1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
|
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* $Id$ */
package org.apache.fop.fo.properties;
import org.apache.fop.fo.FObj;
import org.apache.fop.fo.PropertyList;
import org.apache.fop.fo.expr.PropertyException;
import org.apache.fop.util.CompareUtil;
/**
* Superclass for properties that wrap an enumeration value
*/
public final class EnumProperty extends Property {
/** cache holding all canonical EnumProperty instances */
private static final PropertyCache<EnumProperty> CACHE
= new PropertyCache<EnumProperty>();
/**
* Inner class for creating EnumProperty instances
*/
public static class Maker extends PropertyMaker {
/**
* @param propId the id of the property for which a Maker should be created
*/
public Maker(int propId) {
super(propId);
}
/**
* Called by subclass if no match found.
* @param value string containing the value to be checked
* @return null (indicates that an appropriate match was not found)
*/
public Property checkEnumValues(String value) {
//log.error("Unknown enumerated value for property '"
// + getPropName() + "': " + value);
return super.checkEnumValues(value);
}
/**
* Convert a property.
* @param p the property to convert
* @param propertyList the property list to use in conversion
* @param fo the FO to use in conversion
* @return the converted property
* @throws PropertyException if a property conversion exception occurs
*/
public Property convertProperty(Property p,
PropertyList propertyList,
FObj fo) throws PropertyException {
if (p instanceof EnumProperty) {
return p;
} else {
return super.convertProperty(p, propertyList, fo);
}
}
}
private final int value;
private final String text;
/**
* @param explicitValue enumerated value to be set for this property
* @param text the string value of the enum.
*/
private EnumProperty(int explicitValue, String text) {
this.value = explicitValue;
this.text = text;
}
/**
* Construct an enumeration property.
* @param explicitValue the value
* @param text the text
* @return an enumeration property
*/
public static EnumProperty getInstance(int explicitValue, String text) {
return CACHE.fetch(new EnumProperty(explicitValue, text));
}
/**
* @return this.value
*/
public int getEnum() {
return this.value;
}
/**
* @return this.value cast as an Object
*/
public Object getObject() {
return text;
}
@Override
public boolean equals(Object obj) {
if (obj instanceof EnumProperty) {
EnumProperty ep = (EnumProperty)obj;
return this.value == ep.value
&& CompareUtil.equal(text, ep.text);
} else {
return false;
}
}
@Override
public int hashCode() {
return value + text.hashCode();
}
}
|
