Java String Camel Case To camelCaseToSeparatorCase(String s, String separator)

Description

camel Case To Separator Case

License

LGPL

Declaration

static protected String camelCaseToSeparatorCase(String s, String separator) 

Method Source Code

//package com.java2s;
//License from project: LGPL 

public class Main {
    static protected String camelCaseToSeparatorCase(String s, String separator) {

        char[] input = s.toCharArray();

        StringBuilder output = new StringBuilder();

        for (int i = 0; i < input.length; i++) {
            char c = input[i];
            if (Character.isLowerCase(c) || isSpecialCharacter(c)) {
                output.append(c);/*from  www  . j  ava 2 s .c om*/
            } else {
                if (i > 0) {
                    if ((previousCharIsLowerCase(input, i) || nextCharIsLowerCase(input, i))
                            && (!isSpecialCharacter(input[i - 1]) && !isSpecialCharacter(input[i + 1]))) {
                        output.append(separator);
                    }
                }
                output.append(Character.toLowerCase(c));
            }
        }

        String result = output.toString();

        return result;
    }

    static private boolean isSpecialCharacter(char c) {

        return !Character.isLetterOrDigit(c);
    }

    static private boolean previousCharIsLowerCase(char[] input, int i) {

        return Character.isLowerCase(input[i - 1]);
    }

    static private boolean nextCharIsLowerCase(char[] input, int i) {

        return i < (input.length - 1) && Character.isLowerCase(input[i + 1]);
    }
}

Related

1. camelCaseToEnum(String name)
2. camelCaseToHuman(String input)
3. camelCaseToPhrase(String camelCase)
4. camelCaseToPretty(String camelCase)
5. camelCaseToSeparatedWords(String ccString, String separator)
6. camelCaseToSpacedString(String camel)
7. camelcaseToUppercase(String camelCase)
8. camelCaseToWords(String data)
9. camelCaseUnderscores(String str)