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1
30
31 package com.steadystate.css.dom;
32
33 import java.io.IOException  ;
34 import java.io.Serializable ;
35 import java.io.StringReader ;
36 import org.w3c.dom.*;
37 import org.w3c.dom.stylesheets.*;
38 import org.w3c.dom.css.*;
39 import org.w3c.css.sac.*;
40 import com.steadystate.css.parser.*;
41
42
49 public class CSSImportRuleImpl implements CSSImportRule, Serializable {
50
51 CSSStyleSheetImpl _parentStyleSheet = null;
52 CSSRule _parentRule = null;
53 String _href = null;
54 MediaList _media = null;
55
56 public CSSImportRuleImpl(
57 CSSStyleSheetImpl parentStyleSheet,
58 CSSRule parentRule,
59 String href,
60 MediaList media) {
61 _parentStyleSheet = parentStyleSheet;
62 _parentRule = parentRule;
63 _href = href;
64 _media = media;
65 }
66
67 public short getType() {
68 return IMPORT_RULE;
69 }
70
71 public String getCssText() {
72 StringBuffer sb = new StringBuffer ();
73 sb.append("@import url(")
74 .append(getHref())
75 .append(")");
76 if (getMedia().getLength() > 0) {
77 sb.append(" ").append(getMedia().toString());
78 }
79 sb.append(";");
80 return sb.toString();
81 }
82
83 public void setCssText(String cssText) throws DOMException {
84 if (_parentStyleSheet != null && _parentStyleSheet.isReadOnly()) {
85 throw new DOMExceptionImpl(
86 DOMException.NO_MODIFICATION_ALLOWED_ERR,
87 DOMExceptionImpl.READ_ONLY_STYLE_SHEET);
88 }
89
90 try {
91 InputSource is = new InputSource(new StringReader (cssText));
92 CSSOMParser parser = new CSSOMParser();
93 CSSRule r = parser.parseRule(is);
94
95 if (r.getType() == CSSRule.IMPORT_RULE) {
97 _href = ((CSSImportRuleImpl)r)._href;
98 _media = ((CSSImportRuleImpl)r)._media;
99 } else {
100 throw new DOMExceptionImpl(
101 DOMException.INVALID_MODIFICATION_ERR,
102 DOMExceptionImpl.EXPECTING_IMPORT_RULE);
103 }
104 } catch (CSSException e) {
105 throw new DOMExceptionImpl(
106 DOMException.SYNTAX_ERR,
107 DOMExceptionImpl.SYNTAX_ERROR,
108 e.getMessage());
109 } catch (IOException e) {
110 throw new DOMExceptionImpl(
111 DOMException.SYNTAX_ERR,
112 DOMExceptionImpl.SYNTAX_ERROR,
113 e.getMessage());
114 }
115 }
116
117 public CSSStyleSheet getParentStyleSheet() {
118 return _parentStyleSheet;
119 }
120
121 public CSSRule getParentRule() {
122 return _parentRule;
123 }
124
125 public String getHref() {
126 return _href;
127 }
128
129 public MediaList getMedia() {
130 return _media;
131 }
132
133 public CSSStyleSheet getStyleSheet() {
134 return null;
135 }
136
137 public String toString() {
138 return getCssText();
139 }
140 }
141 |
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