Example usage for java.lang Character codePointAt

Introduction

In this page you can find the example usage for java.lang Character codePointAt.

Prototype

public static int codePointAt(char[] a, int index) 

Source Link

Document

Returns the code point at the given index of the char array.

Usage

From source file:org.apache.syncope.core.spring.security.SecureRandomUtils.java

public static String generateRandomSpecialCharacter(final char[] characters) {
    return new RandomStringGenerator.Builder().usingRandom(new SecureTextRandomProvider())
            .filteredBy(codePoint -> {
                boolean found = false;
                for (int i = 0; i < characters.length && !found; i++) {
                    found = codePoint == Character.codePointAt(characters, i);
                }/*from www  .j a  va 2s .c om*/

                return found;
            }).build().generate(1);
}

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From source file:Main.java

/**
 * Determines if a character sequence is a QName. A QName is either an
 * NCName (LocalName), or an NCName followed by a colon followed by another
 * NCName (where the first NCName is referred to as the 'Prefix Name' and
 * the second NCName is referred to as the 'Local Name' - i.e.
 * PrefixName:LocalName)./*from ww  w  .  j  ava  2 s . com*/
 * 
 * @param s
 *        The character sequence to be tested.
 * @return {@code true} if {@code s} is a QName, otherwise {@code false}.
 */
public static boolean isQName(CharSequence s) {
    if (isNullOrEmpty(s)) {
        return false;
    }
    boolean foundColon = false;
    boolean inNCName = false;
    for (int i = 0; i < s.length();) {
        int codePoint = Character.codePointAt(s, i);
        if (codePoint == ':') {
            if (foundColon) {
                return false;
            }
            foundColon = true;
            if (!inNCName) {
                return false;
            }
            inNCName = false;
        } else {
            if (!inNCName) {
                if (!isXMLNameStartCharacter(codePoint)) {
                    return false;
                }
                inNCName = true;
            } else {
                if (!isXMLNameChar(codePoint)) {
                    return false;
                }
            }
        }
        i += Character.charCount(codePoint);
    }
    return true;
}

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From source file:org.mariotaku.twidere.util.CodePointArray.java

public CodePointArray(@NonNull final CharSequence cs) {
    final int inputLength = cs.length();
    codePoints = new int[inputLength];
    int codePointsLength = 0;
    for (int offset = 0; offset < inputLength;) {
        final int codePoint = Character.codePointAt(cs, offset);
        codePoints[codePointsLength++] = codePoint;
        offset += Character.charCount(codePoint);
    }/*www.ja  va  2 s . c o m*/
    this.length = codePointsLength;
}

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From source file:Main.java

/**
 * Escapes a character sequence so that it is valid XML.
 * /*from   ww  w  . j  av a 2s. c om*/
 * @param s
 *        The character sequence.
 * @return The escaped version of the character sequence.
 */
public static String escapeXML(CharSequence s) {
    // double quote -- quot
    // ampersand -- amp
    // less than -- lt
    // greater than -- gt
    // apostrophe -- apos
    StringBuilder sb = new StringBuilder(s.length() * 2);
    for (int i = 0; i < s.length();) {
        int codePoint = Character.codePointAt(s, i);
        if (codePoint == '<') {
            sb.append(LT);
        } else if (codePoint == '>') {
            sb.append(GT);
        } else if (codePoint == '\"') {
            sb.append(QUOT);
        } else if (codePoint == '&') {
            sb.append(AMP);
        } else if (codePoint == '\'') {
            sb.append(APOS);
        } else {
            sb.appendCodePoint(codePoint);
        }
        i += Character.charCount(codePoint);
    }
    return sb.toString();
}

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From source file:org.openo.nfvo.jujuvnfmadapter.common.StringUtil.java

/**
 * /*from w  w w  . java2 s  .  c  om*/
 * Get the JSON string from input http context.<br>
 * 
 * @param vnfReq
 * @return
 * @since  NFVO 0.5
 */
@SuppressWarnings("unchecked")
public static <T> T getJsonFromContexts(HttpServletRequest vnfReq) {
    try {
        InputStream vnfInput = vnfReq.getInputStream();
        String vnfJsonStr = IOUtils.toString(vnfInput);
        JSONTokener vnfJsonTokener = new JSONTokener(vnfJsonStr);

        if (vnfJsonTokener.nextClean() == Character.codePointAt("{", 0)) {
            return (T) JSONObject.fromObject(vnfJsonStr);
        }

        vnfJsonTokener.back();

        if (vnfJsonTokener.nextClean() == Character.codePointAt("[", 0)) {
            return (T) JSONArray.fromObject(vnfJsonStr);
        }
    } catch (IOException e) {
        LOG.error("function=getJsonFromContext, msg=IOException occurs, e={}.", e);
    } catch (JSONException e) {
        LOG.error("function=getJsonFromContext, msg=JSONException occurs, e={}.", e);
    }

    return null;
}

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From source file:cherry.foundation.validator.CharTypeValidator.java

private int[] createAcceptable(String acceptable) {
    int[] result = new int[acceptable.codePointCount(0, acceptable.length())];
    for (int i = 0, j = 0; i < acceptable.length(); i++) {
        if (Character.isLowSurrogate(acceptable.charAt(i))) {
            continue;
        }//from w w  w  .jav a 2 s.c  o m
        result[j++] = Character.codePointAt(acceptable, i);
    }
    return result;
}

