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:com.mnt.base.util.HashUtil.java

public static String toHexString(byte[] data) {
    StringBuilder sb = new StringBuilder(data.length * 2);

    for (int i = 0; i < data.length; i++) {
        sb.append(DIGITS[(data[i] & 0xf0) >>> 4]);
        sb.append(DIGITS[data[i] & 0x0f]);
    }/*  w  w w  .  j  a va2 s .c  o m*/

    Integer.toHexString(1);

    return sb.toString();
}

From source file:jef.testbase.JefTester.java

static String hexByte(byte b) {
    String s = "000000" + Integer.toHexString(b);
    return s.substring(s.length() - 2);
}

From source file:Main.java

/**
 * Format a string buffer containing the Class, Interfaces, CodeSource, and
 * ClassLoader information for the given object clazz.
 * /*from  w w w .j  a v a  2 s.c om*/
 * @param clazz
 *          the Class
 * @param results -
 *          the buffer to write the info to
 */
public static void displayClassInfo(Class clazz, StringBuffer results) {
    // Print out some codebase info for the clazz
    ClassLoader cl = clazz.getClassLoader();
    results.append("\n");
    results.append(clazz.getName());
    results.append("(");
    results.append(Integer.toHexString(clazz.hashCode()));
    results.append(").ClassLoader=");
    results.append(cl);
    ClassLoader parent = cl;
    while (parent != null) {
        results.append("\n..");
        results.append(parent);
        URL[] urls = getClassLoaderURLs(parent);
        int length = urls != null ? urls.length : 0;
        for (int u = 0; u < length; u++) {
            results.append("\n....");
            results.append(urls[u]);
        }
        if (parent != null)
            parent = parent.getParent();
    }
    CodeSource clazzCS = clazz.getProtectionDomain().getCodeSource();
    if (clazzCS != null) {
        results.append("\n++++CodeSource: ");
        results.append(clazzCS);
    } else
        results.append("\n++++Null CodeSource");

    results.append("\nImplemented Interfaces:");
    Class[] ifaces = clazz.getInterfaces();
    for (int i = 0; i < ifaces.length; i++) {
        Class iface = ifaces[i];
        results.append("\n++");
        results.append(iface);
        results.append("(");
        results.append(Integer.toHexString(iface.hashCode()));
        results.append(")");
        ClassLoader loader = ifaces[i].getClassLoader();
        results.append("\n++++ClassLoader: ");
        results.append(loader);
        ProtectionDomain pd = ifaces[i].getProtectionDomain();
        CodeSource cs = pd.getCodeSource();
        if (cs != null) {
            results.append("\n++++CodeSource: ");
            results.append(cs);
        } else
            results.append("\n++++Null CodeSource");
    }
}

From source file:Main.java

/**
 *  This method encodes a String so that it is a valid XML name, according
 *  to ISO/IEC 9075-14:2003.  Whether a character is considered an XML name
 *  character, please see {@link XMLUtils#isXMLNameChar(int)}.
 *  /*w  w  w  .  ja  v a 2  s .  co m*/
 *  @param src The source string to encode.
 *  @return An encoded string.
 */
public static String encode(String src) {
    StringBuilder sb = new StringBuilder();

    for (int i = 0; i < src.length(); i++) {
        int ch = src.charAt(i);

        if (!isXMLNameChar(ch) || (ch == '_' && i < src.length() - 5 && src.charAt(i + 1) == 'x'
                && (VALID_HEX_CHARS.indexOf(src.charAt(i + 2)) != -1)
                && (VALID_HEX_CHARS.indexOf(src.charAt(i + 3)) != -1)
                && (VALID_HEX_CHARS.indexOf(src.charAt(i + 4)) != -1)
                && (VALID_HEX_CHARS.indexOf(src.charAt(i + 5)) != -1))) {
            sb.append("_x");
            String s = Integer.toHexString(ch);
            for (int j = 0; j < 4 - s.length(); j++)
                sb.append('0');
            sb.append(s);
            sb.append('_');
        } else {
            sb.append((char) ch);
        }
    }

    return sb.toString();
}

From source file:com.apabi.r2k.common.security.util.NonceUtils.java

/**
 * SecureRandom?Integer,?8Hex?.
 */
public static String randomHexInt() {
    return Integer.toHexString(randomInt());
}

From source file:ch.rasc.s4ws.snake.SnakeWebSocketHandler.java

public static String getRandomHexColor() {
    float hue = random.nextFloat();
    // sat between 0.1 and 0.3
    float saturation = (random.nextInt(2000) + 1000) / 10000f;
    float luminance = 0.9f;
    Color color = Color.getHSBColor(hue, saturation, luminance);
    return '#' + Integer.toHexString(color.getRGB() & 0xffffff | 0x1000000).substring(1);
}

From source file:com.gmind7.bakery.websocket.SnakeWebSocketHandler.java

public static String getRandomHexColor() {
    float hue = random.nextFloat();
    // sat between 0.1 and 0.3
    float saturation = (random.nextInt(2000) + 1000) / 10000f;
    float luminance = 0.9f;
    Color color = Color.getHSBColor(hue, saturation, luminance);
    return '#' + Integer.toHexString((color.getRGB() & 0xffffff) | 0x1000000).substring(1);
}

From source file:io.wcm.devops.conga.plugins.aem.crypto.CryptoString.java

/**
 * Converts byte array to hex string enclosed in curly braces.
 * @param data Binary data/*from   ww  w .  j  ava 2s.  com*/
 * @return Binary data string
 */
public static String toString(byte[] data) {
    if (data == null || data.length == 0) {
        throw new IllegalArgumentException("Data is null or empty.");
    }
    StringBuilder text = new StringBuilder(data.length * 2 + 2);
    text.append("{");
    for (int i = 0; i < data.length; i++) {
        String hex = Integer.toHexString(data[i] & 0xff);
        if (hex.length() < 2) {
            text.append("0");
        }
        text.append(hex);
    }
    text.append("}");
    return text.toString();
}

From source file:com.agiletec.plugins.jpnewsletter.aps.system.services.newsletter.util.ShaEncoder.java

public static String encodeWord(String word) throws NoSuchAlgorithmException {
    if (word != null) {
        MessageDigest digest = MessageDigest.getInstance("SHA");
        digest.update(word.getBytes());/*from   ww w. j av  a  2s  . c  o m*/
        byte bytes[] = digest.digest();
        StringBuilder buffer = new StringBuilder();
        for (int i = 0; i < bytes.length; i++) {
            int b = bytes[i] & 0xff;
            if (b < 16) {
                buffer.append("0");
            }
            buffer.append(Integer.toHexString(b));
        }
        word = buffer.toString();
    }
    return word;
}

From source file:fi.jumi.core.ipc.encoding.StringEncodingTest.java

@Test
public void test_serialization_of_String_with_non_printable_characters() {
    for (char c = 0; c < ' '; c++) {
        String original = "" + c;
        assertThat("0x" + Integer.toHexString(c), roundTripString(original), is(original));
    }//  w w w  .j  av a 2s.  c om
}