private ProjectVersionRefLocation resolveLatestMultiRefWithLocation(
final List<? extends Location> locations,
final ProjectVersionRef ref,
final VersionSelectionStrategy selectionStrategy,
final EventMetadata eventMetadata)
throws TransferException {
final Map<SingleVersion, Location> available = new TreeMap<SingleVersion, Location>();
for (final Location location : locations) {
try {
final MavenMetadataView metadata =
metadataReader.getMetadata(
ref.asProjectRef(), Collections.singletonList(location), eventMetadata);
if (metadata != null) {
final List<String> versions =
metadata.resolveValues("/metadata/versioning/versions/version");
if (versions != null) {
for (final String version : versions) {
try {
final SingleVersion spec = VersionUtils.createSingleVersion(version);
if (!available.containsKey(spec)) {
available.put(spec, location);
}
} catch (final InvalidVersionSpecificationException e) {
debug(
"Unparsable version spec found in metadata: '%s' for: %s from: %s.",
e, version, ref, location);
}
}
}
}
} catch (final GalleyMavenException e) {
debug(
"Failed to resolve/parse metadata for variable version of: '%s' from: %s.",
e, ref, location);
}
}
if (!available.isEmpty()) {
final VersionSpec spec = ref.getVersionSpec();
final List<SingleVersion> versions = new ArrayList<SingleVersion>(available.keySet());
Collections.sort(versions);
while (!versions.isEmpty()) {
final SingleVersion selected = selectionStrategy.select(versions);
if (selected == null) {
return null;
}
versions.remove(selected);
if (selected.isConcrete() && spec.contains(selected)) {
return new ProjectVersionRefLocation(
ref.selectVersion(selected), available.get(selected));
}
}
}
return null;
}
@Test
public void run() throws Exception {
final URI source = sourceURI();
final ProjectVersionRef root = projectVersion("group.id", "my-project", "1.0");
final ProjectVersionRef d1 = projectVersion("other.group", "dep-L1", "1.0.1");
final ProjectVersionRef d2 = projectVersion("foo", "dep-L2", "1.1.1");
final ProjectVersionRef d3 = projectVersion("foo", "dep-L2", "1.1.2");
RelationshipGraph graph = simpleGraph(root);
/* @formatter:off */
graph.storeRelationships(
new SimpleParentRelationship(source, root),
new SimpleDependencyRelationship(
source, root, d1.asJarArtifact(), compile, 0, false, false, false),
new SimpleDependencyRelationship(
source, d1, d2.asJarArtifact(), compile, 0, false, false, false));
/* @formatter:on */
graph =
graphFactory()
.open(
new ViewParams.Builder(graph.getParams())
.withSelection(d2.asProjectRef(), d3)
.build(),
false);
// graph.getView()
// .selectVersion( d2.asProjectRef(), d3 );
final TransitiveDependencyTraversal depTraversal = new TransitiveDependencyTraversal();
graph.traverse(depTraversal);
final List<ArtifactRef> artifacts = depTraversal.getArtifacts();
assertThat(artifacts.size(), equalTo(2));
int idx = 0;
ArtifactRef ref = artifacts.get(idx++);
assertThat(ref.getArtifactId(), equalTo("dep-L1"));
ref = artifacts.get(idx++);
assertThat(ref.getArtifactId(), equalTo("dep-L2"));
assertThat(ref.getVersionString(), equalTo(d3.getVersionString()));
}