Example usage for java.lang String toCharArray

Introduction

In this page you can find the example usage for java.lang String toCharArray.

Prototype

public char[] toCharArray()

Source Link

Document

Converts this string to a new character array.

Usage

From source file:Main.java

public static byte[] hexStringToBytes(String hexString) {
    if (hexString == null || hexString.equals("")) {
        return null;
    }//from   w  w w  .  j  a va2s  .c om
    int length = hexString.length() / 2;
    char[] hexChars = hexString.toCharArray();
    byte[] d = new byte[length];
    for (int i = 0; i < length; i++) {
        int pos = i * 2;
        d[i] = (byte) (charToByte(hexChars[pos]) << 4 | charToByte(hexChars[pos + 1]));
    }
    return d;
}

From source file:Main.java

public static String longestCommonStringImproved(String str1, String str2) {
    if (str1 == null || str2 == null || str1.length() == 0 || str2.length() == 0)
        return null;

    char[] cc1 = str1.toCharArray();
    char[] cc2 = str2.toCharArray();

    int[][] table = new int[cc1.length + 1][cc2.length + 1];
    int startIndex = 0, maxLength = 0;

    for (int i = 0; i < cc1.length; i++) {
        for (int j = 0; j < cc2.length; j++) {
            calledTimes++;//from  w w w  . jav a2 s  . c  om
            if (cc1[i] == cc2[j]) {
                if (i == 0 || j == 0)
                    table[i + 1][j + 1] = 1;
                else {
                    table[i + 1][j + 1] = table[i][j] + 1;
                }
                if (table[i + 1][j + 1] > maxLength) {
                    maxLength = table[i + 1][j + 1];
                    startIndex = i;
                }
            }
        }
    }

    // abcd  bcd
    return str1.substring(startIndex + 1 - maxLength, startIndex + 1);
}

From source file:arena.utils.Base64.java

/**
 * Expects the classic base64 "abcdefgh=" syntax (equals padded)
 * and decodes it to original form//  w  w  w.jav  a 2s.  c  om
 */
public static byte[] decodeBase64(String input) {
    char[] inBytes = input.toCharArray();
    byte[] outBytes = new byte[(int) (inBytes.length * 0.75f)]; // always mod 4 = 0

    LogFactory.getLog(Base64.class)
            .debug("Base64 decoding: in=" + inBytes.length + " chars, out=" + outBytes.length + " bytes");
    int length = decodeBase64(inBytes, outBytes);
    byte returnValue[] = new byte[length];
    System.arraycopy(outBytes, 0, returnValue, 0, length);
    return returnValue;
}

From source file:cl.whyem.testsutilityproject.otpgenerator.KeyBase.java

protected static byte[] dec(String val) {
    try {//from w  w w  . j a  v  a 2  s.  c om
        return Hex.decodeHex(val.toCharArray());
    } catch (Throwable t) {
        throw new RuntimeException(t);
    }
}

From source file:com.sangupta.andruil.utils.ArgumentUtils.java

/**
 * Check if the given argument represents a number or not.
 * /*from  ww w  .j  a va 2  s. c  o  m*/
 * @param arg
 * @return
 */
public static boolean isNumber(String arg) {
    if (arg == null) {
        return false;
    }

    char[] num = arg.toCharArray();
    int index = 0;
    char c;
    for (; index < num.length; index++) {
        c = num[index];
        if (c < '0' || c > '9' || c != '-' || c != '+' || c != '.') {
            return false;
        }
    }

    return true;
}

From source file:gov.va.vinci.leo.tools.XmlFilter.java

/**
 * Return a copy of the input string with non XML-1.0 characters replaced by spaces.
 *
 * @param str Input string whose text will be filtered.
 * @return Filtered copy of the input string
 *//*w  w w .j  a v  a  2s .c o m*/
public static String toXml10(final String str) {
    StringBuilder sb = new StringBuilder(str.length());
    char[] chars = str.toCharArray();
    for (int i = 0; i < chars.length; i++) {
        if (XMLUtils.checkForNonXmlCharacters(chars, i, 1, false) == -1) {
            sb.append(chars[i]);
        } else {
            sb.append(' ');
        } //else
    } //for
    return sb.toString();
}

From source file:Main.java

/**
 * Pretty crap long hashcode algo. FIXME
 * @param s The string to get the long hash code for
 * @return the long has code/*from   www  .ja v a 2 s  .co m*/
 */
public static long longHashCode(String s) {
    long h = 0;
    int len = s.length();
    int off = 0;
    int hashPrime = s.hashCode();
    char val[] = s.toCharArray();
    for (int i = 0; i < len; i++) {
        h = (31 * h + val[off++] + (hashPrime * h));
    }
    return h;
}

From source file:cn.hxh.springside.utils.EncodeUtils.java

/**
 * Hex?, String->byte[].//from   w  ww.j a  v a2  s  .c o m
 */
public static byte[] decodeHex(String input) {
    try {
        return Hex.decodeHex(input.toCharArray());
    } catch (DecoderException e) {
        throw new IllegalStateException("Hex Decoder exception", e);
    }
}

From source file:com.sangupta.andruil.utils.ArgumentUtils.java

/**
 * Check if a given argument has wild-cards present in it or not.
 * //from  www. j ava 2 s  . c o m
 * @param arg
 * @return
 */
public static boolean hasWildcards(String arg) {
    if (arg == null) {
        return false;
    }

    char[] name = arg.toCharArray();
    int index = 0;
    char c;
    for (; index < name.length; index++) {
        c = name[index];
        if (c == '*' || c == '?') {
            return true;
        }
    }

    return false;
}

From source file:info.bonjean.beluga.util.CryptoUtil.java

public static String pandoraDecrypt(String text) {
    try {/*from  www.  j a  v  a2s .  co  m*/
        return new String(decryptBlowfish(Hex.decodeHex(text.toCharArray()), DECRYPT_KEY)).trim();
    } catch (DecoderException e) {
        log.error(e.getMessage(), e);
        return null;
    }
}