get the direct dependencies

Author: Ye Zhu

src/upgrade/assessmentManager.ts

@@ -1,7 +1,10 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT license.
 
+import * as fs from 'fs';
+import * as path from 'path';
 import * as semver from 'semver';
+import { Uri } from 'vscode';
 import { Jdtls } from "../java/jdtls";
 import { NodeKind, type INodeData } from "../java/nodeData";
 import { type DependencyCheckItem, type UpgradeIssue, type PackageDescription, UpgradeReason } from "./type";
@@ -145,7 +148,7 @@ async function getDependencyIssues(dependencies: PackageDescription[]): Promise<
 
 async function getProjectIssues(projectNode: INodeData): Promise<UpgradeIssue[]> {
     const issues: UpgradeIssue[] = [];
-    const dependencies = await getAllDependencies(projectNode);
+    const dependencies = await getDirectDependencies(projectNode);
     issues.push(...await getCVEIssues(dependencies));
     issues.push(...getJavaIssues(projectNode));
     issues.push(...await getDependencyIssues(dependencies));
@@ -175,30 +178,181 @@ async function getWorkspaceIssues(workspaceFolderUri: string): Promise<UpgradeIs
     return workspaceIssues;
 }
 
-async function getAllDependencies(projectNode: INodeData): Promise<PackageDescription[]> {
+const MAVEN_CONTAINER_PATH = "org.eclipse.m2e.MAVEN2_CLASSPATH_CONTAINER";
+const GRADLE_CONTAINER_PATH = "org.eclipse.buildship.core.gradleclasspathcontainer";
+
+/**
+ * Parse direct dependencies from pom.xml file.
+ * Also checks parent pom.xml for multi-module projects.
+ */
+function parseDirectDependenciesFromPom(pomPath: string): Set<string> {
+    const directDeps = new Set<string>();
+    try {
+        const pomContent = fs.readFileSync(pomPath, 'utf-8');
+        
+        // Extract dependencies from <dependencies> section (not inside <dependencyManagement>)
+        // First, remove dependencyManagement sections to avoid including managed deps
+        const withoutDepMgmt = pomContent.replace(/<dependencyManagement>[\s\S]*?<\/dependencyManagement>/g, '');
+        
+        // Match <dependency> blocks and extract groupId and artifactId
+        const dependencyRegex = /<dependency>\s*<groupId>([^<]+)<\/groupId>\s*<artifactId>([^<]+)<\/artifactId>/g;
+        let match;
+        while ((match = dependencyRegex.exec(withoutDepMgmt)) !== null) {
+            const groupId = match[1].trim();
+            const artifactId = match[2].trim();
+            // Skip property references like ${project.groupId}
+            if (!groupId.includes('${') && !artifactId.includes('${')) {
+                directDeps.add(`${groupId}:${artifactId}`);
+            }
+        }
+
+        // Check for parent pom in multi-module projects
+        const parentPomPath = path.join(path.dirname(pomPath), '..', 'pom.xml');
+        if (fs.existsSync(parentPomPath)) {
+            const parentDeps = parseDirectDependenciesFromPom(parentPomPath);
+            parentDeps.forEach(dep => directDeps.add(dep));
+        }
+    } catch {
+        // If we can't read the pom, return empty set
+    }
+    return directDeps;
+}
+
+/**
+ * Parse direct dependencies from build.gradle or build.gradle.kts file
+ */
+function parseDirectDependenciesFromGradle(gradlePath: string): Set<string> {
+    const directDeps = new Set<string>();
+    try {
+        const gradleContent = fs.readFileSync(gradlePath, 'utf-8');
+        
+        // Match common dependency configurations:
+        // implementation 'group:artifact:version'
+        // implementation "group:artifact:version"
+        // api 'group:artifact:version'
+        // compileOnly, runtimeOnly, testImplementation, etc.
+        const shortFormRegex = /(?:implementation|api|compile|compileOnly|runtimeOnly|testImplementation|testCompileOnly|testRuntimeOnly)\s*\(?['"]([^:'"]+):([^:'"]+)(?::[^'"]*)?['"]\)?/g;
+        let match;
+        while ((match = shortFormRegex.exec(gradleContent)) !== null) {
+            const groupId = match[1].trim();
+            const artifactId = match[2].trim();
+            if (!groupId.includes('$') && !artifactId.includes('$')) {
+                directDeps.add(`${groupId}:${artifactId}`);
+            }
+        }
+
+        // Match map notation: implementation group: 'x', name: 'y', version: 'z'
+        const mapFormRegex = /(?:implementation|api|compile|compileOnly|runtimeOnly|testImplementation|testCompileOnly|testRuntimeOnly)\s*\(?group:\s*['"]([^'"]+)['"]\s*,\s*name:\s*['"]([^'"]+)['"]/g;
+        while ((match = mapFormRegex.exec(gradleContent)) !== null) {
+            const groupId = match[1].trim();
+            const artifactId = match[2].trim();
+            if (!groupId.includes('$') && !artifactId.includes('$')) {
+                directDeps.add(`${groupId}:${artifactId}`);
+            }
+        }
+    } catch {
+        // If we can't read the gradle file, return empty set
+    }
+    return directDeps;
+}
+
+/**
+ * Find the build file (pom.xml or build.gradle) for a project
+ */
+function findBuildFile(projectUri: string | undefined): { path: string; type: 'maven' | 'gradle' } | null {
+    if (!projectUri) {
+        return null;
+    }
+    try {
+        const projectPath = Uri.parse(projectUri).fsPath;
+        
+        // Check for Maven
+        const pomPath = path.join(projectPath, 'pom.xml');
+        if (fs.existsSync(pomPath)) {
+            return { path: pomPath, type: 'maven' };
+        }
+        
+        // Check for Gradle Kotlin DSL
+        const gradleKtsPath = path.join(projectPath, 'build.gradle.kts');
+        if (fs.existsSync(gradleKtsPath)) {
+            return { path: gradleKtsPath, type: 'gradle' };
+        }
+        
+        // Check for Gradle Groovy DSL
+        const gradlePath = path.join(projectPath, 'build.gradle');
+        if (fs.existsSync(gradlePath)) {
+            return { path: gradlePath, type: 'gradle' };
+        }
+    } catch {
+        // Ignore errors
+    }
+    return null;
+}
+
+/**
+ * Parse direct dependencies from build file (Maven or Gradle)
+ */
+function parseDirectDependencies(buildFile: { path: string; type: 'maven' | 'gradle' }): Set<string> {
+    if (buildFile.type === 'maven') {
+        return parseDirectDependenciesFromPom(buildFile.path);
+    } else {
+        return parseDirectDependenciesFromGradle(buildFile.path);
+    }
+}
+
+async function getDirectDependencies(projectNode: INodeData): Promise<PackageDescription[]> {
     const projectStructureData = await Jdtls.getPackageData({ kind: NodeKind.Project, projectUri: projectNode.uri });
-    const packageContainers = projectStructureData.filter(x => x.kind === NodeKind.Container);
+    // Only include Maven or Gradle containers (not JRE or other containers)
+    const dependencyContainers = projectStructureData.filter(x =>
+        x.kind === NodeKind.Container &&
+        (x.path?.startsWith(MAVEN_CONTAINER_PATH) || x.path?.startsWith(GRADLE_CONTAINER_PATH))
+    );
+
+    // Get direct dependency identifiers from build file
+    const buildFile = findBuildFile(projectNode.uri);
+    const directDependencyIds = buildFile ? parseDirectDependencies(buildFile) : null;
 
