Example usage for java.lang Character isDigit

Introduction

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

Prototype

public static boolean isDigit(int codePoint) 

Source Link

Document

Determines if the specified character (Unicode code point) is a digit.

Usage

From source file:com.atlassian.jira.util.system.VersionNumber.java

private int parse(final String segment) {
    try {//from w  w  w . j  a  v a2  s  . c om
        return segment.length() == 0 ? 0 : Integer.parseInt(getVersion(segment));
    } catch (final NumberFormatException e) {
        final StringBuilder buffer = new StringBuilder();
        for (int i = 0; i < segment.length(); i++) {
            final char c = segment.charAt(i);
            if (Character.isDigit(c)) {
                buffer.append(c);
            }
        }
        return parse(buffer.toString());
    }
}

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From source file:eu.stratosphere.nephele.jobmanager.web.LogfileInfoServlet.java

@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

    try {/*from  ww w. j  a v a 2  s  .c  o m*/
        if ("stdout".equals(req.getParameter("get"))) {
            // Find current stdtout file
            for (File f : logDir.listFiles()) {
                // contains "jobmanager" ".log" and no number in the end ->needs improvement
                if (f.getName().equals("jobmanager-stdout.log")
                        || (f.getName().indexOf("jobmanager") != -1 && f.getName().indexOf(".out") != -1
                                && !Character.isDigit(f.getName().charAt(f.getName().length() - 1)))) {

                    resp.setStatus(HttpServletResponse.SC_OK);
                    resp.setContentType("text/plain ");
                    writeFile(resp.getOutputStream(), f);
                    break;
                }
            }
        } else {
            // Find current logfile
            for (File f : logDir.listFiles()) {
                // contains "jobmanager" ".log" and no number in the end ->needs improvement
                if (f.getName().equals("jobmanager-stderr.log")
                        || (f.getName().indexOf("jobmanager") != -1 && f.getName().indexOf(".log") != -1
                                && !Character.isDigit(f.getName().charAt(f.getName().length() - 1)))) {

                    resp.setStatus(HttpServletResponse.SC_OK);
                    resp.setContentType("text/plain ");
                    writeFile(resp.getOutputStream(), f);
                    break;
                }

            }
        }
    } catch (Throwable t) {
        resp.setStatus(HttpServletResponse.SC_BAD_REQUEST);
        resp.getWriter().print(t.getMessage());
        if (LOG.isWarnEnabled()) {
            LOG.warn(StringUtils.stringifyException(t));
        }
    }
}

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From source file:com.salesmanager.core.util.StringUtil.java

/**
 * Can be used to decode URL /*ww w  .j a  v  a  2s . com*/
 * @param s
 * @return
 */
public static String unescape(String s) {
    StringBuffer sbuf = new StringBuffer();
    int l = s.length();
    int ch = -1;
    int b, sumb = 0;
    for (int i = 0, more = -1; i < l; i++) {
        /* Get next byte b from URL segment s */
        switch (ch = s.charAt(i)) {
        case '%':
            ch = s.charAt(++i);
            int hb = (Character.isDigit((char) ch) ? ch - '0' : 10 + Character.toLowerCase((char) ch) - 'a')
                    & 0xF;
            ch = s.charAt(++i);
            int lb = (Character.isDigit((char) ch) ? ch - '0' : 10 + Character.toLowerCase((char) ch) - 'a')
                    & 0xF;
            b = (hb << 4) | lb;
            break;
        case '+':
            b = ' ';
            break;
        default:
            b = ch;
        }
        /* Decode byte b as UTF-8, sumb collects incomplete chars */
        if ((b & 0xc0) == 0x80) { // 10xxxxxx (continuation byte)
            sumb = (sumb << 6) | (b & 0x3f); // Add 6 bits to sumb
            if (--more == 0)
                sbuf.append((char) sumb); // Add char to sbuf
        } else if ((b & 0x80) == 0x00) { // 0xxxxxxx (yields 7 bits)
            sbuf.append((char) b); // Store in sbuf
        } else if ((b & 0xe0) == 0xc0) { // 110xxxxx (yields 5 bits)
            sumb = b & 0x1f;
            more = 1; // Expect 1 more byte
        } else if ((b & 0xf0) == 0xe0) { // 1110xxxx (yields 4 bits)
            sumb = b & 0x0f;
            more = 2; // Expect 2 more bytes
        } else if ((b & 0xf8) == 0xf0) { // 11110xxx (yields 3 bits)
            sumb = b & 0x07;
            more = 3; // Expect 3 more bytes
        } else if ((b & 0xfc) == 0xf8) { // 111110xx (yields 2 bits)
            sumb = b & 0x03;
            more = 4; // Expect 4 more bytes
        } else /*if ((b & 0xfe) == 0xfc)*/ { // 1111110x (yields 1 bit)
            sumb = b & 0x01;
            more = 5; // Expect 5 more bytes
        }
        /* We don't test if the UTF-8 encoding is well-formed */
    }
    return sbuf.toString();
}

