From 228c3d3939f505e362ab7e040321754ddfc7a8d8 Mon Sep 17 00:00:00 2001
From: Martin Lippert <mlippert@pivotal.io>
Date: Mon, 21 Jan 2019 17:39:12 +0100
Subject: [PATCH] added missing pieces to register boot ls for general xml file
 usage and get notified for changes to xml files

---
 .../org.springframework.tooling.boot.ls/plugin.xml  |  4 ++++
 .../boot/ls/DelegatingStreamConnectionProvider.java |  1 +
 .../ls/eclipse/commons/STS4LanguageClientImpl.java  | 13 +++++++++++--
 .../ide/vscode/commons/util/FileObserver.java       |  1 -
 .../vscode/boot/java/utils/SpringSymbolIndex.java   |  7 +++++++
 5 files changed, 23 insertions(+), 3 deletions(-)

diff --git a/eclipse-language-servers/org.springframework.tooling.boot.ls/plugin.xml b/eclipse-language-servers/org.springframework.tooling.boot.ls/plugin.xml
index 6e01405b7..9a2ff4c42 100644
--- a/eclipse-language-servers/org.springframework.tooling.boot.ls/plugin.xml
+++ b/eclipse-language-servers/org.springframework.tooling.boot.ls/plugin.xml
@@ -14,6 +14,10 @@
             contentType="org.eclipse.jdt.core.javaSource"
             id="org.eclipse.languageserver.languages.springboot">
       </contentTypeMapping>
+      <contentTypeMapping
+            contentType="org.eclipse.core.runtime.xml"
+            id="org.eclipse.languageserver.languages.springboot">
+      </contentTypeMapping>
       <contentTypeMapping
             contentType="org.springframework.boot.ide.properties.application.properties"
             id="org.eclipse.languageserver.languages.springboot"
diff --git a/eclipse-language-servers/org.springframework.tooling.boot.ls/src/org/springframework/tooling/boot/ls/DelegatingStreamConnectionProvider.java b/eclipse-language-servers/org.springframework.tooling.boot.ls/src/org/springframework/tooling/boot/ls/DelegatingStreamConnectionProvider.java
index 60e5da12d..4925b3608 100644
--- a/eclipse-language-servers/org.springframework.tooling.boot.ls/src/org/springframework/tooling/boot/ls/DelegatingStreamConnectionProvider.java
+++ b/eclipse-language-servers/org.springframework.tooling.boot.ls/src/org/springframework/tooling/boot/ls/DelegatingStreamConnectionProvider.java
@@ -120,6 +120,7 @@ public class DelegatingStreamConnectionProvider implements StreamConnectionProvi
 				// Add resource listener
 				ResourcesPlugin.getWorkspace().addResourceChangeListener(fResourceListener = new ResourceListener(languageServer, Arrays.asList(
 						FileSystems.getDefault().getPathMatcher("glob:**/pom.xml"),
+						FileSystems.getDefault().getPathMatcher("glob:**/*.xml"),
 						FileSystems.getDefault().getPathMatcher("glob:**/*.gradle"),
 						FileSystems.getDefault().getPathMatcher("glob:**/*.java"),
 						FileSystems.getDefault().getPathMatcher("glob:**/*.json"),
diff --git a/eclipse-language-servers/org.springframework.tooling.ls.eclipse.commons/src/org/springframework/tooling/ls/eclipse/commons/STS4LanguageClientImpl.java b/eclipse-language-servers/org.springframework.tooling.ls.eclipse.commons/src/org/springframework/tooling/ls/eclipse/commons/STS4LanguageClientImpl.java
index 40239b2bb..ae0ebb408 100644
--- a/eclipse-language-servers/org.springframework.tooling.ls.eclipse.commons/src/org/springframework/tooling/ls/eclipse/commons/STS4LanguageClientImpl.java
+++ b/eclipse-language-servers/org.springframework.tooling.ls.eclipse.commons/src/org/springframework/tooling/ls/eclipse/commons/STS4LanguageClientImpl.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2017, 2018 Pivotal, Inc.
+ * Copyright (c) 2017, 2019 Pivotal, Inc.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
@@ -190,8 +190,17 @@ public class STS4LanguageClientImpl extends LanguageClientImpl implements STS4La
 		}
 	}
 
-	@SuppressWarnings("unchecked")
 	private static void addBootRangeHighlightSupport(IEditorPart editor, ISourceViewer sourceViewer) {
+		if (editor instanceof AbstractDecoratedTextEditor) {
+			addBootRangeHighlightSupport((AbstractDecoratedTextEditor)editor, sourceViewer);
+		}
+//		else if () {
+//			// TODO: XML multi page editor handling for highlight support of XML source editor
+//		}
+	}
+
+	@SuppressWarnings("unchecked")
+	private static void addBootRangeHighlightSupport(AbstractDecoratedTextEditor editor, ISourceViewer sourceViewer) {
 		try {
 			Field f = AbstractDecoratedTextEditor.class.getDeclaredField("fSourceViewerDecorationSupport");
 			f.setAccessible(true);
diff --git a/headless-services/commons/commons-util/src/main/java/org/springframework/ide/vscode/commons/util/FileObserver.java b/headless-services/commons/commons-util/src/main/java/org/springframework/ide/vscode/commons/util/FileObserver.java
index e3e441684..df1b200aa 100644
--- a/headless-services/commons/commons-util/src/main/java/org/springframework/ide/vscode/commons/util/FileObserver.java
+++ b/headless-services/commons/commons-util/src/main/java/org/springframework/ide/vscode/commons/util/FileObserver.java
@@ -10,7 +10,6 @@
  *******************************************************************************/
 package org.springframework.ide.vscode.commons.util;
 
-import java.io.File;
 import java.util.List;
 import java.util.function.Consumer;
 
diff --git a/headless-services/spring-boot-language-server/src/main/java/org/springframework/ide/vscode/boot/java/utils/SpringSymbolIndex.java b/headless-services/spring-boot-language-server/src/main/java/org/springframework/ide/vscode/boot/java/utils/SpringSymbolIndex.java
index cb31a6eca..54411093e 100644
--- a/headless-services/spring-boot-language-server/src/main/java/org/springframework/ide/vscode/boot/java/utils/SpringSymbolIndex.java
+++ b/headless-services/spring-boot-language-server/src/main/java/org/springframework/ide/vscode/boot/java/utils/SpringSymbolIndex.java
@@ -152,6 +152,9 @@ public class SpringSymbolIndex {
 		getWorkspaceService().getFileObserver().onFileCreated(globPattern, (file) -> {
 			createDocument(new TextDocumentIdentifier(file).getUri());
 		});
+		getWorkspaceService().getFileObserver().onFileChanged(globPattern, (file) -> {
+			updateDocument(new TextDocumentIdentifier(file).getUri(), null);
+		});
 	}
 
 	public void shutdown() {
@@ -259,6 +262,10 @@ public class SpringSymbolIndex {
 					Optional<IJavaProject> maybeProject = projectFinder.find(new TextDocumentIdentifier(docURI));
 					if (maybeProject.isPresent()) {
 						try {
+							if (content == null) {
+								content = FileUtils.readFileToString(new File(new URI(docURI)));
+							}
+
 							UpdateItem updateItem = new UpdateItem(maybeProject.get(), docURI, content, indexer);
 							futures.add(CompletableFuture.runAsync(updateItem, this.updateQueue));
 						}