Java String Camel Case to Upper Case camelCaseToUpperCase(final String camelCase)

Description

camel Case To Upper Case

License

Apache License

Declaration

public static String camelCaseToUpperCase(final String camelCase) 

Method Source Code

//package com.java2s;
/*/*from w  w w  .ja  va2s  .  com*/
 * $Id: StringUtil.java,v 1.2 2009-06-30 14:14:38 concentus Exp $
 * 
 * Copyright 2005 Sebastian Hasait
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

public class Main {
    public static String camelCaseToUpperCase(final String camelCase) {
        StringBuffer result = new StringBuffer();
        boolean lastWasNotUpperCase = false;
        for (int chI = 0; chI < camelCase.length(); chI++) {
            char ch = camelCase.charAt(chI);
            if (Character.isUpperCase(ch)) {
                if (lastWasNotUpperCase) {
                    result.append("_");
                }
                lastWasNotUpperCase = false;
            } else {
                lastWasNotUpperCase = true;
            }
            result.append(Character.toUpperCase(ch));
        }
        return result.toString();
    }

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

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

Related

1. camelCaseToUpperCase(String camelCaseName)
2. camelCaseToUpperCase(String in)
3. camelToUpper(String camel)
4. camelToUpper(String name)