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.ery.ertc.estorm.util.ToolUtil.java

public static Double toDouble(String val) {
    Double l = 0.0;/*from w ww . j  a  v a 2s .c  o  m*/
    boolean dig = false;
    long len = 10;
    long digs = 0;
    for (char c : val.toCharArray()) {
        if (Character.isDigit(c)) {
            if (dig) {
                digs = digs * 10 + c - 48;
                len *= 10;
            } else {
                l = l * 10 + c - 48;
            }
        } else if (c == '.') {
            dig = true;
        } else {
            break;
        }
    }
    return l + (double) digs * 10 / len;
}

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From source file:net.argilo.busfollower.ocdata.OCTranspoDataFetcher.java

private void validateRouteNumber(String routeNumber) {
    if (routeNumber.length() < 1 || routeNumber.length() > 3) {
        throw new IllegalArgumentException(context.getString(R.string.invalid_route_number));
    }//from   w  ww  . j  a  v a 2 s  .co m
    for (int i = 0; i < routeNumber.length(); i++) {
        if (!Character.isDigit(routeNumber.charAt(i))) {
            throw new IllegalArgumentException(context.getString(R.string.invalid_route_number));
        }
    }
}

---

From source file:com.ddubyat.develop.jhawtcode.web.InternalResourceController.java

private static boolean isNumeric(String str) {
    for (char c : str.toCharArray()) {
        if (!Character.isDigit(c))
            return false;
    }//  w  w w  . j  ava2 s.  c o m
    return true;
}

---

From source file:com.fujitsu.dc.core.odata.DcExpressionParser.java

/**
 * tokenizer./*from ww  w.  j a va2  s. c  om*/
 * OData4j?tokenizer???'_'?????????
 * @param value value
 * @return 
 */
public static List<Token> tokenize(String value) {
    List<Token> rt = new ArrayList<Token>();
    int current = 0;
    int end = 0;

    while (true) {
        if (current == value.length()) {
            return rt;
        }
        char c = value.charAt(current);
        if (Character.isWhitespace(c)) {
            end = readWhitespace(value, current);
            rt.add(new Token(TokenType.WHITESPACE, value.substring(current, end)));
            current = end;
        } else if (c == '\'') {
            end = readQuotedString(value, current + 1);
            rt.add(new Token(TokenType.QUOTED_STRING, value.substring(current, end)));
            current = end;
        } else if (Character.isLetter(c)) {
            end = readWord(value, current + 1);
            rt.add(new Token(TokenType.WORD, value.substring(current, end)));
            current = end;
        } else if (c == '_') {
            end = readWord(value, current + 1);
            rt.add(new Token(TokenType.WORD, value.substring(current, end)));
            current = end;
        } else if (Character.isDigit(c)) {
            end = readDigits(value, current + 1);
            rt.add(new Token(TokenType.NUMBER, value.substring(current, end)));
            current = end;
        } else if (c == '(') {
            rt.add(new Token(TokenType.OPENPAREN, Character.toString(c)));
            current++;
        } else if (c == ')') {
            rt.add(new Token(TokenType.CLOSEPAREN, Character.toString(c)));
            current++;
        } else if (c == '-') {
            if (Character.isDigit(value.charAt(current + 1))) {
                end = readDigits(value, current + 1);
                rt.add(new Token(TokenType.NUMBER, value.substring(current, end)));
                current = end;
            } else {
                rt.add(new Token(TokenType.SYMBOL, Character.toString(c)));
                current++;
            }
        } else if (",.+=:".indexOf(c) > -1) {
            rt.add(new Token(TokenType.SYMBOL, Character.toString(c)));
            current++;
        } else {
            dumpTokens(rt);
            throw new RuntimeException("Unable to tokenize: " + value + " current: " + current + " rem: "
                    + value.substring(current));
        }
    }

}

---

From source file:net.metanotion.json.StreamingParser.java

private String lexExp(final Reader in) throws IOException {
    in.mark(MAX_BUFFER);//w  w w .j  a  v a2  s.  c  om
    int c = in.read();
    if (Character.toLowerCase(c) == 'e') {
        c = in.read();
        if (c == '+') {
            return "e+" + lexDigits(in);
        } else if (c == '-') {
            return "e-" + lexDigits(in);
        } else if (Character.isDigit(c)) {
            return (new String(Character.toChars(c))) + lexDigits(in);
        } else if (c == -1) {
            throw new ParserException("Unexpected end of stream");
        } else {
            throw new ParserException(
                    "Expected exponent, instead found: '" + (new String(Character.toChars(c))) + QUOTE);
        }
    } else {
        in.reset();
        return "";
    }
}

---

From source file:org.alfresco.textgen.TextGenerator.java

private String getSingleWord(ArrayList<String> choice, Random random) {
    String candidate;/*from ww  w. ja  va  2s.  c om*/
    NEXT: for (int i = 0; i < 100000; i++) {
        candidate = choice.get(random.nextInt(choice.size()));
        for (int j = 0; j < candidate.length(); j++) {
            int cp = candidate.codePointAt(j);
            if (!Character.isAlphabetic(cp) && !Character.isDigit(cp)) {
                continue NEXT;
            }
        }
        return candidate;
    }
    return "";
}

