Example usage for java.lang Character isTitleCase

Introduction

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

Prototype

public static boolean isTitleCase(int codePoint) 

Source Link

Document

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

Usage

From source file:com.clark.func.Functions.java

/**
 * <p>/*  w ww . j a va 2s .  c  o  m*/
 * Swaps the case of a String changing upper and title case to lower case,
 * and lower case to upper case.
 * </p>
 * 
 * <ul>
 * <li>Upper case character converts to Lower case</li>
 * <li>Title case character converts to Lower case</li>
 * <li>Lower case character converts to Upper case</li>
 * </ul>
 * 
 * <p>
 * For a word based algorithm, see
 * {@link org.apache.commons.lang3.text.WordUtils#swapCase(String)}. A
 * <code>null</code> input String returns <code>null</code>.
 * </p>
 * 
 * <pre>
 * swapCase(null)                 = null
 * swapCase("")                   = ""
 * swapCase("The dog has a BONE") = "tHE DOG HAS A bone"
 * </pre>
 * 
 * <p>
 * NOTE: This method changed in Lang version 2.0. It no longer performs a
 * word based algorithm. If you only use ASCII, you will notice no change.
 * That functionality is available in
 * org.apache.commons.lang3.text.WordUtils.
 * </p>
 * 
 * @param str
 *            the String to swap case, may be null
 * @return the changed String, <code>null</code> if null String input
 */
public static String swapCase(String str) {
    int strLen;
    if (str == null || (strLen = str.length()) == 0) {
        return str;
    }
    StringBuilder buffer = new StringBuilder(strLen);

    char ch = 0;
    for (int i = 0; i < strLen; i++) {
        ch = str.charAt(i);
        if (Character.isUpperCase(ch)) {
            ch = Character.toLowerCase(ch);
        } else if (Character.isTitleCase(ch)) {
            ch = Character.toLowerCase(ch);
        } else if (Character.isLowerCase(ch)) {
            ch = Character.toUpperCase(ch);
        }
        buffer.append(ch);
    }
    return buffer.toString();
}

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From source file:bfile.util.StringUtils.java

/**
 * <p>Swaps the case of a String changing upper and title case to
 * lower case, and lower case to upper case.</p>
 *
 * <ul>//from  w  w  w .  j  a  v a  2s  . c om
 *  <li>Upper case character converts to Lower case</li>
 *  <li>Title case character converts to Lower case</li>
 *  <li>Lower case character converts to Upper case</li>
 * </ul>
 *
 * <p>For a word based algorithm, see {@link org.apache.commons.lang3.text.WordUtils#swapCase(String)}.
 * A {@code null} input String returns {@code null}.</p>
 *
 * <pre>
 * StringUtils.swapCase(null)                 = null
 * StringUtils.swapCase("")                   = ""
 * StringUtils.swapCase("The dog has a BONE") = "tHE DOG HAS A bone"
 * </pre>
 *
 * <p>NOTE: This method changed in Lang version 2.0.
 * It no longer performs a word based algorithm.
 * If you only use ASCII, you will notice no change.
 * That functionality is available in org.apache.commons.lang3.text.WordUtils.</p>
 *
 * @param str  the String to swap case, may be null
 * @return the changed String, {@code null} if null String input
 */
public static String swapCase(final String str) {
    if (StringUtils.isEmpty(str)) {
        return str;
    }

    final int strLen = str.length();
    int newCodePoints[] = new int[strLen]; // cannot be longer than the char array
    int outOffset = 0;
    for (int i = 0; i < strLen;) {
        final int oldCodepoint = str.codePointAt(i);
        final int newCodePoint;
        if (Character.isUpperCase(oldCodepoint)) {
            newCodePoint = Character.toLowerCase(oldCodepoint);
        } else if (Character.isTitleCase(oldCodepoint)) {
            newCodePoint = Character.toLowerCase(oldCodepoint);
        } else if (Character.isLowerCase(oldCodepoint)) {
            newCodePoint = Character.toUpperCase(oldCodepoint);
        } else {
            newCodePoint = oldCodepoint;
        }
        newCodePoints[outOffset++] = newCodePoint;
        i += Character.charCount(newCodePoint);
    }
    return new String(newCodePoints, 0, outOffset);
}

---

From source file:org.ballerinalang.composer.service.workspace.swagger.SwaggerConverterUtils.java

public static String capitalize(String str) {
    int strLen;//from w  ww  . j a  va2 s .c  o m
    if (str != null && (strLen = str.length()) != 0) {
        char firstChar = str.charAt(0);
        return Character.isTitleCase(firstChar) ? str
                : (new StringBuilder(strLen)).append(Character.toTitleCase(firstChar)).append(str.substring(1))
                        .toString();
    } else {
        return str;
    }
}

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