svndigest - svndigest

Rev	Date	Author	Line
6129	12 Feb 21	nicklas	1	package net.sf.basedb.varsearch.util;
6129	12 Feb 21	nicklas	2
6129	12 Feb 21	nicklas	3
6129	12 Feb 21	nicklas	4	/**
6129	12 Feb 21	nicklas	5	StringBuilder-like wrapper that ignore null values that are
6129	12 Feb 21	nicklas	6	appended.
6129	12 Feb 21	nicklas	7	@author nicklas
6129	12 Feb 21	nicklas	8	*/
6129	12 Feb 21	nicklas	9	public class NullSafeStringBuilder
6129	12 Feb 21	nicklas	10	{
6129	12 Feb 21	nicklas	11
6129	12 Feb 21	nicklas	12
6129	12 Feb 21	nicklas	13	private final StringBuilder sb;
6129	12 Feb 21	nicklas	14
6129	12 Feb 21	nicklas	15	public NullSafeStringBuilder()
6129	12 Feb 21	nicklas	16	{
6129	12 Feb 21	nicklas	17	this.sb = new StringBuilder();
6129	12 Feb 21	nicklas	18	}
6129	12 Feb 21	nicklas	19
6129	12 Feb 21	nicklas	20	/**
6129	12 Feb 21	nicklas	21	Get access to actual StringBuilder.
6129	12 Feb 21	nicklas	22	*/
6129	12 Feb 21	nicklas	23	public StringBuilder sb()
6129	12 Feb 21	nicklas	24	{
6129	12 Feb 21	nicklas	25	return sb;
6129	12 Feb 21	nicklas	26	}
6129	12 Feb 21	nicklas	27
6129	12 Feb 21	nicklas	28	/**
6129	12 Feb 21	nicklas	29	Append a string, ignoring null values.
6129	12 Feb 21	nicklas	30	*/
6129	12 Feb 21	nicklas	31	public NullSafeStringBuilder append(String str)
6129	12 Feb 21	nicklas	32	{
6129	12 Feb 21	nicklas	33	if (str != null) sb.append(str);
6129	12 Feb 21	nicklas	34	return this;
6129	12 Feb 21	nicklas	35	}
6129	12 Feb 21	nicklas	36
6129	12 Feb 21	nicklas	37	@Override
6129	12 Feb 21	nicklas	38	public String toString()
6129	12 Feb 21	nicklas	39	{
6129	12 Feb 21	nicklas	40	return sb.toString();
6129	12 Feb 21	nicklas	41	}
6129	12 Feb 21	nicklas	42
6129	12 Feb 21	nicklas	43	}