/*
* 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.component.ComponentSelector;
import org.gradle.api.artifacts.result.ComponentSelectionReason;
import org.gradle.api.internal.artifacts.ivyservice.resolveengine.graph.DependencyGraphEdge;
import org.gradle.api.internal.artifacts.ivyservice.resolveengine.graph.DependencyResult;
import org.gradle.internal.resolve.ModuleVersionResolveException;
import org.gradle.internal.serialize.Decoder;
import org.gradle.internal.serialize.Encoder;
import java.io.IOException;
import java.util.Map;
public class DependencyResultSerializer {
private final static byte SUCCESSFUL = 0;
private final static byte FAILED = 1;
private final ComponentSelectionReasonSerializer componentSelectionReasonSerializer = new ComponentSelectionReasonSerializer();
public DependencyResult read(Decoder decoder, Map<Long, ComponentSelector> selectors, Map<ComponentSelector, ModuleVersionResolveException> failures) throws IOException {
Long selectorId = decoder.readSmallLong();
ComponentSelector requested = selectors.get(selectorId);
byte resultByte = decoder.readByte();
if (resultByte == SUCCESSFUL) {
Long selectedId = decoder.readSmallLong();
return new DefaultDependencyResult(requested, selectedId, null, null);
} else if (resultByte == FAILED) {
ComponentSelectionReason reason = componentSelectionReasonSerializer.read(decoder);
ModuleVersionResolveException failure = failures.get(requested);
return new DefaultDependencyResult(requested, null, reason, failure);
} else {
throw new IllegalArgumentException("Unknown result type: " + resultByte);
}
}
public void write(Encoder encoder, DependencyGraphEdge value) throws IOException {
encoder.writeSmallLong(value.getSelector().getResultId());
if (value.getFailure() == null) {
encoder.writeByte(SUCCESSFUL);
encoder.writeSmallLong(value.getSelected());
} else {
encoder.writeByte(FAILED);
componentSelectionReasonSerializer.write(encoder, value.getReason());
}
}
}