1 /*
2
3 Licensed to the Apache Software Foundation (ASF) under one or more
4 contributor license agreements. See the NOTICE file distributed with
5 this work for additional information regarding copyright ownership.
6 The ASF licenses this file to You under the Apache License, Version 2.0
7 (the "License"); you may not use this file except in compliance with
8 the License. You may obtain a copy of the License at
9
10 http://www.apache.org/licenses/LICENSE-2.0
11
12 Unless required by applicable law or agreed to in writing, software
13 distributed under the License is distributed on an "AS IS" BASIS,
14 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 See the License for the specific language governing permissions and
16 limitations under the License.
17
18 */
19 package org.apache.batik.css.engine.value.svg;
20
21 import org.apache.batik.css.engine.CSSEngine;
22 import org.apache.batik.css.engine.value.AbstractValueManager;
23 import org.apache.batik.css.engine.value.URIValue;
24 import org.apache.batik.css.engine.value.Value;
25 import org.apache.batik.css.engine.value.ValueManager;
26 import org.apache.batik.util.CSSConstants;
27 import org.apache.batik.util.SVGTypes;
28 import org.w3c.css.sac.LexicalUnit;
29 import org.w3c.dom.DOMException;
30 import org.w3c.dom.css.CSSPrimitiveValue;
31
32
33 /**
34 * This class provides a factory for the 'filter' property values.
35 *
36 * @author <a href="mailto:stephane@hillion.org">Stephane Hillion</a>
37 * @version $Id: FilterManager.java 1733416 2016-03-03 07:07:13Z gadams $
38 */
39 public class FilterManager extends AbstractValueManager {
40
41 /**
42 * Implements {@link ValueManager#isInheritedProperty()}.
43 */
44 public boolean isInheritedProperty() {
45 return false;
46 }
47
48 /**
49 * Implements {@link ValueManager#getPropertyName()}.
50 */
51 public String getPropertyName() {
52 return CSSConstants.CSS_FILTER_PROPERTY;
53 }
54
55 /**
56 * Implements {@link ValueManager#isAnimatableProperty()}.
57 */
58 public boolean isAnimatableProperty() {
59 return true;
60 }
61
62 /**
63 * Implements {@link ValueManager#isAdditiveProperty()}.
64 */
65 public boolean isAdditiveProperty() {
66 return false;
67 }
68
69 /**
70 * Implements {@link ValueManager#getPropertyType()}.
71 */
72 public int getPropertyType() {
73 return SVGTypes.TYPE_URI_OR_IDENT;
74 }
75
76 /**
77 * Implements {@link ValueManager#getDefaultValue()}.
78 */
79 public Value getDefaultValue() {
80 return SVGValueConstants.NONE_VALUE;
81 }
82
83 /**
84 * Implements {@link ValueManager#createValue(LexicalUnit,CSSEngine)}.
85 */
86 public Value createValue(LexicalUnit lu, CSSEngine engine)
87 throws DOMException {
88 switch (lu.getLexicalUnitType()) {
89 case LexicalUnit.SAC_INHERIT:
90 return SVGValueConstants.INHERIT_VALUE;
91
92 case LexicalUnit.SAC_URI:
93 return new URIValue(lu.getStringValue(),
94 resolveURI(engine.getCSSBaseURI(),
95 lu.getStringValue()));
96
97 case LexicalUnit.SAC_IDENT:
98 if (lu.getStringValue().equalsIgnoreCase
99 (CSSConstants.CSS_NONE_VALUE)) {
100 return SVGValueConstants.NONE_VALUE;
101 }
102 throw createInvalidIdentifierDOMException(lu.getStringValue());
103 }
104 throw createInvalidLexicalUnitDOMException(lu.getLexicalUnitType());
105 }
106
107 /**
108 * Implements {@link
109 * ValueManager#createStringValue(short,String,CSSEngine)}.
110 */
111 public Value createStringValue(short type, String value, CSSEngine engine)
112 throws DOMException {
113 if (type == CSSPrimitiveValue.CSS_IDENT) {
114 if (value.equalsIgnoreCase(CSSConstants.CSS_NONE_VALUE)) {
115 return SVGValueConstants.NONE_VALUE;
116 }
117 throw createInvalidIdentifierDOMException(value);
118 }
119 if (type == CSSPrimitiveValue.CSS_URI) {
120 return new URIValue(value,
121 resolveURI(engine.getCSSBaseURI(), value));
122 }
123 throw createInvalidStringTypeDOMException(type);
124 }
125 }
126