Correctly declare support for "workspace/willRenameFiles".

- The server capabilities in the initialize response must contain a "willRename" object in the workspace's "fileOperations" object if the client indicates support for the request. Signed-off-by: Roland Grunberg <[email protected]>
eclipse-jdtls · Apr 8, 2024 · d559507 · d559507
1 parent d518f6d
commit d559507
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diff --git a/org.eclipse.jdt.ls.core/src/org/eclipse/jdt/ls/core/internal/handlers/InitHandler.java b/org.eclipse.jdt.ls.core/src/org/eclipse/jdt/ls/core/internal/handlers/InitHandler.java
@@ -52,6 +52,11 @@
 import org.eclipse.lsp4j.DocumentFilter;
 import org.eclipse.lsp4j.DocumentOnTypeFormattingOptions;
 import org.eclipse.lsp4j.ExecuteCommandOptions;
+import org.eclipse.lsp4j.FileOperationFilter;
+import org.eclipse.lsp4j.FileOperationOptions;
+import org.eclipse.lsp4j.FileOperationPattern;
+import org.eclipse.lsp4j.FileOperationPatternKind;
+import org.eclipse.lsp4j.FileOperationsServerCapabilities;
 import org.eclipse.lsp4j.InitializeParams;
 import org.eclipse.lsp4j.InitializeResult;
 import org.eclipse.lsp4j.SaveOptions;
@@ -219,6 +224,15 @@ public void registerCapabilities(InitializeResult initializeResult) {
 		WorkspaceFoldersOptions wsFoldersOptions = new WorkspaceFoldersOptions();
 		wsFoldersOptions.setSupported(Boolean.TRUE);
 		wsFoldersOptions.setChangeNotifications(Boolean.TRUE);
+
+		if (preferenceManager.getClientPreferences().isWorkspaceWillRenameFilesSupported()) {
+			FileOperationsServerCapabilities wsFileOperations = new FileOperationsServerCapabilities();
+			FileOperationPattern fileOpPattern = new FileOperationPattern("**/*.java");
+			fileOpPattern.setMatches(FileOperationPatternKind.File);
+			wsFileOperations.setWillRename(new FileOperationOptions(List.of(new FileOperationFilter(fileOpPattern, "file"))));
+			wsCapabilities.setFileOperations(wsFileOperations);
+		}
+
 		wsCapabilities.setWorkspaceFolders(wsFoldersOptions);
 		capabilities.setWorkspace(wsCapabilities);
 

diff --git a/...lipse.jdt.ls.core/src/org/eclipse/jdt/ls/core/internal/preferences/ClientPreferences.java b/...lipse.jdt.ls.core/src/org/eclipse/jdt/ls/core/internal/preferences/ClientPreferences.java
@@ -65,6 +65,10 @@ public boolean isWorkspaceFoldersSupported() {
 		return capabilities.getWorkspace() != null && isTrue(capabilities.getWorkspace().getWorkspaceFolders());
 	}
 
+	public boolean isWorkspaceWillRenameFilesSupported() {
+		return v3supported && capabilities.getWorkspace() != null && capabilities.getWorkspace().getFileOperations() != null && isTrue(capabilities.getWorkspace().getFileOperations().getWillRename());
+	}
+
 	public boolean isCompletionDynamicRegistered() {
 		return v3supported && isDynamicRegistrationSupported(capabilities.getTextDocument().getCompletion());
 	}

diff --git a/org.eclipse.jdt.ls.tests/src/org/eclipse/jdt/ls/core/internal/handlers/InitHandlerTest.java b/org.eclipse.jdt.ls.tests/src/org/eclipse/jdt/ls/core/internal/handlers/InitHandlerTest.java
@@ -76,6 +76,9 @@
 import org.eclipse.lsp4j.ExecuteCommandOptions;
 import org.eclipse.lsp4j.FileChangeType;
 import org.eclipse.lsp4j.FileEvent;
+import org.eclipse.lsp4j.FileOperationOptions;
+import org.eclipse.lsp4j.FileOperationPatternKind;
+import org.eclipse.lsp4j.FileOperationsServerCapabilities;
 import org.eclipse.lsp4j.FileSystemWatcher;
 import org.eclipse.lsp4j.InitializeParams;
 import org.eclipse.lsp4j.InitializeResult;
@@ -368,6 +371,21 @@ public void testWatchers() throws Exception {
 		assertEquals(newWatchers, watchers);
 	}
 
+	@Test
+	public void testWorkspaceWillRenameFiles() throws Exception {
+		ClientPreferences mockCapabilies = mock(ClientPreferences.class);
+		when(preferenceManager.getClientPreferences()).thenReturn(mockCapabilies);
+		when(mockCapabilies.isWorkspaceWillRenameFilesSupported()).thenReturn(Boolean.TRUE);
+		InitializeResult result = initialize(true);
+		FileOperationsServerCapabilities fileOpSrvCap = result.getCapabilities().getWorkspace().getFileOperations();
+		assertNotNull(fileOpSrvCap);
+		FileOperationOptions fileOpOps = fileOpSrvCap.getWillRename();
+		assertNotNull(fileOpOps);
+		assertEquals("file", fileOpOps.getFilters().get(0).getScheme());
+		assertEquals(FileOperationPatternKind.File, fileOpOps.getFilters().get(0).getPattern().getMatches());
+		assertEquals("**/*.java", fileOpOps.getFilters().get(0).getPattern().getGlob());
+	}
+
 	// https://github.com/redhat-developer/vscode-java/issues/2429
 	@Test
 	public void testSettingsWatchers() throws Exception {