Java Maven类代码示例

import org.apache.maven.Maven; //导入依赖的package包/类
public void runMavenRequest(MavenExecutionRequest request, Runnable runnable) {
  DefaultMaven maven = (DefaultMaven) getMavenComponent(Maven.class);
  RepositorySystemSession repositorySystemSession = maven.newRepositorySession(request);
  request.getProjectBuildingRequest().setRepositorySession(repositorySystemSession);
  MavenSession mavenSession =
      new MavenSession(
          container, repositorySystemSession, request, new DefaultMavenExecutionResult());
  LegacySupport legacySupport = getMavenComponent(LegacySupport.class);
  MavenSession previousSession = legacySupport.getSession();
  legacySupport.setSession(mavenSession);
  try {
    for (AbstractMavenLifecycleParticipant participant :
        getLifecycleParticipants(Collections.emptyList())) {
      participant.afterSessionStart(mavenSession);
    }
    runnable.run();
  } catch (MavenExecutionException e) {
    throw new RuntimeException(e);
  } finally {
    legacySupport.setSession(previousSession);
  }
}
 

import org.apache.maven.Maven; //导入依赖的package包/类
public void executeWithMavenSession(MavenExecutionRequest request, Runnable runnable) {
  DefaultMaven maven = (DefaultMaven)getComponent(Maven.class);
  RepositorySystemSession repositorySession = maven.newRepositorySession(request);

  request.getProjectBuildingRequest().setRepositorySession(repositorySession);

  MavenSession mavenSession = new MavenSession(myContainer, repositorySession, request, new DefaultMavenExecutionResult());
  LegacySupport legacySupport = getComponent(LegacySupport.class);

  MavenSession oldSession = legacySupport.getSession();

  legacySupport.setSession(mavenSession);
  try {
    runnable.run();
  }
  finally {
    legacySupport.setSession(oldSession);
  }
}
 

import org.apache.maven.Maven; //导入依赖的package包/类
private void checkSupport() {
  Properties properties = new Properties();

  try (InputStream in = Maven.class.getResourceAsStream("/META-INF/maven/org.apache.maven/maven-core/pom.properties")) {
    if (in != null) {
      properties.load(in);
    }
  } catch (IOException e) {
    log.error("Unable determine maven version, deploy at end might fail", e);
    return;
  }

  String mavenVersion = properties.getProperty("version");
  if (mavenVersion != null) {
    int c = new DefaultArtifactVersion(mavenVersion).compareTo(new DefaultArtifactVersion("3.3.1"));
    if (c < 0) {
      throw new IllegalStateException("Deploy-at-end is not supported on maven versions <3.3.1");
    }
  } else {
    log.error("Unable determine maven version, deploy at end might fail");
  }
}
 

import org.apache.maven.Maven; //导入依赖的package包/类
/**
 * replacement for MavenProject.getParent() which has bad long term memory behaviour. We offset it by recalculating/reparsing everything
 * therefore should not be used lightly!
 * pass a MavenProject instance and current configuration and other settings will be applied when loading the parent.
 * @param project
 * @return null or the parent mavenproject
 */

public MavenProject loadParentOf(MavenEmbedder embedder, MavenProject project) throws ProjectBuildingException {

    MavenProject parent = null;
    ProjectBuilder builder = embedder.lookupComponent(ProjectBuilder.class);
    MavenExecutionRequest req = embedder.createMavenExecutionRequest();
    M2Configuration active = configProvider.getActiveConfiguration();
    req.addActiveProfiles(active.getActivatedProfiles());
    req.setNoSnapshotUpdates(true);
    req.setUpdateSnapshots(false);
    req.setInteractiveMode(false);
    req.setRecursive(false);
    req.setOffline(true);
    //#238800 important to merge, not replace
    Properties uprops = req.getUserProperties();
    uprops.putAll(MavenProjectCache.createUserPropsForProjectLoading(active.getProperties()));
    req.setUserProperties(uprops);
    
