Examples with ClassPathBuilder com.google.cloud.tools.opensource.classpath.ClassPathBuilder used on opensource projects

Example 1 with ClassPathBuilder

use of com.google.cloud.tools.opensource.classpath.ClassPathBuilder in project java-cloud-bom by googleapis.

the class BomContentTest method assertUniqueClasses.

/**
 * Asserts that the BOM only provides JARs which contains unique class names to the classpath.
 */
private static void assertUniqueClasses(List<Artifact> allArtifacts) throws InvalidVersionSpecificationException, IOException {
    StringBuilder errorMessageBuilder = new StringBuilder();
    ClassPathBuilder classPathBuilder = new ClassPathBuilder();
    ClassPathResult result = classPathBuilder.resolve(allArtifacts, false, DependencyMediation.MAVEN);
    // A Map of every class name to its artifact ID.
    HashMap<String, String> fullClasspathMap = new HashMap<>();
    for (ClassPathEntry classPathEntry : result.getClassPath()) {
        Artifact currentArtifact = classPathEntry.getArtifact();
        if (!currentArtifact.getGroupId().contains("google") || currentArtifact.getGroupId().contains("com.google.android") || currentArtifact.getGroupId().contains("com.google.cloud.bigtable") || currentArtifact.getArtifactId().startsWith("proto-") || currentArtifact.getArtifactId().equals("protobuf-javalite") || currentArtifact.getArtifactId().equals("appengine-testing")) {
            // See: https://github.com/GoogleCloudPlatform/cloud-opensource-java/issues/2226
            continue;
        }
        String artifactCoordinates = Artifacts.toCoordinates(currentArtifact);
        for (String className : classPathEntry.getFileNames()) {
            if (className.contains("javax.annotation") || className.contains("$") || className.equals("com.google.cloud.location.LocationsGrpc") || className.endsWith("package-info")) {
                // Ignore LocationsGrpc classes which are duplicated in generated grpc libraries.
                continue;
            }
            String previousArtifact = fullClasspathMap.get(className);
            if (previousArtifact != null) {
                String msg = String.format("Duplicate class %s found in classpath. Found in artifacts %s and %s.\n", className, previousArtifact, artifactCoordinates);
                errorMessageBuilder.append(msg);
            } else {
                fullClasspathMap.put(className, artifactCoordinates);
            }
        }
    }
    String error = errorMessageBuilder.toString();
    Assert.assertTrue("Failing test due to duplicate classes found on classpath:\n" + error, error.isEmpty());
}

Example 2 with ClassPathBuilder

use of com.google.cloud.tools.opensource.classpath.ClassPathBuilder in project cloud-opensource-java by GoogleCloudPlatform.

the class LinkageCheckTask method findLinkageErrors.

