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 toHexString(byte bytes[]) {
    StringBuffer buf = new StringBuffer();
    for (int i = 0; i < bytes.length; ++i) {
        buf.append(Integer.toHexString(0x0100 + (bytes[i] & 0x00FF)).substring(1));
    }/*from w ww.  j  ava  2 s  .  c o m*/
    return buf.toString();
}

From source file:com.qtplaf.library.util.NumberUtils.java

/**
 * Converts a byte to an HEX string of two bytes (FF).
 * /*from ww  w  . ja  v a 2  s.  com*/
 * @param b The byte to convert.
 * @return The HEX string.
 */
public static String toHexString(byte b) {
    return StringUtils.leftPad(Integer.toHexString(b & 0xff).toUpperCase(), 2, "0");
}

From source file:com.moki.touch.util.UrlUtil.java

/**
 * This method is used to create a filename for cached content
 * @param url the url of the content to be cached
 * @return an MD5 hashed string// w w w. jav  a2s . com
 */
public static String hashUrl(String url) {
    try {
        // Create MD5 Hash
        MessageDigest digest = java.security.MessageDigest.getInstance("MD5");
        digest.update(url.getBytes());
        byte messageDigest[] = digest.digest();

        // Create Hex String
        StringBuffer hexString = new StringBuffer();
        for (int i = 0; i < messageDigest.length; i++) {
            String h = Integer.toHexString(0xFF & messageDigest[i]);
            while (h.length() < 2)
                h = "0" + h;
            hexString.append(h);
        }
        return hexString.toString();

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

From source file:net.hardisonbrewing.signingserver.service.push.PushSIGService.java

public static void register(boolean active) {

    StringBuffer stringBuffer = new StringBuffer();
    stringBuffer.append(BISPushInfo.REGISTER_URL);
    stringBuffer.append("?pin=");
    stringBuffer.append(Integer.toHexString(DeviceInfo.getDeviceId()));
    stringBuffer.append("&active=");
    stringBuffer.append(active);/*w  w w .  j  av a 2  s.  co  m*/

    log.info(stringBuffer.toString());

    ConnectionFactory connectionFactory = new ConnectionFactory();
    ConnectionDescriptor connectionDescriptor = connectionFactory.getConnection(stringBuffer.toString());

    if (connectionDescriptor == null) {
        log.error("Unable to create connection. Push registration not completed.");
        return;
    }

    HttpConnection connection = null;

    try {
        connection = (HttpConnection) connectionDescriptor.getConnection();
        int responseCode = connection.getResponseCode();
        if (responseCode >= 200 && responseCode < 300) {
            log.error("Push registration completed.");
            PushSIGStatusStore.put(active);
            IconService.updateIcon();
        } else {
            log.error("Made connection with server but error[" + responseCode
                    + "] was returned. Push registration not completed.");
        }
    } catch (IOException e) {
        log.error("Exception caught while registering with server. Push registration not completed.");
    } finally {
        IOUtility.safeClose(connection);
    }
}

From source file:com.agiletec.plugins.jpuserreg.aps.system.services.userreg.util.ShaEncoder.java

public static String encodePassword(String password) throws NoSuchAlgorithmException {

    if (password != null) {

        MessageDigest digest = MessageDigest.getInstance("SHA");

        digest.update(password.getBytes());

        byte bytes[] = digest.digest();

        StringBuffer buffer = new StringBuffer();

        for (int i = 0; i < bytes.length; i++) {

            int b = bytes[i] & 0xff;

            if (b < 16) {

                buffer.append("0");

            }//from   w ww. ja  v a2 s  .c o  m

            buffer.append(Integer.toHexString(b));

        }

        password = buffer.toString();

    }

    return password;

}

From source file:com.github.horrorho.inflatabledonkey.data.blob.BlobA6.java

public BlobA6(ByteBuffer blob) {
    super(blob);//from   w  w  w  . java2 s.co m

    if (type() != 0x000000A6) {
        // Presumed type 0x000000A6, consider throwing exception.
        logger.warn("** RespA6() - unexpected type: 0x{}", Integer.toHexString(type()));
    }

    x = blob.getInt();
    blob.get(tag);
    align(blob);

    list = new BlobLists(blob);
    if (list.size() < 3) {
        throw new IllegalArgumentException("too few blob fields: " + list.size());
    }
}