---

From source file:com.odiago.flumebase.io.CharBufferUtils.java

/**
 * Parses a CharSequence into an integer in base 10.
 *///from w  w  w  . jav a2 s  . c o  m
public static int parseInt(CharBuffer chars) throws ColumnParseException {
    int result = 0;

    final int limit = chars.limit();
    final int start = chars.position();
    if (0 == limit - start) {
        // The empty string can not be parsed as an integer.
        throw new ColumnParseException("No value provided");
    }

    boolean isNegative = false;
    for (int pos = start; pos < limit; pos++) {
        char cur = chars.get();
        if (pos == start && cur == '-') {
            isNegative = true;
            if (limit - start == 1) {
                // "-" is not an integer we accept.
                throw new ColumnParseException("No integer part provided");
            }
        } else if (Character.isDigit(cur)) {
            byte digitVal = (byte) (cur - '0');
            result = result * 10 - digitVal;
            // TODO: Detect over/underflow and signal exception?
        } else {
            throw new ColumnParseException("Invalid character in number");
        }
    }

    // We built up the value as a negative, to use the larger "half" of the
    // integer range. If it's not negative, flip it on return.
    return isNegative ? result : -result;
}

---

From source file:com.autentia.common.util.PasswordUtils.java

private static boolean atLeastOneNumber(String pwd) {
    final char[] pwdChars = pwd.toCharArray();
    for (int i = 0; i < pwdChars.length; i++) {
        if (Character.isDigit(pwdChars[i])) {
            return true;
        }/*from ww w . jav  a2  s  .c om*/
    }
    return false;
}

---

From source file:boa.BoaMain.java

protected static String pascalCase(final String string) {
    final StringBuilder pascalized = new StringBuilder();

    boolean upper = true;
    for (final char c : string.toCharArray())
        if (Character.isDigit(c) || c == '_') {
            pascalized.append(c);/*from w  w w. java 2  s.  co m*/
            upper = true;
        } else if (!Character.isDigit(c) && !Character.isLetter(c)) {
            upper = true;
        } else if (Character.isLetter(c)) {
            pascalized.append(upper ? Character.toUpperCase(c) : c);
            upper = false;
        }

    return pascalized.toString();
}

---

From source file:forge.deck.CardPool.java

public void add(String cardName, String setCode, final int artIndex, final int amount) {
    PaperCard cp = StaticData.instance().getCommonCards().getCard(cardName, setCode, artIndex);
    boolean isCommonCard = cp != null;
    if (!isCommonCard) {
        cp = StaticData.instance().getVariantCards().getCard(cardName, setCode);
    }/*from w ww  .jav  a 2  s .  c  o m*/

    boolean artIndexExplicitlySet = artIndex > 0 || Character.isDigit(cardName.charAt(cardName.length() - 1))
            && cardName.charAt(cardName.length() - 2) == CardDb.NameSetSeparator;
    int artCount = 1;

