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:Main.java

public static void main(String[] args) {
    CharSequence seq = "Hello";
    int index = 4;
    int res = Character.codePointAt(seq, index);

    String str = "Unicode code point is " + res;

    System.out.println(str);/*from w  ww  .jav  a2s  . c om*/
}

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From source file:Main.java

public static void main(String[] args) {
    char[] c = new char[] { 'j', 'b', 'c', 'd', 'e' };
    int index = 0;

    int res = Character.codePointAt(c, index);
    System.out.println("Unicode code point is " + res);
}

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From source file:Main.java

/**
 * Gets the index of the longest NCName that is the suffix of a character
 * sequence.//w  w w .  j a  v a  2 s.  c  o m
 * 
 * @param cs
 *           The character sequence.
 * @return Returns the index of the longest suffix of the specified character
 *         sequence <code>cs</code> that is an NCName, or -1 if the character
 *         sequence <code>cs</code> does not have a suffix that is an NCName.
 */
public static int getNCNameSuffixIndex(CharSequence cs) {
    int index = -1;
    for (int i = cs.length() - 1; i > -1; i--) {
        if (!Character.isLowSurrogate(cs.charAt(i))) {
            int c = Character.codePointAt(cs, i);
            if (isNCNameStartChar(c)) {
                index = i;
            }
            if (!isNCNameChar(c)) {
                break;
            }
        }
    }
    return index;
}

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From source file:Main.java

/**
 * Determines if the input character sequence <code>cs</code> is a NCName
 * (Non-Colon Name). An NCName is a string which starts with an NCName start
 * character and is followed by zero or more NCName characters.
 * //w ww . j  av  a2s .co m
 * Source: http://www.w3.org/TR/xml-names/#NT-NCName
 * 
 * @param cs
 *           The character sequence to test.
 * @return Returns <code>true</code> if the input character sequence is a
 *         NCName or <code>false</code> otherwise.
 */
public static boolean isNCName(CharSequence cs) {
    if (isEmpty(cs)) {
        return false;
    }
    int firstChar = Character.codePointAt(cs, 0);
    if (!isNCNameStartChar(firstChar)) {
        return false;
    }
    for (int i = Character.charCount(firstChar); i < cs.length();) {
        int c = Character.codePointAt(cs, i);
        if (!isNCNameChar(c)) {
            return false;
        }
        i += Character.charCount(c);
    }
    return true;
}

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From source file:Main.java

/**
 * Determines if a character sequence is a QName.
 * <p>// ww  w.  j a va2 s  .c  o m
 * A QName is either:
 * <ul>
 * <li>an NCName (LocalName), or</li>
 * <li>an NCName followed by a colon and by another NCName
 * (PrefixName:LocalName)</li>
 * </ul>
 *
 * Source: http://www.w3.org/TR/xml-names/#NT-QName
 *
 * @param s
 *           The character sequence to test.
 * @return Returns <code>true</code> if the character sequence
 *         <code>cs</code> is a QName, or <code>false</code> otherwise.
 */
public static boolean isQName(CharSequence s) {
    if (isEmpty(s)) {
        return false;
    }
    boolean foundColon = false;
    boolean inNCName = false;
    for (int i = 0; i < s.length();) {
        int c = Character.codePointAt(s, i);
        if (c == ':') { //$NON-NLS-1$
            if (foundColon) {
                return false;
            }
            foundColon = true;
            if (!inNCName) {
                return false;
            }
            inNCName = false;
        } else {
            if (!inNCName) {
                if (!isXmlNameStartChar(c)) {
                    return false;
                }
                inNCName = true;
            } else {
                if (!isXmlNameChar(c)) {
                    return false;
                }
            }
        }
        i += Character.charCount(c);
    }
    return true;
}

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From source file:org.openo.nfvo.vnfmdriver.common.restfulutil.HttpContextUitl.java

/**
 * <br>/*ww  w .  j a  va2  s  .  c  om*/
 *
 * @param vnfReq
 * @return
 * @since NFVO 0.5
 */
@SuppressWarnings("unchecked")
public static <T> T extractJsonObject(HttpServletRequest vnfReq) {
    T ret = null;
    try {
        InputStream vnfInput = vnfReq.getInputStream();
        String vnfJsonStr = IOUtils.toString(vnfInput);
        JSONTokener vnfJsonTokener = new JSONTokener(vnfJsonStr);