    ProjectBuildingRequest request = req.getProjectBuildingRequest();
    request.setRemoteRepositories(project.getRemoteArtifactRepositories());
    DefaultMaven maven = (DefaultMaven) embedder.lookupComponent(Maven.class);
    
    request.setRepositorySession(maven.newRepositorySession(req));

    if (project.getParentFile() != null) {
        parent = builder.build(project.getParentFile(), request).getProject();
    } else if (project.getModel().getParent() != null) {
        parent = builder.build(project.getParentArtifact(), request).getProject();
    }
    //clear the project building request, it references multiple Maven Models via the RepositorySession cache
    //is not used in maven itself, most likely used by m2e only..
    if (parent != null) {
        parent.setProjectBuildingRequest(null);
    }
    MavenEmbedder.normalizePaths(parent);
    return parent;
}
 

import org.apache.maven.Maven; //导入依赖的package包/类
static List<ModelProblem> runMavenValidationImpl(final File pom) {
    //TODO profiles based on current configuration??
    MavenEmbedder embedder = EmbedderFactory.getProjectEmbedder();
    MavenExecutionRequest meReq = embedder.createMavenExecutionRequest();
    ProjectBuildingRequest req = meReq.getProjectBuildingRequest();
    req.setValidationLevel(ModelBuildingRequest.VALIDATION_LEVEL_MAVEN_3_1); // currently enables just <reporting> warning
    req.setLocalRepository(embedder.getLocalRepository());
    List<ArtifactRepository> remoteRepos = RepositoryPreferences.getInstance().remoteRepositories(embedder);
    req.setRemoteRepositories(remoteRepos);
    req.setRepositorySession(((DefaultMaven) embedder.lookupComponent(Maven.class)).newRepositorySession(meReq));
    List<ModelProblem> problems;
    try {
        problems = embedder.lookupComponent(ProjectBuilder.class).build(pom, req).getProblems();
    } catch (ProjectBuildingException x) {
        problems = new ArrayList<ModelProblem>();
        List<ProjectBuildingResult> results = x.getResults();
        if (results != null) { //one code point throwing ProjectBuildingException contains results,
            for (ProjectBuildingResult result : results) {
                problems.addAll(result.getProblems());
            }
        } else {
            // another code point throwing ProjectBuildingException doesn't contain results..
            Throwable cause = x.getCause();
            if (cause instanceof ModelBuildingException) {
                problems.addAll(((ModelBuildingException) cause).getProblems());
            }
        }
    }
    return problems;
}
 

import org.apache.maven.Maven; //导入依赖的package包/类
MavenEmbedder(EmbedderConfiguration configuration) throws ComponentLookupException {
    embedderConfiguration = configuration;
    plexus = configuration.getContainer();
    this.maven = (DefaultMaven) plexus.lookup(Maven.class);
    this.projectBuilder = plexus.lookup(ProjectBuilder.class);
    this.repositorySystem = plexus.lookup(RepositorySystem.class);
    this.settingsBuilder = plexus.lookup(SettingsBuilder.class);
    this.populator = plexus.lookup(MavenExecutionRequestPopulator.class);
    settingsDecrypter = plexus.lookup(SettingsDecrypter.class);
}
 

import org.apache.maven.Maven; //导入依赖的package包/类
static List<ModelProblem> runMavenValidationImpl(final File pom) {
    MavenEmbedder embedder = EmbedderFactory.getProjectEmbedder();
    MavenExecutionRequest meReq = embedder.createMavenExecutionRequest();
    ProjectBuildingRequest req = meReq.getProjectBuildingRequest();
    req.setValidationLevel(ModelBuildingRequest.VALIDATION_LEVEL_MAVEN_3_0); // 3.1 currently enables just <reporting> warning, see issue 223562 for details on why it's bad to show.
    req.setLocalRepository(embedder.getLocalRepository());
    List<ArtifactRepository> remoteRepos = RepositoryPreferences.getInstance().remoteRepositories(embedder);
    req.setRemoteRepositories(remoteRepos);
    req.setRepositorySession(((DefaultMaven) embedder.lookupComponent(Maven.class)).newRepositorySession(meReq));
    List<ModelProblem> problems;
    try {
        problems = embedder.lookupComponent(ProjectBuilder.class).build(pom, req).getProblems();
    } catch (ProjectBuildingException x) {
        problems = new ArrayList<ModelProblem>();
        List<ProjectBuildingResult> results = x.getResults();
        if (results != null) { //one code point throwing ProjectBuildingException contains results,
            for (ProjectBuildingResult result : results) {
                problems.addAll(result.getProblems());
            }
        } else {
            // another code point throwing ProjectBuildingException doesn't contain results..
            Throwable cause = x.getCause();
            if (cause instanceof ModelBuildingException) {
                problems.addAll(((ModelBuildingException) cause).getProblems());
            }
        }
    }
    List<ModelProblem> toRet = new LinkedList<ModelProblem>();
    for (ModelProblem problem : problems) {
        if(ModelUtils.checkByCLIMavenValidationLevel(problem)) {
            toRet.add(problem);
        }
    }
    return toRet;
}
 

import org.apache.maven.Maven; //导入依赖的package包/类
protected MavenSession newMavenSession() {
    try {
        MavenExecutionRequest request = new DefaultMavenExecutionRequest();
        MavenExecutionResult result = new DefaultMavenExecutionResult();