    if (cp != null) {
        setCode = cp.getEdition();
        cardName = cp.getName();
        artCount = isCommonCard ? StaticData.instance().getCommonCards().getArtCount(cardName, setCode) : 1;
    } else {
        cp = StaticData.instance().getCommonCards().createUnsuportedCard(cardName);
    }

    if (artIndexExplicitlySet || artCount <= 1) {
        // either a specific art index is specified, or there is only one art, so just add the card
        this.add(cp, amount);
    } else {
        // random art index specified, make sure we get different groups of cards with different art
        int[] artGroups = MyRandom.splitIntoRandomGroups(amount, artCount);
        for (int i = 1; i <= artGroups.length; i++) {
            int cnt = artGroups[i - 1];
            if (cnt <= 0)
                continue;
            PaperCard cp_random = isCommonCard
                    ? StaticData.instance().getCommonCards().getCard(cardName, setCode, i)
                    : StaticData.instance().getVariantCards().getCard(cardName, setCode, i);
            this.add(cp_random, cnt);
        }
    }
}

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From source file:com.jaspersoft.jasperserver.api.metadata.common.service.impl.VirtualDataSourceValidator.java

public boolean validateSubDsId(String value, String nameField, ValidationErrors errors) {
    if (!validateNameString(value, nameField, errors)) {
        return false;
    }//from  www.jav  a2  s.c om

    if (subDsIdInvalidChars.matcher(value).find()) {
        errors.add(new ValidationErrorImpl(getErrorMessagePrefix() + "error.invalid.chars", null,
                "Only letters, digits and underscore allowed in subDsId", nameField));
    }
    if (!StringUtils.isEmpty(value)) {
        char firstChar = value.charAt(0);
        if (firstChar == '_' || Character.isDigit(firstChar)) {
            errors.add(new ValidationErrorImpl(getErrorMessagePrefix() + "error.first.letter.required", null,
                    "Should start with letter", nameField));
        }
    }
    return true;
}

---

From source file:br.com.renatoccosta.regexrenamer.element.FilterElement.java

@Override
public String convert(String src) {
    StringBuilder sb = new StringBuilder();
    char[] caracs = src.toCharArray();

    switch (mode) {
    case LETTERS:
        for (int i = 0; i < caracs.length; i++) {
            char c = caracs[i];
            if (!Character.isLetter(c)) {
                sb.append(c);//from   ww w.  j av a2s . c o  m
            }
        }

        return sb.toString();

    case NUMBERS:
        for (int i = 0; i < caracs.length; i++) {
            char c = caracs[i];
            if (!Character.isDigit(c)) {
                sb.append(c);
            }
        }

        return sb.toString();

    case SYMBOLS:
        for (int i = 0; i < caracs.length; i++) {
            char c = caracs[i];
            if (Character.isLetterOrDigit(c) || Character.isSpaceChar(c)) {
                sb.append(c);
            }
        }

        return sb.toString();

    case WHITE_SPACE:
        return StringUtils.deleteWhitespace(src);
    }

    return src;
}

---

From source file:com.baifendian.swordfish.execserver.parameter.placeholder.CalculateUtil.java

/**
 * ???/*  w  w  w .j av  a 2s  . c  o  m*/
 *
 * @param inOrderList
 * @return ??
 */
private static List<String> getPostOrder(List<String> inOrderList) {
    List<String> result = new ArrayList<>();
    Stack<String> stack = new Stack<>();

    for (int i = 0; i < inOrderList.size(); i++) {
        if (Character.isDigit(inOrderList.get(i).charAt(0))) {
            result.add(inOrderList.get(i));
        } else {
            switch (inOrderList.get(i).charAt(0)) {
            case '(':
                stack.push(inOrderList.get(i));
                break;
            case ')':
                while (!stack.peek().equals("(")) {
                    result.add(stack.pop());
                }
                stack.pop();
                break;
            default:
                while (!stack.isEmpty() && compare(stack.peek(), inOrderList.get(i))) {
                    result.add(stack.pop());
                }
                stack.push(inOrderList.get(i));
                break;
            }
        }
    }

    while (!stack.isEmpty()) {
        result.add(stack.pop());
    }

    return result;
}

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