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From source file:com.igormaznitsa.jcp.expression.functions.FunctionSTR2WEB.java

@Override
@Nonnull//w w w .  j  a  v a 2  s. c o m
public Value executeStr(@Nonnull final PreprocessorContext context, @Nonnull final Value value) {
    final String escaped = StringEscapeUtils.escapeHtml3(value.asString());

    final StringBuilder result = new StringBuilder(escaped.length() * 2);
    for (int i = 0; i < escaped.length(); i++) {
        final char ch = escaped.charAt(i);
        if (CharUtils.isAscii(ch)) {
            result.append(ch);
        } else {
            result.append("&#").append(Integer.toString(Character.codePointAt(escaped, i))).append(';');
        }
    }

    return Value.valueOf(result.toString());
}

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From source file:Main.java

/**
 * Gets the index of the longest NCName that is the suffix of a character
 * sequence./*from   w ww. j  ava2  s . c  om*/
 * 
 * @param s
 *        The character sequence.
 * @return The index of the longest suffix of the specified character
 *         sequence {@code s} that is an NCName, or -1 if the character
 *         sequence {@code s} does not have a suffix that is an NCName.
 */
public static int getNCNameSuffixIndex(CharSequence s) {
    // identify bnode labels and do not try to split them
    if (s.length() > 1 && s.charAt(0) == '_' && s.charAt(1) == ':') {
        return -1;
    }
    int index = -1;
    for (int i = s.length() - 1; i > -1; i--) {
        if (!Character.isLowSurrogate(s.charAt(i))) {
            int codePoint = Character.codePointAt(s, i);
            if (isNCNameStartChar(codePoint)) {
                index = i;
            }
            if (!isNCNameChar(codePoint)) {
                break;
            }
        }
    }
    return index;
}

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From source file:jp.furplag.util.commons.StringUtils.java

/**
 * return the Array of Unicode code points in the string.
 *
 * @param str the string, may be null.//from w w  w  .ja  v  a2 s .  co m
 * @return Array of codepoints.
 */
public static int[] getCodePoints(final String str) {
    char[] chars = defaultString(str).toCharArray();
    int[] ret = new int[Character.codePointCount(chars, 0, chars.length)];
    int index = 0;
    for (int i = 0, codePoint; i < chars.length; i += Character.charCount(codePoint)) {
        codePoint = Character.codePointAt(chars, i);
        ret[index++] = codePoint;
    }

    return ret;
}

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From source file:dhr.uploadtomicrobit.FirmwareGenerator.java

public String generateFirmware(String script)

{

    System.out.println("Sketch being processed");
    System.out.println(script);/*from ww  w .java2  s .co  m*/

    StringBuilder output = new StringBuilder();
    StringBuilder tempScript = new StringBuilder();

    // Get the whole script into output.
    output.append(MicrobitFirmware.getFirmware());

    //System.out.println("Firmware is: " + output.toString());

    // add header, pad to multiple of 16 bytes
    int[] data = new int[4 + script.length() + (16 - (4 + script.length()) % 16)];
    data[0] = 77; // 'M'
    data[1] = 80; // 'P'
    data[2] = script.length() & 0xff;
    data[3] = (script.length() >> 8) & 0xff;

    for (int i = 0; i < script.length(); ++i) {
        int codePointAt0 = Character.codePointAt(script, i);
        data[4 + i] = codePointAt0;
    }

    // convert to .hex format
    int addr = 0x3e000; // magic start address in flash
    int[] chunk = new int[5 + 16];

    //output.append(":020000040003F7\n");

    for (int i = 0; i < data.length; i += 16, addr += 16) {
        chunk[0] = 16; // length of data section
        chunk[1] = (addr >> 8) & 0xff; // high byte of 16-bit addr
        chunk[2] = addr & 0xff; // low byte of 16-bit addr
        chunk[3] = 0; // type (data)
        for (int j = 0; j < 16; ++j) {
            chunk[4 + j] = data[i + j];
        }
        int checksum = 0;
        for (int j = 0; j < 4 + 16; ++j) {
            checksum += chunk[j];
        }
        chunk[4 + 16] = (-checksum) & 0xff;
        tempScript.append(':' + hexlify(chunk));
        tempScript.append(System.lineSeparator());
    }

    // Simple replace strategy on the firmware should allow updates of the firmware
    //System.out.println(output.toString());
    System.out.println(tempScript);

    replaceString(output, ":::::::::::::::::::::::::::::::::::::::::::", tempScript.toString());

    //output.append(MicrobitFirmware.getFirmwareTrailer());

    // Return a full string - ready to copy
    return output.toString();

}

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