import org.apache.maven.artifact.repository.ArtifactRepository;
import org.apache.maven.bridge.MavenRepositorySystem;
import org.apache.maven.execution.DefaultMavenExecutionRequest;
import org.apache.maven.execution.DefaultMavenExecutionResult;
import org.apache.maven.execution.MavenSession;
import org.apache.maven.internal.impl.DefaultLookup;
import org.apache.maven.internal.impl.DefaultSession;

import org.apache.maven.bridge.MavenRepositorySystem;
import org.apache.maven.execution.DefaultMavenExecutionRequest;
import org.apache.maven.execution.DefaultMavenExecutionResult;
import org.apache.maven.execution.MavenSession;
import org.apache.maven.execution.scope.internal.MojoExecutionScope;
import org.apache.maven.impl.DefaultToolchainManager;
import org.apache.maven.impl.InternalSession;

import javax.inject.Named;
import javax.inject.Singleton;

import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;

import org.apache.maven.execution.ProjectExecutionEvent;
import org.apache.maven.execution.ProjectExecutionListener;

@Named
@Singleton
public class DelegatingProjectExecutionListener implements ProjectExecutionListener {

import org.apache.maven.artifact.repository.ArtifactRepository;
import org.apache.maven.bridge.MavenRepositorySystem;
import org.apache.maven.execution.DefaultMavenExecutionRequest;
import org.apache.maven.execution.DefaultMavenExecutionResult;
import org.apache.maven.execution.MavenExecutionRequest;
import org.apache.maven.execution.MavenSession;
import org.apache.maven.impl.InternalSession;
import org.apache.maven.impl.resolver.MavenSessionBuilderSupplier;

import org.apache.maven.api.services.model.ModelProcessor;
import org.apache.maven.execution.BuildResumptionDataRepository;
import org.apache.maven.execution.MavenExecutionRequest;
import org.apache.maven.execution.MavenSession;
import org.apache.maven.execution.ProjectActivation;
import org.apache.maven.execution.ProjectDependencyGraph;
import org.apache.maven.impl.model.DefaultModelProcessor;

  protected AbstractExecutionThreadService() {}

  /**
   * Start the service. This method is invoked on the execution thread.
   *
   * <p>By default this method does nothing.
   */
  protected void startUp() throws Exception {}

  /**
   * Run the service. This method is invoked on the execution thread. Implementations must respond
   * to stop requests. You could poll for lifecycle changes in a work loop:
   *

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

import java.util.Collection;

import org.apache.maven.execution.MojoExecutionEvent;
import org.apache.maven.execution.MojoExecutionListener;

class CompoundMojoExecutionListener implements MojoExecutionListener {

    private final Collection<MojoExecutionListener> listeners;

   * overridden with an asynchronous implementation when using {@link
   * CacheBuilder#refreshAfterWrite}.
   *
   * <p><b>Note:</b> <i>all exceptions thrown by this method will be logged and then swallowed</i>.
   *
   * @param key the non-null key whose value should be loaded
   * @param oldValue the non-null old value corresponding to {@code key}

        String message;

        if (mojoExecution != null) {
            message = "Execution " + mojoExecution.getExecutionId() + " of goal "
                    + mojoExecution.getMojoDescriptor().getId() + " failed";
        } else {
            message = "Mojo execution failed";
        }

        if (cause != null && cause.getMessage() != null && !cause.getMessage().isEmpty()) {

    // Execution Type Constants
    // ============================================================

    /** Execution type for crawler operations. */
    public static final String EXECUTE_TYPE_CRAWLER = "crawler";

    /** Execution type for thumbnail operations. */
    public static final String EXECUTE_TYPE_THUMBNAIL = "thumbnail";

    /** Execution type for Python script operations. */