Example usage for java.lang Character isDigit

List of usage examples for java.lang Character isDigit

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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.android.beyondemail.SSLUtils.java

/**
 * Escapes the contents a string to be used as a safe scheme name in the URI according to
 * http://tools.ietf.org/html/rfc3986#section-3.1
 *
 * This does not ensure that the first character is a letter (which is required by the RFC).
 *//*  w  w  w .j  a va2s .  c  om*/
public static String escapeForSchemeName(String s) {
    // According to the RFC, scheme names are case-insensitive.
    s = s.toLowerCase();

    StringBuilder sb = new StringBuilder();
    for (int i = 0; i < s.length(); i++) {
        char c = s.charAt(i);
        if (Character.isLetter(c) || Character.isDigit(c) || ('-' == c) || ('.' == c)) {
            // Safe - use as is.
            sb.append(c);
        } else if ('+' == c) {
            // + is used as our escape character, so double it up.
            sb.append("++");
        } else {
            // Unsafe - escape.
            sb.append('+').append((int) c);
        }
    }
    return sb.toString();
}

From source file:com.oneguy.recognize.Util.java

public static String replaceInnerBlankInDigits(String data) {
    StringBuilder sb = new StringBuilder();
    for (int i = 0; i < data.length(); i++) {
        if (i == 0 && data.charAt(i) == ' ') {
            continue;
        }/*w  w w .j a  va  2  s . co  m*/

        sb.append(data.charAt(i));
        if (Character.isDigit(data.charAt(i)) && i < data.length() - 1 && data.charAt(i + 1) == ' ') {
            i++;
        }
    }
    return sb.toString();
}

From source file:com.ning.maven.plugins.dependencyversionscheck.version.VersionElement.java

public long getNumber() {
    if (!hasNumbers()) {
        return 0L;
    } else {//from  ww  w.j  a  v a  2s  .co  m

        final String result;
        if (isNumber()) {
            result = element;
        } else {
            final StringBuilder sb = new StringBuilder();
            for (int i = 0; i < element.length(); i++) {
                if (Character.isDigit(element.charAt(i))) {
                    sb.append(element.charAt(i));
                }
            }
            result = sb.toString();
        }

        return Long.parseLong(result, 10);
    }
}

From source file:com.albert.util.StringUtilCommon.java

/**
 * Check if all characters are digits./*from   w w w  .  j  a  v a2  s .  com*/
 * 
 * @param str
 * @return boolean
 */
public static boolean isNumerical(String str) {
    boolean isNumerical = true;
    if (!isEmpty(str)) {
        int i = 0;
        // ensure all characters are digits
        while (i < str.length()) {
            if (!Character.isDigit(str.charAt(i))) {
                isNumerical = false;
                break;
            }
            i++;
        }
    }
    return isNumerical;
}

From source file:net.panthema.BispanningGame.GraphString.java

static int readInt(PushbackReader pr) throws IOException {
    int c;// w w  w  . ja v  a2 s . co  m
    ByteArrayOutputStream ba = new ByteArrayOutputStream();
    while ((c = pr.read()) != 0 && (Character.isDigit(c) || c == '-')) {
        ba.write(c);
    }
    pr.unread(c);
    try {
        return Integer.parseInt(ba.toString());
    } catch (NumberFormatException e) {
        throw (new IOException("Error in Graph String: integer format error"));
    }
}

From source file:au.org.ala.delta.directives.args.IdWithIdListParser.java

protected Object readId() throws ParseException {
    expect('#');/*  w  w  w.j a va2 s  .  c o  m*/

    mark();
    readNext();
    if (Character.isDigit(_currentChar)) {
        reset();

        return readListId(_validator);
    } else {
        reset();

        return readItemDescription();
    }
}

From source file:br.com.bropenmaps.util.Util.java

/**
 * Desfaz as alteraes feitas quando um termo precisa ser modificado ao ser utilizado como parmetro em requisies HTTP (decoder para o {@link URLEncoder}).
 * Este mtodo transforma '+' em espao./*from   w ww .  ja v  a2 s  . c  o m*/
 * @param s - termo a ser modificado 
 * @return Retorna o termo com as modificaes realizadas
 */
public static String unescape(String s) {
    if (s == null) {
        return 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); // Aarg0dd 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.dgtlrepublic.anitomyj.ParserHelper.java

/** Returns the index of the first digit in the {@code string}; -1 otherwise. */
public static int indexOfFirstDigit(String string) {
    if (StringUtils.isEmpty(string))
        return -1;
    for (int i = 0; i < string.length(); i++) {
        if (Character.isDigit(string.charAt(i))) {
            return i;
        }/*from  w w w  .  j ava2  s . com*/
    }

    return -1;
}

From source file:com.qmetry.qaf.automation.util.StringUtil.java

public static String getRandomString(String format) {
    StringBuilder sb = new StringBuilder();
    for (int i = 0; i < format.length(); i++) {
        char c = format.charAt(i);
        char a = Character.isDigit(c) ? RandomStringUtils.randomNumeric(1).charAt(0)
                : Character.isLetter(c) ? RandomStringUtils.randomAlphabetic(c).charAt(0) : c;
        sb.append(a);//from w  w  w . j  a  va 2 s. co  m
    }
    return sb.toString();
}

From source file:dk.netarkivet.common.utils.batch.ExternalBatchMoreClasses.java

/**
 * Checks whether a string only contains digits will return true
 *
 * @param s String to be checked//from w  w w.  j  a v  a2s .  c o m
 * @return true if the given string only contains digits (or is an empty line), false otherwise
 */
private static boolean isStringNumeric(String s) {
    boolean ok = true;
    int l = s.length();
    int i = 0;
    while (i < l && ok) {
        char c = s.charAt(i);
        ok = Character.isDigit(c);
        i++;
    }
    return ok;
}