[MRESOLVER-645] Remove repeated LRM interaction (#611)

Pull in repeated snippets under LRM.

---

https://issues.apache.org/jira/browse/MRESOLVER-645

maven-resolver-api/src/main/java/org/eclipse/aether/repository/LocalRepositoryManager.java

@@ -18,6 +18,8 @@
  */
 package org.eclipse.aether.repository;
 
+import java.nio.file.Path;
+
 import org.eclipse.aether.RepositorySystemSession;
 import org.eclipse.aether.artifact.Artifact;
 import org.eclipse.aether.metadata.Metadata;
@@ -37,16 +39,44 @@ public interface LocalRepositoryManager {
      */
     LocalRepository getRepository();
 
+    /**
+     * Gets the absolute path for a locally installed artifact. Note that the artifact need not actually exist yet at
+     * the returned location, the path merely indicates where the artifact would eventually be stored.
+     *
+     * @param artifact The artifact for which to determine the path, must not be {@code null}.
+     * @return The path, relative to the local repository's base directory.
+     * @since 2.0.5
+     */
+    default Path getAbsolutePathForLocalArtifact(Artifact artifact) {
+        return getRepository().getBasePath().resolve(getPathForLocalArtifact(artifact));
+    }
+
     /**
      * Gets the relative path for a locally installed artifact. Note that the artifact need not actually exist yet at
      * the returned location, the path merely indicates where the artifact would eventually be stored. The path uses the
      * forward slash as directory separator regardless of the underlying file system.
      *
      * @param artifact The artifact for which to determine the path, must not be {@code null}.
      * @return The path, relative to the local repository's base directory.
+     * @deprecated See {@link #getAbsolutePathForLocalArtifact(Artifact)}
      */
+    @Deprecated
     String getPathForLocalArtifact(Artifact artifact);
 
+    /**
+     * Gets the absolute path for an artifact cached from a remote repository. Note that the artifact need not actually
+     * exist yet at the returned location, the path merely indicates where the artifact would eventually be stored.
+     *
+     * @param artifact The artifact for which to determine the path, must not be {@code null}.
+     * @param repository The source repository of the artifact, must not be {@code null}.
+     * @param context The resolution context in which the artifact is being requested, may be {@code null}.
+     * @return The path, relative to the local repository's base directory.
+     * @since 2.0.5
+     */
+    default Path getAbsolutePathForRemoteArtifact(Artifact artifact, RemoteRepository repository, String context) {
+        return getRepository().getBasePath().resolve(getPathForRemoteArtifact(artifact, repository, context));
+    }
+
     /**
      * Gets the relative path for an artifact cached from a remote repository. Note that the artifact need not actually
      * exist yet at the returned location, the path merely indicates where the artifact would eventually be stored. The
@@ -56,19 +86,49 @@ public interface LocalRepositoryManager {
      * @param repository The source repository of the artifact, must not be {@code null}.
      * @param context The resolution context in which the artifact is being requested, may be {@code null}.
      * @return The path, relative to the local repository's base directory.
+     * @deprecated See {@link #getAbsolutePathForRemoteArtifact(Artifact, RemoteRepository, String)}
      */
+    @Deprecated
     String getPathForRemoteArtifact(Artifact artifact, RemoteRepository repository, String context);
 
+    /**
+     * Gets the absolute path for locally installed metadata. Note that the metadata need not actually exist yet at the
+     * returned location, the path merely indicates where the metadata would eventually be stored.
+     *
+     * @param metadata The metadata for which to determine the path, must not be {@code null}.
+     * @return The path, relative to the local repository's base directory.
+     * @since 2.0.5
+     */
+    default Path getAbsolutePathForLocalMetadata(Metadata metadata) {
+        return getRepository().getBasePath().resolve(getPathForLocalMetadata(metadata));
+    }
+
     /**
      * Gets the relative path for locally installed metadata. Note that the metadata need not actually exist yet at the
      * returned location, the path merely indicates where the metadata would eventually be stored. The path uses the
      * forward slash as directory separator regardless of the underlying file system.
      *
      * @param metadata The metadata for which to determine the path, must not be {@code null}.
      * @return The path, relative to the local repository's base directory.
+     * @deprecated See {@link #getAbsolutePathForLocalMetadata(Metadata)}
      */
+    @Deprecated
     String getPathForLocalMetadata(Metadata metadata);
 