     const allPackages = await Promise.allSettled(
-        packageContainers.map(async (packageContainer) => {
+        dependencyContainers.map(async (packageContainer) => {
             const packageNodes = await Jdtls.getPackageData({
                 kind: NodeKind.Container,
                 projectUri: projectNode.uri,
                 path: packageContainer.path,
             });
-            return packageNodes.map(packageNodeToDescription).filter((x): x is PackageDescription => Boolean(x));
+            return packageNodes
+                .map(packageNodeToDescription)
+                .filter((x): x is PackageDescription => Boolean(x));
         })
     );
 
     const fulfilled = allPackages.filter((x): x is PromiseFulfilledResult<PackageDescription[]> => x.status === "fulfilled");
     const failedPackageCount = allPackages.length - fulfilled.length;
     if (failedPackageCount > 0) {
         sendInfo("", {
-            operationName: "java.dependency.assessmentManager.getAllDependencies.rejected",
+            operationName: "java.dependency.assessmentManager.getDirectDependencies.rejected",
             failedPackageCount: String(failedPackageCount),
         });
     }
-    return fulfilled.map(x => x.value).flat();
+
+    let dependencies = fulfilled.map(x => x.value).flat();
+
+    // Filter to only direct dependencies if we have build file info
+    if (directDependencyIds && directDependencyIds.size > 0) {
+        dependencies = dependencies.filter(pkg => 
+            directDependencyIds.has(`${pkg.groupId}:${pkg.artifactId}`)
+        );
+    }
+
+    // Deduplicate by GAV coordinates
+    const seen = new Set<string>();
+    return dependencies.filter(pkg => {
+        const key = `${pkg.groupId}:${pkg.artifactId}:${pkg.version}`;
+        if (seen.has(key)) {
+            return false;
+        }
+        seen.add(key);
+        return true;
+    });
 }
 
 async function getCVEIssues(dependencies: PackageDescription[]): Promise<UpgradeIssue[]> {