Java String Camel Case Format toCamelCase(String columnName)

Description

to Camel Case

License

Open Source License

Declaration

public static String toCamelCase(String columnName) 

Method Source Code

//package com.java2s;
/*// www.j  a  v  a 2s  . c om
 *
 * Copyright 2013 LinkedIn Corp. All rights reserved
 *
 * 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 toCamelCase(String columnName) {
        return toCamelCase(columnName, false);
    }

    public static String toCamelCase(String columnName, boolean initialCap) {
        boolean afterUnderscore = false;
        StringBuilder sb = new StringBuilder(columnName.length());
        for (int i = 0; i < columnName.length(); i++) {
            char ch = columnName.charAt(i);
            if (ch == '_') {
                afterUnderscore = true;
            } else if (afterUnderscore) {
                sb.append(Character.toUpperCase(ch));
                afterUnderscore = false;
            } else {
                sb.append(Character.toLowerCase(ch));
                afterUnderscore = false;
            }
        }

        if (initialCap && sb.length() > 0) {
            sb.replace(0, 1, sb.substring(0, 1).toUpperCase());
        }

        return sb.toString();
    }
}

Related

1. toCamelcase(final String string)
2. toCamelCase(final String string)
3. toCamelCase(String anyCase, char wordMarker)
4. toCamelCase(String argString)
5. toCamelCase(String begin, String... parts)
6. toCamelCase(String dashCase)
7. toCamelCase(String id)
8. toCamelCase(String in, boolean startWithUpper)
9. toCamelCase(String input)