org.apache.karaf.tooling.features.Dependency31Helper Maven / Gradle / Ivy
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* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
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*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
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* specific language governing permissions and limitations
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package org.apache.karaf.tooling.features;
import org.apache.maven.RepositoryUtils;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugin.MojoFailureException;
import org.apache.maven.plugin.logging.Log;
import org.apache.maven.project.MavenProject;
import org.eclipse.aether.DefaultRepositorySystemSession;
import org.eclipse.aether.RepositorySystem;
import org.eclipse.aether.RepositorySystemSession;
import org.eclipse.aether.artifact.Artifact;
import org.eclipse.aether.artifact.DefaultArtifact;
import org.eclipse.aether.collection.*;
import org.eclipse.aether.graph.Dependency;
import org.eclipse.aether.graph.DependencyNode;
import org.eclipse.aether.repository.RemoteRepository;
import org.eclipse.aether.resolution.ArtifactRequest;
import org.eclipse.aether.resolution.ArtifactResolutionException;
import org.eclipse.aether.resolution.ArtifactResult;
import org.eclipse.aether.util.graph.selector.AndDependencySelector;
import org.eclipse.aether.util.graph.selector.ExclusionDependencySelector;
import org.eclipse.aether.util.graph.selector.OptionalDependencySelector;
import org.eclipse.aether.util.graph.transformer.*;
import java.io.File;
import java.lang.reflect.Method;
import java.util.*;
import static java.lang.String.*;
import static org.apache.karaf.deployer.kar.KarArtifactInstaller.FEATURE_CLASSIFIER;
/**
* {@link DependencyHelper} for accessing Eclipse Aether system used in Maven 3.1+. It uses reflection to access
* these methods of {@code maven-core} APIs which directly references Eclipse Aether classes.
*
* When {@code karaf-maven-plugin} switches to {@code maven-core:3.1.0+}, reflection should be use for Sonatype
* Aether in {@link Dependency30Helper} and this class will use Maven API directly.
*/
public class Dependency31Helper implements DependencyHelper {
/**
* The entry point to Aether, i.e. the component doing all the work.
*/
private final RepositorySystem repositorySystem;
/**
* The current repository/network configuration of Maven.
*/
private final RepositorySystemSession repositorySystemSession;
/**
* The project's remote repositories to use for the resolution of project dependencies.
*/
private final List projectRepositories;
// dependencies we are interested in
protected Map localDependencies;
// log of what happened during search
protected String treeListing;
@SuppressWarnings("unchecked")
public Dependency31Helper(List repositories, Object session, RepositorySystem repositorySystem) {
this.projectRepositories = (List) repositories;
this.repositorySystemSession = (RepositorySystemSession) session;
this.repositorySystem = repositorySystem;
}
@Override
public Map getLocalDependencies() {
return localDependencies;
}
@Override
public String getTreeListing() {
return treeListing;
}
@Override
public void getDependencies(MavenProject project, boolean useTransitiveDependencies) throws MojoExecutionException {
DependencyNode rootNode = getDependencyTree(toArtifact(project.getArtifact()));
Scanner scanner = new Scanner();
scanner.scan(rootNode, useTransitiveDependencies);
localDependencies = scanner.localDependencies;
treeListing = scanner.getLog();
}
private DependencyNode getDependencyTree(Artifact artifact) throws MojoExecutionException {
try {
CollectRequest collectRequest = new CollectRequest(new Dependency(artifact, "compile"), null, projectRepositories);
DefaultRepositorySystemSession session = new DefaultRepositorySystemSession(repositorySystemSession);
session.setDependencySelector(new AndDependencySelector(new OptionalDependencySelector(),
new ScopeDependencySelector1(),
new ExclusionDependencySelector()));
// between aether-util 0.9.0.M1 and M2, JavaEffectiveScopeCalculator was removed
// see https://bugs.eclipse.org/bugs/show_bug.cgi?id=397241
DependencyGraphTransformer transformer = new ChainedDependencyGraphTransformer(new ConflictMarker(),
new ConflictResolver(new NearestVersionSelector(), new JavaScopeSelector(), new SimpleOptionalitySelector(), new JavaScopeDeriver()),
new JavaDependencyContextRefiner());
session.setDependencyGraphTransformer(transformer);
CollectResult result = repositorySystem.collectDependencies(session, collectRequest);
return result.getRoot();
} catch (DependencyCollectionException e) {
throw new MojoExecutionException("Cannot build project dependency tree", e);
}
}
/**
* Aether's ScopeDependencySelector appears to always exclude the configured scopes (test and provided) and there is no way to configure it to
* accept the top level provided scope dependencies. We need this 3 layers cake since Aether never actually uses the top level selector you give it,
* it always starts by getting the child to apply to the project's dependencies.
