refact: remove not-thrown exceptions from throws clauses

eclipse-lsp4e · May 21, 2024 · a27b7a9 · a27b7a9
1 parent 50c0e37
commit a27b7a9
Show file tree

Hide file tree

Showing 8 changed files with 21 additions and 45 deletions.
diff --git a/org.eclipse.lsp4e.test/src/org/eclipse/lsp4e/test/LanguageServerWrapperTest.java b/org.eclipse.lsp4e.test/src/org/eclipse/lsp4e/test/LanguageServerWrapperTest.java
@@ -87,11 +87,7 @@ public void testStopAndActive() throws CoreException, IOException, AssertionErro
 				started.countDown();
 				while (!Thread.interrupted()) {
 					wrapper.stop();
-					try {
-						wrapper.start();
-					} catch (IOException e) {
-						throw new RuntimeException(e);
-					}
+					wrapper.start();
 				}
 			});
 			try {

diff --git a/org.eclipse.lsp4e/src/org/eclipse/lsp4e/LanguageServerWrapper.java b/org.eclipse.lsp4e/src/org/eclipse/lsp4e/LanguageServerWrapper.java
@@ -243,21 +243,18 @@ private List<WorkspaceFolder> getRelevantWorkspaceFolders() {
 	/**
 	 * Starts a language server and triggers initialization. If language server is
 	 * started and active, does nothing. If language server is inactive, restart it.
-	 *
-	 * @throws IOException
 	 */
-	public synchronized void start() throws IOException {
+	public synchronized void start() {
 		start(false);
 	}
 
 	/**
 	 * Restarts a language server. If language server is not started, calling this
 	 * method is the same as calling {@link #start()}.
 	 *
-	 * @throws IOException
 	 * @since 0.18
 	 */
-	public synchronized void restart() throws IOException {
+	public synchronized void restart() {
 		start(true);
 	}
 
@@ -268,9 +265,8 @@ public synchronized void restart() throws IOException {
 	 *
 	 * @param forceRestart
 	 *            whether to restart the language server, even it is not inactive.
-	 * @throws IOException
 	 */
-	private synchronized void start(boolean forceRestart) throws IOException {
+	private synchronized void start(boolean forceRestart) {
 		final var filesToReconnect = new HashMap<URI, IDocument>();
 		if (this.languageServer != null) {
 			if (isActive() && !forceRestart) {
@@ -785,11 +781,7 @@ protected LanguageServer getServer() {
 	 */
 	@NonNull
 	protected CompletableFuture<LanguageServer> getInitializedServer() {
-		try {
-			start();
-		} catch (IOException ex) {
-			LanguageServerPlugin.logError(ex);
-		}
+		start();
 
 		final CompletableFuture<Void> currentInitializeFuture = initializeFuture;
 		if (currentInitializeFuture != null && !currentInitializeFuture.isDone()) {

diff --git a/org.eclipse.lsp4e/src/org/eclipse/lsp4e/LanguageServiceAccessor.java b/org.eclipse.lsp4e/src/org/eclipse/lsp4e/LanguageServiceAccessor.java
@@ -347,17 +347,16 @@ protected static Collection<LanguageServerWrapper> getLSWrappers(@NonNull final
 	 * @param project
 	 * @param serverDefinition
 	 * @return a new or existing {@link LanguageServerWrapper} for the given definition.
-	 * @throws IOException
 	 */
 	@NonNull
 	public static LanguageServerWrapper getLSWrapper(@Nullable IProject project,
-			@NonNull LanguageServerDefinition serverDefinition) throws IOException {
+			@NonNull LanguageServerDefinition serverDefinition) {
 		return getLSWrapper(project, serverDefinition, null);
 	}
 
 	@NonNull
 	private static LanguageServerWrapper getLSWrapper(@Nullable IProject project,
-			@NonNull LanguageServerDefinition serverDefinition, @Nullable IPath initialPath) throws IOException {
+			@NonNull LanguageServerDefinition serverDefinition, @Nullable IPath initialPath) {
 
 		final Predicate<LanguageServerWrapper> serverSelector = wrapper -> wrapper.canOperate(project)
 				&& wrapper.serverDefinition.equals(serverDefinition);
@@ -384,7 +383,7 @@ private static LanguageServerWrapper getLSWrapper(@Nullable IProject project,
 		}
 	}
 
-	public static @NonNull LanguageServerWrapper startLanguageServer(@NonNull LanguageServerDefinition serverDefinition) throws IOException {
+	public static @NonNull LanguageServerWrapper startLanguageServer(@NonNull LanguageServerDefinition serverDefinition) {
 		synchronized (startedServers) {
 			LanguageServerWrapper wrapper = startedServers.stream().filter(w -> w.serverDefinition == serverDefinition).findFirst().orElseGet(() -> {
 				LanguageServerWrapper w = new LanguageServerWrapper(serverDefinition, null);

diff --git a/...clipse.lsp4e/src/org/eclipse/lsp4e/operations/codeactions/CodeActionMarkerResolution.java b/...clipse.lsp4e/src/org/eclipse/lsp4e/operations/codeactions/CodeActionMarkerResolution.java
@@ -12,7 +12,6 @@
  *******************************************************************************/
 package org.eclipse.lsp4e.operations.codeactions;
 
-import java.io.IOException;
 import java.util.Arrays;
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.TimeUnit;
@@ -108,7 +107,7 @@ public void run(IMarker marker) {
 					}
 				}
 			}
-		} catch (ExecutionException | IOException | TimeoutException | InterruptedException ex) {
+		} catch (ExecutionException | TimeoutException | InterruptedException ex) {
 			LanguageServerPlugin.logError(ex);
 		}
 	}

diff --git a/org.eclipse.lsp4e/src/org/eclipse/lsp4e/operations/codeactions/CommandMarkerResolution.java b/org.eclipse.lsp4e/src/org/eclipse/lsp4e/operations/codeactions/CommandMarkerResolution.java
@@ -12,12 +12,9 @@
  *******************************************************************************/
 package org.eclipse.lsp4e.operations.codeactions;
 
