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 the mac address String format by the device's bssid bytes format
 * @param bssidBytes the device's bssid bytes format
 * @return the mac address String format
 *//*  w w w.jav a2s .  c  o m*/
public static String getMacAddressStr(byte[] bssidBytes) {
    StringBuilder sb = new StringBuilder();
    String segmentStr = null;
    for (int i = 0; i < bssidBytes.length; ++i) {
        segmentStr = Integer.toHexString(0xff & bssidBytes[i]);
        if (segmentStr.length() == 1) {
            sb.append("0");
        }
        sb.append(segmentStr);
        if (i != bssidBytes.length - 1) {
            sb.append(':');
        }
    }
    return sb.toString().toLowerCase(Locale.US);
}

From source file:Main.java

private static String bytesToHexString(byte[] src) {
    StringBuilder builder = new StringBuilder();
    if (src == null || src.length <= 0) {
        return null;
    }/*from  w  ww .  ja  v  a2 s. c  om*/
    String hv;
    for (int i = 0; i < src.length; i++) {
        hv = Integer.toHexString(src[i] & 0xFF).toUpperCase();
        if (hv.length() < 2) {
            builder.append(0);
        }
        builder.append(hv);
    }
    return builder.toString();
}

From source file:Main.java

static String toHexString(byte[] array) {
    if (array == null)
        return null;
    String s = "";
    for (byte b : array) {
        if ((Integer.toHexString(b).length() < 2))
            s += "0" + Integer.toHexString(b) + " ";
        else if ((Integer.toHexString(b).length() == 2))
            s += Integer.toHexString(b) + " ";
        else {/*  ww  w  .  j  av a2s. co m*/
            String temp = Integer.toHexString(b);
            temp = temp.substring(temp.length() - 2);
            s += temp + " ";
        }
    }
    return s;
}

From source file:Main.java

private static String getLockInfo(ReentrantLock lock) {
    String lockid = "Lock@" + Integer.toHexString(lock.hashCode());
    return "lock " + lockid + " held=" + lock.getHoldCount() + " isHeldMe=" + lock.isHeldByCurrentThread()
            + " hasQueueThreads=" + lock.hasQueuedThreads();
}

From source file:Main.java

private static String bytesToHexString(byte[] bArray) {
    if (bArray == null) {
        return null;
    }//from w ww  .j  a  v  a  2 s . co  m
    if (bArray.length == 0) {
        return "";
    }
    StringBuffer sb = new StringBuffer(bArray.length);
    String sTemp;
    for (int i = 0; i < bArray.length; i++) {
        sTemp = Integer.toHexString(0xFF & bArray[i]);
        if (sTemp.length() < 2)
            sb.append(0);
        sb.append(sTemp.toUpperCase());
    }
    return sb.toString();
}

From source file:Main.java

/**
 * use md5 algorithm/*ww  w  . j ava2  s.c o m*/
 * @param string the String need to encrypt
 * @return the encrypted result
 */
public static String md5(final String string) {
    byte[] hash;
    try {
        hash = MessageDigest.getInstance("MD5").digest(string.getBytes("UTF-8"));
    } catch (NoSuchAlgorithmException e) {
        throw new RuntimeException("MD5 should be supported?", e);
    } catch (UnsupportedEncodingException e) {
        throw new RuntimeException("UTF-8 should be supported?", e);
    }

    StringBuilder hex = new StringBuilder(hash.length * 2);
    for (byte b : hash) {
        if ((b & 0xFF) < 0x10)
            hex.append("0");
        hex.append(Integer.toHexString(b & 0xFF));
    }
    return hex.toString();
}

From source file:com.tag.HexUtils.java

public static String toHex(int i) {
    String hex = Integer.toHexString(i);
    int size = 2;
    hex = StringUtils.leftPad(hex, size, '0');
    hex = hex.toUpperCase();/*from   w  ww.j a  v a2s  .  c o  m*/
    int length = hex.length();
    int beginIndex = length - size;
    return hex.substring(beginIndex);
}

From source file:Main.java

private static String byte2HexStr(byte[] b) {
    StringBuilder sb = new StringBuilder();
    for (int i = 0; i < b.length; ++i) {
        String s = Integer.toHexString(b[i] & 0xFF);
        if (s.length() == 1)
            sb.append("0");

        sb.append(s.toUpperCase());/*from ww  w  . j  a  va2  s .c  o  m*/
    }
    return sb.toString();
}

From source file:Main.java

public static void checkGLError(String msg) {
    int error = GLES20.glGetError();
    if (error != GLES20.GL_NO_ERROR) {
        String str = msg + ": glError 0x" + Integer.toHexString(error);
        Log.e(TAG, str);/* w  ww .  j  a  v  a 2  s  .c o  m*/
        int values[] = new int[2];
        GLES20.glGetIntegerv(GLES20.GL_ARRAY_BUFFER_BINDING, values, 0);
        GLES20.glGetIntegerv(GLES20.GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING, values, 1);
        Log.e(TAG, "Current bound array buffer: " + values[0]);
        Log.e(TAG, "Current bound vertex attrib: " + values[1]);
        throw new RuntimeException(msg);
    }
}

From source file:Main.java

public static String getCheckNum(String ggaString) {
    if (!ggaString.contains("$") || !ggaString.contains("*"))
        return null;
    String test = ggaString.substring(ggaString.indexOf("$") + 1, ggaString.indexOf("*"));
    char result = test.charAt(0);
    for (int i = 1; i < test.length(); i++)
        result ^= test.charAt(i);/*ww w .j  ava 2 s . c o m*/
    String bufferString = Integer.toHexString(result);
    if (bufferString.length() == 1)
        bufferString = "0".concat(bufferString);
    return bufferString;
}