Github user ottobackwards commented on a diff in the pull request: https://github.com/apache/metron/pull/530#discussion_r129827293 --- Diff: bundles-maven-plugin/src/main/java/org/apache/metron/BundleProvidedDependenciesMojo.java --- @@ -0,0 +1,326 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.apache.metron; + +import org.apache.maven.artifact.Artifact; +import org.apache.maven.artifact.handler.ArtifactHandler; +import org.apache.maven.artifact.handler.manager.ArtifactHandlerManager; +import org.apache.maven.artifact.repository.ArtifactRepository; +import org.apache.maven.plugin.AbstractMojo; +import org.apache.maven.plugin.MojoExecutionException; +import org.apache.maven.plugin.MojoFailureException; +import org.apache.maven.plugins.annotations.Component; +import org.apache.maven.plugins.annotations.LifecyclePhase; +import org.apache.maven.plugins.annotations.Mojo; +import org.apache.maven.plugins.annotations.Parameter; +import org.apache.maven.plugins.annotations.ResolutionScope; +import org.apache.maven.project.DefaultProjectBuildingRequest; +import org.apache.maven.project.MavenProject; +import org.apache.maven.project.ProjectBuilder; +import org.apache.maven.project.ProjectBuildingException; +import org.apache.maven.project.ProjectBuildingRequest; +import org.apache.maven.project.ProjectBuildingResult; +import org.apache.maven.shared.dependency.tree.DependencyNode; +import org.apache.maven.shared.dependency.tree.DependencyTreeBuilder; +import org.apache.maven.shared.dependency.tree.DependencyTreeBuilderException; +import org.apache.maven.shared.dependency.tree.traversal.DependencyNodeVisitor; +import org.eclipse.aether.RepositorySystemSession; + +import java.util.ArrayDeque; +import java.util.Deque; +import java.util.HashMap; +import java.util.Map; + +/** + * Generates the listing of dependencies that is provided by the Bundle dependency of the current Bundle. This is important as artifacts that bundle dependencies will + * not project those dependences using the traditional maven dependency plugin. This plugin will override that setting in order to print the dependencies being + * inherited at runtime. + */ +@Mojo(name = "provided-bundle-dependencies", defaultPhase = LifecyclePhase.PACKAGE, threadSafe = false, requiresDependencyResolution = ResolutionScope.RUNTIME) +public class BundleProvidedDependenciesMojo extends AbstractMojo { + + /** + * The Maven project. + */ + @Parameter(defaultValue = "${project}", readonly = true, required = true) + private MavenProject project; + + /** + * The local artifact repository. + */ + @Parameter(defaultValue = "${localRepository}", readonly = true) + private ArtifactRepository localRepository; + + /** + * The {@link RepositorySystemSession} used for obtaining the local and remote artifact repositories. + */ + @Parameter(defaultValue = "${repositorySystemSession}", readonly = true) + private RepositorySystemSession repoSession; + + /** + * If specified, this parameter will cause the dependency tree to be written using the specified format. Currently supported format are: <code>tree</code> + * or <code>pom</code>. + */ + @Parameter(property = "mode", defaultValue = "tree") + private String mode; + + /** + * The type we are using for dependencies, should be nar, but may + * be changed in the configuration if the plugin is producing + * other archive extensions, this is a 'shared' configuration + * with the NarMojo + */ + @Parameter(property = "type", required = false, defaultValue = "bundle") + protected String type; + + /** + * The dependency tree builder to use for verbose output. + */ + @Component + private DependencyTreeBuilder dependencyTreeBuilder; + + /** + * * + * The {@link ArtifactHandlerManager} into which any extension {@link ArtifactHandler} instances should have been injected when the extensions were loaded. + */ + @Component + private ArtifactHandlerManager artifactHandlerManager; + + /** + * The {@link ProjectBuilder} used to generate the {@link MavenProject} for the nar artifact the dependency tree is being generated for. + */ + @Component + private ProjectBuilder projectBuilder; + + /* + * @see org.apache.maven.plugin.Mojo#execute() + */ + @Override + public void execute() throws MojoExecutionException, MojoFailureException { + try { + // find the bundle dependency + Artifact bundleArtifact = null; + for (final Artifact artifact : project.getDependencyArtifacts()) { + if (type.equals(artifact.getType())) { + // ensure the project doesn't have two bundle dependencies + if (bundleArtifact != null) { + throw new MojoExecutionException("Project can only have one NAR dependency."); --- End diff -- done
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