* @since 3.1.2
 */
public interface WeakMojoExecutionListener {
    void beforeMojoExecution(MojoExecutionEvent event) throws MojoExecutionException;

    void afterMojoExecutionSuccess(MojoExecutionEvent event) throws MojoExecutionException;

    void afterExecutionFailure(MojoExecutionEvent event);

    }

    /**
     * Construct a new <code>MojoExecutionException</code> exception wrapping an underlying <code>Throwable</code>
     * and providing a <code>message</code>.
     */
    public MojoException(String message, Throwable cause) {
        super(message, cause);
    }

    /**
     * Construct a new <code>MojoExecutionException</code> exception providing a <code>message</code>.
     */

        }
    }

    private String getReference(Throwable exception) {
        String reference = "";

        if (exception != null) {
            if (exception instanceof MojoExecutionException) {
                reference = MojoExecutionException.class.getSimpleName();

                Throwable cause = exception.getCause();
                if (cause instanceof IOException) {
                    cause = cause.getCause();

import org.apache.maven.plugin.InvalidPluginException;
import org.apache.maven.plugin.LegacySupport;
import org.apache.maven.plugin.MavenPluginManager;
import org.apache.maven.plugin.MojoExecution;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugin.MojoFailureException;
import org.apache.maven.plugin.PluginConfigurationException;
import org.apache.maven.plugin.PluginDescriptorParsingException;

import org.apache.maven.plugin.MojoExecutionException;

@Named
@Singleton
public class DelegatingMojoExecutionListener implements MojoExecutionListener {
    private final List<MojoExecutionListener> listeners = new CopyOnWriteArrayList<>();

    public void beforeMojoExecution(MojoExecutionEvent event) throws MojoExecutionException {
        for (MojoExecutionListener listener : listeners) {

 * @since 3.1.2
 */
public interface MojoExecutionListener {
    void beforeMojoExecution(MojoExecutionEvent event) throws MojoExecutionException;

    void afterMojoExecutionSuccess(MojoExecutionEvent event) throws MojoExecutionException;

    void afterExecutionFailure(MojoExecutionEvent event);

    }

    public void beforeMojoExecution(MojoExecutionEvent event) throws MojoExecutionException {
        for (WeakMojoExecutionListener provided : getProvidedListeners()) {
            provided.beforeMojoExecution(event);
        }
    }

    public void afterMojoExecutionSuccess(MojoExecutionEvent event) throws MojoExecutionException {
        for (WeakMojoExecutionListener provided : getProvidedListeners()) {

            @Override
            public void beforeMojoExecution(MojoExecutionEvent event) throws MojoExecutionException {
                beforeExecution.incrementAndGet();
            }

            @Override
            public void afterMojoExecutionSuccess(MojoExecutionEvent event) throws MojoExecutionException {
                afterExecutionSuccess.incrementAndGet();
            }

            @Override

        ConnectException connEx = new ConnectException("Connection refused: connect");
        IOException ioEx = new IOException("Unable to establish loopback connection", connEx);
        MojoExecutionException mojoEx =
                new MojoExecutionException("Error executing Jetty: Unable to establish loopback connection", ioEx);

        ExceptionHandler exceptionHandler = new DefaultExceptionHandler();

    }

    public void beforeMojoExecution(MojoExecutionEvent event) throws MojoExecutionException {
        for (MojoExecutionListener listener : listeners) {
            listener.beforeMojoExecution(event);
        }
    }

    public void afterMojoExecutionSuccess(MojoExecutionEvent event) throws MojoExecutionException {
        for (MojoExecutionListener listener : listeners) {