com.github.odavid.maven.plugins.MixinMavenLifecycleParticipant Maven / Gradle / Ivy

Go to download
package com.github.odavid.maven.plugins;

import java.util.List;

import org.apache.maven.AbstractMavenLifecycleParticipant;
import org.apache.maven.MavenExecutionException;
import org.apache.maven.configuration.BeanConfigurationException;
import org.apache.maven.configuration.BeanConfigurationRequest;
import org.apache.maven.configuration.BeanConfigurator;
import org.apache.maven.configuration.DefaultBeanConfigurationRequest;
import org.apache.maven.execution.MavenSession;
import org.apache.maven.model.Plugin;
import org.apache.maven.model.io.xpp3.MavenXpp3Reader;
import org.apache.maven.project.MavenProject;
import org.codehaus.plexus.component.annotations.Component;
import org.codehaus.plexus.component.annotations.Requirement;
import org.codehaus.plexus.logging.Logger;
import org.eclipse.aether.RepositorySystem;

@Component(role = AbstractMavenLifecycleParticipant.class, hint = "MixinMavenLifecycleParticipant")
public class MixinMavenLifecycleParticipant extends AbstractMavenLifecycleParticipant {

	private static final String PLUGIN_GROUPID = "com.github.odavid.maven.plugins";
	private static final String PLUGIN_ARTIFACTID = "mixin-maven-plugin";
	
	private final MavenXpp3Reader mavenXpp3reader = new MavenXpp3Reader();
	private final MixinModelMerger mixinModelMerger = new MixinModelMerger();

	@Requirement
	protected Logger logger;

	@Requirement
	protected RepositorySystem repositorySystem;
	
	@Requirement
	private BeanConfigurator beanConfigurator;

	@Override
	public void afterSessionStart(MavenSession session) throws MavenExecutionException {
	}

	@Override
	public void afterProjectsRead(MavenSession mavenSession) throws MavenExecutionException {
		final MavenProject topLevelProject = mavenSession.getTopLevelProject();
		List modules = topLevelProject.getModules();
		mergeMixins(topLevelProject, mavenSession);
		if (modules != null && modules.size() > 0) {
			for (MavenProject module : mavenSession.getProjects()) {
				if (topLevelProject != module) {
					mergeMixins(module, mavenSession);
				}
			}
		}
	}

	private void mergeMixins(MavenProject currentProject, MavenSession mavenSession) throws MavenExecutionException {
		List plugins = currentProject.getBuildPlugins();
		for (Plugin plugin : plugins) {
			if (plugin.getGroupId().equals(PLUGIN_GROUPID) && plugin.getArtifactId().equals(PLUGIN_ARTIFACTID)) {
				Mixins mixins = loadConfiguration(plugin.getConfiguration());
				for(Mixin mixin: mixins.getMixins()){
					mixin.merge(currentProject, mavenSession, plugin, mixinModelMerger, mavenXpp3reader, repositorySystem);
				}
				break;
			}
		}
	}

	private Mixins loadConfiguration(Object configuration) throws MavenExecutionException {
		Mixins mixins = new Mixins();
		BeanConfigurationRequest request = new DefaultBeanConfigurationRequest();
		request.setBean(mixins);
		request.setConfiguration(configuration, "mixins");
		try {
			beanConfigurator.configureBean(request);
			return mixins;
		} catch (BeanConfigurationException e) {
			throw new MavenExecutionException("Cannot load mixins configuration: " + e.getMessage(), e); 
		}
	}
}