Java String Align Center alignCenter(String str, int length)

Description

align Center

License

Apache License

Declaration

public static String alignCenter(String str, int length) 

Method Source Code

//package com.java2s;
/*/*  www. jav a 2  s  . c  om*/
 * Copyright 2008-2009 MOPAS(Ministry of Public Administration and Security).
 *
 * 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 {
    private final static char WHITE_SPACE = ' ';

    public static String alignCenter(String str, int length) {
        return alignCenter(str, length, false);
    }

    public static String alignCenter(String str, int length,
            boolean isEllipsis) {
        if (str.length() <= length) {

            StringBuffer temp = new StringBuffer(length);
            int leftMargin = (int) (length - str.length()) / 2;

            int rightMargin;
            if ((leftMargin * 2) == (length - str.length())) {
                rightMargin = leftMargin;
            } else {
                rightMargin = leftMargin + 1;
            }

            for (int i = 0; i < leftMargin; i++) {
                temp.append(WHITE_SPACE);
            }

            temp.append(str);

            for (int i = 0; i < rightMargin; i++) {
                temp.append(WHITE_SPACE);
            }

            return temp.toString();
        } else {
            if (isEllipsis) {

                StringBuffer temp = new StringBuffer(length);
                temp.append(str.substring(0, length - 3));
                temp.append("...");
                return temp.toString();
            } else {
                return str.substring(0, length);
            }
        }

    }
}

Related

1. alignCenter(String sLine, int iSize)
2. alignCenter(String substring, int totalWidth, char fill)