        // populate sensible defaults, including repository basedir and remote repos
        MavenExecutionRequestPopulator populator;
        populator = getContainer().lookup( MavenExecutionRequestPopulator.class );
        populator.populateDefaults( request );

        // this is needed to allow java profiles to get resolved; i.e. avoid during project builds:
        // [ERROR] Failed to determine Java version for profile java-1.5-detected @ org.apache.commons:commons-parent:22, /Users/alex/.m2/repository/org/apache/commons/commons-parent/22/commons-parent-22.pom, line 909, column 14
        request.setSystemProperties( System.getProperties() );
        
        // and this is needed so that the repo session in the maven session 
        // has a repo manager, and it points at the local repo
        // (cf MavenRepositorySystemUtils.newSession() which is what is otherwise done)
        DefaultMaven maven = (DefaultMaven) getContainer().lookup( Maven.class );
        DefaultRepositorySystemSession repoSession =
            (DefaultRepositorySystemSession) maven.newRepositorySession( request );
        repoSession.setLocalRepositoryManager(
            new SimpleLocalRepositoryManagerFactory().newInstance(repoSession, 
                new LocalRepository( request.getLocalRepository().getBasedir() ) ));

        @SuppressWarnings("deprecation")
        MavenSession session = new MavenSession( getContainer(), 
            repoSession,
            request, result );
        return session;
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}
 

import org.apache.maven.Maven; //导入依赖的package包/类
private MavenExecutionResult doExecute(@NotNull final File file,
                                       @NotNull final List<String> activeProfiles,
                                       @NotNull final List<String> inactiveProfiles,
                                       @NotNull final List<String> goals,
                                       @NotNull final List<String> selectedProjects,
                                       boolean alsoMake,
                                       boolean alsoMakeDependents) throws RemoteException {
  MavenExecutionRequest request = createRequest(file, activeProfiles, inactiveProfiles, goals);

  if (!selectedProjects.isEmpty()) {
    request.setRecursive(true);
    request.setSelectedProjects(selectedProjects);
    if (alsoMake && alsoMakeDependents) {
      request.setMakeBehavior(ReactorManager.MAKE_BOTH_MODE);
    }
    else if (alsoMake) {
      request.setMakeBehavior(ReactorManager.MAKE_MODE);
    }
    else if (alsoMakeDependents) {
      request.setMakeBehavior(ReactorManager.MAKE_DEPENDENTS_MODE);
    }
  }

  Maven maven = getComponent(Maven.class);
  org.apache.maven.execution.MavenExecutionResult executionResult = maven.execute(request);

  return new MavenExecutionResult(executionResult.getProject(), filterExceptions(executionResult.getExceptions()));
}
 

import org.apache.maven.Maven; //导入依赖的package包/类
@Override
public void execute() throws MojoExecutionException, MojoFailureException {

  try {
    String version = getLocalVersion(getClass().getClassLoader(), GROUP_ID, ARTIFACT_ID);
    if (version == null) {
      log.debug("Could not determine {}:{} version, skipping update check", GROUP_ID, ARTIFACT_ID);
      return; // TODO generate maven pom.properties inside m2e
    }

    Preferences preferences = Preferences.userRoot().node(GROUP_ID.replace('.', '/')).node(ARTIFACT_ID).node(version.toString());
    final long timestamp = System.currentTimeMillis();
    if (timestamp - preferences.getLong(UPDATE_CHECK_TIMESTAMP_PREF, 0) < ONE_WEEK_MS) {
      // only check for update once a week
      return;
    }

    preferences.putLong(UPDATE_CHECK_TIMESTAMP_PREF, timestamp);
    preferences.flush();

    String mavenVersion = getLocalVersion(Maven.class.getClassLoader(), "org.apache.maven", "maven-core");
    String javaVersion = System.getProperty("java.version");

