Print registered extensions in framework debug

Currently we print services and components but extensions are useful as well.
eclipse-tycho · Nov 3, 2023 · 6372f97 · 6372f97
1 parent 811d389
commit 6372f97
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Showing 2 changed files with 91 additions and 21 deletions.
diff --git a/sisu-osgi/sisu-osgi-connect/pom.xml b/sisu-osgi/sisu-osgi-connect/pom.xml
@@ -1,14 +1,16 @@
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
-  <modelVersion>4.0.0</modelVersion>
-  <parent>
-    <groupId>org.eclipse.tycho</groupId>
-    <artifactId>sisu-osgi</artifactId>
-    <version>5.0.0-SNAPSHOT</version>
-  </parent>
-  <artifactId>sisu-osgi-connect</artifactId>
-  <name>Sisu Implementation of the OSGi R8 Framework Connect Specification</name>
-
-  <dependencies>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<parent>
+		<groupId>org.eclipse.tycho</groupId>
+		<artifactId>sisu-osgi</artifactId>
+		<version>5.0.0-SNAPSHOT</version>
+	</parent>
+	<artifactId>sisu-osgi-connect</artifactId>
+	<name>Sisu Implementation of the OSGi R8 Framework Connect Specification</name>
+
+	<dependencies>
 		<dependency>
 			<groupId>org.eclipse.tycho</groupId>
 			<artifactId>sisu-osgi-api</artifactId>
@@ -19,13 +21,18 @@
 			<artifactId>org.eclipse.osgi</artifactId>
 		</dependency>
 		<dependency>
-		    <groupId>org.osgi</groupId>
-		    <artifactId>org.osgi.service.component</artifactId>
-		    <version>1.5.1</version>
+			<groupId>org.osgi</groupId>
+			<artifactId>org.osgi.service.component</artifactId>
+			<version>1.5.1</version>
 		</dependency>
 		<dependency>
-		    <groupId>org.eclipse.sisu</groupId>
-		    <artifactId>org.eclipse.sisu.plexus</artifactId>
+			<groupId>org.eclipse.platform</groupId>
+			<artifactId>org.eclipse.equinox.registry</artifactId>
+			<version>3.11.300</version>
+		</dependency>
+		<dependency>
+			<groupId>org.eclipse.sisu</groupId>
+			<artifactId>org.eclipse.sisu.plexus</artifactId>
 		</dependency>
 		<dependency>
 			<groupId>org.codehaus.plexus</groupId>
@@ -35,9 +42,9 @@
 			<groupId>commons-io</groupId>
 			<artifactId>commons-io</artifactId>
 		</dependency>
-  </dependencies>
-  
-  <build>
+	</dependencies>
+
+	<build>
 		<plugins>
 			<plugin>
 				<groupId>org.codehaus.plexus</groupId>

diff --git a/...ect/src/main/java/org/eclipse/sisu/osgi/connect/PlexusFrameworkConnectServiceFactory.java b/...ect/src/main/java/org/eclipse/sisu/osgi/connect/PlexusFrameworkConnectServiceFactory.java
@@ -45,6 +45,10 @@
 import org.codehaus.plexus.personality.plexus.lifecycle.phase.Initializable;
 import org.codehaus.plexus.personality.plexus.lifecycle.phase.InitializationException;
 import org.codehaus.plexus.util.StringUtils;
+import org.eclipse.core.runtime.IConfigurationElement;
+import org.eclipse.core.runtime.IExtension;
+import org.eclipse.core.runtime.IExtensionPoint;
+import org.eclipse.core.runtime.IExtensionRegistry;
 import org.eclipse.sisu.equinox.EquinoxServiceFactory;
 import org.eclipse.sisu.equinox.embedder.EquinoxLifecycleListener;
 import org.osgi.framework.Bundle;
@@ -152,8 +156,8 @@ synchronized PlexusConnectFramework getFramework(ClassRealm realm) throws Bundle
 		for (EquinoxLifecycleListener listener : lifecycleListeners.values()) {
 			connectFramework.debug("Calling " + listener);
 			try {
-			listener.afterFrameworkStarted(connectFramework);
-			} catch(RuntimeException e) {
+				listener.afterFrameworkStarted(connectFramework);
+			} catch (RuntimeException e) {
 				log.warn("Internal error in EquinoxLifecycleListener " + listener, e);
 			}
 		}
@@ -238,6 +242,62 @@ private static Map<String, String> readProperties(ClassLoader classloader, Logge
 
 	private static void printFrameworkState(Framework framework, Logger log) {
 		Bundle[] bundles = printBundles(framework, log);
+		printComponents(framework, log);
+		printExtensions(framework, log);
+		printServices(log, bundles);
+	}
+
+	private static void printExtensions(Framework framework, Logger log) {
+		log.info("============ Extension Registry ==================");
+		ServiceTracker<IExtensionRegistry, IExtensionRegistry> st = new ServiceTracker<>(framework.getBundleContext(),
+				IExtensionRegistry.class, null);
+		st.open(true);
+		try {
+			IExtensionRegistry registry = st.getService();
+			if (registry == null) {
+				log.info("No IExtensionRegistry installed (or started) in this framework");
+				return;
+			}
+			IExtensionPoint[] extensionPoints = registry.getExtensionPoints();
+			for (IExtensionPoint point : extensionPoints) {
+				log.info(point.getUniqueIdentifier() + " [contributed by " + point.getContributor() + "]");
+				for (IExtension extention : point.getExtensions()) {
+					log.info("\t" + extention.getUniqueIdentifier() + " [from " + extention.getContributor().getName()
+							+ "]");
+					for (IConfigurationElement element : extention.getConfigurationElements()) {
+						printConfigElement(element, 2, log);
+					}
+				}
+			}
+		} finally {
+			st.close();
+		}
+	}
+
+
+
+	private static void printConfigElement(IConfigurationElement element, int level, Logger log) {
+		StringBuilder sb = new StringBuilder();
+		sb.append("\t".repeat(level));
+		sb.append(element.getName());
+		for (String attr : element.getAttributeNames()) {
+			sb.append(' ');
+			sb.append(attr);
+			sb.append('=');
+			sb.append(element.getAttribute(attr));
+		}
+		String value = element.getValue();
+		if (value != null) {
+			sb.append(" @value = ");
+			sb.append(value);
+		}
+		log.info(sb.toString());
+		for (IConfigurationElement child : element.getChildren()) {
+			printConfigElement(child, level + 1, log);
+		}
+	}
+
+	private static void printComponents(Framework framework, Logger log) {
 		ServiceTracker<ServiceComponentRuntime, ServiceComponentRuntime> st = new ServiceTracker<>(
 				framework.getBundleContext(), ServiceComponentRuntime.class, null);
 		st.open();
@@ -268,6 +328,9 @@ private static void printFrameworkState(Framework framework, Logger log) {
 		} finally {
 			st.close();
 		}
+	}
+
+	private static void printServices(Logger log, Bundle[] bundles) {
 		log.info("============ Registered Services ==================");
 		Arrays.stream(bundles).map(Bundle::getRegisteredServices).filter(Objects::nonNull).flatMap(Arrays::stream)
 				.forEach(reference -> {