// this is insurance.
        temp.deleteOnExit();
      }
      try {
        FileOutputStream transfer = new FileOutputStream(temp);
        transfer.write(memory.getBuffer(), 0, memory.getCount());
        transfer.flush();
        // We've successfully transferred the data; switch to writing to file
        out = transfer;
      } catch (IOException e) {
        temp.delete();
        throw e;
      }

     */
    public static final int TRANSFER_COMPLETED = 2;

    /**
     * A transfer is in progress.
     */
    public static final int TRANSFER_PROGRESS = 3;

    /**
     * An error occurred during transfer
     */
    public static final int TRANSFER_ERROR = 4;

    /**
     * Indicates GET transfer  (from the repository)
     */
    public static final int REQUEST_GET = 5;

    /**

     *
     * @return The of the artifact in bytes or a negative value if unknown.
     */
    long getContentLength();

    /**
     * Gets the timestamp when the transfer of this artifact was started.
     *
     * @return The timestamp when the transfer of this artifact was started.
     */
    long getTransferStartTime();

 */
package org.apache.maven.internal.aether;

import java.io.FileNotFoundException;

import org.eclipse.aether.AbstractRepositoryListener;
import org.eclipse.aether.RepositoryEvent;
import org.eclipse.aether.transfer.MetadataNotFoundException;
import org.slf4j.Logger;

/**
 */
class LoggingRepositoryListener extends AbstractRepositoryListener {

    private final Logger logger;

import org.eclipse.aether.spi.connector.MetadataUpload;
import org.eclipse.aether.spi.connector.RepositoryConnector;
import org.eclipse.aether.transfer.ArtifactNotFoundException;
import org.eclipse.aether.transfer.ArtifactTransferException;
import org.eclipse.aether.transfer.MetadataNotFoundException;
import org.eclipse.aether.transfer.MetadataTransferException;

/**
 */
public class TestRepositoryConnector implements RepositoryConnector {

    }

    /**
     * Check that transfer listeners are properly removed after getArtifact and putArtifact
     */
    @Test
    void testWagonTransferListenerRemovedAfterGetArtifactAndPutArtifact() throws Exception {
        Artifact artifact = createTestArtifact("target/test-data/transfer-listener", "jar");
        ArtifactRepository repo = createStringRepo();

import org.apache.maven.api.services.TransportProvider;
import org.apache.maven.api.services.TransportProviderException;
import org.eclipse.aether.spi.connector.transport.TransporterProvider;
import org.eclipse.aether.transfer.NoTransporterException;

import static java.util.Objects.requireNonNull;

@Named
@Singleton
public class DefaultTransportProvider implements TransportProvider {

import org.eclipse.aether.RepositorySystem;
import org.eclipse.aether.RepositorySystemSession;
import org.eclipse.aether.repository.LocalRepository;
import org.eclipse.aether.repository.RemoteRepository;
import org.eclipse.aether.transfer.TransferListener;
import org.junit.jupiter.api.BeforeEach;
import org.mockito.Mockito;

import static org.codehaus.plexus.testing.PlexusExtension.getTestFile;

@PlexusTest

import org.apache.maven.api.services.TransportProvider;
import org.apache.maven.api.services.TransportProviderException;
import org.eclipse.aether.spi.connector.transport.TransporterProvider;
import org.eclipse.aether.transfer.NoTransporterException;

import static java.util.Objects.requireNonNull;

@Named
@Singleton
public class DefaultTransportProvider implements TransportProvider {

                    } catch (ChecksumFailedException e) {
                        // if we catch a ChecksumFailedException, it means the transfer/read succeeded, but the
                        // checksum doesn't match. This could be a problem with the server (ibiblio HTTP-200 error