Include libs in search for main class for Boot Launch

Author: BoykoAlex

eclipse-extensions/org.springframework.ide.eclipse.boot.dash/src/org/springframework/ide/eclipse/boot/dash/model/BootProjectDashElement.java

@@ -86,7 +86,7 @@ protected Boolean compute() {
 					if (p != null && p.exists()) {
 						IJavaProject jp = JavaCore.create(p);
 						if (jp != null) {
-							IJavaSearchScope searchScope = SearchEngine.createJavaSearchScope(new IJavaElement[]{jp}, IJavaSearchScope.SOURCES);
+							IJavaSearchScope searchScope = SearchEngine.createJavaSearchScope(new IJavaElement[]{jp}, IJavaSearchScope.SOURCES | IJavaSearchScope.APPLICATION_LIBRARIES);
 							MainMethodSearchEngine engine = new MainMethodSearchEngine();
 							IType[] types = null;
 							try {

eclipse-extensions/org.springframework.ide.eclipse.boot.launch/src/org/springframework/ide/eclipse/boot/launch/MainTypeLaunchTabSection.java

@@ -164,7 +164,7 @@ protected void handleSearchButtonSelected() {
 				if (elements == null) {
 					elements = new IJavaElement[]{};
 				}
-				int constraints = IJavaSearchScope.SOURCES;
+				int constraints = IJavaSearchScope.SOURCES | IJavaSearchScope.APPLICATION_LIBRARIES;
 				IJavaSearchScope searchScope = SearchEngine.createJavaSearchScope(elements, constraints);
 				MainMethodSearchEngine engine = new MainMethodSearchEngine();
 				IType[] types = null;

eclipse-language-servers/org.springsource.ide.eclipse.commons.frameworks.core/src/org/springsource/ide/eclipse/commons/frameworks/core/maintype/MainTypeFinder.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2012, 2013 Pivotal Software, Inc.
+ * Copyright (c) 2012, 2025 Pivotal Software, 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
@@ -96,18 +96,20 @@ private MainTypeFinder() {
 		// confidence that they are the types requested. Each confidence itself also has a priority
 		// order, with more authoritative finders listed first.
 		this.algos.put(Confidence.CERTAIN, new IMainTypeFinder[] {
-				// add in order of which is more authoritative
+				// add more here if they should be considered more authorative
+				new FindInPom()
+				// add more here if they should be considered less authorative
 		});
 
 		this.algos.put(Confidence.HIGH, new IMainTypeFinder[] {
 				// add more here if they should be considered more authorative
-				new FindInPom()
+				new FindInSource(),
 				// add more here if they should be considered less authorative
 		});
 
 		this.algos.put(Confidence.LOW, new IMainTypeFinder[] {
 				// add more here if they should be considered more authorative
-				new FindInSource()
+				new FindInLibs()
 				// add more here if they should be considered less authorative
 		});
 
@@ -241,6 +243,33 @@ private boolean isInteresting(IClasspathEntry cpe) {
 			);
 		}
 	}
+	
+	public static class FindInLibs implements IMainTypeFinder {
+		
+		public IType[] findMain(IJavaProject javaProject,
+				IProgressMonitor monitor) throws Exception {
+			monitor.beginTask("Search main types in project source", 1);
+			try {
+
+				MainMethodSearchEngine engine = new MainMethodSearchEngine();
+				IJavaSearchScope scope = SearchEngine.createJavaSearchScope(true, new IJavaElement[] { javaProject }, IJavaSearchScope.APPLICATION_LIBRARIES);
+
+				boolean includeSubtypes = true;
+				IType[] types =  engine
+						.searchMainMethods(monitor, scope, includeSubtypes);
+				if (types == null) {
+					types = EMPTY;
+				}
+				return types;
+			} catch (Exception e) {
+				FrameworkCoreActivator.log(e);
+			} finally {
+				monitor.done();
+			}
+			return EMPTY;
+		}
+
+	}
 
 	/**
 	 * Confidence that a search result for main types in a project is what is expected.