*/
private static class ScopeDependencySelector1 implements DependencySelector {
private DependencySelector child = new ScopeDependencySelector2();
public boolean selectDependency(Dependency dependency) {
throw new IllegalStateException("This does not appear to be called");
}
public DependencySelector deriveChildSelector(DependencyCollectionContext context) {
return child;
}
}
public static class ScopeDependencySelector2 implements DependencySelector {
private DependencySelector child = new ScopeDependencySelector3();
public boolean selectDependency(Dependency dependency) {
String scope = dependency.getScope();
return !"test".equals(scope) && !"runtime".equals(scope);
}
public DependencySelector deriveChildSelector(DependencyCollectionContext context) {
return child;
}
}
private static class ScopeDependencySelector3 implements DependencySelector {
public boolean selectDependency(Dependency dependency) {
String scope = dependency.getScope();
return !"test".equals(scope) && !"provided".equals(scope) && !"runtime".equals(scope);
}
public DependencySelector deriveChildSelector(DependencyCollectionContext context) {
return this;
}
}
private static class Scanner {
private static enum Accept {
ACCEPT(true, true),
PROVIDED(true, false),
STOP(false, false);
private final boolean more;
private final boolean local;
private Accept(boolean more, boolean local) {
this.more = more;
this.local = local;
}
public boolean isContinue() {
return more;
}
public boolean isLocal() {
return local;
}
}
// all the dependencies needed, with provided dependencies removed
private final Map localDependencies = new LinkedHashMap();
// dependencies from ancestor, to be removed from localDependencies
private final Set dependencies = new LinkedHashSet();
private final StringBuilder log = new StringBuilder();
public void scan(DependencyNode rootNode, boolean useTransitiveDependencies) throws MojoExecutionException {
for (DependencyNode child : rootNode.getChildren()) {
scan(child, Accept.ACCEPT, useTransitiveDependencies, false, "");
}
if (useTransitiveDependencies) {
localDependencies.keySet().removeAll(dependencies);
}
}
private void scan(DependencyNode dependencyNode, Accept parentAccept, boolean useTransitiveDependencies, boolean isFromFeature, String indent) throws MojoExecutionException {
Accept accept = accept(dependencyNode, parentAccept);
if (accept.isLocal()) {
if (isFromFeature) {
if (!isFeature(dependencyNode)) {
log.append(indent).append("from feature:").append(dependencyNode).append("\n");
dependencies.add(dependencyNode.getDependency().getArtifact());
} else {
log.append(indent).append("is feature:").append(dependencyNode).append("\n");
}
} else {
log.append(indent).append("local:").append(dependencyNode).append("\n");
if (localDependencies.containsKey(dependencyNode.getDependency().getArtifact())) {
log.append(indent).append("already in feature, returning:").append(dependencyNode).append("\n");
return;
}
// TODO resolve scope conflicts
localDependencies.put(dependencyNode.getDependency().getArtifact(), dependencyNode.getDependency().getScope());
if (isFeature(dependencyNode) || !useTransitiveDependencies) {
isFromFeature = true;
}
}
if (useTransitiveDependencies && accept.isContinue()) {
List children = dependencyNode.getChildren();
for (DependencyNode child : children) {
scan(child, accept, useTransitiveDependencies, isFromFeature, indent + " ");
}
}
}
}
public String getLog() {
return log.toString();
}
private Accept accept(DependencyNode dependency, Accept previous) {
String scope = dependency.getDependency().getScope();
if (scope == null || "runtime".equalsIgnoreCase(scope) || "compile".equalsIgnoreCase(scope)) {
return previous;
}
if ("provided".equalsIgnoreCase(scope)) {
return Accept.PROVIDED;
}
return Accept.STOP;
}
}
public static boolean isFeature(DependencyNode dependencyNode) {
return isFeature(dependencyNode.getDependency().getArtifact());
}
public static boolean isFeature(Artifact artifact) {
return artifact.getExtension().equals("kar") || FEATURE_CLASSIFIER.equals(artifact.getClassifier());
}
@Override
public boolean isArtifactAFeature(Object artifact) {
return Dependency31Helper.isFeature((Artifact) artifact);
}
@Override
public String getArtifactId(Object artifact) {
