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
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
|
// Copyright 2016 The Bazel Authors. All rights reserved.
//
// Licensed 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.
package com.google.devtools.build.android.xml;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.Function;
import com.google.common.base.MoreObjects;
import com.google.common.collect.FluentIterable;
import com.google.common.collect.ImmutableList;
import com.google.devtools.build.android.AndroidDataWritingVisitor;
import com.google.devtools.build.android.FullyQualifiedName;
import com.google.devtools.build.android.XmlResourceValue;
import com.google.devtools.build.android.XmlResourceValues;
import java.nio.file.Path;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Objects;
import javax.annotation.Nullable;
import javax.annotation.concurrent.Immutable;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLEventReader;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.events.StartElement;
import javax.xml.stream.events.XMLEvent;
/**
* Represents an Android resource array.
*
* There are two flavors of Android Resource arrays:
* <ul>
* <li>Typed arrays (http://developer.android.com/guide/topics/resources/more-resources
* .html#TypedArray) which which are indicated by a <array> tag.</li>
* <li>Integer array (http://developer.android.com/guide/topics/resources/more-resources
* .html#IntegerArray) which are indicated by <integer-array> tag.</li>
* <li>String array (http://developer.android.com/guide/topics/resources/string-resource
* .html#StringArray) which are indicated by <string-array> tag.</li>
* </ul>
*
* Both of these are accessed by R.array.<name> in java.
*/
@Immutable
public class ArrayXmlResourceValue implements XmlResourceValue {
private static final QName TAG_INTEGER_ARRAY = QName.valueOf("integer-array");
private static final QName TAG_ARRAY = QName.valueOf("array");
private static final QName TAG_STRING_ARRAY = QName.valueOf("string-array");
private static final Function<String, String> ITEM_TO_XML =
new Function<String, String>() {
@Nullable
@Override
public String apply(@Nullable String item) {
return String.format("<item>%s</item>", item);
}
};
/**
* Enumerates the different types of array tags.
*/
public enum ArrayType {
INTEGER_ARRAY(TAG_INTEGER_ARRAY),
ARRAY(TAG_ARRAY),
STRING_ARRAY(TAG_STRING_ARRAY);
public QName tagName;
ArrayType(QName tagName) {
this.tagName = tagName;
}
public static ArrayType fromTagName(StartElement start) {
final QName tagQName = start.getName();
for (ArrayType arrayType : values()) {
if (arrayType.tagName.equals(tagQName)) {
return arrayType;
}
}
throw new IllegalArgumentException(
String.format("%s not found in %s", tagQName, Arrays.toString(values())));
}
String openTag(FullyQualifiedName key) {
return String.format("<%s name='%s'>", tagName.getLocalPart(), key.name());
}
String closeTag() {
return String.format("</%s>", tagName.getLocalPart());
}
}
private final ImmutableList<String> values;
private final ArrayType arrayType;
private ArrayXmlResourceValue(ArrayType arrayType, ImmutableList<String> values) {
this.arrayType = arrayType;
this.values = values;
}
@VisibleForTesting
public static XmlResourceValue of(ArrayType arrayType, String... values) {
return of(arrayType, Arrays.asList(values));
}
public static XmlResourceValue of(ArrayType arrayType, List<String> values) {
return new ArrayXmlResourceValue(arrayType, ImmutableList.copyOf(values));
}
@Override
public void write(
FullyQualifiedName key, Path source, AndroidDataWritingVisitor mergedDataWriter) {
mergedDataWriter.writeToValuesXml(
key,
FluentIterable.of(String.format("<!-- %s -->", source), arrayType.openTag(key))
.append(FluentIterable.from(values).transform(ITEM_TO_XML))
.append(arrayType.closeTag()));
}
@Override
public int hashCode() {
return Objects.hash(arrayType, values);
}
@Override
public boolean equals(Object obj) {
if (!(obj instanceof ArrayXmlResourceValue)) {
return false;
}
ArrayXmlResourceValue other = (ArrayXmlResourceValue) obj;
return Objects.equals(arrayType, other.arrayType) && Objects.equals(values, other.values);
}
@Override
public String toString() {
return MoreObjects.toStringHelper(getClass())
.add("arrayType", arrayType)
.add("values", values)
.toString();
}
public static XmlResourceValue parseArray(XMLEventReader eventReader, StartElement start)
throws XMLStreamException {
List<String> values = new ArrayList<>();
for (XMLEvent element = eventReader.nextTag();
!XmlResourceValues.isEndTag(element, start.getName());
element = eventReader.nextTag()) {
if (XmlResourceValues.isItem(element)) {
values.add(eventReader.getElementText());
}
}
return of(ArrayType.fromTagName(start), values);
}
}
|
