Java String Leading Character addLeadingSpace(String s, int len)

Description

Adds leading spaces to the given string to the specified length.

License

Open Source License

Parameter

Parameter	Description
s	the source string.
len	the length of the target string.

Return

the string after adding leading spaces.

Declaration

public static String addLeadingSpace(String s, int len) 

Method Source Code

//package com.java2s;
/* //  w w  w.j a  v a  2 s  .co m
 * Copyright(c) 2005 Center for E-Commerce Infrastructure Development, The
 * University of Hong Kong (HKU). All Rights Reserved.
 *
 * This software is licensed under the GNU GENERAL PUBLIC LICENSE Version 2.0 [1]
 * 
 * [1] http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
 */

public class Main {
    /**
     * Adds leading spaces to the given string to the specified length. Nothing
     * will be done if the length of the given string is equal to or greater
     * than the specified length.
     * 
     * @param s the source string.
     * @param len the length of the target string.
     * @return the string after adding leading spaces.
     */
    public static String addLeadingSpace(String s, int len) {
        return addLeadingCharacter(s, ' ', len);
    }

    /**
     * Adds specified leading characters to the specified length. Nothing will
     * be done if the length of the given string is equal to or greater than the
     * specified length.
     * 
     * @param s the source string.
     * @param c the leading character(s) to be added.
     * @param len the length of the target string.
     * @return the string after adding the specified leading character(s).
     */
    public static String addLeadingCharacter(String s, char c, int len) {
        while (s != null && s.length() < len) {
            s = c + s;
        }
        return s;
    }
}

Related

1. addLeadingSlash(String fileName)
2. addLeadingSlash(String fileName)
3. addLeadingSlash(String path)
4. addLeadingSlash(String path)
5. addLeadingSlash(String string)
6. addLeadingSpace(String s, int len)
7. addLeadingUnixSlash(String fileName)
8. addLeadingZero(byte[] value)
9. addLeadingZero(final int value)