Java String Underscore underScoreCase2CamelCase(String str)

Description

under Score Case Camel Case

License

Open Source License

Declaration

public static final String underScoreCase2CamelCase(String str) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

import java.util.Arrays;

public class Main {

    public static final String underScoreCase2CamelCase(String str) {
        if (!str.contains("_"))
            return str;
        StringBuilder sb = new StringBuilder();
        char[] chars = str.toCharArray();
        boolean hitUnderScore = false;
        sb.append(chars[0]);/*w  w w  . j  a va 2  s.c o  m*/
        for (int i = 1; i < chars.length; i++) {
            char c = chars[i];
            if (c == '_') {
                hitUnderScore = true;
            } else {
                if (hitUnderScore) {
                    sb.append(Character.toUpperCase(c));
                    hitUnderScore = false;
                } else {
                    sb.append(c);
                }
            }
        }
        return sb.toString();
    }

    public static boolean contains(Object arr[], Object... obj) {
        if (arr == null || obj == null || arr.length == 0)
            return false;
        return Arrays.asList(arr).containsAll(Arrays.asList(obj));
    }

    public static String toString(Object object) {
        return toString(object, null);
    }

    public static String toString(Object object, String defaultValue) {
        if (object == null)
            return defaultValue;
        return String.valueOf(object);
    }
}

Related

1. underscore(String word)
2. underscoreAllWhitespace(String str)
3. underscoreAndLowercase(String s)
4. underScoreBreakToCaseBreak (final String s)
5. underscoreCase(String s)
6. underscored(String string)
7. underscoredToCamel(String string)
8. underscoreName(String camelCaseName)
9. underscoreName(String name)