[GitHub] [maven-dependency-plugin] jonvolfson commented on a change in pull request #57: [MDEP-645] Created new mojo GetClassesMojo which lists all class dependencies for a specified artifact.

[GitBox <gi...@apache.org>]

jonvolfson commented on a change in pull request #57:
URL: https://github.com/apache/maven-dependency-plugin/pull/57#discussion_r441029129



##########
File path: src/main/java/org/apache/maven/plugins/dependency/GetClassesMojo.java
##########
@@ -0,0 +1,406 @@
+package org.apache.maven.plugins.dependency;
+
+/*
+ * 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.
+ */
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Enumeration;
+import java.util.List;
+import java.util.Map;
+import java.util.jar.JarEntry;
+import java.util.jar.JarFile;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+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.artifact.repository.ArtifactRepositoryPolicy;
+import org.apache.maven.artifact.repository.MavenArtifactRepository;
+import org.apache.maven.artifact.repository.layout.ArtifactRepositoryLayout;
+import org.apache.maven.execution.MavenSession;
+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.Mojo;
+import org.apache.maven.plugins.annotations.Parameter;
+import org.apache.maven.project.DefaultProjectBuildingRequest;
+import org.apache.maven.project.ProjectBuildingRequest;
+import org.apache.maven.repository.RepositorySystem;
+import org.apache.maven.settings.Settings;
+import org.apache.maven.shared.transfer.artifact.ArtifactCoordinate;
+import org.apache.maven.shared.transfer.artifact.DefaultArtifactCoordinate;
+import org.apache.maven.shared.transfer.artifact.resolve.ArtifactResolver;
+import org.apache.maven.shared.transfer.artifact.resolve.ArtifactResolverException;
+import org.apache.maven.shared.transfer.artifact.resolve.ArtifactResult;
+import org.apache.maven.shared.transfer.dependencies.DefaultDependableCoordinate;
+import org.apache.maven.shared.transfer.dependencies.DependableCoordinate;
+import org.apache.maven.shared.transfer.dependencies.resolve.DependencyResolver;
+import org.apache.maven.shared.transfer.dependencies.resolve.DependencyResolverException;
+import org.codehaus.plexus.util.StringUtils;
+
+
+/**
+ * Retrieves and lists all class dependencies for the specified artifact from the specified remote repositories.
+ */
+@Mojo( name = "get-classes", requiresProject = false, threadSafe = true )
+public class GetClassesMojo
+    extends AbstractMojo
+{
+    private static final Pattern ALT_REPO_SYNTAX_PATTERN = Pattern.compile( "(.+)::(.*)::(.+)" );
+
+    @Parameter( defaultValue = "${session}", required = true, readonly = true )
+    private MavenSession session;
+
+    @Component
+    private ArtifactResolver artifactResolver;
+
+    @Component
+    private DependencyResolver dependencyResolver;
+
+    @Component
+    private ArtifactHandlerManager artifactHandlerManager;
+
+    /**
+     * Map that contains the layouts.
+     */
+    @Component( role = ArtifactRepositoryLayout.class )
+    private Map<String, ArtifactRepositoryLayout> repositoryLayouts;
+
+    /**
+     * The repository system.
+     */
+    @Component
+    private RepositorySystem repositorySystem;
+
+    private DefaultDependableCoordinate coordinate = new DefaultDependableCoordinate();
+
+    /**
+     * The groupId of the artifact to download. Ignored if {@link #artifact} is used.
+     */
+    @Parameter( property = "groupId" )
+    private String groupId;
+
+    /**
+     * The artifactId of the artifact to download. Ignored if {@link #artifact} is used.
+     */
+    @Parameter( property = "artifactId" )
+    private String artifactId;
+
+    /**
+     * The version of the artifact to download. Ignored if {@link #artifact} is used.
+     */
+    @Parameter( property = "version" )
+    private String version;
+
+    /**
+     * The classifier of the artifact to download. Ignored if {@link #artifact} is used.
+     *
+     * @since 2.3
+     */
+    @Parameter( property = "classifier" )
+    private String classifier;
+
+    /**
+     * The packaging of the artifact to download. Ignored if {@link #artifact} is used.
+     */
+    @Parameter( property = "packaging", defaultValue = "jar" )
+    private String packaging = "jar";
+
+    /**
+     * Repositories in the format id::[layout]::url or just url, separated by comma. ie.

Review comment:
       fixed, forgot to comment




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