01: /*
02: * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
03: *
04: * This file is part of Resin(R) Open Source
05: *
06: * Each copy or derived work must preserve the copyright notice and this
07: * notice unmodified.
08: *
09: * 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: * Free SoftwareFoundation, Inc.
23: * 59 Temple Place, Suite 330
24: * Boston, MA 02111-1307 USA
25: *
26: * @author Scott Ferguson
27: */
28:
29: package com.caucho.xpath.expr;
30:
31: import com.caucho.xpath.Expr;
32: import com.caucho.xpath.XPathException;
33: import com.caucho.xpath.pattern.NodeIterator;
34:
35: /**
36: * A variable containing a Java object.
37: */
38: public class ObjectVar extends Var {
39: private Object object;
40:
41: /**
42: * Creates a new object variable with the object.
43: */
44: public ObjectVar(Object object) {
45: this .object = object;
46: }
47:
48: /**
49: * Returns the value as a double.
50: */
51: double getDouble() throws XPathException {
52: double v = Expr.toDouble(getObject());
53:
54: return v;
55: }
56:
57: /**
58: * Returns the value as an object.
59: */
60: Object getObject() {
61: if (object instanceof NodeIterator)
62: return ((NodeIterator) object).clone();
63: else
64: return object;
65: }
66:
67: public String toString() {
68: return "[ObjectVar " + object + "]";
69: }
70: }
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