From source file:Main.java

public static String displayPropertiesToCSS(Font font, Color fg) {
    StringBuffer rule = new StringBuffer("body {");
    if (font != null) {
        rule.append(" font-family: ");
        rule.append(font.getFamily());/*from  w  w  w  . java  2s  .  c  o  m*/
        rule.append(" ; ");
        rule.append(" font-size: ");
        rule.append(font.getSize());
        rule.append("pt ;");
        if (font.isBold()) {
            rule.append(" font-weight: 700 ; ");
        }
        if (font.isItalic()) {
            rule.append(" font-style: italic ; ");
        }
    }
    if (fg != null) {
        rule.append(" color: #");
        if (fg.getRed() < 16) {
            rule.append('0');
        }
        rule.append(Integer.toHexString(fg.getRed()));
        if (fg.getGreen() < 16) {
            rule.append('0');
        }
        rule.append(Integer.toHexString(fg.getGreen()));
        if (fg.getBlue() < 16) {
            rule.append('0');
        }
        rule.append(Integer.toHexString(fg.getBlue()));
        rule.append(" ; ");
    }
    rule.append(" }");
    return rule.toString();
}

From source file:Main.java

/**
 * Escapes a string so that it's safe for use as a file or directory name on at least FAT32
 * filesystems. FAT32 is the most restrictive of all filesystems still commonly used today.
 *
 * <p>For simplicity, this only handles common characters known to be illegal on FAT32:
 * <, >, :, ", /, \, |, ?, and *. % is also escaped since it is used as the escape character.
 * Escaping is performed in a consistent way so that no collisions occur and
 * {@link #unescapeFileName(String)} can be used to retrieve the original file name.
 *
 * @param fileName File name to be escaped.
 * @return An escaped file name which will be safe for use on at least FAT32 filesystems.
 *//*from w w w.  j av  a  2s. c  om*/
public static String escapeFileName(String fileName) {
    int length = fileName.length();
    int charactersToEscapeCount = 0;
    for (int i = 0; i < length; i++) {
        if (shouldEscapeCharacter(fileName.charAt(i))) {
            charactersToEscapeCount++;
        }
    }
    if (charactersToEscapeCount == 0) {
        return fileName;
    }

    int i = 0;
    StringBuilder builder = new StringBuilder(length + charactersToEscapeCount * 2);
    while (charactersToEscapeCount > 0) {
        char c = fileName.charAt(i++);
        if (shouldEscapeCharacter(c)) {
            builder.append('%').append(Integer.toHexString(c));
            charactersToEscapeCount--;
        } else {
            builder.append(c);
        }
    }
    if (i < length) {
        builder.append(fileName, i, length);
    }
    return builder.toString();
}

From source file:Main.java

/**
 * @param data the input data.//from  w ww.  j av  a 2s  .c o m
 * @param byteDelimiter a character to separate bytes or null if none is desired.
 * @return the data as a hex string, optionally delimited by the byteDelimiter.
 */
/* package */
static String convertBytesToHex(final byte[] data, final Character byteDelimiter) {
    final StringBuilder sb = new StringBuilder();
    boolean needsSeparator = false;

    for (final byte datum : data) {
        if (needsSeparator && byteDelimiter != null) {
            sb.append(byteDelimiter);
        }

        // get the unsigned portion
        final int v = datum & 0xFF;

        if (v < 0x10) {
            sb.append('0');
        }
        sb.append(Integer.toHexString(v));
        needsSeparator = true;
    }

    return sb.toString();
}

From source file:de.innovationgate.utils.UIDGenerator.java

/**
 * Generates an MD5 hash from the given string
 * @param hashString/*  w w  w  .j  a v a  2  s.  co m*/
 */
public static String generateMD5Hash(String hashString) {
    MessageDigest md5;
    try {
        md5 = MessageDigest.getInstance("MD5");
    } catch (NoSuchAlgorithmException e) {
        return null;
    }

    md5.update(hashString.getBytes());

    byte[] array = md5.digest();
    StringBuffer sb = new StringBuffer();
    for (int j = 0; j < array.length; ++j) {
        int b = array[j] & 0xFF;
        if (b < 0x10)
            sb.append('0');
        sb.append(Integer.toHexString(b));
    }
    return sb.toString();
}