01: /*
02: * Copyright (C) 2004 NNL Technology AB
03: * Visit www.infonode.net for information about InfoNode(R)
04: * products and how to contact NNL Technology AB.
05: *
06: * This program is free software; you can redistribute it and/or
07: * modify it under the terms of the GNU General Public License
08: * as published by the Free Software Foundation; either version 2
09: * of the License, or (at your option) any later version.
10: *
11: * This program is distributed in the hope that it will be useful,
12: * but WITHOUT ANY WARRANTY; without even the implied warranty of
13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14: * GNU General Public License for more details.
15: *
16: * You should have received a copy of the GNU General Public License
17: * along with this program; if not, write to the Free Software
18: * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
19: * MA 02111-1307, USA.
20: */
21:
22: // $Id: PropertyPath.java,v 1.3 2004/09/22 14:32:50 jesper Exp $
23: package net.infonode.properties.util;
24:
25: import net.infonode.properties.base.Property;
26:
27: /**
28: * A path to a property.
29: *
30: * @author $Author: jesper $
31: * @version $Revision: 1.3 $
32: */
33: public class PropertyPath {
34: private Property property;
35: private PropertyPath tail;
36:
37: /**
38: * Creates a path containing a single property.
39: *
40: * @param property the property
41: */
42: public PropertyPath(Property property) {
43: this (property, null);
44: }
45:
46: /**
47: * Creates a path by prepending a path with a property.
48: *
49: * @param property the property to prepend
50: * @param tail the path to prepend to
51: */
52: public PropertyPath(Property property, PropertyPath tail) {
53: this .property = property;
54: this .tail = tail;
55: }
56:
57: /**
58: * Returns the first property in this path.
59: *
60: * @return the first property in the path
61: */
62: public Property getProperty() {
63: return property;
64: }
65:
66: /**
67: * Returns the path after the first property.
68: *
69: * @return the path after the first property
70: */
71: public PropertyPath getTail() {
72: return tail;
73: }
74:
75: /**
76: * Creates a new path that is a copy of this path.
77: * The properties are not copied.
78: *
79: * @return a copy of this path
80: */
81: public PropertyPath copy() {
82: return new PropertyPath(property, getTail() == null ? null
83: : getTail().copy());
84: }
85:
86: }
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