return ((Artifact) artifact).getArtifactId();
}
@Override
public String getClassifier(Object artifact) {
return ((Artifact) artifact).getClassifier();
}
@Override
public File resolve(Object artifact, Log log) {
ArtifactRequest request = new ArtifactRequest();
request.setArtifact((Artifact) artifact);
request.setRepositories(projectRepositories);
log.debug("Resolving artifact " + artifact + " from " + projectRepositories);
ArtifactResult result;
try {
result = repositorySystem.resolveArtifact(repositorySystemSession, request);
} catch (ArtifactResolutionException e) {
log.warn("Cound not resolve " + artifact, e);
return null;
}
log.debug("Resolved artifact " + artifact + " to " + result.getArtifact().getFile() + " from " + result.getRepository());
return result.getArtifact().getFile();
}
@Override
public File resolveById(String id, Log log) throws MojoFailureException {
if (id.startsWith("mvn:")) {
if (id.contains("!")) {
id = id.substring(0, "mvn:".length()) + id.substring(id.indexOf("!") + 1);
}
if (id.endsWith("/")) {
id = id.substring(0, id.length() - 1);
}
}
id = MavenUtil.mvnToAether(id);
ArtifactRequest request = new ArtifactRequest();
request.setArtifact(new DefaultArtifact(id));
request.setRepositories(projectRepositories);
log.debug("Resolving artifact " + id + " from " + projectRepositories);
ArtifactResult result;
try {
result = repositorySystem.resolveArtifact(repositorySystemSession, request);
} catch (ArtifactResolutionException e) {
log.warn("Could not resolve " + id, e);
throw new MojoFailureException(format("Couldn't resolve artifact %s", id), e);
}
log.debug("Resolved artifact " + id + " to " + result.getArtifact().getFile() + " from " + result.getRepository());
return result.getArtifact().getFile();
}
@Override
public String artifactToMvn(org.apache.maven.artifact.Artifact artifact) throws MojoExecutionException {
return this.artifactToMvn(toArtifact(artifact));
}
@Override
public String artifactToMvn(Object _artifact) {
Artifact artifact = (Artifact) _artifact;
String bundleName;
if (artifact.getExtension().equals("jar") && MavenUtil.isEmpty(artifact.getClassifier())) {
bundleName = String.format("mvn:%s/%s/%s", artifact.getGroupId(), artifact.getArtifactId(), artifact.getBaseVersion());
} else {
if (MavenUtil.isEmpty(artifact.getClassifier())) {
bundleName = String.format("mvn:%s/%s/%s/%s", artifact.getGroupId(), artifact.getArtifactId(), artifact.getBaseVersion(), artifact.getExtension());
} else {
bundleName = String.format("mvn:%s/%s/%s/%s/%s", artifact.getGroupId(), artifact.getArtifactId(), artifact.getBaseVersion(), artifact.getExtension(), artifact.getClassifier());
}
}
return bundleName;
}
private static Artifact toArtifact(org.apache.maven.artifact.Artifact artifact) throws MojoExecutionException {
try {
Method toArtifact = RepositoryUtils.class.getMethod("toArtifact", org.apache.maven.artifact.Artifact.class);
return (Artifact) toArtifact.invoke(null, artifact);
} catch (Exception e) {
throw new MojoExecutionException(e.getMessage(), e);
}
}
private static org.apache.maven.artifact.Artifact toArtifact(Artifact artifact) throws MojoExecutionException {
try {
Method toArtifact = RepositoryUtils.class.getMethod("toArtifact", Artifact.class);
return (org.apache.maven.artifact.Artifact) toArtifact.invoke(null, artifact);
} catch (Exception e) {
throw new MojoExecutionException(e.getMessage(), e);
}
}
@Override
public org.apache.maven.artifact.Artifact mvnToArtifact(String name) throws MojoExecutionException {
name = MavenUtil.mvnToAether(name);
DefaultArtifact artifact = new DefaultArtifact(name);
org.apache.maven.artifact.Artifact mavenArtifact = toArtifact(artifact);
return mavenArtifact;
}
@Override
public String pathFromMaven(String name) throws MojoExecutionException {
if (name.indexOf(':') == -1) {
return name;
}
if (name.endsWith("/")) {
name = name.substring(0, name.length() - 1);
}
name = MavenUtil.mvnToAether(name);
return pathFromAether(name);
}
@Override
public String pathFromAether(String name) throws MojoExecutionException {
DefaultArtifact artifact = new DefaultArtifact(name);
org.apache.maven.artifact.Artifact mavenArtifact = toArtifact(artifact);
return MavenUtil.layout.pathOf(mavenArtifact);
}
}