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

import java.util.HashMap;
import java.util.Map;

import org.slf4j.event.Level;

/**
 * Responsible for keeping state of whether the threshold of the --fail-on-severity flag has been hit.
 */
public class LogLevelRecorder {
    private static final Map<String, Level> ACCEPTED_LEVELS = new HashMap<>();

    static {

        ChecksumCalculator getCalculator();
    }

    /**
     * The checksum calculator.
     */
    interface ChecksumCalculator {
        /**
         * Updates the checksum algorithm inner state with input.
         *
         * @throws NullPointerException if passed in buffer is {@code null}.
         */
        void update(@Nonnull ByteBuffer input);

        /**

 * Utility for Maven to access Slf4j internals through package access.
 * Use with precaution, since this is not normally intended for production use.
 */
public class MavenSlf4jFriend {
    /**
     * Reset Slf4j internal state.
     */
    public static void reset() {
        LoggerFactory.reset();
    }

import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.assertTrue;

/**
 * Tests that the global settings.xml shipped with the distribution is in good state.
 *
 */
class GlobalSettingsTest {

    @Test
    void testValidGlobalSettings() throws Exception {
        String basedir = System.getProperty("basedir", System.getProperty("user.dir"));

            Map<String, DfsState> stateMap,
            LinkedList<String> cycle) {
        if (children != null) {
            for (String v : children) {
                DfsState state = stateMap.putIfAbsent(v, DfsState.VISITING);
                if (state == null) {
                    cycle.addLast(v);
                    List<String> ret = visitCycle(graph, graph.get(v), stateMap, cycle);
                    if (ret != null) {

                    .collect(Collectors.toList());
        }
    }

    @Benchmark
    public int readWithStax(AdditionState state) throws IOException, XMLStreamException {
        int i = 0;
        for (Path pom : state.poms) {
            try (InputStream is = Files.newInputStream(pom)) {
                MavenStaxReader reader = new MavenStaxReader();

                channel = new RandomAccessFile(touchfile, "rw").getChannel();
                lock = channel.lock();

                if (touchfile.canRead()) {
                    getLogger().debug("Reading resolution-state from: " + touchfile);
                    props.load(Channels.newInputStream(channel));
                }

                props.setProperty(key, Long.toString(System.currentTimeMillis()));

     * parameters that would be required to delegate to a stateless component. Saving the session (in a thread-local
     * variable) is our best effort to record any state that is required to enable proper delegation.
     *
     * @param session The currently active session, may be {@code null}.
     */
    void setSession(MavenSession session);

    /**

 *
 * @since 3.0
 */
// TODO From a concurrency perspective, this class is not good. The combination of mutable/immutable state is not nice
public class DependencyContext {

    private final MavenProject project;

    private final Collection<String> scopesToCollectForCurrentProject;

        throw new UnsupportedOperationException("transformed artifact file cannot be set");
    }

    @Override
    public synchronized File getFile() {
        try {
            String state = mayUpdate();
            if (state == null) {
                return null;
            }
            return target.toFile();
        } catch (IOException | NoSuchAlgorithmException | XMLStreamException | ModelBuildingException e) {