org.gradle.api.internalivyservice.resolveengine.graph.conflicts.LastCandidateCapabilityResolver Maven / Gradle / Ivy
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Gradle 5.5.1 API redistribution.
/*
* Copyright 2018 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.graph.conflicts;
import org.gradle.api.capabilities.Capability;
import java.util.Collection;
/**
* A resolver which will select a candidate when it's the last one available.
*/
public class LastCandidateCapabilityResolver implements CapabilitiesConflictHandler.Resolver {
@Override
public void resolve(CapabilitiesConflictHandler.ResolutionDetails details) {
Collection capabilityVersions = details.getCapabilityVersions();
CapabilitiesConflictHandler.CandidateDetails single = null;
for (Capability capabilityVersion : capabilityVersions) {
Collection candidates = details.getCandidates(capabilityVersion);
int size = candidates.size();
if (size >= 1) {
if (size == 1 && single == null) {
single = candidates.iterator().next();
} else {
// not a single candidate
return;
}
}
}
if (single != null) {
single.select();
}
}
}