Java String Camel Case Format toCamelCase(String in, boolean startWithUpper)

Description

Returns a camel case formatted representation of the String passed in.

License

Open Source License

Parameter

Parameter	Description
in	The String that needs to be reformatted.
startWithUpper	A boolean indicating whether or not the String returned needs to start with an uppercase character.

Return

The String formatted according to the settings passed in.

Declaration

public static String toCamelCase(String in, boolean startWithUpper) 

Method Source Code

//package com.java2s;
/**//  www.ja  v  a2 s. co m
 * Copyright (C) 2009 Original Authors
 *
 * This file is part of Spring ME.
 *
 * Spring ME 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 2, or (at your option) any
 * later version.
 *
 * Spring ME 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 Spring ME; see the file COPYING. If not, write to the Free
 * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301 USA.
 *
 * Linking this library statically or dynamically with other modules is
 * making a combined work based on this library. Thus, the terms and
 * conditions of the GNU General Public License cover the whole
 * combination.
 *
 * As a special exception, the copyright holders of this library give you
 * permission to link this library with independent modules to produce an
 * executable, regardless of the license terms of these independent
 * modules, and to copy and distribute the resulting executable under
 * terms of your choice, provided that you also meet, for each linked
 * independent module, the terms and conditions of the license of that
 * module. An independent module is a module which is not derived from or
 * based on this library. If you modify this library, you may extend this
 * exception to your version of the library, but you are not obligated to
 * do so. If you do not wish to do so, delete this exception statement
 * from your version.
 */

public class Main {
    /**
     * Returns a camel case formatted representation of the String passed in.
     * 
     * @param in
     *            The String that needs to be reformatted.
     * @param startWithUpper
     *            A boolean indicating whether or not the String returned needs
     *            to start with an uppercase character.
     * @return The String formatted according to the settings passed in.
     */
    public static String toCamelCase(String in, boolean startWithUpper) {
        StringBuilder builder = new StringBuilder();
        int length = in.length();
        boolean nextUpper = startWithUpper;
        for (int i = 0; i < length; i++) {
            char c = in.charAt(i);
            if (c == '-' || c == '_' || c == '#' || c == '.') {
                nextUpper = true;
            } else {
                if (nextUpper) {
                    builder.append(Character.toUpperCase(c));
                    nextUpper = false;
                } else {
                    builder.append(c);
                }
            }
        }
        return builder.toString();
    }

    /**
     * Returns an all-uppercase representation of the String passed in, with
     * dashes being replaced by underscores.
     * 
     * @param in
     *            The String to be reformatted.
     * @return The reformatted String.
     */
    public static String toUpperCase(String in) {
        StringBuilder builder = new StringBuilder();
        int length = in.length();
        for (int i = 0; i < length; i++) {
            char c = in.charAt(i);
            if (c == '-') {
                builder.append("_");
            } else {
                builder.append(Character.toUpperCase(c));
            }
        }
        return builder.toString();
    }
}

Related

1. toCamelCase(String argString)
2. toCamelCase(String begin, String... parts)
3. toCamelCase(String columnName)
4. toCamelCase(String dashCase)
5. toCamelCase(String id)
6. toCamelCase(String input)
7. toCamelCase(String input)
8. toCamelCase(String input)
9. toCamelCase(String input, boolean capitalizeFirsLetter)