-import java.io.IOException;
-
 import org.eclipse.core.resources.IMarker;
 import org.eclipse.core.resources.IResource;
 import org.eclipse.jdt.annotation.NonNull;
-import org.eclipse.lsp4e.LanguageServerPlugin;
 import org.eclipse.lsp4e.LanguageServerWrapper;
 import org.eclipse.lsp4e.LanguageServersRegistry;
 import org.eclipse.lsp4e.LanguageServersRegistry.LanguageServerDefinition;
@@ -59,19 +56,15 @@ public void run(IMarker marker) {
 			return;
 		}
 
-		try {
-			LanguageServerWrapper wrapper = LanguageServiceAccessor.getLSWrapper(resource.getProject(), definition);
-			if (wrapper != null) {
-				ExecuteCommandOptions provider = wrapper.getServerCapabilities().getExecuteCommandProvider();
-				if (provider != null && provider.getCommands().contains(command.getCommand())) {
-					wrapper.execute(ls -> ls.getWorkspaceService()
-							.executeCommand(new ExecuteCommandParams(command.getCommand(), command.getArguments())));
-				} else {
-					CommandExecutor.executeCommandClientSide(command, resource);
-				}
+		LanguageServerWrapper wrapper = LanguageServiceAccessor.getLSWrapper(resource.getProject(), definition);
+		if (wrapper != null) {
+			ExecuteCommandOptions provider = wrapper.getServerCapabilities().getExecuteCommandProvider();
+			if (provider != null && provider.getCommands().contains(command.getCommand())) {
+				wrapper.execute(ls -> ls.getWorkspaceService()
+						.executeCommand(new ExecuteCommandParams(command.getCommand(), command.getArguments())));
+			} else {
+				CommandExecutor.executeCommandClientSide(command, resource);
 			}
-		} catch (IOException ex) {
-			LanguageServerPlugin.logError(ex);
 		}
 	}
 

diff --git a/org.eclipse.lsp4e/src/org/eclipse/lsp4e/operations/diagnostics/LSPDiagnosticsToMarkers.java b/org.eclipse.lsp4e/src/org/eclipse/lsp4e/operations/diagnostics/LSPDiagnosticsToMarkers.java
@@ -100,7 +100,7 @@ public void accept(PublishDiagnosticsParams diagnostics) {
 					.map(ISourceViewer.class::cast)
 					.forEach(sourceViewer -> updateEditorAnnotations(sourceViewer, diagnostics));
 			}
-		} catch (CoreException ex) {
+		} catch (Exception ex) {
 			LanguageServerPlugin.logError(ex);
 		}
 	}
@@ -131,7 +131,7 @@ private void updateEditorAnnotations(@NonNull ISourceViewer sourceViewer, Publis
 		}
 	}
 
-	private WorkspaceJob updateMarkers(PublishDiagnosticsParams diagnostics, IResource resource) throws CoreException {
+	private WorkspaceJob updateMarkers(PublishDiagnosticsParams diagnostics, IResource resource) {
 		WorkspaceJob job = new WorkspaceJob("Update markers from diagnostics") { //$NON-NLS-1$
 			@Override
 			public boolean belongsTo(Object family) {
@@ -288,7 +288,6 @@ private IMarker getExistingMarkerFor(IDocument document, Diagnostic diagnostic,
 			attributes.put(IMarker.CHAR_END, end);
 		}
 
-
 		markerAttributeComputer
 				.ifPresent(c -> c.addMarkerAttributesForDiagnostic(diagnostic, document, resource, attributes));
 

diff --git a/org.eclipse.lsp4e/src/org/eclipse/lsp4e/operations/references/LSFindReferences.java b/org.eclipse.lsp4e/src/org/eclipse/lsp4e/operations/references/LSFindReferences.java
@@ -15,7 +15,6 @@
 
 import org.eclipse.core.commands.ExecutionEvent;
 import org.eclipse.core.commands.IHandler;
-import org.eclipse.jface.text.BadLocationException;
 import org.eclipse.jface.text.IDocument;
 import org.eclipse.jface.text.ITextSelection;
 import org.eclipse.jface.viewers.ISelection;
@@ -42,7 +41,7 @@ protected void execute(ExecutionEvent event, ITextEditor textEditor) {
 				try {
 					final var query = new LSSearchQuery(textSelection.getOffset(), document);
 					HandlerUtil.getActiveShell(event).getDisplay().asyncExec(() -> NewSearchUI.runQueryInBackground(query));
-				} catch (BadLocationException e) {
+				} catch (Exception e) {
 					LanguageServerPlugin.logError(e);
 				}
 			}

diff --git a/org.eclipse.lsp4e/src/org/eclipse/lsp4e/operations/references/LSSearchQuery.java b/org.eclipse.lsp4e/src/org/eclipse/lsp4e/operations/references/LSSearchQuery.java
@@ -66,8 +66,7 @@ public class LSSearchQuery extends FileSearchQuery {
 	 * @param offset
 	 * @param document
 	 */
-	public LSSearchQuery(int offset, @NonNull IDocument document)
-			throws BadLocationException {
+	public LSSearchQuery(int offset, @NonNull IDocument document) {
 		super("", false, false, true, true, null); //$NON-NLS-1$
 		this.document = document;
 		this.offset = offset;