01: /*
02: $Id: NodeBuilder.java 1107 2004-04-27 02:25:29Z spullara $
03:
04: Copyright 2003 (C) James Strachan and Bob Mcwhirter. All Rights Reserved.
05:
06: Redistribution and use of this software and associated documentation
07: ("Software"), with or without modification, are permitted provided
08: that the following conditions are met:
09:
10: 1. Redistributions of source code must retain copyright
11: statements and notices. Redistributions must also contain a
12: copy of this document.
13:
14: 2. Redistributions in binary form must reproduce the
15: above copyright notice, this list of conditions and the
16: following disclaimer in the documentation and/or other
17: materials provided with the distribution.
18:
19: 3. The name "groovy" must not be used to endorse or promote
20: products derived from this Software without prior written
21: permission of The Codehaus. For written permission,
22: please contact info@codehaus.org.
23:
24: 4. Products derived from this Software may not be called "groovy"
25: nor may "groovy" appear in their names without prior written
26: permission of The Codehaus. "groovy" is a registered
27: trademark of The Codehaus.
28:
29: 5. Due credit should be given to The Codehaus -
30: http://groovy.codehaus.org/
31:
32: THIS SOFTWARE IS PROVIDED BY THE CODEHAUS AND CONTRIBUTORS
33: ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
34: NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
35: FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
36: THE CODEHAUS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
37: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
38: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
39: SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
40: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
41: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
42: ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
43: OF THE POSSIBILITY OF SUCH DAMAGE.
44:
45: */
46: package groovy.util;
47:
48: import java.util.ArrayList;
49: import java.util.Map;
50:
51: /**
52: * A helper class for creating nested trees of Node objects for
53: * handling arbitrary data
54: *
55: * @author <a href="mailto:james@coredevelopers.net">James Strachan</a>
56: * @version $Revision: 1107 $
57: */
58: public class NodeBuilder extends BuilderSupport {
59:
60: public static NodeBuilder newInstance() {
61: return new NodeBuilder();
62: }
63:
64: protected void setParent(Object parent, Object child) {
65: }
66:
67: protected Object createNode(Object name) {
68: return new Node(getCurrentNode(), name, new ArrayList());
69: }
70:
71: protected Object createNode(Object name, Object value) {
72: return new Node(getCurrentNode(), name, value);
73: }
74:
75: protected Object createNode(Object name, Map attributes) {
76: return new Node(getCurrentNode(), name, attributes,
77: new ArrayList());
78: }
79:
80: protected Object createNode(Object name, Map attributes,
81: Object value) {
82: return new Node(getCurrentNode(), name, attributes, value);
83: }
84:
85: protected Node getCurrentNode() {
86: return (Node) getCurrent();
87: }
88: }
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