events/TransferEvent.class package org.apache.maven.wagon.events; public synchronized class TransferEvent extends WagonEvent { public static final int TRANSFER_INITIATED = 0; public static final int TRANSFER_STARTED = 1; public static final int TRANSFER_COMPLETED = 2; public static final int TRANSFER_PROGRESS = 3; public static final int TRANSFER_ERROR = 4; public static final int REQUEST_GET = 5; public static final int REQUEST_PUT = 6; private org.apache.maven.wagon.resource.Resource resource;...

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 {

 */
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.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 {

        }

        // Version Range Violation

        if (result.hasVersionRangeViolations()) {
            throw result.getVersionRangeViolation(0);
        }

        // Transfer Error

        if (result.hasErrorArtifactExceptions()) {
            throw result.getErrorArtifactExceptions().get(0);
        }

        if (result.hasMissingArtifacts()) {

                    } 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

     */
    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;

    /**

import org.apache.maven.toolchain.model.ToolchainModel;
import org.codehaus.plexus.logging.Logger;
import org.eclipse.aether.RepositoryCache;
import org.eclipse.aether.repository.WorkspaceReader;
import org.eclipse.aether.transfer.TransferListener;

/**
 */
public interface MavenExecutionRequest {
    // ----------------------------------------------------------------------
    // Logging

        }
    }

    // ------------------------------------------------------------------------
    // Artifact Transfer Mechanism
    // ------------------------------------------------------------------------

    private ArtifactRepository createLocalRepository(MavenExecutionRequest request)

 * <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