/**
 * Returns true iff {@code configuration}'s artifacts contain linkage errors.
 */
private boolean findLinkageErrors(Configuration configuration) throws IOException {
    ClassPathResult classPathResult = createClassPathResult(configuration.getResolvedConfiguration());
    ImmutableList.Builder<ClassPathEntry> classPathEntriesBuilder = ImmutableList.builder();
    for (ResolvedArtifact resolvedArtifact : configuration.getResolvedConfiguration().getResolvedArtifacts()) {
        ModuleVersionIdentifier moduleVersionId = resolvedArtifact.getModuleVersion().getId();
        DefaultArtifact artifact = new DefaultArtifact(moduleVersionId.getGroup(), moduleVersionId.getName(), resolvedArtifact.getClassifier(), resolvedArtifact.getExtension(), moduleVersionId.getVersion(), null, resolvedArtifact.getFile());
        classPathEntriesBuilder.add(new ClassPathEntry(artifact));
    }
    ImmutableList<ClassPathEntry> classPath = classPathEntriesBuilder.build();
    if (!classPath.isEmpty()) {
        String exclusionFileName = extension.getExclusionFile();
        Path exclusionFile = exclusionFileName == null ? null : Paths.get(exclusionFileName);
        if (exclusionFile != null && !exclusionFile.isAbsolute()) {
            // Relative path from the project root
            Path projectRoot = getProject().getRootDir().toPath();
            exclusionFile = projectRoot.resolve(exclusionFile).toAbsolutePath();
        }
        // TODO(suztomo): Specify correct entry points if reportOnlyReachable is true.
        LinkageChecker linkageChecker = LinkageChecker.create(classPath, classPath, exclusionFile);
        ImmutableSet<LinkageProblem> linkageProblems = linkageChecker.findLinkageProblems();
        ClassPathBuilder classPathBuilder = new ClassPathBuilder();
        LinkageProblemCauseAnnotator.annotate(classPathBuilder, classPathResult, linkageProblems);
        int errorCount = linkageProblems.size();
        // TODO(suztomo): Show the dependency paths to the problematic artifacts.
        if (errorCount > 0) {
            getLogger().error("Linkage Checker rule found {} error{}:\n{}", errorCount, errorCount > 1 ? "s" : "", LinkageProblem.formatLinkageProblems(linkageProblems, classPathResult));
            ResolutionResult result = configuration.getIncoming().getResolutionResult();
            ResolvedComponentResult root = result.getRoot();
            String dependencyPaths = dependencyPathsOfProblematicJars(root, linkageProblems);
            getLogger().error(dependencyPaths);
            getLogger().info("For the details of the linkage errors, see " + "https://github.com/GoogleCloudPlatform/cloud-opensource-java/wiki/Linkage-Checker-Messages");
        }
        return errorCount > 0;
    }
    // When the configuration does not have any artifacts, there's no linkage error.
    return false;
}

Example 3 with ClassPathBuilder

use of com.google.cloud.tools.opensource.classpath.ClassPathBuilder in project cloud-opensource-java by GoogleCloudPlatform.

the class LinkageMonitor method run.

/**
 * Returns new problems in the BOM specified by {@code groupId} and {@code artifactId}. This
 * method compares the latest release of the BOM and its snapshot version which uses artifacts in
 * {@link #localArtifacts}.
 */
private ImmutableSet<LinkageProblem> run(String groupId, String artifactId) throws RepositoryException, IOException, MavenRepositoryException, ModelBuildingException {
    String latestBomCoordinates = RepositoryUtility.findLatestCoordinates(repositorySystem, groupId, artifactId);
    logger.info("BOM Coordinates: " + latestBomCoordinates);
    Bom baseline = Bom.readBom(latestBomCoordinates);
    ImmutableSet<LinkageProblem> problemsInBaseline = LinkageChecker.create(baseline, null).findLinkageProblems();
    Bom snapshot = copyWithSnapshot(repositorySystem, session, baseline, localArtifacts);
    // Comparing coordinates because DefaultArtifact does not override equals
    ImmutableList<String> baselineCoordinates = coordinatesList(baseline.getManagedDependencies());
    ImmutableList<String> snapshotCoordinates = coordinatesList(snapshot.getManagedDependencies());
    if (baselineCoordinates.equals(snapshotCoordinates)) {
        logger.info("Snapshot is same as baseline. Not running comparison.");
        logger.info("Baseline coordinates: " + Joiner.on(";").join(baselineCoordinates));
        return ImmutableSet.of();
    }
    ImmutableList<Artifact> snapshotManagedDependencies = snapshot.getManagedDependencies();
    ClassPathResult classPathResult = (new ClassPathBuilder()).resolve(snapshotManagedDependencies, true, DependencyMediation.MAVEN);
    ImmutableList<ClassPathEntry> classpath = classPathResult.getClassPath();
    List<ClassPathEntry> entryPointJars = classpath.subList(0, snapshotManagedDependencies.size());
    ImmutableSet<LinkageProblem> problemsInSnapshot = LinkageChecker.create(classpath, ImmutableSet.copyOf(entryPointJars), null).findLinkageProblems();
    if (problemsInBaseline.equals(problemsInSnapshot)) {
        logger.info("Snapshot versions have the same " + problemsInBaseline.size() + " errors as baseline");
        return ImmutableSet.of();
    }
    Set<LinkageProblem> fixedProblems = Sets.difference(problemsInBaseline, problemsInSnapshot);
    if (!fixedProblems.isEmpty()) {
        logger.info(messageForFixedErrors(fixedProblems));
    }
    Set<LinkageProblem> newProblems = Sets.difference(problemsInSnapshot, problemsInBaseline);
    if (!newProblems.isEmpty()) {
        logger.severe(messageForNewErrors(problemsInSnapshot, problemsInBaseline, classPathResult));
    }
    return ImmutableSet.copyOf(newProblems);
}

