byte[] array = md.digest(string.getBytes(Charset.forName(encoding)));
        StringBuffer sb = new StringBuffer();
        for (int i = 0; i < array.length; ++i) {
            sb.append(Integer.toHexString((array[i] & 0xFF) | 0x100).substring(1, 3));
        }
        return sb.toString();
    } catch (NoSuchAlgorithmException e) {
    }
    return null;
}

From source file:Main.java

public static String md5(String input) {
    String res = "";
    try {//from  ww w  .ja va  2 s.c om
        MessageDigest algorithm = MessageDigest.getInstance("MD5");
        algorithm.reset();
        algorithm.update(input.getBytes());
        byte[] md5 = algorithm.digest();
        String tmp = "";
        for (int i = 0; i < md5.length; i++) {
            tmp = (Integer.toHexString(0xFF & md5[i]));
            if (tmp.length() == 1) {
                res += "0" + tmp;
            } else {
                res += tmp;
            }
        }
    } catch (NoSuchAlgorithmException ex) {
    }
    return res;
}

From source file:Main.java

public static void checkGlError(String glOp) {
    int error = GLES20.glGetError();
    if (GLES20.GL_NO_ERROR != error) {
        String errorStr = GLU.gluErrorString(error);
        if (null == errorStr) {
            errorStr = GLUtils.getEGLErrorString(error);
        }//from w ww  .ja  v  a2 s.  com

        String msg = glOp + " caused GL error 0x" + Integer.toHexString(error) + ":" + errorStr;
        throw new GLException(error, msg);
    }
}

From source file:Main.java

public static String encodeEntity(int entity) {
    if (entities.containsKey(entity))
        return entities.get(entity);
    if (entity < 128)
        return Character.toString((char) entity);
    if (entity < 10000)
        return "&#" + entity + ";";
    else//from   ww  w  . ja va  2s.  c  o  m
        return "&#x" + Integer.toHexString(entity) + ";";
}

From source file:Main.java

public static String signature(String source) {

    try {/*from w w w.  jav a  2 s .c  om*/
        MessageDigest md = MessageDigest.getInstance("MD5");

        md.reset();
        md.update(source.getBytes());

        byte[] mdbytes = md.digest();

        StringBuffer hexString = new StringBuffer();
        for (int i = 0; i < mdbytes.length; i++) {
            String hex = Integer.toHexString(0xff & mdbytes[i]);
            if (hex.length() == 1)
                hexString.append('0');
            hexString.append(hex);
        }
        return hexString.toString();

    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    }
    return null;
}

From source file:Main.java

private static String getMd5(String md5) throws Exception {
    MessageDigest md = java.security.MessageDigest.getInstance(MD5);
    byte[] array = md.digest(md5.getBytes(CHARSET_NAME));
    StringBuffer sb = new StringBuffer();
    for (int i = 0; i < array.length; ++i) {
        sb.append(Integer.toHexString((array[i] & 0xFF) | 0x100).substring(1, 3));
    }/*from ww  w .  ja  va2 s  . c  o  m*/
    return sb.toString();
}

From source file:Main.java

public static final String toHexString(byte[] paramArrayOfByte) {
    int i = paramArrayOfByte.length * 2;
    StringBuffer localStringBuffer1 = new StringBuffer(i);
    int j = 0;/*from   w  w  w .ja va2 s  .c o m*/
    while (true) {
        int k = paramArrayOfByte.length;
        if (j >= k)
            return localStringBuffer1.toString().toLowerCase();
        int m = paramArrayOfByte[j] & 0xFF;
        if (m < 16)
            localStringBuffer1.append(48);
        String str = Integer.toHexString(m);
        StringBuffer localStringBuffer3 = localStringBuffer1.append(str);
        j += 1;
    }
}

From source file:Main.java

public static String MD5(final String s) {
    final String MD5 = "MD5";
    try {//from ww w .j  a v  a  2s . co m
        MessageDigest digest = java.security.MessageDigest.getInstance(MD5);
        digest.update(s.getBytes());
        byte messageDigest[] = digest.digest();

        StringBuilder hexString = new StringBuilder();
        for (byte aMessageDigest : messageDigest) {
            String h = Integer.toHexString(0xFF & aMessageDigest);
            while (h.length() < 2)
                h = "0" + h;
            hexString.append(h);
        }
        return hexString.toString();

    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    }
    return "";
}

From source file:Main.java

public static String byte2hex(byte[] buffer, int len) {
    String h = "";

    for (int i = 0; i < len; i++) {
        String temp = Integer.toHexString(buffer[i] & 0xFF);
        if (temp.length() == 1) {
            temp = "0" + temp;
        }//from   w  w w .  j  a  v  a2  s. c  o  m
        h = h + " " + temp;
    }

    return h;
}