*/
package org.apache.maven.plugin;

import java.util.List;

import org.apache.maven.model.Plugin;
import org.apache.maven.plugin.descriptor.PluginDescriptor;
import org.eclipse.aether.RepositorySystemSession;
import org.eclipse.aether.repository.RemoteRepository;

/**
 * Caches raw plugin descriptors. A raw plugin descriptor is a descriptor that has just been extracted from the plugin

import java.util.List;

import org.apache.maven.execution.MavenSession;
import org.apache.maven.model.Plugin;
import org.apache.maven.plugin.BuildPluginManager;
import org.apache.maven.plugin.MojoExecution;
import org.apache.maven.plugin.descriptor.MojoDescriptor;
import org.apache.maven.plugin.descriptor.PluginDescriptor;
import org.codehaus.plexus.classworlds.realm.ClassRealm;
import org.eclipse.aether.RepositorySystemSession;

 */
package org.apache.maven.plugin;

import org.apache.maven.model.Plugin;

/**
 */
public class PluginDescriptorParsingException extends Exception {

    public PluginDescriptorParsingException(Plugin plugin, String descriptorLocation, Throwable e) {
        super(createMessage(plugin, descriptorLocation, e), e);
    }

    private static String createMessage(Plugin plugin, String descriptorLocation, Throwable e) {

    // USED BY REMOTE RESOURCES PLUGIN, DEPENDENCY PLUGIN, SHADE PLUGIN
    @Deprecated
    void resolve(Artifact artifact, List<ArtifactRepository> remoteRepositories, ArtifactRepository localRepository)
            throws ArtifactResolutionException, ArtifactNotFoundException;

    // USED BY REMOTE RESOURCES PLUGIN
    @Deprecated
    void resolve(
            Artifact artifact,

import org.apache.maven.model.InputSource;
import org.apache.maven.model.Plugin;
import org.apache.maven.plugin.InvalidPluginDescriptorException;
import org.apache.maven.plugin.MojoExecution;
import org.apache.maven.plugin.MojoNotFoundException;
import org.apache.maven.plugin.PluginDescriptorParsingException;
import org.apache.maven.plugin.PluginNotFoundException;
import org.apache.maven.plugin.PluginResolutionException;

        this.plugin = plugin;
    }

    public PluginNotFoundException(Plugin plugin, List<ArtifactRepository> remoteRepositories) {
        super(
                "Plugin could not be found, please check its coordinates for typos and ensure the required"
                        + " plugin repositories are defined in the POM",
                plugin.getGroupId(),
                plugin.getArtifactId(),

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

import java.util.List;
import java.util.stream.Collectors;

import org.apache.maven.model.Plugin;

/**
 * Exception occurring trying to resolve a plugin.
 *
 */
public class PluginResolutionException extends Exception {

    private final Plugin plugin;

    public PluginResolutionException(Plugin plugin, Throwable cause) {
        super(

        private final List<RemoteRepository> repositories;

        private final int hashCode;

        CacheKey(Plugin plugin, List<RemoteRepository> repositories, RepositorySystemSession session) {
            groupId = plugin.getGroupId();
            artifactId = plugin.getArtifactId();
            version = plugin.getVersion();

            workspace = RepositoryUtils.getWorkspace(session);

import org.apache.maven.plugin.BuildPluginManager;
import org.apache.maven.plugin.InvalidPluginDescriptorException;
import org.apache.maven.plugin.MojoExecution;
import org.apache.maven.plugin.MojoNotFoundException;
import org.apache.maven.plugin.PluginDescriptorParsingException;
import org.apache.maven.plugin.PluginNotFoundException;
import org.apache.maven.plugin.PluginResolutionException;

/**
 * Tests {@code Plugin}.
 *
 */
class PluginTest {

    @Test
    void testHashCodeNullSafe() {
        new Plugin().hashCode();
    }

    @Test
    void testEqualsNullSafe() {
        assertFalse(new Plugin().equals(null));

        new Plugin().equals(new Plugin());
    }

    @Test
    void testEqualsIdentity() {
        Plugin thing = new Plugin();