org.jboss.forge.arquillian.maven.MavenModelResolver.java Source code

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Here is the source code for org.jboss.forge.arquillian.maven.MavenModelResolver.java

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/*
 * Copyright 2013 Red Hat, Inc. and/or its affiliates.
 *
 * Licensed under the Eclipse Public License version 1.0, available at
 * http://www.eclipse.org/legal/epl-v10.html
 */

package org.jboss.forge.arquillian.maven;

import java.io.File;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Set;

import org.apache.maven.model.Parent;
import org.apache.maven.model.Repository;
import org.apache.maven.model.building.FileModelSource;
import org.apache.maven.model.building.ModelSource;
import org.apache.maven.model.resolution.InvalidRepositoryException;
import org.apache.maven.model.resolution.ModelResolver;
import org.apache.maven.model.resolution.UnresolvableModelException;
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.repository.RemoteRepository;
import org.eclipse.aether.resolution.ArtifactRequest;
import org.eclipse.aether.resolution.ArtifactResolutionException;

public class MavenModelResolver implements ModelResolver {

    private final List<RemoteRepository> repositories;
    private final Set<String> repositoryIds;

    private final RepositorySystem system;
    private final RepositorySystemSession session;

    /**
     * Creates a new Maven repository resolver. This resolver uses service available to Maven to create an artifact
     * resolution chain
     *
     * @param system the Maven based implementation of the {@link RepositorySystem}
     * @param session the current Maven execution session
     * @param remoteRepositories the list of available Maven repositories
     */
    public MavenModelResolver(RepositorySystem system, RepositorySystemSession session,
            List<RemoteRepository> remoteRepositories) {
        this.system = system;
        this.session = session;

        // RemoteRepository is mutable
        this.repositories = new ArrayList<RemoteRepository>(remoteRepositories.size());
        for (final RemoteRepository remoteRepository : remoteRepositories) {
            this.repositories.add(new RemoteRepository.Builder(remoteRepository).build());
        }
        this.repositoryIds = new HashSet<String>(repositories.size());

        for (final RemoteRepository repository : repositories) {
            repositoryIds.add(repository.getId());
        }
    }

    /**
     * Cloning constructor
     *
     * @param origin
     */
    private MavenModelResolver(MavenModelResolver origin) {
        this(origin.system, origin.session, origin.repositories);
    }

    /*
     * (non-Javadoc)
     *
     * @see org.apache.maven.model.resolution.ModelResolver#addRepository(org.apache.maven.model.Repository)
     */
    @Override
    public void addRepository(Repository repository) throws InvalidRepositoryException {
        if (repositoryIds.contains(repository.getId())) {
            return;
        }

        repositoryIds.add(repository.getId());
        repositories.add(new RemoteRepository.Builder(repository.getId(), repository.getName(), repository.getUrl())
                .build());
    }

    /*
     * (non-Javadoc)
     *
     * @see org.apache.maven.model.resolution.ModelResolver#newCopy()
     */
    @Override
    public ModelResolver newCopy() {
        return new MavenModelResolver(this);
    }

    /*
     * (non-Javadoc)
     *
     * @see org.apache.maven.model.resolution.ModelResolver#resolveModel(java.lang.String, java.lang.String,
     * java.lang.String)
     */
    @Override
    public ModelSource resolveModel(String groupId, String artifactId, String version)
            throws UnresolvableModelException {
        Artifact pomArtifact = new DefaultArtifact(groupId, artifactId, "", "pom", version);
        try {
            final ArtifactRequest request = new ArtifactRequest(pomArtifact, repositories, null);
            pomArtifact = system.resolveArtifact(session, request).getArtifact();

        } catch (ArtifactResolutionException e) {
            throw new UnresolvableModelException("Failed to resolve POM for " + groupId + ":" + artifactId + ":"
                    + version + " due to " + e.getMessage(), groupId, artifactId, version, e);
        }

        final File pomFile = pomArtifact.getFile();

        return new FileModelSource(pomFile);

    }

    public ModelSource resolveModel(Parent parent) throws UnresolvableModelException {
        // FIXME: Support version range. See DefaultModelResolver
        return resolveModel(parent.getGroupId(), parent.getArtifactId(), parent.getVersion());
    }

    @Override
    public void addRepository(final Repository repository, boolean replace) throws InvalidRepositoryException {
        if (session.isIgnoreArtifactDescriptorRepositories()) {
            return;
        }

        if (!repositoryIds.add(repository.getId())) {
            if (!replace) {
                return;
            }

            removeMatchingRepository(repository.getId());
        }
        repositories.add(new RemoteRepository.Builder(repository.getId(), repository.getName(), repository.getUrl())
                .build());
    }

    private void removeMatchingRepository(final String id) {
        Iterator<RemoteRepository> iterator = repositories.iterator();
        while (iterator.hasNext()) {
            RemoteRepository remoteRepository = iterator.next();
            if (remoteRepository.getId().equals(id)) {
                iterator.remove();
            }
        }
    }

}