org.gradle.api.internalivyservice.resolveengine.result.ResolvedVariantResultSerializer Maven / Gradle / Ivy
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/*
* Copyright 2019 the original author or authors.
*
* 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 org.gradle.api.internal.artifacts.ivyservice.resolveengine.result;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
import org.gradle.api.artifacts.result.ResolvedVariantResult;
import org.gradle.api.attributes.AttributeContainer;
import org.gradle.api.capabilities.Capability;
import org.gradle.api.internal.artifacts.result.DefaultResolvedVariantResult;
import org.gradle.internal.Describables;
import org.gradle.internal.component.external.model.ImmutableCapability;
import org.gradle.internal.serialize.Decoder;
import org.gradle.internal.serialize.Encoder;
import org.gradle.internal.serialize.Serializer;
import java.io.IOException;
import java.util.List;
import java.util.Map;
class ResolvedVariantResultSerializer implements Serializer {
private final Map written = Maps.newHashMap();
private final List read = Lists.newArrayList();
private final AttributeContainerSerializer attributeContainerSerializer;
ResolvedVariantResultSerializer(AttributeContainerSerializer attributeContainerSerializer) {
this.attributeContainerSerializer = attributeContainerSerializer;
}
@Override
public ResolvedVariantResult read(Decoder decoder) throws IOException {
int index = decoder.readSmallInt();
if (index == -1) {
return null;
}
if (index == read.size()) {
String variantName = decoder.readString();
AttributeContainer attributes = attributeContainerSerializer.read(decoder);
List capabilities = readCapabilities(decoder);
DefaultResolvedVariantResult result = new DefaultResolvedVariantResult(Describables.of(variantName), attributes, capabilities);
read.add(result);
return result;
}
return read.get(index);
}
private List readCapabilities(Decoder decoder) throws IOException {
int size = decoder.readSmallInt();
if (size == 0) {
return ImmutableList.of();
}
ImmutableList.Builder capabilities = ImmutableList.builderWithExpectedSize(size);
for (int i = 0; i < size; i++) {
String group = decoder.readString();
String name = decoder.readString();
String version = decoder.readNullableString();
capabilities.add(new ImmutableCapability(group, name, version));
}
return capabilities.build();
}
@Override
public void write(Encoder encoder, ResolvedVariantResult variant) throws IOException {
if (variant == null) {
encoder.writeSmallInt(-1);
return;
}
Integer index = written.get(variant);
if (index == null) {
index = written.size();
written.put(variant, index);
encoder.writeSmallInt(index);
encoder.writeString(variant.getDisplayName());
attributeContainerSerializer.write(encoder, variant.getAttributes());
writeCapabilities(encoder, variant.getCapabilities());
} else {
encoder.writeSmallInt(index);
}
}
private void writeCapabilities(Encoder encoder, List capabilities) throws IOException {
encoder.writeSmallInt(capabilities.size());
for (Capability capability : capabilities) {
encoder.writeString(capability.getGroup());
encoder.writeString(capability.getName());
encoder.writeNullableString(capability.getVersion());
}
}
void reset() {
written.clear();
read.clear();
}
}