From 5a1434d0f09cf0e2c02e7b05757c592f7ff72319 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christoph=20L=C3=A4ubrich?= <laeubi@laeubi-soft.de>
Date: Mon, 20 Nov 2023 15:49:17 +0100
Subject: [PATCH] Support features / dir bundles / install bundle in
 EclipseApplication

(cherry picked from commit d76d71c0f49ec009b48d0e42ddc5e01e9b413856)
---
 .../osgi/framework/EclipseApplication.java    | 36 ++++++++++++++++++-
 .../framework/EclipseApplicationManager.java  |  2 +-
 .../osgi/framework/EclipseFramework.java      |  8 +++++
 .../tycho/eclipsebuild/EclipseBuildMojo.java  | 15 ++++++--
 4 files changed, 57 insertions(+), 4 deletions(-)

diff --git a/tycho-core/src/main/java/org/eclipse/tycho/osgi/framework/EclipseApplication.java b/tycho-core/src/main/java/org/eclipse/tycho/osgi/framework/EclipseApplication.java
index 6bca6000d9..56015980f1 100644
--- a/tycho-core/src/main/java/org/eclipse/tycho/osgi/framework/EclipseApplication.java
+++ b/tycho-core/src/main/java/org/eclipse/tycho/osgi/framework/EclipseApplication.java
@@ -27,8 +27,10 @@
 import java.util.ServiceLoader;
 import java.util.Set;
 import java.util.function.Predicate;
+import java.util.jar.JarFile;
 
 import org.apache.maven.project.MavenProject;
+import org.codehaus.plexus.archiver.zip.ZipUnArchiver;
 import org.codehaus.plexus.logging.Logger;
 import org.eclipse.equinox.p2.metadata.IInstallableUnit;
 import org.eclipse.equinox.p2.metadata.IRequirement;
@@ -130,12 +132,25 @@ private List<Path> resolveBundles(P2Resolver resolver) {
      */
     public synchronized void addBundle(String bundleSymbolicName) {
         try {
-            resolver.addDependency(ArtifactType.TYPE_INSTALLABLE_UNIT, bundleSymbolicName, "0.0.0");
+            resolver.addDependency(ArtifactType.TYPE_ECLIPSE_PLUGIN, bundleSymbolicName, "0.0.0");
             needResolve = true;
         } catch (IllegalArtifactReferenceException e) {
             throw new TargetPlatformConfigurationException("Can't add API tools requirement", e);
         }
+    }
 
+    /**
+     * Add a feature to the application
+     * 
+     * @param featureId
+     */
+    public synchronized void addFeature(String featureId) {
+        try {
+            resolver.addDependency(ArtifactType.TYPE_ECLIPSE_FEATURE, featureId, "0.0.0");
+            needResolve = true;
+        } catch (IllegalArtifactReferenceException e) {
+            throw new TargetPlatformConfigurationException("Can't add API tools requirement", e);
+        }
     }
 
     /**
@@ -205,6 +220,17 @@ public <T> EclipseFramework startFramework(EclipseWorkspace<T> workspace, List<S
                 //not installed yet...
                 if (Files.isDirectory(bundleFile)) {
                     bundle = systemBundleContext.installBundle(location);
+                } else if (isDirectoryBundly(bundleFile)) {
+                    Path explodePath = workspace.getWorkDir().resolve("exploded").resolve(bundleFile.getFileName());
+                    try {
+                        Files.createDirectories(explodePath);
+                        ZipUnArchiver unArchiver = new ZipUnArchiver(bundleFile.toFile());
+                        unArchiver.setDestDirectory(explodePath.toFile());
+                        unArchiver.extract();
+                    } catch (IOException e) {
+                        throw new BundleException("can't explode bundle " + bundleFile, e);
+                    }
+                    bundle = systemBundleContext.installBundle(explodePath.toUri().toASCIIString());
                 } else {
                     try (InputStream stream = Files.newInputStream(bundleFile)) {
                         bundle = systemBundleContext.installBundle(location, stream);
@@ -222,6 +248,14 @@ public <T> EclipseFramework startFramework(EclipseWorkspace<T> workspace, List<S
         return new EclipseFramework(framework, configuration, this, connector);
     }
 
