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Java > Open Source Codes > com > caucho > quercus > lib > gettext > expr > IfExpr


1 /*
2  * Copyright (c) 1998-2006 Caucho Technology -- all rights reserved
3  *
4  * This file is part of Resin(R) Open Source
5  *
6  * Each copy or derived work must preserve the copyright notice and this
7  * notice unmodified.
8  *
9  * Resin Open Source is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * Resin Open Source is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17  * of NON-INFRINGEMENT. See the GNU General Public License for more
18  * details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with Resin Open Source; if not, write to the
22  *
23  * Free Software Foundation, Inc.
24  * 59 Temple Place, Suite 330
25  * Boston, MA 02111-1307 USA
26  *
27  * @author Nam Nguyen
28  */
29
30 package com.caucho.quercus.lib.gettext.expr;
31
32 public class IfExpr implements Expr
33 {
34   protected Expr _testExpr;
35   protected Expr _trueExpr;
36   protected Expr _falseExpr;
37
38   public IfExpr(Expr testExpr, Expr trueExpr, Expr falseExpr)
39   {
40     _testExpr = testExpr;
41     _trueExpr = trueExpr;
42     _falseExpr = falseExpr;
43   }
44
45   public int eval(int n)
46   {
47     if (_testExpr.eval(n) != 0)
48       return _trueExpr.eval(n);
49     else
50       return _falseExpr.eval(n);
51   }
52 }
53
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