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NullableDecimalFormat.java

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00001 /*
00002  * NullableDecimalFormat.java
00003  *
00004  * Copyright (C) 2005 Project SQUID, http://www.cs.helsinki.fi/group/squid/
00005  *
00006  * This file is part of Ikayaki.
00007  *
00008  * Ikayaki is free software; you can redistribute it and/or modify
00009  * it under the terms of the GNU General Public License as published by
00010  * the Free Software Foundation; either version 2 of the License, or
00011  * (at your option) any later version.
00012  *
00013  * Ikayaki is distributed in the hope that it will be useful,
00014  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00015  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
00016  * GNU General Public License for more details.
00017  *
00018  * You should have received a copy of the GNU General Public License
00019  * along with Ikayaki; if not, write to the Free Software
00020  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
00021  */
00022 
00023 package ikayaki.gui;
00024 
00025 import java.text.DecimalFormat;
00026 import java.text.ParseException;
00027 
00036 public class NullableDecimalFormat extends DecimalFormat {
00037 
00038     @Override public Object parseObject(String source) throws ParseException {
00039         if (source.equals("")) {
00040             return null;
00041         }
00042         return super.parseObject(source);
00043     }
00044 }

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