+    private boolean isDirectoryBundly(Path bundleFile) {
+        try (JarFile jarFile = new JarFile(bundleFile.toFile())) {
+            return "dir".equals(jarFile.getManifest().getMainAttributes().getValue("Eclipse-BundleShape"));
+        } catch (IOException e1) {
+        }
+        return false;
+    }
+
     private void setupLogging(BundleContext bundleContext) {
         LogListener logListener = new LogListener() {
 
diff --git a/tycho-core/src/main/java/org/eclipse/tycho/osgi/framework/EclipseApplicationManager.java b/tycho-core/src/main/java/org/eclipse/tycho/osgi/framework/EclipseApplicationManager.java
index 025431a251..9d3b3e6a62 100644
--- a/tycho-core/src/main/java/org/eclipse/tycho/osgi/framework/EclipseApplicationManager.java
+++ b/tycho-core/src/main/java/org/eclipse/tycho/osgi/framework/EclipseApplicationManager.java
@@ -79,7 +79,7 @@ private void addBundlesAndFeatures(Bundles bundles, Features features, EclipseAp
             application.addBundle(bsn);
         }
         for (String feature : features.features()) {
-            //TODO application.addFeature(feature);
+            application.addFeature(feature);
         }
     }
 
diff --git a/tycho-core/src/main/java/org/eclipse/tycho/osgi/framework/EclipseFramework.java b/tycho-core/src/main/java/org/eclipse/tycho/osgi/framework/EclipseFramework.java
index d8bcf98192..e3d85b2bc7 100644
--- a/tycho-core/src/main/java/org/eclipse/tycho/osgi/framework/EclipseFramework.java
+++ b/tycho-core/src/main/java/org/eclipse/tycho/osgi/framework/EclipseFramework.java
@@ -14,6 +14,8 @@
 
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
+import java.io.File;
+import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.ObjectOutputStream;
 import java.io.Serializable;
@@ -191,4 +193,10 @@ public boolean hasBundle(String bsn) {
         return false;
     }
 
+    public Bundle install(File file) throws IOException, BundleException {
+        try (FileInputStream stream = new FileInputStream(file)) {
+            return framework.getBundleContext().installBundle(file.getAbsolutePath(), stream);
+        }
+    }
+
 }
diff --git a/tycho-eclipse-plugin/src/main/java/org/eclipse/tycho/eclipsebuild/EclipseBuildMojo.java b/tycho-eclipse-plugin/src/main/java/org/eclipse/tycho/eclipsebuild/EclipseBuildMojo.java
index fa90c29f4c..a2ccc685ea 100644
--- a/tycho-eclipse-plugin/src/main/java/org/eclipse/tycho/eclipsebuild/EclipseBuildMojo.java
+++ b/tycho-eclipse-plugin/src/main/java/org/eclipse/tycho/eclipsebuild/EclipseBuildMojo.java
@@ -77,6 +77,9 @@ public class EclipseBuildMojo extends AbstractMojo {
 	@Parameter
 	private List<String> bundles;
 
+	@Parameter
+	private List<String> features;
+
     @Parameter(property = "project", readonly = true)
     private MavenProject project;
 
@@ -101,7 +104,7 @@ public void execute() throws MojoExecutionException, MojoFailureException {
         EclipseApplication application;
         //TODO configureable by parameters!
         Bundles bundles = new Bundles(getBundles());
-        Features features = new Features(Set.of());
+		Features features = new Features(getFeatures());
         if (local) {
             TargetPlatform targetPlatform = projectManager.getTargetPlatform(project).orElseThrow(
                     () -> new MojoFailureException("Can't get target platform for project " + project.getId()));
@@ -145,8 +148,16 @@ public void execute() throws MojoExecutionException, MojoFailureException {
         }
     }
 
+	private Set<String> getFeatures() {
+		Set<String> set = new HashSet<>();
+		if (features != null) {
+			set.addAll(features);
+		}
+		return set;
+	}
+
 	private Set<String> getBundles() {
-		HashSet<String> set = new HashSet<>();
+		Set<String> set = new HashSet<>();
 		set.add("org.eclipse.core.resources");
 		set.add("org.eclipse.core.runtime");
 		set.add("org.eclipse.core.jobs");