    // doing url encoding correctly is apparently hard in java https://github.com/google/guava/issues/1756
    String query = String.format("m=%s&j=%s", mavenVersion, javaVersion);
    URLConnection conn = new URL(REMOTE_URL + "?" + query).openConnection();
    conn.addRequestProperty("User-Agent", "takari-lifecycle/" + version.toString());
    conn.setConnectTimeout(UPDATE_TIMEOUT_MS);
    conn.setReadTimeout(UPDATE_TIMEOUT_MS);

    try (InputStream is = conn.getInputStream()) {
      String latestVersion = getVersion(is);
      if (latestVersion != null && new DefaultArtifactVersion(version).compareTo(new DefaultArtifactVersion(latestVersion)) < 0) {
        log.warn("Takari Lifecycle version {} is outdated, consider upgrade to {}", version, latestVersion);
      }
    }
  } catch (IOException | BackingStoreException ignored) {
    // this is a just courtesy to the user, no need to break the build
  }
}
 

import org.apache.maven.Maven; //导入依赖的package包/类
public PrintStreamLogger( Provider provider )
{
    super( Logger.LEVEL_INFO, Maven.class.getName() );

    if ( provider == null )
    {
        throw new IllegalArgumentException( "output stream provider missing" );
    }
    this.provider = provider;
}
 

import org.apache.maven.Maven; //导入依赖的package包/类
protected MavenSession newMavenSession() {
    try {
        MavenExecutionRequest request = new DefaultMavenExecutionRequest();
        MavenExecutionResult result = new DefaultMavenExecutionResult();

        // populate sensible defaults, including repository basedir and remote repos
        MavenExecutionRequestPopulator populator;
        populator = getContainer().lookup(MavenExecutionRequestPopulator.class);
        populator.populateDefaults(request);

        // this is needed to allow java profiles to get resolved; i.e. avoid during project builds:
        // [ERROR] Failed to determine Java version for profile java-1.5-detected @ org.apache.commons:commons-parent:22, /Users/alex/.m2/repository/org/apache/commons/commons-parent/22/commons-parent-22.pom, line 909, column 14
        request.setSystemProperties(System.getProperties());

        // and this is needed so that the repo session in the maven session
        // has a repo manager, and it points at the local repo
        // (cf MavenRepositorySystemUtils.newSession() which is what is otherwise done)
        DefaultMaven maven = (DefaultMaven) getContainer().lookup(Maven.class);
        DefaultRepositorySystemSession repoSession =
                (DefaultRepositorySystemSession) maven.newRepositorySession(request);
        repoSession.setLocalRepositoryManager(
                new SimpleLocalRepositoryManagerFactory().newInstance(repoSession,
                        new LocalRepository(request.getLocalRepository().getBasedir())));

        @SuppressWarnings("deprecation")
        MavenSession session = new MavenSession(getContainer(),
                repoSession,
                request, result);
        return session;
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}
 

import org.apache.maven.Maven; //导入依赖的package包/类
@Override
public MavenArtifact resolveArtifact(
    MavenArtifactKey artifactKey, List<MavenRemoteRepository> repositories)
    throws RemoteException {
  Artifact artifact =
      getMavenComponent(ArtifactFactory.class)
          .createArtifactWithClassifier(
              artifactKey.getGroupId(),
              artifactKey.getArtifactId(),
              artifactKey.getVersion(),
              artifactKey.getPackaging(),
              artifactKey.getClassifier());

  List<ArtifactRepository> repos = new ArrayList<>();
  ArtifactRepositoryFactory factory = getMavenComponent(ArtifactRepositoryFactory.class);
  for (MavenRemoteRepository repository : repositories) {
    try {
      ArtifactRepository artifactRepository =
          ProjectUtils.buildArtifactRepository(
              MavenModelUtil.convertToMavenRepository(repository), factory, container);
      repos.add(artifactRepository);
    } catch (InvalidRepositoryException e) {
      MavenServerContext.getLogger().error(e);
    }
  }

  MavenExecutionRequest request =
      newMavenRequest(
          null, Collections.emptyList(), Collections.emptyList(), Collections.emptyList());
  repos.forEach(request::addRemoteRepository);