+    /**
+     * Gets the absolute path for metadata cached from a remote repository. Note that the metadata need not actually
+     * exist yet at the returned location, the path merely indicates where the metadata would eventually be stored.
+     *
+     * @param metadata The metadata for which to determine the path, must not be {@code null}.
+     * @param repository The source repository of the metadata, must not be {@code null}.
+     * @param context The resolution context in which the metadata is being requested, may be {@code null}.
+     * @return The path, relative to the local repository's base directory.
+     * @since 2.0.5
+     */
+    default Path getAbsolutePathForRemoteMetadata(Metadata metadata, RemoteRepository repository, String context) {
+        return getRepository().getBasePath().resolve(getPathForRemoteMetadata(metadata, repository, context));
+    }
+
     /**
      * Gets the relative path for metadata cached from a remote repository. Note that the metadata need not actually
      * exist yet at the returned location, the path merely indicates where the metadata would eventually be stored. The
@@ -78,7 +138,9 @@ public interface LocalRepositoryManager {
      * @param repository The source repository of the metadata, must not be {@code null}.
      * @param context The resolution context in which the metadata is being requested, may be {@code null}.
      * @return The path, relative to the local repository's base directory.
+     * @deprecated See {@link #getAbsolutePathForRemoteMetadata(Metadata, RemoteRepository, String)}
      */
+    @Deprecated
     String getPathForRemoteMetadata(Metadata metadata, RemoteRepository repository, String context);
 
     /**

maven-resolver-impl/src/main/java/org/eclipse/aether/internal/impl/DefaultArtifactResolver.java

@@ -519,9 +519,8 @@ private List<ArtifactDownload> gatherDownloads(RepositorySystemSession session,
                 download.setPath(item.local.getPath());
                 download.setExistenceCheck(true);
             } else {
-                String path =
-                        lrm.getPathForRemoteArtifact(artifact, group.repository, item.request.getRequestContext());
-                download.setPath(lrm.getRepository().getBasePath().resolve(path));
+                download.setPath(lrm.getAbsolutePathForRemoteArtifact(
+                        artifact, group.repository, item.request.getRequestContext()));
             }
 
             boolean snapshot = artifact.isSnapshot();

maven-resolver-impl/src/main/java/org/eclipse/aether/internal/impl/DefaultDeployer.java

@@ -285,9 +285,7 @@ private void upload(
             EventCatapult catapult)
             throws DeploymentException {
         LocalRepositoryManager lrm = session.getLocalRepositoryManager();
-        Path basePath = lrm.getRepository().getBasePath();
-
-        Path dstPath = basePath.resolve(lrm.getPathForRemoteMetadata(metadata, repository, ""));
+        Path dstPath = lrm.getAbsolutePathForRemoteMetadata(metadata, repository, "");
 
         if (metadata instanceof MergeableMetadata) {
             if (!((MergeableMetadata) metadata).isMerged()) {

maven-resolver-impl/src/main/java/org/eclipse/aether/internal/impl/DefaultInstaller.java

@@ -195,7 +195,7 @@ private void install(RepositorySystemSession session, RequestTrace trace, Artifa
             throws InstallationException {
         final LocalRepositoryManager lrm = session.getLocalRepositoryManager();
         final Path srcPath = artifact.getPath();
-        final Path dstPath = lrm.getRepository().getBasePath().resolve(lrm.getPathForLocalArtifact(artifact));
+        final Path dstPath = lrm.getAbsolutePathForLocalArtifact(artifact);
 
         artifactInstalling(session, trace, artifact, dstPath);
 
@@ -219,7 +219,7 @@ private void install(RepositorySystemSession session, RequestTrace trace, Metada
             throws InstallationException {
         LocalRepositoryManager lrm = session.getLocalRepositoryManager();
 
-        Path dstPath = lrm.getRepository().getBasePath().resolve(lrm.getPathForLocalMetadata(metadata));
+        Path dstPath = lrm.getAbsolutePathForLocalMetadata(metadata);
 
         metadataInstalling(session, trace, metadata, dstPath);
 

maven-resolver-impl/src/main/java/org/eclipse/aether/internal/impl/DefaultMetadataResolver.java

@@ -257,10 +257,8 @@ private List<MetadataResult> resolve(
                         check.setItem(metadata);
 
