ArtifactHandler handler = allHandlers.get(type);
        if (handler == null) {
            handler = artifactHandlers.get(type);
            if (handler == null) {
                handler = new DefaultArtifactHandler(type);
            } else {
                allHandlers.put(type, handler);
            }
        }
        return handler;
    }

                ArtifactHandler handler = manager.getArtifactHandler(id);
                type = new DefaultType(
                        id,
                        languageRegistry.require(handler.getLanguage()),
                        handler.getExtension(),
                        handler.getClassifier(),
                        handler.isIncludesDependencies(),
                        JavaPathType.CLASSES,

t.handler.ArtifactHandler zip org.apache.maven.artifact.handler.DefaultArtifactHandl jar zip java false org.apache.maven.artifact.handler.ArtifactHandler test-jar org.apache.maven.artifact.handler.DefaultArtifactHandl tests jar test-jar jar java true org.apache.maven.artifact.handler.ArtifactHandler maven-plugin org.apache.maven.artifact.handler.DefaultArtifactHandl maven-plugin jar java true org.apache.maven.artifact.handler.ArtifactHandler pom org.apache.maven.artifact.handler.DefaultArtifactHandl...

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

    public void setResolvedVersion(String version) {
        artifact.setResolvedVersion(version);
    }

    /** {@inheritDoc} */
    public void setArtifactHandler(ArtifactHandler handler) {
        artifact.setArtifactHandler(handler);
    }

    /** {@inheritDoc} */
    public String toString() {
        return "active project artifact[artifact: " + artifact + ", project: " + project + "]";
    }

public interface RepositorySystemSessionFactory {
    /**
     * Creates "ready to use" session builder instance. The factory does not set up one thing: the
     * {@link org.eclipse.aether.repository.WorkspaceReader}s, that is caller duty to figure out. Workspace readers
     * should be set up as very last thing before using resolver session, that is built by invoking
     * {@link SessionBuilder#build()} method.
     *

         * processes one artifact at a time and hence cannot associate the artifacts from the same project to use the
         * same version index. Allowing the caller to pass in metadata from a previous deployment allows to re-establish
         * the association between the artifacts of the same project.
         */

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

import java.io.File;
import java.util.*;

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;

    }

    // TODO let the scope handler deal with this
    private static boolean isCompilePathElement(final String scope) {
        return Artifact.SCOPE_COMPILE.equals(scope)
                || Artifact.SCOPE_PROVIDED.equals(scope)
                || Artifact.SCOPE_SYSTEM.equals(scope);
    }

    // TODO let the scope handler deal with this

import org.apache.maven.api.services.ProjectBuilder;
import org.apache.maven.api.services.ProjectBuilderRequest;
import org.apache.maven.api.services.SettingsBuilder;
import org.apache.maven.artifact.handler.manager.ArtifactHandlerManager;
import org.apache.maven.bridge.MavenRepositorySystem;
import org.apache.maven.execution.DefaultMavenExecutionRequest;
import org.apache.maven.execution.DefaultMavenExecutionResult;