@Override
        public Object key(ReportPlugin plugin) {
            return getReportPluginKey(plugin);
        }
    }

    /**
     * KeyComputer for Plugin
     */
    private class PluginKeyComputer implements KeyComputer<Plugin> {
        @Override
        public Object key(Plugin plugin) {
            return getPluginKey(plugin);
        }
    }

    /**

    <main class="content-wrapper position-relative">
        <iframe class="w-100 h-100 position-absolute" style="border: 0;"
                src="<%=request.getContextPath()%>${serverPath}<%= response.encodeURL("/_plugin/kopf/") %>"
                title="<la:message key="labels.dashboard_plugin" />"></iframe>
    </main>

    <jsp:include page="/WEB-INF/view/common/admin/footer.jsp"></jsp:include>
</div>

         */
        Project,

        /**
         * A class realm for a build extension.
         */
        Extension,

        /**
         * A class realm for a plugin.
         */
        Plugin,
    }

    /**
     * Gets the type of the class realm.
     *
     * @return The type of the class realm, never {@code null}.
     */
    RealmType getType();

    /**

 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.plugin;

/**
 * An exception occurring during the execution of a plugin.<br>
 * Throwing this exception causes a "BUILD ERROR" message to be displayed.
 *
 */
public class MojoExecutionException extends AbstractMojoExecutionException {
    /**

        if (getBuildPlugins() != null) {
            for (Plugin plugin : getBuildPlugins()) {
                if (pluginGroupId.equals(plugin.getGroupId()) && pluginArtifactId.equals(plugin.getArtifactId())) {
                    dom = (Xpp3Dom) plugin.getConfiguration();

                    if (executionId != null) {
                        for (PluginExecution execution : plugin.getExecutions()) {

<project>
  <modelVersion>4.0.0</modelVersion>

  <groupId>org.apache.maven.its.mng5003</groupId>
  <artifactId>mng-5003-plugin-realm-cache</artifactId>
  <version>1.0</version>

        return createParentArtifactX(groupId, artifactId, version);
    }

    // DefaultProjectBuilder
    public Artifact createPluginArtifact(Plugin plugin) {
        VersionRange versionRange;
        try {
            String version = plugin.getVersion();
            if (version == null || version.isEmpty()) {
                version = "RELEASE";
            }

 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.plugin;

/**
 * An exception occurring during the execution of a plugin (such as a compilation failure).<br>
 * Throwing this exception causes a "BUILD FAILURE" message to be displayed.
 *
 */

            this.logger.error(
                    String.format("Invalid version specification '%s' creating plugin artifact '%s'.", version, plugin),
                    e);

            return null;
        }

        return artifactFactory.createPluginArtifact(plugin.getGroupId(), plugin.getArtifactId(), versionRange);
    }

<?xml version="1.0" encoding="UTF-8"?>
<metadata>
  <groupId>org.apache.maven.plugins</groupId>
  <artifactId>maven-jar-plugin</artifactId>
  <version>0.1</version>
  <versioning>
    <latest>0.1</latest>
    <release>0.1</release>
    <versions>
      <version>0.1</version>
    </versions>
    <lastUpdated>20091023232454</lastUpdated>
  </versioning>