org.gradle.api.internalivyservice.resolveengine.result.ComponentSelectionReasonSerializer Maven / Gradle / Ivy
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/*
* Copyright 2013 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 org.gradle.api.artifacts.result.ComponentSelectionCause;
import org.gradle.api.artifacts.result.ComponentSelectionDescriptor;
import org.gradle.api.artifacts.result.ComponentSelectionReason;
import org.gradle.internal.Describables;
import org.gradle.internal.serialize.Decoder;
import org.gradle.internal.serialize.Encoder;
import org.gradle.internal.serialize.Serializer;
import javax.annotation.concurrent.NotThreadSafe;
import java.io.IOException;
import java.util.List;
@NotThreadSafe
public class ComponentSelectionReasonSerializer implements Serializer {
@Override
public ComponentSelectionReason read(Decoder decoder) throws IOException {
ComponentSelectionDescriptor[] descriptions = readDescriptions(decoder);
return ComponentSelectionReasons.of(descriptions);
}
private ComponentSelectionDescriptor[] readDescriptions(Decoder decoder) throws IOException {
int size = decoder.readSmallInt();
ComponentSelectionDescriptor[] descriptors = new ComponentSelectionDescriptor[size];
for (int i = 0; i < size; i++) {
ComponentSelectionCause cause = ComponentSelectionCause.values()[decoder.readByte()];
String desc = readDescriptionText(decoder);
String defaultReason = cause.getDefaultReason();
if (desc.equals(defaultReason)) {
descriptors[i] = new DefaultComponentSelectionDescriptor(cause);
} else {
descriptors[i] = new DefaultComponentSelectionDescriptor(cause, Describables.of(desc));
}
}
return descriptors;
}
private String readDescriptionText(Decoder decoder) throws IOException {
return decoder.readString();
}
@Override
public void write(Encoder encoder, ComponentSelectionReason value) throws IOException {
List descriptions = value.getDescriptions();
encoder.writeSmallInt(descriptions.size());
for (ComponentSelectionDescriptor description : descriptions) {
writeDescription(encoder, description);
}
}
private void writeDescription(Encoder encoder, ComponentSelectionDescriptor description) throws IOException {
encoder.writeByte((byte) description.getCause().ordinal());
writeDescriptionText(encoder, description.getDescription());
}
private void writeDescriptionText(Encoder encoder, String description) throws IOException {
encoder.writeString(description);
}
}