Example usage for java.lang Character isUpperCase

Introduction

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

Prototype

public static boolean isUpperCase(int codePoint)

Source Link

Document

Determines if the specified character (Unicode code point) is an uppercase character.

Usage

From source file:Main.java

public static String capitalizeFirstLetter(String str) {
    if (isEmpty(str)) {
        return str;
    }//  w  ww .jav  a 2 s.  c o m

    char c = str.charAt(0);
    return (!Character.isLetter(c) || Character.isUpperCase(c)) ? str
            : new StringBuilder(str.length()).append(Character.toUpperCase(c)).append(str.substring(1))
                    .toString();
}

From source file:Main.java

private static String camelCase2Upper(String s) {
    String r = "";
    boolean u = false;
    for (int i = 0; i < s.length(); i++) {
        char c = s.charAt(i);
        char C = Character.toUpperCase(c);
        if (Character.isUpperCase(c)) {
            r = r + (u ? ("_" + C) : C);
        } else {//from  ww w.jav  a2s .c o  m
            u = true;
            r = r + C;
        }
    }
    return r;
}

From source file:Main.java

private static String splitCamelToHuman(final String source) {
    StringBuilder target = new StringBuilder();
    boolean isFirstChar = true;
    for (int i = 0; i < source.length(); i++) {
        Character ch = source.charAt(i);
        if (Character.isUpperCase(ch)) {
            target.append(" ");
            if (isFirstChar) {
                target.append(ch);/*w  ww  .  ja v  a2  s.c o m*/
                isFirstChar = false;
            } else {
                target.append(Character.toLowerCase(ch));
            }
        } else {
            target.append(ch);
        }
    }
    return target.toString();
}

From source file:Main.java

public static String[] splitByCamelCase(String name) {
    List<String> parts = new ArrayList<String>();
    StringBuilder b = new StringBuilder();
    for (int i = 0; i < name.length(); i++) {
        if (i > 0 && Character.isUpperCase(name.charAt(i))) {
            parts.add(b.toString());/* w w w . ja v a2 s .com*/
            b = new StringBuilder();
        }
        b.append(Character.toLowerCase(name.charAt(i)));
    }
    parts.add(b.toString());
    return parts.toArray(new String[] {});
}

From source file:Main.java

private static String toIdName(String fieldName) {
    String idName = String.valueOf(Character.toLowerCase(fieldName.charAt(1)));

    for (int i = 2, length = fieldName.length(); i < length; ++i) {
        char c = fieldName.charAt(i);
        if (Character.isUpperCase(c)) {
            idName = idName + ID_SEPARATOR + Character.toLowerCase(c);
        } else {// w  w w  .j  ava 2s.com
            idName += c;
        }
    }

    return idName;
}

From source file:Main.java

public static String toConstantFormat(String str) {
    int n = str.length();
    List<Character> list = new ArrayList<Character>();
    char c;/*from ww w . j  a va  2s.c om*/
    for (int i = 0; i < n; i++) {
        c = str.charAt(i);
        if (i != 0 && Character.isUpperCase(c)) {
            list.add('_');
        }
        list.add(Character.toUpperCase(c));
    }

    StringBuffer buffer = new StringBuffer();
    for (Character character : list) {
        buffer.append(character);
    }
    return buffer.toString();
}

From source file:Main.java

/** convert given "directiveName" to "directive-name" */
private static String getDirectiveNameAsHtmlAttribute(String directiveName) {
    StringBuilder sb = new StringBuilder();
    for (int i = 0; i < directiveName.length(); i++) {
        char ch = directiveName.charAt(i);
        if (Character.isUpperCase(ch)) {
            sb.append('-');
            ch = Character.toLowerCase(ch);
        }//from   w w  w  . j  ava 2s  . c om
        sb.append(ch);
    }
    return sb.toString();
}

From source file:Main.java

/**
 * @param str str//ww w. j a va 2  s .com
 * @return String
 */
public static String capitalizeFirstLetter(String str) {

    if (isEmpty(str)) {
        return str;
    }

    char c = str.charAt(0);
    return (!Character.isLetter(c) || Character.isUpperCase(c)) ? str
            : new StringBuilder(str.length()).append(Character.toUpperCase(c)).append(str.substring(1))
                    .toString();
}

From source file:Main.java

private static String addSpaceIfRequired(String value, int index) {
    if (index == 0)
        return VOID_STRING;
    char precedingChar = value.charAt(index - 1);
    char thisChar = value.charAt(index);
    if (Character.isLowerCase(precedingChar) && Character.isUpperCase(thisChar)
            || Character.isLetter(precedingChar) && Character.isDigit(thisChar)
            || Character.isDigit(precedingChar) && Character.isLetter(thisChar)) {
        return SPACE;
    }//from ww w . jav  a  2 s .c  o m
    if (index + 1 == value.length())
        return VOID_STRING;
    char nextChar = value.charAt(index + 1);
    if (Character.isUpperCase(precedingChar) && Character.isUpperCase(thisChar)
            && Character.isLowerCase(nextChar)) {
        return SPACE;
    }
    return VOID_STRING;
}

From source file:MainClass.java

static String capitalize(String s) throws NullPointerException, AlreadyCapitalizedException {
    if (s == null) {
        throw new NullPointerException("Your passed a null argument");
    }//from   ww  w . j  a v  a2  s. com
    Character firstChar = s.charAt(0);
    if (Character.isUpperCase(firstChar)) {
        throw new AlreadyCapitalizedException();
    }
    String theRest = s.substring(1);
    return firstChar.toString().toUpperCase() + theRest;
}