Java String Underscore underscoredToCamel(String string)

Description

underscored To Camel

License

Open Source License

Declaration

public static String underscoredToCamel(String string) 

Method Source Code

//package com.java2s;
/*//from   w  w w . j  av  a2s.  c om
   Copyright (c) 2009-2011 Olivier Chafik, All Rights Reserved
       
   This file is part of JNAerator (http://jnaerator.googlecode.com/).
       
   JNAerator is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.
       
   JNAerator is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
       
   You should have received a copy of the GNU General Public License
   along with JNAerator.  If not, see <http://www.gnu.org/licenses/>.
*/

import java.util.ArrayList;
import java.util.Arrays;

import java.util.List;

public class Main {
    public static String underscoredToCamel(String string) {
        String[] a = string.split("_");
        for (int i = 0, n = a.length; i < n; i++) {
            String s = a[i].trim();
            a[i] = capitalize(a[i]);
        }
        return implode(a, "");
    }

    public static String capitalize(String string) {
        return string == null ? null
                : string.length() == 0 ? "" : Character.toUpperCase(string.charAt(0)) + string.substring(1);
    }

    public static String capitalize(List<String> strings, String separator) {
        List<String> cap = new ArrayList<String>(strings.size());
        for (String s : strings)
            cap.add(capitalize(s));
        return implode(cap, separator);
    }

    public static String implode(double[] array, String separator) {
        StringBuffer out = new StringBuffer();
        boolean first = true;
        for (double v : array) {
            if (first)
                first = false;
            else
                out.append(separator);
            out.append(v);
        }
        return out.toString();
    }

    public static String implode(Object[] values) {
        return implode(values, ", ");
    }

    public static String implode(Object[] values, Object separator) {
        return implode(Arrays.asList(values), separator);
    }

    public static final <T> String implode(Iterable<T> elements, Object separator) {
        String sepStr = separator.toString();
        StringBuilder out = new StringBuilder();
        boolean first = true;
        for (Object s : elements) {
            if (s == null)
                continue;

            if (first)
                first = false;
            else
                out.append(sepStr);
            out.append(s);
        }
        return out.toString();
    }

    public static final String implode(Iterable<?> strings) {
        return implode(strings, ", ");
    }
}

Related

1. underscoreAndLowercase(String s)
2. underScoreBreakToCaseBreak (final String s)
3. underscoreCase(String s)
4. underScoreCase2CamelCase(String str)
5. underscored(String string)
6. underscoreName(String camelCaseName)
7. underscoreName(String name)
8. underscoreSpaces(String input)
9. underscoreSpaces(String str)