nonNull(id, "id");
        return usedTypes.computeIfAbsent(id, i -> {
            Type type = types.get(id);
            if (type == null) {
                // Copy data as the ArtifactHandler is not immutable, but Type should be.
                ArtifactHandler handler = manager.getArtifactHandler(id);
                type = new DefaultType(
                        id,

 * under the License.
 */
package org.apache.maven.repository;

import org.apache.maven.artifact.handler.ArtifactHandler;

/**
 * Assists unit testing.
 *
 */
@Deprecated
class TestArtifactHandler implements ArtifactHandler {

    private String type;

    private String extension;

    public TestArtifactHandler(String type) {
        this(type, type);
    }

 */
package org.apache.maven.project.artifact;

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

import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.handler.ArtifactHandler;
import org.apache.maven.artifact.metadata.ArtifactMetadata;
import org.apache.maven.artifact.repository.ArtifactRepository;
import org.apache.maven.artifact.resolver.filter.ArtifactFilter;

import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.Optional;
import java.util.stream.Collectors;

import org.apache.maven.artifact.handler.ArtifactHandler;
import org.apache.maven.artifact.handler.DefaultArtifactHandler;
import org.apache.maven.artifact.handler.manager.ArtifactHandlerManager;
import org.apache.maven.artifact.repository.ArtifactRepository;

import javax.inject.Inject;
import javax.inject.Named;
import javax.inject.Singleton;

import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.DefaultArtifact;
import org.apache.maven.artifact.handler.ArtifactHandler;
import org.apache.maven.artifact.handler.manager.ArtifactHandlerManager;
import org.apache.maven.artifact.versioning.VersionRange;

/**
 * DefaultArtifactFactory
 *
 */
@Named
@Singleton

 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.artifact.handler;

public class ArtifactHandlerMock implements ArtifactHandler {

    private String extension, directory, classifier, packaging, language;
    private boolean includesDependencies, addedToClasspath;

    public void setExtension(String extension) {

 * under the License.
 */
package org.apache.maven.artifact.handler;

import static java.util.Objects.requireNonNull;

/**
 */
public class DefaultArtifactHandler implements ArtifactHandler {
    private final String type;

    private String extension;

    private String classifier;

    private String directory;

    private String packaging;

import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.DefaultArtifact;
import org.apache.maven.artifact.InvalidRepositoryException;
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;