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.apress.prospringintegration.batch.UserRegistrationValidationItemProcessor.java

private String stripNonNumbers(String input) {
    String output = StringUtils.defaultString(input);
    StringBuffer numbersOnly = new StringBuffer();
    for (char potentialDigit : output.toCharArray()) {
        if (Character.isDigit(potentialDigit)) {
            numbersOnly.append(potentialDigit);
        }/*from  ww w . j  a  v a  2 s.  com*/
    }
    return numbersOnly.toString();
}

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From source file:edu.illinois.cs.cogcomp.ner.StringStatisticsUtils.MyString.java

public static boolean hasDigits(String s) {
    for (int i = 0; i < s.length(); i++)
        if (Character.isDigit(s.charAt(i)))
            return true;
    return false;
}

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From source file:com.att.aro.console.util.ThrottleUtil.java

public int parseNumCvtUnit(String number) {
    int temp = -1;
    if (StringUtils.isNumericSpace(number)) {
        temp = Integer.parseInt(number);
        return temp;
    } else {//from  www  .  j  a v a2  s  .c  o  m
        char unit = number.charAt(number.length() - 1);
        if ('m' == unit || 'M' == unit) {
            String subSt = number.substring(0, number.length() - 1);
            temp = Integer.parseInt(subSt);
            return temp * 1024;
        } else if ('k' == unit || 'K' == unit) {
            String subSt = number.substring(0, number.length() - 1);
            temp = Integer.parseInt(subSt);
            return temp;
        } else if (Character.isDigit(unit)) {
            temp = Integer.parseInt(number);
            return temp;
        }
    }
    return temp;
}

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From source file:NaturalOrderComparator.java

int compareRight(String a, String b) {
    int bias = 0;
    int ia = 0;/*w  ww .j  a  va2  s. co  m*/
    int ib = 0;

    // The longest run of digits wins. That aside, the greatest
    // value wins, but we can't know that it will until we've scanned
    // both numbers to know that they have the same magnitude, so we
    // remember it in BIAS.
    for (;; ia++, ib++) {
        char ca = charAt(a, ia);
        char cb = charAt(b, ib);

        if (!Character.isDigit(ca) && !Character.isDigit(cb)) {
            return bias;
        } else if (!Character.isDigit(ca)) {
            return -1;
        } else if (!Character.isDigit(cb)) {
            return +1;
        } else if (ca < cb) {
            if (bias == 0) {
                bias = -1;
            }
        } else if (ca > cb) {
            if (bias == 0)
                bias = +1;
        } else if (ca == 0 && cb == 0) {
            return bias;
        }
    }
}

---

From source file:com.daveayan.rjson.utils.RjsonUtil.java

public static Object getJsonObject(String json) throws JSONException {
    log.debug("getJsonObject for " + json);
    if (StringUtils.isEmpty(json)) {
        return "";
    }// w  w  w .java  2s.  c o  m
    JSONTokener tokener = new JSONTokener(json);
    char firstChar = tokener.nextClean();
    if (firstChar == '\"') {
        return tokener.nextString('\"');
    }
    if (firstChar == '{') {
        tokener.back();
        return new JSONObject(tokener);
    }
    if (firstChar == '[') {
        tokener.back();
        return new JSONArray(tokener);
    }
    if (Character.isDigit(firstChar)) {
        tokener.back();
        return tokener.nextValue();
    }
    tokener.back();
    return tokener.nextValue();
}

