Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/**
 * Copyright (c) 2013, 2014 Denis Nikiforov.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors:
 *    Denis Nikiforov - initial API and implementation
 */

public class Main {
    public static String convertCamelCaseToAllCaps(String qualifiedClassName) {
        StringBuffer sb = new StringBuffer();
        final char[] charArray = qualifiedClassName.toCharArray();
        for (int c = 0; c < charArray.length; c++) {
            char character = charArray[c];
            final boolean isEnd = c + 1 == charArray.length;
            boolean nextIsUpper = !isEnd && Character.isUpperCase(charArray[c + 1]);
            boolean nextNextIsLower = c + 2 < (charArray.length) && Character.isLowerCase(charArray[c + 2]);

            sb.append(Character.toUpperCase(character));
            if (Character.isLowerCase(character) && nextIsUpper) {
                sb.append('_');
            } else {
                if (nextIsUpper && nextNextIsLower) {
                    sb.append('_');
                }
            }
        }
        return sb.toString();
    }
}