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Java > Open Source Codes > org > apache > batik > dom > svg > SVGExternalResourcesRequiredSupport


1 /*
2
3    Copyright 2000-2003 The Apache Software Foundation
4
5    Licensed under the Apache License, Version 2.0 (the "License");
6    you may not use this file except in compliance with the License.
7    You may obtain a copy of the License at
8
9        http://www.apache.org/licenses/LICENSE-2.0
10
11    Unless required by applicable law or agreed to in writing, software
12    distributed under the License is distributed on an "AS IS" BASIS,
13    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14    See the License for the specific language governing permissions and
15    limitations under the License.
16
17  */
18 package org.apache.batik.dom.svg;
19
20 import org.apache.batik.util.SVGConstants;
21 import org.w3c.dom.svg.SVGAnimatedBoolean;
22
23 /**
24  * Provides support for the SVGExternalResourcesRequired interface.
25  *
26  * @author <a HREF="mailto:stephane@hillion.org">Stephane Hillion</a>
27  * @version $Id: SVGExternalResourcesRequiredSupport.java,v 1.7 2004/08/18 07:13:13 vhardy Exp $
28  */
29 public class SVGExternalResourcesRequiredSupport implements SVGConstants {
30
31     private final static String JavaDoc ATTR_NAME =
32         SVG_EXTERNAL_RESOURCES_REQUIRED_ATTRIBUTE;
33
34     /**
35      * To implement {@link
36      * org.w3c.dom.svg.SVGExternalResourcesRequired#getExternalResourcesRequired()}.
37      */
38     public static SVGAnimatedBoolean
39         getExternalResourcesRequired(AbstractElement elt) {
40         LiveAttributeValue lav;
41         lav = elt.getLiveAttributeValue(null, ATTR_NAME);
42         if (lav == null) {
43             lav = new SVGOMAnimatedBoolean(elt, null, ATTR_NAME,
44                                            elt.getAttributeNodeNS(null,
45                                                                   ATTR_NAME),
46                                            "false");
47             elt.putLiveAttributeValue(null, ATTR_NAME, lav);
48         }
49         return (SVGAnimatedBoolean)lav;
50     }
51 }
52
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