---

From source file:Main.java

/**
 * @param base//  w w  w  . j  a  va2  s . com
 * @param set
 * @param title
 */
private static void compareTitleWithBase(String base, boolean bracketed, HashSet<Integer> set, String title) {
    // Check to see it the name starts with the prefix
    if (title.toLowerCase().startsWith(base.toLowerCase())) {
        // with brackets add on is: space, (, #, )
        int minSizeNumAddOn = 4;
        if (!bracketed)
            // without brackets and space add on is just number
            minSizeNumAddOn = 1;
        // We found a possible auto-generated name
        // Determine number
        if (title.length() >= (base.length() + minSizeNumAddOn)) {
            String numPart;
            if (bracketed && title.charAt(base.length()) == ' ') {
                // We skipped the space since we already checked
                numPart = title.substring(base.length() + 1);
            } else if (!bracketed) {
                // without brackets, the numPart is everything after the prefix
                numPart = title.substring(base.length());
            } else {
                // We are using brackets and there was no space
                return;
            }
            if (bracketed) {
                if (numPart.charAt(0) == '(') {
                    // We are using brackets and confirmed that the open bracket exists
                    // move on to just the number part
                    numPart = numPart.substring(1);
                } else {
                    // We are using brackets and there is no opening bracket
                    return;
                }
            }
            // We found an auto-generated name
            StringBuffer buffer = new StringBuffer();
            // Parse the number between the brackets
            for (int j = 0; j < numPart.length(); j++) {
                char current = numPart.charAt(j);
                // Make sure its a digit
                if (Character.isDigit(current)) {
                    buffer.append(current);
                } else {
                    if (!bracketed || numPart.charAt(j) != ')' || j != numPart.length() - 1) {
                        // without brackets, a non digits means this will not conflict
                        // with brackets, anything other than a ')' means this will not conflict
                        // with brackets, if this is not the last character it will not conflict
                        return;
                    }
                    // if all conditions passed, this is the last loop, no need to break
                }
            }
            // Convert the number we found into an actual number
            if (buffer.length() > 0) {
                set.add(new Integer(buffer.toString()));
            }

        } else {
            // No number to parse
            // Assume it is just base
            set.add(new Integer(0));
        }
    }
}

---

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

/**
 * ? List//  w  w w . j  a v a2 s.  co  m
 *
 * @param expression
 * @return list
 */
private static List<String> getStringList(String expression) {
    List<String> result = new ArrayList<>();
    String num = "";
    for (int i = 0; i < expression.length(); i++) {
        if (Character.isDigit(expression.charAt(i))) {
            num = num + expression.charAt(i);
        } else {
            if (!num.isEmpty()) {
                result.add(num);
            }
            result.add(expression.charAt(i) + "");
            num = "";
        }
    }

    if (!num.isEmpty()) {
        result.add(num);
    }

    return result;
}

---

From source file:bhl.pages.handler.PagesDocumentsHandler.java

String concoctTitle(String docid) {
    StringBuilder className = new StringBuilder();
    StringBuilder yearName = new StringBuilder();
    StringBuilder author = new StringBuilder();
    int state = 0;
    for (int i = 0; i < docid.length(); i++) {
        char token = docid.charAt(i);
        switch (state) {
        case 0: // looking for document classname
            if (Character.isDigit(token)) {
                yearName.append(token);/* w w  w  .j  a va  2  s. c o m*/
                state = 1;
            } else
                className.append(token);
            break;
        case 1: // looking for year
            if (Character.isDigit(token) && yearName.length() < 4)
                yearName.append(token);
            else
                state = 2;
            break;
        case 2: // looking for author
            if (Character.isLetter(token))
                author.append(token);
            break;
        }
    }
    StringBuilder total = new StringBuilder();
    total.append(author);
    total.append(" ");
    if (className.length() > 0 && className.charAt(className.length() - 1) == 's')
        className.setLength(className.length() - 1);
    total.append(className);
    total.append(" ");
    total.append(yearName);
    return total.toString();
}

---

From source file:example.app.core.convert.converter.StringToPhoneNumberConverter.java

protected String getDigits(String value) {
    StringBuilder buffer = new StringBuilder();

    for (char character : nullSafeCharArray(value)) {
        if (Character.isDigit(character)) {
            buffer.append(character);/*  www  . ja v a2  s  . c  om*/
        }
    }

    return buffer.toString();
}

---

From source file:biblivre3.marcutils.Indexer.java

public static String listIssn(Record record) {
    String retorno = "";
    DataField dataField = MarcUtils.getDataField(record, MarcConstants.ISSN);
    if (dataField != null) {
        Subfield subField = dataField.getSubfield('a');
        String isbn = subField != null ? subField.getData() : null;
        if (StringUtils.isNotBlank(isbn)) {
            if (Character.isDigit(isbn.charAt(0)) && (isbn.length() >= 10)) {
                retorno = isbn;// ww w. j a  v  a2  s . co  m
            }
        }
    }
    return retorno;
}

---

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