  DefaultMaven maven = (DefaultMaven) getMavenComponent(Maven.class);
  RepositorySystemSession repositorySystemSession = maven.newRepositorySession(request);

  org.eclipse.aether.impl.ArtifactResolver artifactResolver =
      getMavenComponent(org.eclipse.aether.impl.ArtifactResolver.class);
  InternalLoggerFactory loggerFactory = new InternalLoggerFactory();
  if (artifactResolver instanceof DefaultArtifactResolver) {
    ((DefaultArtifactResolver) artifactResolver).setLoggerFactory(loggerFactory);
  }

  org.eclipse.aether.RepositorySystem repositorySystem =
      getMavenComponent(org.eclipse.aether.RepositorySystem.class);
  if (repositorySystem instanceof DefaultRepositorySystem) {
    ((DefaultRepositorySystem) repositorySystem).setLoggerFactory(loggerFactory);
  }

  List<RemoteRepository> remoteRepositories =
      RepositoryUtils.toRepos(request.getRemoteRepositories());
  remoteRepositories =
      repositorySystem.newResolutionRepositories(repositorySystemSession, remoteRepositories);

  try {
    ArtifactResult artifactResult =
        repositorySystem.resolveArtifact(
            repositorySystemSession,
            new ArtifactRequest(RepositoryUtils.toArtifact(artifact), remoteRepositories, null));
    return MavenModelUtil.convertArtifact(
        RepositoryUtils.toArtifact(artifactResult.getArtifact()), localRepository);
  } catch (ArtifactResolutionException ignored) {
    // we need ignore exception, it's some times has class that client doesn't has
    // .printStackTrace() may be solution, but it will spam wsagent logs
  }
  return MavenModelUtil.convertArtifact(artifact, localRepository);
}
 

import org.apache.maven.Maven; //导入依赖的package包/类
public E lookupConfiguredMojo(File pom, String goal, TestDB testDb) throws Exception {

		// Mojoテストリソースディレクトリのパスをシステムプロパティに設定しておく
//		System.setProperty("MojoTestRoot", getMojoTestRoot());

		// 各ＤＢの接続情報をシステムプロパティへマージする
		Properties prop = new Properties();
		prop.load(new FileInputStream(new File(Thread.currentThread().getContextClassLoader().getResource("jdbc_test.properties").getPath())));
		System.getProperties().putAll(prop);

		// Maven実行リクエスト初期化
		MavenExecutionRequest executionRequest = new DefaultMavenExecutionRequest();

		// テスト用のsettingファイルで初期化
//		File settings = new File(this.getClass().getResource("settings.xml").getPath());
		File settings = new File(Thread.currentThread().getContextClassLoader().getResource("settings.xml").getPath());
		MavenExecutionRequestPopulator populator = getContainer().lookup(MavenExecutionRequestPopulator.class);
		MavenSettingsBuilder mb = this.lookup(MavenSettingsBuilder.class);
		Settings st = mb.buildSettings(settings);
		populator.populateFromSettings(executionRequest, st);

		// カレントディレクトリをセット
		executionRequest.setBaseDirectory(pom.getParentFile());

		// プロファイルを指定DBのプロファイルにセット
		executionRequest.setActiveProfiles(Collections.singletonList(testDb.name()));

		// ローカルリポジトリオブジェクトのセット
		String localRepoPath = this.getClass().getResource("testLocalRepo").toURI().toURL().toString();
		executionRequest.setLocalRepository(new MavenArtifactRepository(RepositorySystem.DEFAULT_LOCAL_REPO_ID,
				localRepoPath, new DefaultRepositoryLayout(),
				new ArtifactRepositoryPolicy(), new ArtifactRepositoryPolicy()));

		// 実行プロジェクトを作成
		ProjectBuildingRequest buildingRequest = executionRequest.getProjectBuildingRequest();
		DefaultMaven maven = (DefaultMaven) getContainer().lookup(Maven.class);
		DefaultRepositorySystemSession repoSession = (DefaultRepositorySystemSession) maven
				.newRepositorySession(executionRequest);
		repoSession.setOffline(true);
		buildingRequest.setRepositorySession(repoSession);
		ProjectBuilder projectBuilder = this.lookup(ProjectBuilder.class);
		MavenProject project = projectBuilder.build(pom, buildingRequest).getProject();

		currentMavenExecutionRequest = executionRequest;

		// 指定ゴールを持つMojoを取得
		Mojo mojo = this.lookupConfiguredMojo(project, goal);

		currentProject = project;
		return (E) mojo;
	}