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Java > Open Source Codes > com > steadystate > css > dom > CSSFontFaceRuleImpl


1 /*
2  * CSSFontFaceRuleImpl.java
3  *
4  * Steady State CSS2 Parser
5  *
6  * Copyright (C) 1999, 2002 Steady State Software Ltd. All rights reserved.
7  *
8  * This library is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU Lesser General Public
10  * License as published by the Free Software Foundation; either
11  * version 2 of the License, or (at your option) any later version.
12  *
13  * This library is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16  * Lesser General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public
19  * License along with this library; if not, write to the Free Software
20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21  *
22  * To contact the authors of the library, write to Steady State Software Ltd.,
23  * 49 Littleworth, Wing, Buckinghamshire, LU7 0JX, England
24  *
25  * http://www.steadystate.com/css/
26  * mailto:css@steadystate.co.uk
27  *
28  * $Id: CSSFontFaceRuleImpl.java,v 1.1.1.1 2003/12/28 21:22:47 davidsch Exp $
29  */
30
31 package com.steadystate.css.dom;
32
33 import java.io.IOException JavaDoc;
34 import java.io.Serializable JavaDoc;
35 import java.io.StringReader JavaDoc;
36 import org.w3c.dom.*;
37 import org.w3c.dom.css.*;
38 import org.w3c.css.sac.*;
39 import com.steadystate.css.parser.*;
40
41 public class CSSFontFaceRuleImpl implements CSSFontFaceRule, Serializable JavaDoc {
42
43     private CSSStyleSheetImpl _parentStyleSheet = null;
44     private CSSRule _parentRule = null;
45     private CSSStyleDeclarationImpl _style = null;
46
47     public CSSFontFaceRuleImpl(CSSStyleSheetImpl parentStyleSheet, CSSRule parentRule) {
48         _parentStyleSheet = parentStyleSheet;
49         _parentRule = parentRule;
50     }
51
52     public short getType() {
53         return FONT_FACE_RULE;
54     }
55
56     public String JavaDoc getCssText() {
57         return "@font-face " + getStyle().getCssText();
58     }
59
60     public void setCssText(String JavaDoc cssText) throws DOMException {
61         if (_parentStyleSheet != null && _parentStyleSheet.isReadOnly()) {
62             throw new DOMExceptionImpl(
63                 DOMException.NO_MODIFICATION_ALLOWED_ERR,
64                 DOMExceptionImpl.READ_ONLY_STYLE_SHEET);
65         }
66
67         try {
68             InputSource is = new InputSource(new StringReader JavaDoc(cssText));
69             CSSOMParser parser = new CSSOMParser();
70             CSSRule r = parser.parseRule(is);
71
72             // The rule must be a font face rule
73 if (r.getType() == CSSRule.FONT_FACE_RULE) {
74                 _style = ((CSSFontFaceRuleImpl)r)._style;
75             } else {
76                 throw new DOMExceptionImpl(
77                     DOMException.INVALID_MODIFICATION_ERR,
78                     DOMExceptionImpl.EXPECTING_FONT_FACE_RULE);
79             }
80         } catch (CSSException e) {
81             throw new DOMExceptionImpl(
82                 DOMException.SYNTAX_ERR,
83                 DOMExceptionImpl.SYNTAX_ERROR,
84                 e.getMessage());
85         } catch (IOException JavaDoc e) {
86             throw new DOMExceptionImpl(
87                 DOMException.SYNTAX_ERR,
88                 DOMExceptionImpl.SYNTAX_ERROR,
89                 e.getMessage());
90         }
91     }
92
93     public CSSStyleSheet getParentStyleSheet() {
94         return _parentStyleSheet;
95     }
96
97     public CSSRule getParentRule() {
98         return _parentRule;
99     }
100
101     public CSSStyleDeclaration getStyle() {
102         return _style;
103     }
104
105     public void setStyle(CSSStyleDeclarationImpl style) {
106         _style = style;
107     }
108 }
109
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