io.wcm.maven.plugins.contentpackage.ArtifactHelper.java Source code

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Here is the source code for io.wcm.maven.plugins.contentpackage.ArtifactHelper.java

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/*
 * #%L
 * wcm.io
 * %%
 * Copyright (C) 2014 wcm.io
 * %%
 * Licensed 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.
 * #L%
 */
package io.wcm.maven.plugins.contentpackage;

import java.io.File;
import java.util.List;

import org.apache.commons.lang3.StringUtils;
import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.repository.ArtifactRepository;
import org.apache.maven.artifact.resolver.ArtifactResolutionRequest;
import org.apache.maven.artifact.resolver.ArtifactResolutionResult;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugin.MojoFailureException;
import org.apache.maven.repository.RepositorySystem;

class ArtifactHelper {

    private final RepositorySystem repository;
    private final ArtifactRepository localRepository;
    private final java.util.List<ArtifactRepository> remoteRepositories;

    public ArtifactHelper(RepositorySystem repository, ArtifactRepository localRepository,
            List<ArtifactRepository> remoteRepositories) {
        this.repository = repository;
        this.localRepository = localRepository;
        this.remoteRepositories = remoteRepositories;
    }

    public File getArtifactFile(final String artifactId, final String groupId, final String version,
            final String packaging, final String artifact) throws MojoFailureException, MojoExecutionException {
        // check if artifact was specified
        if ((StringUtils.isEmpty(artifactId) || StringUtils.isEmpty(groupId) || StringUtils.isEmpty(version))
                && StringUtils.isEmpty(artifact)) {
            return null;
        }

        // split up artifact string
        Artifact artifactObject;
        if (StringUtils.isEmpty(artifactId)) {
            String[] parts = StringUtils.split(artifact, ":");
            if (parts.length < 3 && parts.length > 4) {
                throw new MojoFailureException("Invalid artifact: " + artifact);
            }
            artifactObject = repository.createArtifact(parts[0], parts[1], parts[2],
                    parts.length > 3 ? parts[3] : null);
        } else {
            artifactObject = repository.createArtifact(groupId, artifactId, version, packaging);
        }

        // resolve artifact
        ArtifactResolutionRequest request = new ArtifactResolutionRequest();
        request.setArtifact(artifactObject);
        request.setLocalRepository(localRepository);
        request.setRemoteRepositories(remoteRepositories);
        ArtifactResolutionResult result = repository.resolve(request);
        if (result.isSuccess()) {
            return artifactObject.getFile();
        } else {
            throw new MojoExecutionException("Unable to download artifact: " + artifactObject.toString());
        }
    }

}