Example usage for java.lang CharSequence length

Introduction

In this page you can find the example usage for java.lang CharSequence length.

Prototype

int length();

Source Link

Document

Returns the length of this character sequence.

Usage

From source file:Main.java

private static boolean isEmpty(CharSequence str) {
    return (str == null || str.length() == 0);
}

From source file:Main.java

public static String escapeLiteralValueForSql(final CharSequence s) {

    final int len = s.length();
    final StringBuilder out = new StringBuilder(len * 2);

    for (int i = 0; i < len; i++) {
        final char c = s.charAt(i);
        if ((int) c == (int) '\'') {
            out.append("\\\'");
        } else if ((int) c == (int) '\\') {
            out.append("\\\\\\\\");
        } else if ((int) c == (int) '"') {
            out.append("\\\\\"");
        } else if ((int) c == (int) '\n') {
            out.append("\\\\n");
        } else if ((int) c == (int) '\r') {
            out.append("\\\\r");
        } else if ((int) c == (int) '\t') {
            out.append("\\\\t");
        } else if (isLowUnicode((int) c)) {
            out.append("\\\\u");
            out.append(hexString((int) c, SHORT_ESCAPE_LENGTH - 1));
        } else if (isHighUnicode((int) c)) {
            out.append("\\\\U");
            out.append(hexString((int) c, LONG_ESCAPE_LENGTH - 2));
        } else {/* w  w  w  .j av a  2  s .  co  m*/
            out.append(c);
        }
    }

    return out.toString();
}

From source file:Main.java

/**
 * Green implementation of toCharArray./* www  . j a  v a  2s .c  o  m*/
 *
 * @param cs the {@code CharSequence} to be processed
 * @return the resulting char array
 */
static char[] toCharArray(final CharSequence cs) {
    if (cs instanceof String) {
        return ((String) cs).toCharArray();
    }
    final int sz = cs.length();
    final char[] array = new char[cs.length()];
    for (int i = 0; i < sz; i++) {
        array[i] = cs.charAt(i);
    }
    return array;
}

From source file:Main.java

/**
 * Green implementation of toCharArray.//from w  w w  .j  a  v  a2  s .c  om
 *
 * @param cs the {@code CharSequence} to be processed
 * @return the resulting char array
 */
static char[] toCharArray(CharSequence cs) {
    if (cs instanceof String) {
        return ((String) cs).toCharArray();
    } else {
        int sz = cs.length();
        char[] array = new char[cs.length()];
        for (int i = 0; i < sz; i++) {
            array[i] = cs.charAt(i);
        }
        return array;
    }
}

From source file:com.cloudera.oryx.rdf.computation.WineQualityIT.java

private static List<Example> readWineQualityExamples() throws IOException {
    List<Example> allExamples = Lists.newArrayList();
    Pattern delimiter = Pattern.compile(";");
    File dataFile = new File(TEST_TEMP_INBOUND_DIR, "winequality-white.csv");
    for (CharSequence line : new FileLineIterable(dataFile)) {
        if (line.length() == 0) {
            continue;
        }//from  w  w w .  j  a v  a 2 s .com
        String[] tokens = delimiter.split(line);
        Feature[] features = new Feature[11];
        for (int i = 0; i < features.length; i++) {
            features[i] = NumericFeature.forValue(Float.parseFloat(tokens[i]));
        }
        Example trainingExample = new Example(NumericFeature.forValue(Float.parseFloat(tokens[11])), features);
        allExamples.add(trainingExample);
    }
    return allExamples;
}

From source file:Main.java

public static boolean isMyChar(CharSequence label) {
    if (label == null)
        return false;
    boolean isMyChar = false;
    for (int i = 0; i < label.length(); i++) {
        if (isMyChar(label.charAt(i))) {
            isMyChar = true;/*from  w  w w  .  j  a va 2 s  .c  o m*/
            break;
        }
    }
    return isMyChar;
}

From source file:Main.java

/**
 * Check whether the given CharSequence contains any whitespace characters.
 * @param str the CharSequence to check (may be {@code null})
 * @return {@code true} if the CharSequence is not empty and
 * contains at least 1 whitespace character
 * @see Character#isWhitespace/*from   w w  w .j a va  2s .  c  o m*/
 */
public static boolean containsWhitespace(CharSequence str) {
    if (!hasLength(str)) {
        return false;
    }
    int strLen = str.length();
    for (int i = 0; i < strLen; i++) {
        if (Character.isWhitespace(str.charAt(i))) {
            return true;
        }
    }
    return false;
}

From source file:Main.java

/**
 * Helper method to validate the phone number
 */// w w w .ja  v  a  2  s  .c  om
public static boolean isPhoneNumberValid(CharSequence phoneNumber) {
    boolean isGoodPhone = false;
    if (!Pattern.matches("[a-zA-Z]+", phoneNumber)) {
        isGoodPhone = !(phoneNumber.length() < 5 || phoneNumber.length() > 14);
    } else {
        isGoodPhone = false;
    }
    return isGoodPhone;
}

From source file:Main.java

public static CharSequence setTextStyleBold(CharSequence text) {
    final StyleSpan style = new StyleSpan(Typeface.BOLD);
    final SpannableString str = new SpannableString(text);
    str.setSpan(style, 0, text.length(), 0);

    return str;//from   ww  w  .  j  a va  2 s  .  c o m
}

From source file:Main.java

public static CharSequence setTextStyleNormal(CharSequence text) {
    final StyleSpan style = new StyleSpan(Typeface.NORMAL);
    final SpannableString str = new SpannableString(text);
    str.setSpan(style, 0, text.length(), 0);

    return str;//w w w . j a v  a2 s .c om
}