* <ul>
 *   <li>missing metadata</li>
 *   <li>version range violations</li>
 *   <li>version circular dependencies</li>
 *   <li>missing artifacts</li>
 *   <li>network/transfer errors</li>
 *   <li>file system errors: permissions</li>
 * </ul>
 *
 * TODO carlos: all these possible has*Exceptions and get*Exceptions methods make the clients too

        return request.getUserProperties();
    }

    /**
     * Gets the system properties to use for interpolation and profile activation. The system properties are collected
     * from the runtime environment like {@link System#getProperties()} and environment variables.
     *
     * @return The system properties, never {@code null}.
     */
    public Properties getSystemProperties() {

/**
 * Common elements of artifact metadata.
 *
 */
@Deprecated
public abstract class AbstractArtifactMetadata implements ArtifactMetadata {
    private static final String LS = System.lineSeparator();

    protected Artifact artifact;

    protected AbstractArtifactMetadata(Artifact artifact) {
        this.artifact = artifact;
    }

    public boolean storedInGroupDirectory() {

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

/**
 * Describes a resource being uploaded or downloaded by the repository system.
 *
 */
@Deprecated
public interface ArtifactTransferResource {

    /**
     * The base URL of the repository, e.g. "http://repo1.maven.org/maven2/". Unless the URL is unknown, it will be

import org.apache.maven.model.Profile;

/**
 * JdkPrefixProfileActivator
 */
@Deprecated
public class JdkPrefixProfileActivator extends DetectedProfileActivator {
    private static final String JDK_VERSION = System.getProperty("java.version");

    public boolean isActive(Profile profile) throws ProfileActivationException {
        Activation activation = profile.getActivation();

        String jdk = activation.getJdk();

        String requiredJavaVersion = pluginDescriptor.getRequiredJavaVersion();
        if (requiredJavaVersion != null && !requiredJavaVersion.isEmpty()) {
            String currentJavaVersion = System.getProperty("java.version");
            if (!matchesVersion(requiredJavaVersion, currentJavaVersion)) {
                throw new IllegalStateException("Required Java version " + requiredJavaVersion

        MojoExecution exec = newMojoExecution(session);

        Object result =
                new PluginParameterExpressionEvaluatorV4(session, null, exec).evaluate("${mojo.plugin.descriptor}");

        System.out.println("Result: " + result);

        assertSame(
                exec.getPlugin().getDescriptor(),
                result,
                "${mojo.plugin.descriptor} expression does not return plugin descriptor.");

        assertNotNull(set, "No artifacts");
        assertTrue(set.size() > 0, "No Artifacts");

        for (Object aSet : set) {
            Artifact artifact = (Artifact) aSet;
            System.out.println("Artifact: " + artifact.getDependencyConflictId() + " " + artifact.getVersion()
                    + " Scope: " + artifact.getScope());
            assertTrue(

import java.util.ArrayList;
import java.util.List;

import org.apache.maven.execution.MavenSession;
import org.apache.maven.project.MavenProject;

/**
 * Collects basic settings to access the repository system.
 *
 */
public class DefaultRepositoryRequest implements RepositoryRequest {

    private boolean offline;

    private boolean forceUpdate;

    private ArtifactRepository localRepository;

        if (node.isActive()) {
            fireEvent(ResolutionListener.INCLUDE_ARTIFACT, listeners, node);
        }

        // don't pull in the transitive deps of a system-scoped dependency.
        if (node.isActive() && !Artifact.SCOPE_SYSTEM.equals(node.getArtifact().getScope())) {
            fireEvent(ResolutionListener.PROCESS_CHILDREN, listeners, node);

            Artifact parentArtifact = node.getArtifact();