* KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * 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;

     *            ルートディレクトリ。{@literal null}であってはいけません
     * @param handler
     *            クラスを処理するハンドラ。{@literal null}であってはいけません
     */
    public static void forEach(final File rootDir, final ClassHandler handler) {
        assertArgumentNotNull("rootDir", rootDir);
        assertArgumentNotNull("handler", handler);

        forEach(rootDir, null, handler);
    }

    /**
     * ファイルシステムに含まれるクラスをトラバースします。
     *

     * @param handler
     *            使用するSAX {@link DefaultHandler}。{@literal null}であってはいけません
     */
    public static void parse(final SAXParser parser, final InputSource inputSource, final DefaultHandler handler) {
        assertArgumentNotNull("parser", parser);
        assertArgumentNotNull("inputSource", inputSource);
        assertArgumentNotNull("handler", handler);

        try {

        }

        @Override
        public void forEach(final ClassHandler handler) {
            ClassTraversalUtil.forEach(baseDir, rootPackage, handler);
        }

        @Override
        public void forEach(final ResourceHandler handler) {
            ResourceTraversalUtil.forEach(baseDir, rootDir, handler);
        }

        @Override
        public void close() {
        }

    }

            }
            final CorsHandlerFactory factory = ComponentUtil.getCorsHandlerFactory();
            final CorsHandler handler = factory.get(origin);
            if (handler != null) {
                handler.process(origin, request, response);

                if (OPTIONS.equals(httpRequest.getMethod())) {

    }

    // 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

 * created for testing should have Integer node and String edge objects.
 *
 * <p>Test cases that should be handled similarly in any graph implementation are included in this
 * class. For example, testing that {@code nodes()} method returns the set of the nodes in the
 * graph. The following test cases are left for the subclasses to handle:
 *
 * <ul>
 *   <li>Test cases related to whether the graph is directed or undirected.

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

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

import org.apache.maven.artifact.DefaultArtifact;
import org.apache.maven.artifact.handler.ArtifactHandler;
import org.apache.maven.model.Dependency;
import org.apache.maven.model.DependencyManagement;
import org.apache.maven.project.MavenProject;

/**
 * ProjectArtifact
 */

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;

import org.apache.maven.api.model.Plugin;
import org.apache.maven.api.services.ModelBuilderRequest;
import org.apache.maven.api.services.ModelProblemCollector;
import org.apache.maven.api.services.model.*;

/**
 * Handles normalization of a model.
 *
 */
@Named
@Singleton
public class DefaultModelNormalizer implements ModelNormalizer {

    private DuplicateMerger merger = new DuplicateMerger();

    @Override