com.jayway.maven.plugins.android.common.AetherHelper Maven / Gradle / Ivy

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Maven Plugin for Android Development
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package com.jayway.maven.plugins.android.common;

import org.apache.maven.artifact.Artifact;
import org.apache.maven.plugin.MojoExecutionException;
import org.sonatype.aether.RepositorySystemSession;
import org.sonatype.aether.RepositorySystem;
import org.sonatype.aether.repository.RemoteRepository;
import org.sonatype.aether.resolution.ArtifactRequest;
import org.sonatype.aether.resolution.ArtifactResolutionException;
import org.sonatype.aether.resolution.ArtifactResult;
import org.sonatype.aether.util.artifact.DefaultArtifact;

import java.util.List;
import java.util.Set;
import java.util.TreeSet;

/** Helper class to convert between Maven and Aether beans and provide helper methods for resolving artifacts.
 *
 * @author Johan Lindquist
 */
public class AetherHelper {

    /** Converts the specified Maven artifact to a Aether artifact.  This method takes into consideration situations
     * where some of the artifact properties (classifier, etc) are null.
     *
     * @param artifact The Maven artifact to convert
     * @return The resulting Aether artifact
     */
    public static org.sonatype.aether.artifact.Artifact createAetherArtifact(Artifact artifact)
    {
        if (artifact.getClassifier() != null)
        {
            return new DefaultArtifact(artifact.getGroupId(), artifact.getArtifactId(), artifact.getClassifier(), artifact.getType(), artifact.getVersion());
        }
        else
        {
            return new DefaultArtifact(artifact.getGroupId(), artifact.getArtifactId(), artifact.getType(), artifact.getVersion());
        }
    }

   public static Set resolveArtifacts(Set artifacts,
                                           RepositorySystem repositorySystem,
                                           RepositorySystemSession repositorySystemSession,
                                           List repositories) throws MojoExecutionException
   {
        try {

            final TreeSet resolvedArtifacts = new TreeSet();

            for (Artifact artifact : artifacts) {
                final Artifact resolvedArtifact = AetherHelper.resolveArtifact(artifact,repositorySystem, repositorySystemSession, repositories);
                resolvedArtifacts.add(resolvedArtifact);
            }
            return resolvedArtifacts;
        }
        catch (Exception e) {
            throw new MojoExecutionException( "Error resolving dependencies: " + e.getMessage(), e );
        }
    }

    public static Artifact resolveArtifact(Artifact artifact,
                                           RepositorySystem repositorySystem,
                                           RepositorySystemSession repositorySystemSession,
                                           List repositories) throws MojoExecutionException {
        try {
            final ArtifactRequest artifactRequest = new ArtifactRequest();
            org.sonatype.aether.artifact.Artifact aetherArtifact = AetherHelper.createAetherArtifact(artifact);
            artifactRequest.setArtifact(aetherArtifact);
            artifactRequest.setRepositories(repositories);
            final ArtifactResult artifactResult = repositorySystem.resolveArtifact(repositorySystemSession, artifactRequest);

            final org.apache.maven.artifact.DefaultArtifact defaultArtifact = new org.apache.maven.artifact.DefaultArtifact(artifact.getGroupId(), artifact.getArtifactId(), artifact.getVersion(), artifact.getScope(), artifact.getType(), artifact.getClassifier(), artifact.getArtifactHandler());
            defaultArtifact.setFile(artifactResult.getArtifact().getFile());
            return defaultArtifact;
        } catch (ArtifactResolutionException e) {
            throw new MojoExecutionException("Error while resolving artifact: " + e.getMessage(), e);
        }
    }

}