---

From source file:de.tudarmstadt.ukp.clarin.webanno.tsv.WebannoCustomTsvReader.java

/**
 * Iterate through lines and create span annotations accordingly. For multiple span annotation,
 * based on the position of the annotation in the line, update only the end position of the
 * annotation//from   w  w w .  ja v a  2 s  .  co m
 */
private void setAnnotations(JCas aJcas, InputStream aIs, String aEncoding, StringBuilder text)
        throws IOException {

    // getting header information
    LineIterator lineIterator = IOUtils.lineIterator(aIs, aEncoding);
    int columns = 1;// token number + token columns (minimum required)
    int tokenStart = 0, sentenceStart = 0;
    Map<Type, Set<Feature>> spanLayers = new LinkedHashMap<Type, Set<Feature>>();
    Map<Type, Type> relationayers = new LinkedHashMap<Type, Type>();

    // an annotation for every feature in a layer
    Map<Type, Map<Integer, AnnotationFS>> annotations = new LinkedHashMap<Type, Map<Integer, AnnotationFS>>();

    // store if this is a Begin/Intermediate/End of an annotation
    Map<Type, Map<Integer, String>> beginEndAnno = new LinkedHashMap<Type, Map<Integer, String>>();

    // Store annotations of tokens so that it can be used later for relation annotations
    Map<Type, Map<String, List<AnnotationFS>>> tokenAnnotations = new LinkedHashMap<Type, Map<String, List<AnnotationFS>>>();

    // store target token ids used for a relation
    Map<Type, Map<String, List<String>>> relationTargets = new LinkedHashMap<Type, Map<String, List<String>>>();

    // store tokens indexing with the concat of itsbegin-end so that lemma and pos annotation
    // can be attached, if exists, later
    indexedTokens = new HashMap<String, Token>();

    while (lineIterator.hasNext()) {
        String line = lineIterator.next().trim();
        if (line.trim().equals("") && sentenceStart == tokenStart) {
            continue;
        }
        if (line.trim().equals("")) {
            text.replace(tokenStart - 1, tokenStart, "");
            tokenStart = tokenStart - 1;
            Sentence sentence = new Sentence(aJcas, sentenceStart, tokenStart);
            sentence.addToIndexes();
            tokenStart++;
            sentenceStart = tokenStart;
            text.append("\n");
            continue;
        }
        // sentence
        if (line.startsWith("#text=")) {
            continue;
        }
        if (line.startsWith("#id=")) {
            continue;// it is a comment line
        }
        if (line.startsWith("#")) {
            columns = getLayerAndFeature(aJcas, columns, spanLayers, relationayers, line);
            continue;
        }
        // some times, the sentence in #text= might have a new line which break this reader,
        // so skip such lines
        if (!Character.isDigit(line.split(" ")[0].charAt(0))) {
            continue;
        }

        // If we are still unlucky, the line starts with a number from the sentence but not
        // a token number, check if it didn't in the format NUM-NUM
        if (!Character.isDigit(line.split("-")[1].charAt(0))) {
            continue;
        }

        int count = StringUtils.countMatches(line, "\t");

        if (columns != count) {
            throw new IOException(fileName + " This is not a valid TSV File. check this line: " + line);
        }

        // adding tokens and sentence
        StringTokenizer lineTk = new StringTokenizer(line, "\t");
        String tokenNumberColumn = lineTk.nextToken();
        String tokenColumn = lineTk.nextToken();
        Token token = new Token(aJcas, tokenStart, tokenStart + tokenColumn.length());
        token.addToIndexes();
        Type posType = JCasUtil.getType(aJcas, POS.class);
        Type lemmaType = JCasUtil.getType(aJcas, Lemma.class);
        if (spanLayers.containsKey(posType) || spanLayers.containsKey(lemmaType)) {
            indexedTokens.put(tokenStart + "-" + tokenStart + tokenColumn.length(), token);
        }

        // adding the annotations
        createSpanAnnotation(aJcas, tokenStart, spanLayers, relationayers, annotations, beginEndAnno,
                tokenAnnotations, relationTargets, lineTk, tokenColumn, tokenNumberColumn);

        tokenStart = tokenStart + tokenColumn.length() + 1;
        text.append(tokenColumn + " ");
    }
    if (tokenStart > sentenceStart) {
        Sentence sentence = new Sentence(aJcas, sentenceStart, tokenStart);
        sentence.addToIndexes();
        text.append("\n");
    }

    createRelationLayer(aJcas, relationayers, tokenAnnotations, relationTargets);
}

---

From source file:de.tudarmstadt.ukp.clarin.webanno.tsv.WebannoTsv2Reader.java

/**
 * Iterate through lines and create span annotations accordingly. For
 * multiple span annotation, based on the position of the annotation in the
 * line, update only the end position of the annotation
 *///from   w w w.ja  v a  2  s . c om
private void setAnnotations(JCas aJcas, InputStream aIs, String aEncoding, StringBuilder text)
        throws IOException {

