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// 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.base.MoreObjects;
import com.google.common.collect.ImmutableMap;
import com.google.devtools.build.android.AndroidDataWritingVisitor;
import com.google.devtools.build.android.AndroidDataWritingVisitor.ValuesResourceDefinition;
import com.google.devtools.build.android.AndroidResourceClassWriter;
import com.google.devtools.build.android.FullyQualifiedName;
import com.google.devtools.build.android.XmlResourceValue;
import com.google.devtools.build.android.XmlResourceValues;
import com.google.devtools.build.android.proto.SerializeFormat;
import com.google.devtools.build.android.proto.SerializeFormat.DataValueXml.XmlType;
import com.google.protobuf.CodedOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.nio.file.Path;
import java.util.Map.Entry;
import java.util.Objects;
import javax.annotation.concurrent.Immutable;
import javax.xml.namespace.QName;
/**
* Represents an Android Plural Resource.
*
* <p>
* Plurals are a localization construct (http://developer.android.com/guide/topics/resources/
* string-resource.html#Plurals) that are basically a map of key to value. They are defined in xml
* as: <code>
* <plurals name="plural_name">
* <item quantity=["zero" | "one" | "two" | "few" | "many" | "other"]>
* text_string
* </item>
* </plurals>
* </code>
*/
@Immutable
public class PluralXmlResourceValue implements XmlResourceValue {
private static final QName PLURALS = QName.valueOf("plurals");
private final ImmutableMap<String, String> values;
private final ImmutableMap<String, String> attributes;
private PluralXmlResourceValue(
ImmutableMap<String, String> attributes, ImmutableMap<String, String> values) {
this.attributes = attributes;
this.values = values;
}
public static XmlResourceValue createWithoutAttributes(ImmutableMap<String, String> values) {
return createWithAttributesAndValues(ImmutableMap.<String, String>of(), values);
}
public static XmlResourceValue createWithAttributesAndValues(
ImmutableMap<String, String> attributes, ImmutableMap<String, String> values) {
return new PluralXmlResourceValue(attributes, values);
}
@Override
public void write(
FullyQualifiedName key, Path source, AndroidDataWritingVisitor mergedDataWriter) {
ValuesResourceDefinition definition =
mergedDataWriter
.define(key)
.derivedFrom(source)
.startTag(PLURALS)
.named(key)
.addAttributesFrom(attributes.entrySet())
.closeTag();
for (Entry<String, String> plural : values.entrySet()) {
definition =
definition
.startItemTag()
.attribute("quantity")
.setTo(plural.getKey())
.closeTag()
.addCharactersOf(plural.getValue())
.endTag()
.addCharactersOf("\n");
}
definition.endTag().save();
}
@Override
public void writeResourceToClass(FullyQualifiedName key,
AndroidResourceClassWriter resourceClassWriter) {
resourceClassWriter.writeSimpleResource(key.type(), key.name());
}
@Override
public int hashCode() {
return Objects.hash(attributes, values);
}
@Override
public boolean equals(Object obj) {
if (!(obj instanceof PluralXmlResourceValue)) {
return false;
}
PluralXmlResourceValue other = (PluralXmlResourceValue) obj;
return Objects.equals(values, other.values) && Objects.equals(attributes, other.attributes);
}
@Override
public String toString() {
return MoreObjects.toStringHelper(getClass())
.add("values", values)
.add("attributes", attributes)
.toString();
}
@SuppressWarnings("deprecation")
public static XmlResourceValue from(SerializeFormat.DataValueXml proto) {
return createWithAttributesAndValues(
ImmutableMap.copyOf(proto.getAttribute()),
ImmutableMap.copyOf(proto.getMappedStringValue()));
}
@Override
public int serializeTo(Path source, Namespaces namespaces, OutputStream output)
throws IOException {
SerializeFormat.DataValue.Builder builder =
XmlResourceValues.newSerializableDataValueBuilder(source);
SerializeFormat.DataValue value =
builder
.setXmlValue(
builder
.getXmlValueBuilder()
.setType(XmlType.PLURAL)
.putAllNamespace(namespaces.asMap())
.putAllAttribute(attributes)
.putAllMappedStringValue(values))
.build();
value.writeDelimitedTo(output);
return CodedOutputStream.computeUInt32SizeNoTag(value.getSerializedSize())
+ value.getSerializedSize();
}
@Override
public XmlResourceValue combineWith(XmlResourceValue value) {
throw new IllegalArgumentException(this + " is not a combinable resource.");
}
}
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