01: /*
02: * This file is part of the Echo Web Application Framework (hereinafter "Echo").
03: * Copyright (C) 2002-2005 NextApp, Inc.
04: *
05: * Version: MPL 1.1/GPL 2.0/LGPL 2.1
06: *
07: * The contents of this file are subject to the Mozilla Public License Version
08: * 1.1 (the "License"); you may not use this file except in compliance with
09: * the License. You may obtain a copy of the License at
10: * http://www.mozilla.org/MPL/
11: *
12: * Software distributed under the License is distributed on an "AS IS" basis,
13: * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
14: * for the specific language governing rights and limitations under the
15: * License.
16: *
17: * Alternatively, the contents of this file may be used under the terms of
18: * either the GNU General Public License Version 2 or later (the "GPL"), or
19: * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
20: * in which case the provisions of the GPL or the LGPL are applicable instead
21: * of those above. If you wish to allow use of your version of this file only
22: * under the terms of either the GPL or the LGPL, and not to allow others to
23: * use your version of this file under the terms of the MPL, indicate your
24: * decision by deleting the provisions above and replace them with the notice
25: * and other provisions required by the GPL or the LGPL. If you do not delete
26: * the provisions above, a recipient may use your version of this file under
27: * the terms of any one of the MPL, the GPL or the LGPL.
28: */
29:
30: package nextapp.echo2.app.componentxml.propertypeer;
31:
32: import java.util.StringTokenizer;
33:
34: import org.w3c.dom.Element;
35:
36: import nextapp.echo2.app.Extent;
37: import nextapp.echo2.app.Insets;
38: import nextapp.echo2.app.componentxml.InvalidPropertyException;
39: import nextapp.echo2.app.componentxml.PropertyXmlPeer;
40:
41: /**
42: * <code>PropertyXmlPeer</code> implementation for
43: * <code>nextapp.echo2.app.Insets</code> properties.
44: */
45: public class InsetsPeer implements PropertyXmlPeer {
46:
47: public static Insets toInsets(String value)
48: throws InvalidPropertyException {
49: StringTokenizer st = new StringTokenizer(value, " ");
50: int count = st.countTokens();
51: switch (count) {
52: case 1:
53: Extent extent = ExtentPeer.toExtent(st.nextToken());
54: return new Insets(extent);
55: case 2:
56: Extent horizontal = ExtentPeer.toExtent(st.nextToken());
57: Extent vertical = ExtentPeer.toExtent(st.nextToken());
58: return new Insets(horizontal, vertical);
59: case 4:
60: Extent left = ExtentPeer.toExtent(st.nextToken());
61: Extent top = ExtentPeer.toExtent(st.nextToken());
62: Extent right = ExtentPeer.toExtent(st.nextToken());
63: Extent bottom = ExtentPeer.toExtent(st.nextToken());
64: return new Insets(left, top, right, bottom);
65: default:
66: throw new InvalidPropertyException("Invalid Insets value: "
67: + value, null);
68: }
69: }
70:
71: /**
72: * @see nextapp.echo2.app.componentxml.PropertyXmlPeer#getValue(java.lang.ClassLoader,
73: * java.lang.Class, org.w3c.dom.Element)
74: */
75: public Object getValue(ClassLoader classLoader, Class objectClass,
76: Element propertyElement) throws InvalidPropertyException {
77: String value = propertyElement.getAttribute("value");
78: return toInsets(value);
79: }
80: }
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