Example 4 with ClassPathBuilder

use of com.google.cloud.tools.opensource.classpath.ClassPathBuilder in project cloud-opensource-java by GoogleCloudPlatform.

the class LinkageCheckerRule method execute.

@Override
public void execute(@Nonnull EnforcerRuleHelper helper) throws EnforcerRuleException {
    logger = helper.getLog();
    try {
        MavenProject project = (MavenProject) helper.evaluate("${project}");
        MavenSession session = (MavenSession) helper.evaluate("${session}");
        MojoExecution execution = (MojoExecution) helper.evaluate("${mojoExecution}");
        RepositorySystemSession repositorySystemSession = session.getRepositorySession();
        ImmutableList<String> repositoryUrls = project.getRemoteProjectRepositories().stream().map(RemoteRepository::getUrl).collect(toImmutableList());
        DependencyGraphBuilder dependencyGraphBuilder = new DependencyGraphBuilder(repositoryUrls);
        classPathBuilder = new ClassPathBuilder(dependencyGraphBuilder);
        boolean readingDependencyManagementSection = dependencySection == DependencySection.DEPENDENCY_MANAGEMENT;
        if (readingDependencyManagementSection && (project.getDependencyManagement() == null || project.getDependencyManagement().getDependencies() == null || project.getDependencyManagement().getDependencies().isEmpty())) {
            logger.warn("The rule is set to read dependency management section but it is empty.");
        }
        String projectType = project.getArtifact().getType();
        if (readingDependencyManagementSection) {
            if (!"pom".equals(projectType)) {
                logger.warn("A BOM should have packaging pom");
                return;
            }
        } else {
            if (UNSUPPORTED_NONBOM_PACKAGING.contains(projectType)) {
                return;
            }
            if (!"verify".equals(execution.getLifecyclePhase())) {
                throw new EnforcerRuleException("To run the check on the compiled class files, the linkage checker enforcer rule" + " should be bound to the 'verify' phase. Current phase: " + execution.getLifecyclePhase());
            }
            if (project.getArtifact().getFile() == null) {
                // https://github.com/GoogleCloudPlatform/cloud-opensource-java/issues/850
                return;
            }
        }
        ClassPathResult classPathResult = readingDependencyManagementSection ? findBomClasspath(project, repositorySystemSession) : findProjectClasspath(project, repositorySystemSession, helper);
        ImmutableList<ClassPathEntry> classPath = classPathResult.getClassPath();
        if (classPath.isEmpty()) {
            logger.warn("Class path is empty.");
            return;
        }
        List<ClassPathEntry> entryPoints = entryPoints(project, classPath);
        try {
            // TODO LinkageChecker.create and LinkageChecker.findLinkageProblems
            // should not be two separate public methods since we always call
            // findLinkageProblems immediately after create.
            Path exclusionFile = this.exclusionFile == null ? null : Paths.get(this.exclusionFile);
            LinkageChecker linkageChecker = LinkageChecker.create(classPath, entryPoints, exclusionFile);
            ImmutableSet<LinkageProblem> linkageProblems = linkageChecker.findLinkageProblems();
            if (reportOnlyReachable) {
                ClassReferenceGraph classReferenceGraph = linkageChecker.getClassReferenceGraph();
                linkageProblems = linkageProblems.stream().filter(entry -> classReferenceGraph.isReachable(entry.getSourceClass().getBinaryName())).collect(toImmutableSet());
            }
            if (classPathResult != null) {
                LinkageProblemCauseAnnotator.annotate(classPathBuilder, classPathResult, linkageProblems);
            }
            // Count unique LinkageProblems by their symbols
            long errorCount = linkageProblems.stream().map(LinkageProblem::formatSymbolProblem).distinct().count();
            String foundError = reportOnlyReachable ? "reachable error" : "error";
            if (errorCount > 1) {
                foundError += "s";
            }
            if (errorCount > 0) {
                String message = String.format("Linkage Checker rule found %d %s:\n%s", errorCount, foundError, LinkageProblem.formatLinkageProblems(linkageProblems, classPathResult));
                if (getLevel() == WARN) {
                    logger.warn(message);
                } else {
                    logger.error(message);
                    logger.info("For the details of the linkage errors, see " + "https://github.com/GoogleCloudPlatform/cloud-opensource-java/wiki/Linkage-Checker-Messages");
                    throw new EnforcerRuleException("Failed while checking class path. See above error report.");
                }
            } else {
                // arguably shouldn't log anything on success
                logger.info("No " + foundError + " found");
            }
        } catch (IOException ex) {
            // Maven's "-e" flag does not work for EnforcerRuleException. Print stack trace here.
            logger.warn("Failed to run Linkage Checker:" + ex.getMessage(), ex);
            throw new EnforcerRuleException("Failed to run Linkage Checker", ex);
        }
    } catch (ExpressionEvaluationException ex) {
        throw new EnforcerRuleException("Unable to lookup an expression " + ex.getMessage(), ex);
    }
}

