Java Object NVL nvl(String x, String y)

Description

nvl

License

Open Source License

Declaration

public static final String nvl(String x, String y) 

Method Source Code

//package com.java2s;
/*/*from   w  w w  . j  av  a2s.com*/
 * This file is part of the Jose Project
 * see http://jose-chess.sourceforge.net/
 * (c) 2002-2006 Peter Sch?fer
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 */

public class Main {
    public static final String nvl(String x, String y) {
        if (x == null || x.length() == 0)
            return y;
        else
            return x;
    }

    public static final int length(Object string) {
        if (string instanceof String)
            return ((String) string).length();
        if (string instanceof StringBuffer)
            return ((StringBuffer) string).length();
        throw new IllegalArgumentException("expecting String or StringBuffer");
    }
}

Related

1. NVL(String str, String replace)
2. nvl(String string)
3. nvl(String value)
4. nvl(String value, String defaultValue)
5. NVL(String value, String replace)
6. nvl(T mainValue, T... fallbackValues)
7. nvl(T o, T replacement)
8. nvl(T o, T valueIfNull)
9. nvl(T object, T defaultValue)