Add adapter skeleton to adapt eclipse (maven) project to bnd

Signed-off-by: Christoph Läubrich <[email protected]>

Author: laeubi

org.eclipse.m2e.bnd.ui/.project

@@ -20,6 +20,11 @@
 			<arguments>
 			</arguments>
 		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.pde.ds.core.builder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
 	</buildSpec>
 	<natures>
 		<nature>org.eclipse.pde.PluginNature</nature>

org.eclipse.m2e.bnd.ui/.settings/org.eclipse.pde.ds.annotations.prefs

@@ -0,0 +1,7 @@
+dsVersion=V1_4
+eclipse.preferences.version=1
+enabled=true
+generateBundleActivationPolicyLazy=true
+path=OSGI-INF
+validationErrorLevel=error
+validationErrorLevel.missingImplicitUnbindMethod=error

org.eclipse.m2e.bnd.ui/META-INF/MANIFEST.MF

@@ -3,6 +3,13 @@ Bundle-ManifestVersion: 2
 Bundle-Name: bnd-maven-plugin integration
 Bundle-SymbolicName: org.eclipse.m2e.bnd.ui
 Bundle-Version: 1.0.0.qualifier
+Require-Bundle: org.eclipse.equinox.common,
+ org.eclipse.core.resources,
+ biz.aQute.bndlib,
+ org.eclipse.m2e.core,
+ org.eclipse.m2e.maven.runtime
+Service-Component: OSGI-INF/org.eclipse.m2e.bnd.ui.BndPluginAdapter.xml
 Bundle-Vendor: Eclipse
 Automatic-Module-Name: org.eclipse.m2e.bnd.ui
+Bundle-ActivationPolicy: lazy
 Bundle-RequiredExecutionEnvironment: JavaSE-21

org.eclipse.m2e.bnd.ui/OSGI-INF/.gitignore

@@ -0,0 +1 @@
+/*.xml

org.eclipse.m2e.bnd.ui/build.properties

@@ -1,4 +1,5 @@
 source.. = src/
 output.. = bin/
 bin.includes = META-INF/,\
-               .
+               .,\
+               OSGI-INF/

org.eclipse.m2e.bnd.ui/src/org/eclipse/m2e/bnd/ui/BndPluginAdapter.java

@@ -0,0 +1,49 @@
+package org.eclipse.m2e.bnd.ui;
+
+import java.util.List;
+import java.util.Map;
+
+import org.eclipse.core.resources.IProject;
+import org.eclipse.core.runtime.AdapterTypes;
+import org.eclipse.core.runtime.Adapters;
+import org.eclipse.core.runtime.IAdapterFactory;
+import org.eclipse.m2e.core.lifecyclemapping.model.IPluginExecutionMetadata;
+import org.eclipse.m2e.core.project.IMavenProjectFacade;
+import org.eclipse.m2e.core.project.configurator.MojoExecutionKey;
+import org.osgi.service.component.annotations.Component;
+
+import aQute.bnd.build.Project;
+
+/**
+ * Adapts eclipse projects managed by m2e to bnd projects
+ */
+@Component
+@AdapterTypes(adaptableClass = IProject.class, adapterNames = Project.class)
+public class BndPluginAdapter implements IAdapterFactory{
+
+	@Override
+	public <T> T getAdapter(Object adaptableObject, Class<T> adapterType) {
+		if (adaptableObject instanceof IProject eclipseProject) {
+			IMavenProjectFacade mavenProject = Adapters.adapt(eclipseProject, IMavenProjectFacade.class);
+			if (isRelevantProject(mavenProject)) {
+				System.out.println(eclipseProject.getName() + " uses bnd plugin!");
+			}
+		}
+		return null;
+	}
+
+	private boolean isRelevantProject(IMavenProjectFacade mavenProject) {
+		// TODO cache result inside IProject store
+		if (mavenProject != null) {
+			Map<MojoExecutionKey, List<IPluginExecutionMetadata>> mapping = mavenProject
+					.getMojoExecutionMapping();
+			for (MojoExecutionKey key : mapping.keySet()) {
+				if ("biz.aQute.bnd".equals(key.groupId()) && "bnd-maven-plugin".equals(key.artifactId())) {
+					return true;
+				}
+			}
+		}
+		return false;
+	}
+
+}