Example 5 with ClassPathBuilder

use of com.google.cloud.tools.opensource.classpath.ClassPathBuilder in project cloud-opensource-java by GoogleCloudPlatform.

the class BomContentTest method assertUniqueClasses.

/**
 * Asserts that the BOM only provides JARs which contains unique class names to the classpath.
 */
private static void assertUniqueClasses(List<Artifact> allArtifacts) throws InvalidVersionSpecificationException, IOException {
    StringBuilder errorMessageBuilder = new StringBuilder();
    ClassPathBuilder classPathBuilder = new ClassPathBuilder();
    ClassPathResult result = classPathBuilder.resolve(allArtifacts, false, DependencyMediation.MAVEN);
    // A Map of every class name to its artifact ID.
    HashMap<String, String> fullClasspathMap = new HashMap<>();
    for (ClassPathEntry classPathEntry : result.getClassPath()) {
        Artifact currentArtifact = classPathEntry.getArtifact();
        if (!currentArtifact.getGroupId().contains("google") || currentArtifact.getGroupId().contains("com.google.android") || currentArtifact.getGroupId().contains("com.google.cloud.bigtable") || currentArtifact.getArtifactId().startsWith("proto-") || currentArtifact.getArtifactId().equals("protobuf-javalite") || currentArtifact.getArtifactId().equals("appengine-testing")) {
            // See: https://github.com/GoogleCloudPlatform/cloud-opensource-java/issues/2226
            continue;
        }
        String artifactCoordinates = Artifacts.toCoordinates(currentArtifact);
        for (String className : classPathEntry.getFileNames()) {
            if (className.contains("javax.annotation") || className.contains("$") || className.equals("com.google.cloud.location.LocationsGrpc") || className.endsWith("package-info")) {
                // Ignore LocationsGrpc classes which are duplicated in generated grpc libraries.
                continue;
            }
            String previousArtifact = fullClasspathMap.get(className);
            if (previousArtifact != null) {
                String msg = String.format("Duplicate class %s found in classpath. Found in artifacts %s and %s.\n", className, previousArtifact, artifactCoordinates);
                errorMessageBuilder.append(msg);
            } else {
                fullClasspathMap.put(className, artifactCoordinates);
            }
        }
    }
    String error = errorMessageBuilder.toString();
    Assert.assertTrue("Failing test due to duplicate classes found on classpath:\n" + error, error.isEmpty());
}