private ModuleComponentIdentifier chooseBestMatchingDependency(
ModuleVersionListing versions, ModuleVersionSelector requested) {
for (Versioned candidate : sortLatestFirst(versions)) {
// Apply version selection rules
ModuleComponentIdentifier candidateIdentifier =
DefaultModuleComponentIdentifier.newId(
requested.getGroup(), requested.getName(), candidate.getVersion());
ModuleComponentSelector requestedComponentSelector =
DefaultModuleComponentSelector.newSelector(requested);
VersionSelectionInternal selection =
new DefaultVersionSelection(requestedComponentSelector, candidateIdentifier);
versionSelectionRules.apply(selection);
switch (selection.getState()) {
case ACCEPTED:
return candidateIdentifier;
case REJECTED:
continue;
default:
break;
}
// Invoke version matcher
if (versionMatcher.accept(requested.getVersion(), candidate.getVersion())) {
return candidateIdentifier;
}
}
return null;
}
private MutableModuleVersionMetaData resolveComponentMetaData(
DependencyMetaData dependency,
Versioned candidate,
ModuleComponentRepositoryAccess moduleAccess) {
ModuleVersionSelector selector = dependency.getRequested();
ModuleComponentIdentifier candidateId =
DefaultModuleComponentIdentifier.newId(
selector.getGroup(), selector.getName(), candidate.getVersion());
DependencyMetaData moduleVersionDependency =
dependency.withRequestedVersion(candidate.getVersion());
BuildableModuleVersionMetaDataResolveResult descriptorResult =
new DefaultBuildableModuleVersionMetaDataResolveResult();
moduleAccess.resolveComponentMetaData(moduleVersionDependency, candidateId, descriptorResult);
return descriptorResult.getMetaData();
}