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 org.w3c.dom.Element;
33:
34: import nextapp.echo2.app.Extent;
35: import nextapp.echo2.app.ResourceImageReference;
36: import nextapp.echo2.app.componentxml.InvalidPropertyException;
37: import nextapp.echo2.app.componentxml.PropertyXmlPeer;
38: import nextapp.echo2.app.util.DomUtil;
39:
40: /**
41: * <code>PropertyXmlPeer</code> implementation for
42: * <code>nextapp.echo2.app.ResourceImageReference</code> properties.
43: */
44: public class ResourceImageReferencePeer implements PropertyXmlPeer {
45:
46: /**
47: * @see nextapp.echo2.app.componentxml.PropertyXmlPeer#getValue(java.lang.ClassLoader,
48: * java.lang.Class, org.w3c.dom.Element)
49: */
50: public Object getValue(ClassLoader classLoader, Class objectClass,
51: Element propertyElement) throws InvalidPropertyException {
52: if (propertyElement.hasAttribute("value")) {
53: return new ResourceImageReference(propertyElement
54: .getAttribute("value"));
55: } else {
56: Element resourceImageReferenceElement = DomUtil
57: .getChildElementByTagName(propertyElement,
58: "resource-image-reference");
59: if (!resourceImageReferenceElement.hasAttribute("resource")) {
60: throw new InvalidPropertyException(
61: "Invalid ResourceImageReference property (resource not specified).",
62: null);
63: }
64: String resource = resourceImageReferenceElement
65: .getAttribute("resource");
66: String contentType = null;
67: if (resourceImageReferenceElement
68: .hasAttribute("content-type")) {
69: contentType = resourceImageReferenceElement
70: .getAttribute("content-type");
71: }
72: Extent width = null;
73: if (resourceImageReferenceElement.hasAttribute("width")) {
74: width = ExtentPeer
75: .toExtent(resourceImageReferenceElement
76: .getAttribute("width"));
77: }
78: Extent height = null;
79: if (resourceImageReferenceElement.hasAttribute("height")) {
80: height = ExtentPeer
81: .toExtent(resourceImageReferenceElement
82: .getAttribute("height"));
83: }
84: return new ResourceImageReference(resource, contentType,
85: width, height);
86: }
87: }
88: }
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