                         // use 'main' installation file for the check (-> use requested repository)
-                        Path checkPath = session.getLocalRepository()
-                                .getBasePath()
-                                .resolve(session.getLocalRepositoryManager()
-                                        .getPathForRemoteMetadata(metadata, repository, request.getRequestContext()));
+                        Path checkPath = session.getLocalRepositoryManager()
+                                .getAbsolutePathForRemoteMetadata(metadata, repository, request.getRequestContext());
                         check.setPath(checkPath);
                         check.setRepository(repository);
                         check.setAuthoritativeRepository(repo);
@@ -283,11 +281,9 @@ private List<MetadataResult> resolve(
                         RepositoryPolicy policy = getPolicy(session, repository, metadata.getNature());
 
                         // install path may be different from lookup path
-                        Path installPath = session.getLocalRepository()
-                                .getBasePath()
-                                .resolve(session.getLocalRepositoryManager()
-                                        .getPathForRemoteMetadata(
-                                                metadata, request.getRepository(), request.getRequestContext()));
+                        Path installPath = session.getLocalRepositoryManager()
+                                .getAbsolutePathForRemoteMetadata(
+                                        metadata, request.getRepository(), request.getRequestContext());
 
                         ResolveTask task = new ResolveTask(
                                 session, trace, result, installPath, checks, policy.getChecksumPolicy());

maven-resolver-impl/src/main/java/org/eclipse/aether/internal/impl/EnhancedLocalRepositoryManager.java

@@ -119,20 +119,17 @@ public LocalArtifactResult find(RepositorySystemSession session, LocalArtifactRe
         Artifact artifact = request.getArtifact();
         LocalArtifactResult result = new LocalArtifactResult(request);
 
-        String path;
         Path filePath;
 
         // Local repository CANNOT have timestamped installed, they are created only during deploy
         if (Objects.equals(artifact.getVersion(), artifact.getBaseVersion())) {
-            path = getPathForLocalArtifact(artifact);
-            filePath = getRepository().getBasePath().resolve(path);
+            filePath = getAbsolutePathForLocalArtifact(artifact);
             checkFind(filePath, result);
         }
 
         if (!result.isAvailable()) {
             for (RemoteRepository repository : request.getRepositories()) {
-                path = getPathForRemoteArtifact(artifact, repository, request.getContext());
-                filePath = getRepository().getBasePath().resolve(path);
+                filePath = getAbsolutePathForRemoteArtifact(artifact, repository, request.getContext());
 
                 checkFind(filePath, result);
 
@@ -208,10 +205,9 @@ private Collection<String> getRepositoryKeys(RemoteRepository repository, Collec
     private void addArtifact(
             Artifact artifact, Collection<String> repositories, RemoteRepository repository, String context) {
         requireNonNull(artifact, "artifact cannot be null");
-        String path = repository == null
-                ? getPathForLocalArtifact(artifact)
-                : getPathForRemoteArtifact(artifact, repository, context);
-        Path file = getRepository().getBasePath().resolve(path);
+        Path file = repository == null
+                ? getAbsolutePathForLocalArtifact(artifact)
+                : getAbsolutePathForRemoteArtifact(artifact, repository, context);
         addRepo(file, repositories);
     }
 

maven-resolver-impl/src/main/java/org/eclipse/aether/internal/impl/SimpleLocalRepositoryManager.java

@@ -132,13 +132,11 @@ public LocalArtifactResult find(RepositorySystemSession session, LocalArtifactRe
         Artifact artifact = request.getArtifact();
         LocalArtifactResult result = new LocalArtifactResult(request);
 
-        String path;
         Path filePath;
 
         // Local repository CANNOT have timestamped installed, they are created only during deploy
         if (Objects.equals(artifact.getVersion(), artifact.getBaseVersion())) {
-            path = getPathForLocalArtifact(artifact);
-            filePath = getRepository().getBasePath().resolve(path);
+            filePath = getAbsolutePathForLocalArtifact(artifact);
             if (Files.isRegularFile(filePath)) {
                 result.setPath(filePath);
                 result.setAvailable(true);
@@ -147,8 +145,7 @@ public LocalArtifactResult find(RepositorySystemSession session, LocalArtifactRe
 
         if (!result.isAvailable()) {
             for (RemoteRepository repository : request.getRepositories()) {
-                path = getPathForRemoteArtifact(artifact, repository, request.getContext());
-                filePath = getRepository().getBasePath().resolve(path);
+                filePath = getAbsolutePathForRemoteArtifact(artifact, repository, request.getContext());
                 if (Files.isRegularFile(filePath)) {
                     result.setPath(filePath);
                     result.setAvailable(true);