fix: update in project resolver

Author: wenytang-ms

jdtls.ext/com.microsoft.jdtls.ext.core/src/com/microsoft/jdtls/ext/core/parser/ProjectResolver.java

@@ -11,7 +11,6 @@
 import org.eclipse.core.resources.IResourceChangeListener;
 import org.eclipse.core.resources.IResourceDelta;
 import org.eclipse.core.resources.IResourceDeltaVisitor;
-import org.eclipse.core.resources.IWorkspaceRoot;
 import org.eclipse.core.resources.ResourcesPlugin;
 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.IPath;
@@ -25,7 +24,7 @@
 import org.eclipse.jdt.core.JavaCore;
 import org.eclipse.jdt.core.JavaModelException;
 import org.eclipse.jdt.launching.JavaRuntime;
-import org.eclipse.jdt.ls.core.internal.ResourceUtils;
+import org.eclipse.jdt.ls.core.internal.JDTUtils;
 
 import com.microsoft.jdtls.ext.core.JdtlsExtActivator;
 
@@ -214,7 +213,6 @@ private static long calculateClasspathHash(IJavaProject javaProject) {
     private static final String KEY_MODULE_NAME = "moduleName";
     private static final String KEY_TOTAL_LIBRARIES = "totalLibraries";
     private static final String KEY_TOTAL_PROJECT_REFS = "totalProjectReferences";
-    private static final String KEY_JRE_CONTAINER_PATH = "jreContainerPath";
     private static final String KEY_JRE_CONTAINER = "jreContainer";
 
     public static class DependencyInfo {
@@ -242,12 +240,16 @@ public static List<DependencyInfo> resolveProjectDependencies(String fileUri, IP
         List<DependencyInfo> result = new ArrayList<>();
 
         try {
-            IPath fileIPath = ResourceUtils.canonicalFilePathFromURI(fileUri);
+            // Use JDTUtils to convert URI and find the resource
+            java.net.URI uri = JDTUtils.toURI(fileUri);
+            IResource resource = JDTUtils.findResource(uri, 
+                ResourcesPlugin.getWorkspace().getRoot()::findFilesForLocationURI);
 
-            // Find the project
-            IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
-            IProject project = findProjectByPath(root, fileIPath);
+            if (resource == null) {
+                return result;
+            }
 
+            IProject project = resource.getProject();
             if (project == null || !project.isAccessible()) {
                 return result;
             }
@@ -290,36 +292,6 @@ public static List<DependencyInfo> resolveProjectDependencies(String fileUri, IP
         return result;
     }
 
-    /**
-     * Find project by path from all projects in workspace.
-     * The path can be either a project root path or a file/folder path within a project.
-     * This method will find the project that contains the given path.
-     * 
-     * @param root The workspace root
-     * @param filePath The path to search for (can be project root or file within project)
-     * @return The project that contains the path, or null if not found
-     */
-    private static IProject findProjectByPath(IWorkspaceRoot root, IPath filePath) {
-        IProject[] allProjects = root.getProjects();
-        
-        // First pass: check for exact project location match (most efficient)
-        for (IProject p : allProjects) {
-            if (p.getLocation() != null && p.getLocation().equals(filePath)) {
-                return p;
-            }
-        }
-        
-        // Second pass: check if the file path is within any project directory
-        // This handles cases where filePath points to a file or folder inside a project
-        for (IProject p : allProjects) {
-            if (p.getLocation() != null && p.getLocation().isPrefixOf(filePath)) {
-                return p;
-            }
-        }
-        
-        return null;
-    }
-    
     /**
      * Add basic project information including name, location, and Java version settings.
      */