    // getting header information
    LineIterator lineIterator = IOUtils.lineIterator(aIs, aEncoding);
    int columns = 1;// token number + token columns (minimum required)
    int tokenStart = 0, sentenceStart = 0;
    Map<Type, Set<Feature>> spanLayers = new LinkedHashMap<Type, Set<Feature>>();
    Map<Type, Type> relationayers = new LinkedHashMap<Type, Type>();

    // an annotation for every feature in a layer
    Map<Type, Map<Integer, AnnotationFS>> annotations = new LinkedHashMap<Type, Map<Integer, AnnotationFS>>();

    // store if this is a Begin/Intermediate/End of an annotation
    Map<Type, Map<Integer, String>> beginEndAnno = new LinkedHashMap<Type, Map<Integer, String>>();

    // Store annotations of tokens so that it can be used later for relation
    // annotations
    Map<Type, Map<String, List<AnnotationFS>>> tokenAnnotations = new LinkedHashMap<Type, Map<String, List<AnnotationFS>>>();

    // store target token ids used for a relation
    Map<Type, Map<String, List<String>>> relationTargets = new LinkedHashMap<Type, Map<String, List<String>>>();

    // store tokens indexing with the concat of itsbegin-end so that lemma
    // and pos annotation
    // can be attached, if exists, later
    indexedTokens = new HashMap<String, Token>();

    while (lineIterator.hasNext()) {
        String line = lineIterator.next().trim();
        if (line.trim().equals("") && sentenceStart == tokenStart) {
            continue;
        }
        if (line.trim().equals("")) {
            text.replace(tokenStart - 1, tokenStart, "");
            tokenStart = tokenStart - 1;
            Sentence sentence = new Sentence(aJcas, sentenceStart, tokenStart);
            sentence.addToIndexes();
            tokenStart++;
            sentenceStart = tokenStart;
            text.append("\n");
            continue;
        }
        // sentence
        if (line.startsWith("#text=")) {
            continue;
        }
        if (line.startsWith("#id=")) {
            continue;// it is a comment line
        }
        if (line.startsWith("#")) {
            columns = getLayerAndFeature(aJcas, columns, spanLayers, relationayers, line);
            continue;
        }
        // some times, the sentence in #text= might have a new line which
        // break this reader,
        // so skip such lines
        if (!Character.isDigit(line.split(" ")[0].charAt(0))) {
            continue;
        }

        // If we are still unlucky, the line starts with a number from the
        // sentence but not
        // a token number, check if it didn't in the format NUM-NUM
        if (!Character.isDigit(line.split("-")[1].charAt(0))) {
            continue;
        }

        int count = StringUtils.countMatches(line, "\t");

        if (columns != count) {
            throw new IOException(fileName + " This is not a valid TSV File. check this line: " + line);
        }

        // adding tokens and sentence
        StringTokenizer lineTk = new StringTokenizer(line, "\t");
        String tokenNumberColumn = lineTk.nextToken();
        String tokenColumn = lineTk.nextToken();
        Token token = new Token(aJcas, tokenStart, tokenStart + tokenColumn.length());
        token.addToIndexes();
        Type posType = JCasUtil.getType(aJcas, POS.class);
        Type lemmaType = JCasUtil.getType(aJcas, Lemma.class);
        if (spanLayers.containsKey(posType) || spanLayers.containsKey(lemmaType)) {
            indexedTokens.put(tokenStart + "-" + tokenStart + tokenColumn.length(), token);
        }

        // adding the annotations
        createSpanAnnotation(aJcas, tokenStart, spanLayers, relationayers, annotations, beginEndAnno,
                tokenAnnotations, relationTargets, lineTk, tokenColumn, tokenNumberColumn);

        tokenStart = tokenStart + tokenColumn.length() + 1;
        text.append(tokenColumn + " ");
    }
    if (tokenStart > sentenceStart) {
        Sentence sentence = new Sentence(aJcas, sentenceStart, tokenStart);
        sentence.addToIndexes();
        text.append("\n");
    }

    createRelationLayer(aJcas, relationayers, tokenAnnotations, relationTargets);
}

---

From source file:com.careerly.utils.TextUtils.java

/**
 * ?a-zA-Z0-9/*  w ww  .ja  va2 s  . c om*/
 *
 * @param ch ?
 * @return  true
 */
public static boolean isDigitOrEngilishChar(char ch) {
    return Character.isLowerCase(ch) || Character.isUpperCase(ch) || Character.isDigit(ch);
}

---

From source file:io.lightlink.excel.SheetTemplateHandler.java

private String shiftR(String value, Integer forceXPos) {
    String x;//  www  .j a  v a2 s. c  om
    int y;
    if (Character.isDigit(value.charAt(0))) {
        int row = Integer.parseInt(value);
        if (row > rowNumber)
            rowNumber = row;
        x = "";
    } else {
        x = value.replaceAll("[0-9]*", "");
    }
    if (forceXPos != null) {
        int col = ExcelUtils.toExcelColumnNumber(value.replaceAll("[0-9]*", ""));
        if (col < forceXPos)
            x = ExcelUtils.toExcelColumnName(forceXPos);
    }
    return x + rowNumber;

}

---

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