Add example of extension in regular bundle

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

Author: laeubi

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

@@ -3,3 +3,4 @@ output.. = bin/
 bin.includes = META-INF/,\
                .,\
                OSGI-INF/
+jars.extra.classpath = platform:/plugin/org.eclipse.wildwebdeveloper.xml/language-servers/server/org.eclipse.lemminx-uber.jar

org.eclipse.m2e.bnd.ui/src/org/eclipse/m2e/bnd/ui/lemminx/MyExtension.java

@@ -0,0 +1,21 @@
+package org.eclipse.m2e.bnd.ui.lemminx;
+
+import org.eclipse.lemminx.services.extensions.IXMLExtension;
+import org.eclipse.lemminx.services.extensions.XMLExtensionsRegistry;
+import org.eclipse.lsp4j.InitializeParams;
+
+public class MyExtension implements IXMLExtension {
+
+	@Override
+	public void start(InitializeParams arg0, XMLExtensionsRegistry arg1) {
+		// TODO Auto-generated method stub
+
+	}
+
+	@Override
+	public void stop(XMLExtensionsRegistry arg0) {
+		// TODO Auto-generated method stub
+
+	}
+
+}

org.eclipse.m2e.core/.settings/org.eclipse.pde.ds.annotations.prefs

@@ -1,5 +1,5 @@
 classpath=true
-dsVersion=V1_3
+dsVersion=V1_5
 eclipse.preferences.version=1
 enabled=true
 generateBundleActivationPolicyLazy=true

org.eclipse.m2e.lemminx.bnd/src/main/java/org/eclipse/m2e/lemminx/bnd/BndLemminxPlugin.java

@@ -43,26 +43,32 @@ public void start(InitializeParams params, XMLExtensionsRegistry registry) {
 			@Override
 			public void onAttributeName(boolean arg0, ICompletionRequest arg1, ICompletionResponse arg2,
 					CancelChecker arg3) throws Exception {
+				logger.log(Level.INFO, "onAttributeName");
 			}
 
 			@Override
 			public void onAttributeValue(String arg0, ICompletionRequest arg1, ICompletionResponse arg2,
 					CancelChecker arg3) throws Exception {
+				logger.log(Level.INFO, "onAttributeValue");
 			}
 
 			@Override
 			public void onDTDSystemId(String arg0, ICompletionRequest arg1, ICompletionResponse arg2,
 					CancelChecker arg3) throws Exception {
+				logger.log(Level.INFO, "onDTDSystemId");
 			}
 
 			@Override
 			public void onTagOpen(ICompletionRequest arg0, ICompletionResponse arg1, CancelChecker arg2)
 					throws Exception {
+				logger.log(Level.INFO, "onTagOpen");
 			}
 
 			@Override
 			public void onXMLContent(ICompletionRequest completionRequest, ICompletionResponse response,
 					CancelChecker checker) throws Exception {
+
+				logger.log(Level.INFO, "onXMLContent");
 				try {
 					// FIXME CDATA do not trigger completion:
 					// https://github.com/eclipse/lemminx/issues/1694