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

        vnfJsonTokener.back();

        if (vnfJsonTokener.nextClean() == Character.codePointAt("[", 0)) {
            ret = (T) JSONArray.fromObject(vnfJsonStr);
        }
    } catch (IOException e) {
        LOG.warn("IOException! " + e.getMessage());
    } catch (JSONException e) {
        LOG.warn("JSONException! " + e.getMessage());
    }

    return ret;
}

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From source file:uk.ac.bbsrc.tgac.miso.core.factory.barcode.MisoJscriptFactory.java

private static String unicodeify(String barcode) {
    log.info("ORIGINAL :: " + barcode);
    StringBuilder b = new StringBuilder();
    int count = 0;
    for (Character c : barcode.toCharArray()) {
        if (Character.UnicodeBlock.of(c) != Character.UnicodeBlock.BASIC_LATIN) {
            int codePoint = Character.codePointAt(barcode, count);
            b.append("[U:$").append(String.format("%04x", codePoint).toUpperCase()).append("]");
        } else {//from  www.j a va  2  s  . com
            b.append(c);
        }
        count++;
    }
    log.info("UNICODED :: " + b.toString());
    return b.toString();
}

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From source file:org.openo.nfvo.vnfmadapter.common.VnfmJsonUtil.java

/**
 * Get the JSON string from input http context.
 * <br/>/*w  w  w .  j  ava  2  s .  c  om*/
 *
 * @param vnfReq HttpServletRequest
 * @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) {
        LOGGER.error("function=getJsonFromContext, msg=IOException occurs, e={}.", e);
    } catch (JSONException e) {
        LOGGER.error("function=getJsonFromContext, msg=JSONException occurs, e={}.", e);
    }

    return null;
}

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From source file:Main.java

/**
 * Similar to String.contains() with two main differences:
 * <p>/*from   w  ww.  j a  va  2 s  . co  m*/
 * 1) Only searches token prefixes.  A token is defined as any combination of letters or
 * numbers.
 * <p>
 * 2) Returns the starting index where the substring is found.
 *
 * @param value The string to search.
 * @param substring The substring to look for.
 * @return The starting index where the substring is found. {@literal -1} if substring is not
 *         found in value.
 */
@VisibleForTesting
static int contains(String value, String substring) {
    if (value.length() < substring.length()) {
        return -1;
    }

    // i18n support
    // Generate the code points for the substring once.
    // There will be a maximum of substring.length code points.  But may be fewer.
    // Since the array length is not an accurate size, we need to keep a separate variable.
    final int[] substringCodePoints = new int[substring.length()];
    int substringLength = 0; // may not equal substring.length()!!
    for (int i = 0; i < substring.length();) {
        final int codePoint = Character.codePointAt(substring, i);
        substringCodePoints[substringLength] = codePoint;
        substringLength++;
        i += Character.charCount(codePoint);
    }

    for (int i = 0; i < value.length(); i = findNextTokenStart(value, i)) {
        int numMatch = 0;
        for (int j = i; j < value.length() && numMatch < substringLength; ++numMatch) {
            int valueCp = Character.toLowerCase(value.codePointAt(j));
            int substringCp = substringCodePoints[numMatch];
            if (valueCp != substringCp) {
                break;
            }
            j += Character.charCount(valueCp);
        }
        if (numMatch == substringLength) {
            return i;
        }
    }
    return -1;
}

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From source file:Main.java

/**
 * Determines if a character sequence is an NCName (Non-Colonised Name). An
 * NCName is a string which starts with an NCName start character and is
 * followed by zero or more NCName characters.
 * /*from  w w w .  j av a 2  s .co  m*/
 * @param s
 *        The character sequence to be tested.
 * @return {@code true} if {@code s} is an NCName, otherwise {@code false}.
 */
public static boolean isNCName(@Nullable CharSequence s) {
    if (isNullOrEmpty(s)) {
        return false;
    }
    assert s != null;
    int firstCodePoint = Character.codePointAt(s, 0);
    if (!isNCNameStartChar(firstCodePoint)) {
        return false;
    }
    for (int i = Character.charCount(firstCodePoint); i < s.length();) {
        int codePoint = Character.codePointAt(s, i);
        if (!isNCNameChar(codePoint)) {
            return false;
        }
        i += Character.charCount(codePoint);
    }
    return true;
}

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