SBOM: fix issue with unresolved artifact

Author: rudsberg

native-maven-plugin/src/main/java/org/graalvm/buildtools/maven/sbom/ArtifactToPackageNameResolver.java

@@ -112,7 +112,7 @@ Set<ArtifactAdapter> getArtifactAdapters() throws Exception {
         return artifactsWithPackageNameMappings;
     }
 
-    private Optional<ArtifactAdapter> resolvePackageNamesFromArtifact(Artifact artifact) throws ArtifactResolutionException, IOException {
+    private Optional<ArtifactAdapter> resolvePackageNamesFromArtifact(Artifact artifact) throws IOException {
         File artifactFile = artifact.getFile();
         if (artifactFile != null && artifactFile.exists()) {
             return resolvePackageNamesFromArtifactFile(artifactFile, ArtifactAdapter.fromMavenArtifact(artifact));
@@ -124,7 +124,13 @@ private Optional<ArtifactAdapter> resolvePackageNamesFromArtifact(Artifact artif
                     .setArtifact(sourceArtifact)
                     .setRepositories(remoteRepositories);
 
-            ArtifactResult result = repositorySystem.resolveArtifact(repositorySystemSession, request);
+            ArtifactResult result;
+            try {
+                result = repositorySystem.resolveArtifact(repositorySystemSession, request);
+            } catch (ArtifactResolutionException e) {
+                return Optional.empty();
+            }
+
             if (result != null && result.getArtifact() != null && result.getArtifact().getFile() != null) {
                 File sourceFile = result.getArtifact().getFile();
                 return resolvePackageNamesFromArtifactFile(sourceFile, ArtifactAdapter.fromEclipseArtifact(result.getArtifact()));

native-maven-plugin/src/main/java/org/graalvm/buildtools/maven/sbom/SBOMGenerator.java

@@ -237,20 +237,17 @@ private static void deleteFileIfExists(Path sbomPath) {
     private void augmentSBOM(Path baseSBOMPath, Set<ArtifactAdapter> artifacts) throws IOException {
         JSONObject sbomJson = new JSONObject(Files.readString(baseSBOMPath));
 
-        JSONArray componentsArray = sbomJson.optJSONArray("components");
-        if (componentsArray == null) {
-            throw new RuntimeException(String.format("SBOM generated by %s:%s contained no components.", Plugin.groupId, Plugin.artifactId));
-        }
-
-        /* Augment the "components" */
-        componentsArray.forEach(componentNode -> augmentComponentNode((JSONObject) componentNode, artifacts));
-
         /* Augment the main component in "metadata/component" */
         JSONObject metadataNode = sbomJson.optJSONObject("metadata");
         if (metadataNode != null && metadataNode.has("component")) {
             augmentComponentNode(metadataNode.getJSONObject("component"), artifacts);
         }
 
+        JSONArray componentsArray = sbomJson.optJSONArray("components");
+        if (componentsArray != null) {
+            componentsArray.forEach(componentNode -> augmentComponentNode((JSONObject) componentNode, artifacts));
+        }
+
         /* Save the augmented SBOM back to the file */
         Files.writeString(baseSBOMPath, sbomJson.toString(2));
     }