aQute.bnd.maven.plugin.BndMavenPackagingPlugin Maven / Gradle / Ivy

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This maven plugin is used to build OSGi bundles using the bnd tool for generating MANIFEST.MF and other OSGi-specific artifacts.

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package aQute.bnd.maven.plugin;

import java.io.File;
import java.util.Optional;

import org.apache.maven.plugins.annotations.LifecyclePhase;
import org.apache.maven.plugins.annotations.Mojo;
import org.apache.maven.plugins.annotations.Parameter;
import org.apache.maven.plugins.annotations.ResolutionScope;

/**
 * Generate OSGi metadata for the target classes and
 * package into a jar.
 * 
 * This goal has the default phase of "package".
 */
@Mojo(name = "jar", defaultPhase = LifecyclePhase.PACKAGE, requiresProject = true, requiresDependencyResolution = ResolutionScope.COMPILE, threadSafe = true)
public class BndMavenPackagingPlugin extends BndMavenPlugin {

	/**
	 * The classifier to use for the generated artifact.
	 */
	@Parameter
	String classifier;

	/**
	 * The directory where this plugin will store the generated artifact.
	 */
	@Parameter(defaultValue = "${project.build.directory}")
	File outputDir;

	@Override
	public Optional getClassifier() {
		return Optional.ofNullable(classifier)
			.map(String::trim)
			.filter(s -> !s.isEmpty());
	}

	@Override
	public Optional getType() {
		return Optional.of("jar");
	}

	@Override
	public File getOutputDir() {
		return outputDir;
	}
}