@Target(ElementType.TYPE)
@Inherited
public @interface Mojo {
    /**
     * goal name (required).
     * @return the goal name
     */
    @Nonnull
    String name();

    /**
     * default phase to bind your mojo.
     * @return the default phase
     */
    @Nonnull
    String defaultPhase() default "";

    /**
     * does your mojo requires a project to be executed?
     * @return requires a project

import org.apache.maven.project.MavenProject;

/**
 * <p>
 * A MojoExecutionConfigurator is responsible for creating the configuration for Mojo based on configuration for a Mojo
 * in the MavenProject and the default configuration for the Mojo from the containing plugin's plugin.xml descriptor.
 * </p>
 * <strong>Note:</strong> This interface is part of work in progress and can be changed or removed without notice.

class ValidatingConfigurationListener implements ConfigurationListener {
    private final Object mojo;

    private final ConfigurationListener delegate;

    private final Map<String, Parameter> missingParameters;

    ValidatingConfigurationListener(Object mojo, MojoDescriptor mojoDescriptor, ConfigurationListener delegate) {
        this.mojo = mojo;
        this.delegate = delegate;
        this.missingParameters = new HashMap<>();

    /**
     * Looks up the mojo for the specified mojo execution and populates its parameters from the configuration given by
     * the mojo execution. The mojo/plugin descriptor associated with the mojo execution provides the class realm to
     * look up the mojo from. <strong>Warning:</strong> The returned mojo instance must be released via

        if (mojos != null) {
            for (int i = 0; i < mojos.size(); i++) {
                LifecycleMojo mojo = mojos.get(i);

                // Compute goal coordinates
                String groupId, artifactId, version, goal;
                String[] p = mojo.getGoal().trim().split(":");
                if (p.length == 3) {
                    // <groupId>:<artifactId>:<goal>

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

import org.apache.maven.plugin.MojoFailureException;

/**
 * Exception which occurs when a normal (i.e. non-aggregator) mojo fails to
 * execute. In this case, the mojo failed while executing against a particular
 * project instance, so we can wrap the {@link MojoFailureException} with context
 * information including projectId that caused the failure.
 *
 *
 */

     */
    void reportPluginValidationIssue(
            IssueLocality locality, MavenSession mavenSession, MojoDescriptor mojoDescriptor, String issue);

    /**
     * Reports plugin Mojo issues applicable to the Mojo itself.
     * <p>
     * This method will record extra information as well, like plugin occurrence or declaration location.
     */
    void reportPluginMojoValidationIssue(
            IssueLocality locality,

                LifecycleMojo mojo = mojos.get(i);

                GoalSpec gs = parseGoalSpec(mojo.getGoal());

                if (gs == null) {
                    logger.warn(
                            "Ignored invalid goal specification '{}' from lifecycle mapping for phase {}",
                            mojo.getGoal(),
                            phase);
                    continue;

import static java.lang.annotation.ElementType.TYPE;
import static java.lang.annotation.RetentionPolicy.RUNTIME;

/**
 * Indicates that the annotated bean has a lifespan limited to a given mojo execution,
 * which means each mojo execution will result in a different instance being injected.
 *
 * TODO: this is currently not implemented
 *
 * @since 4.0.0
 */
@Scope
@Documented
@Retention(RUNTIME)

            "executedProject",
            "localRepository",
            "mojo",
            "mojoExecution",
            "plugin",
            "project",
            "reactorProjects",
            "session",
            "settings");

    private static final List<String> IGNORED_PROPERTY_PREFIX =
            Arrays.asList("mojo.", "pom.", "plugin.", "project.", "session.", "settings.");