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

/**
 * Get characters' unicode in hexadecimal.
 *//*  w  w w . j  a va 2  s.  c  o  m*/
public static String getUnicode(String text, int len_limit) {
    if (TextUtils.isEmpty(text) || len_limit <= 0) {
        return "";
    }

    StringBuilder stringBuilder = new StringBuilder();

    final char[] CHARS = text.toCharArray();
    for (int len = CHARS.length, i = len - 1; i >= 0; --i) {
        if (len - i <= len_limit) {
            stringBuilder.insert(0, Integer.toHexString(CHARS[i]).toUpperCase());
            stringBuilder.insert(0, " ");
        } else {
            stringBuilder.insert(0, " ...");
            break;
        }
    }

    //Remove the first superfluous " ".
    return stringBuilder.substring(1);
}

From source file:Main.java

public static final String md5(String tps) {
    final String MD5 = "MD5";
    try {/*from w  w w.j a  va  2s .c  o  m*/
        // Create MD5 Hash
        MessageDigest digest = MessageDigest.getInstance(MD5);
        digest.update(tps.getBytes());
        byte messageDigest[] = digest.digest();

        // Create Hex String
        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 final String encryptMd5String(String s) {
    try {//from w  w w .j av a2s. c  o  m
        byte[] btInput = s.getBytes();
        MessageDigest mdInst = MessageDigest.getInstance("MD5");
        mdInst.update(btInput);
        byte[] md = mdInst.digest();
        StringBuffer sb = new StringBuffer();
        for (int i = 0; i < md.length; i++) {
            int val = ((int) md[i]) & 0xff;
            if (val < 16) {
                sb.append("0");
            }
            sb.append(Integer.toHexString(val));
        }
        return sb.toString();
    } catch (Exception e) {
        return null;
    }
}

From source file:Main.java

static public String md5(String string) {
    try {/*  w  w w. ja v  a  2 s . com*/
        // Create MD5 Hash
        java.security.MessageDigest digest = java.security.MessageDigest.getInstance("MD5");
        digest.update(string.getBytes());
        byte messageDigest[] = digest.digest();

        // Create Hex String
        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 md5(String s) {

    sMd5MessageDigest.reset();//from  w w w  .  j a v  a 2s  .c  o  m
    sMd5MessageDigest.update(s.getBytes());

    byte digest[] = sMd5MessageDigest.digest();

    sStringBuilder.setLength(0);
    for (int i = 0; i < digest.length; i++) {
        final int b = digest[i] & 255;
        if (b < 16) {
            sStringBuilder.append('0');
        }
        sStringBuilder.append(Integer.toHexString(b));
    }

    return sStringBuilder.toString();
}

From source file:Main.java

public static void buildShortClassTag(Object cls, StringBuilder out) {
    if (cls == null) {
        out.append("null");
        return;//  www.  j  a  v  a2 s .c  o m
    }
    String simpleName = cls.getClass().getSimpleName();
    if (simpleName == null || simpleName.length() <= 0) {
        simpleName = cls.getClass().getName();
        int end = simpleName.lastIndexOf(46);
        if (end > 0) {
            simpleName = simpleName.substring(end + 1);
        }
    }
    out.append(simpleName);
    out.append('{');
    out.append(Integer.toHexString(System.identityHashCode(cls)));
}

From source file:Main.java

private static String encodeChar(char c) {
    StringBuilder buf = new StringBuilder();
    buf.append("_x");
    String str = Integer.toHexString(c);
    for (int i = 4 - str.length(); i > 0; i--) {
        buf.append("0");
    }//from  w w  w  .j ava 2 s.c om
    return buf.append(str).append("_").toString();
}

From source file:Main.java

private static String md5(String input) {
    final String MD5 = "MD5";
    try {//w w  w  .  j  a  va  2s.  c o m
        // Create MD5 Hash
        MessageDigest digest = java.security.MessageDigest.getInstance(MD5);
        digest.update(input.getBytes());
        byte messageDigest[] = digest.digest();

        // Create Hex String
        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 null;
}

From source file:Main.java

private static final String md5(final String s) {
    final String MD5 = "MD5";
    try {//from  w  w w . j ava2s .  c  o  m
        // Create MD5 Hash
        MessageDigest digest = java.security.MessageDigest.getInstance(MD5);
        digest.update(s.getBytes());
        byte messageDigest[] = digest.digest();

        // Create Hex String
        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 getARGBString(int value) {
    return "#" + Integer.toHexString(value);
}