* e.g. one of groupId, artifactId, version or type is null.
 */
public class InvalidArtifactRTException extends RuntimeException {

    private final String groupId;
    private final String artifactId;
    private final String version;
    private final String type;
    private final String baseMessage;

    public InvalidArtifactRTException(String groupId, String artifactId, String version, String type, String message) {

    }

    private void validateIdentity() {
        if (empty(groupId)) {
            throw new InvalidArtifactRTException(
                    groupId, artifactId, getVersion(), type, "The groupId cannot be empty.");
        }

        if (artifactId == null) {
            throw new InvalidArtifactRTException(
                    groupId, artifactId, getVersion(), type, "The artifactId cannot be empty.");
        }

import java.util.Collection;
import java.util.Collections;
import java.util.List;

import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.DefaultArtifact;
import org.apache.maven.artifact.InvalidArtifactRTException;
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.api.services.model.ModelBuildingListener;
import org.apache.maven.api.services.model.ModelProcessor;
import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.InvalidArtifactRTException;
import org.apache.maven.artifact.InvalidRepositoryException;
import org.apache.maven.artifact.repository.ArtifactRepository;
import org.apache.maven.bridge.MavenRepositorySystem;