refactor: Associate validation, completion, etc with any language

src/main/java/com/redhat/devtools/lsp4ij/LanguageServersRegistry.java

@@ -41,6 +41,7 @@ public abstract static class LanguageServerDefinition {
         enum Scope {
             project, application
         }
+
         private static final int DEFAULT_LAST_DOCUMENTED_DISCONNECTED_TIMEOUT = 5;
 
         public final @Nonnull
@@ -65,7 +66,7 @@ public LanguageServerDefinition(@Nonnull String id, @Nonnull String label, Strin
             this.isSingleton = isSingleton;
             this.lastDocumentDisconnectedTimeout = lastDocumentDisconnectedTimeout != null && lastDocumentDisconnectedTimeout > 0 ? lastDocumentDisconnectedTimeout : DEFAULT_LAST_DOCUMENTED_DISCONNECTED_TIMEOUT;
             this.languageIdMappings = new ConcurrentHashMap<>();
-            this.scope = scope == null || scope.isBlank()? Scope.application : Scope.valueOf(scope);
+            this.scope = scope == null || scope.isBlank() ? Scope.application : Scope.valueOf(scope);
             this.supportsLightEdit = supportsLightEdit;
             setEnabled(true);
         }
@@ -271,7 +272,7 @@ private static class LanguageMapping {
 
         private final DocumentMatcher documentMatcher;
 
-        public LanguageMapping(@NotNull Language language, @Nullable String id, @Nullable String languageId,  @NotNull DocumentMatcher documentMatcher) {
+        public LanguageMapping(@NotNull Language language, @Nullable String id, @Nullable String languageId, @NotNull DocumentMatcher documentMatcher) {
             this.language = language;
             this.id = id;
             this.languageId = languageId;
@@ -290,5 +291,11 @@ public Set<LanguageServerDefinition> getAllDefinitions() {
                 .collect(Collectors.toSet());
     }
 
+    public boolean isLanguageSupported(@NotNull Language language) {
+        return connections
+                .stream()
+                .anyMatch(entry -> language.isKindOf(entry.getKey()));
+    }
+
 }
 

src/main/java/com/redhat/devtools/lsp4ij/AbstractLSPInlayProvider.java → src/main/java/com/redhat/devtools/lsp4ij/operations/AbstractLSPInlayProvider.java

@@ -8,7 +8,7 @@
  * Contributors:
  * Red Hat, Inc. - initial API and implementation
  ******************************************************************************/
-package com.redhat.devtools.lsp4ij;
+package com.redhat.devtools.lsp4ij.operations;
 
 import com.intellij.codeInsight.hints.*;
 import com.intellij.codeInsight.hints.presentation.PresentationFactory;
@@ -25,6 +25,8 @@
 import com.intellij.psi.PsiFile;
 import com.intellij.ui.layout.LCFlags;
 import com.intellij.ui.layout.LayoutKt;
+import com.redhat.devtools.lsp4ij.LSPIJUtils;
+import com.redhat.devtools.lsp4ij.LanguageServersRegistry;
 import com.redhat.devtools.lsp4ij.commands.CommandExecutor;
 import com.redhat.devtools.lsp4ij.internal.CancellationSupport;
 import org.eclipse.lsp4j.Command;
@@ -40,6 +42,15 @@ public abstract class AbstractLSPInlayProvider implements InlayHintsProvider<NoS
 
     private static final Logger LOGGER = LoggerFactory.getLogger(AbstractLSPInlayProvider.class);
 
+    private static final InlayHintsCollector EMPTY_INLAY_HINTS_COLLECTOR = new InlayHintsCollector() {
+
+        @Override
+        public boolean collect(@NotNull PsiElement psiElement, @NotNull Editor editor, @NotNull InlayHintsSink inlayHintsSink) {
+            // Do nothing
+            return true;
+        }
+    };
+
     private final Key<CancellationSupport> cancellationSupportKey;
 
     protected AbstractLSPInlayProvider(Key<CancellationSupport> cancellationSupportKey) {
@@ -55,6 +66,11 @@ public final InlayHintsCollector getCollectorFor(@NotNull PsiFile psiFile,
                                                      @NotNull Editor editor,
                                                      @NotNull NoSettings o,
                                                      @NotNull InlayHintsSink inlayHintsSink) {
+
+        if (!LanguageServersRegistry.getInstance().isLanguageSupported(psiFile.getLanguage())) {
+            return EMPTY_INLAY_HINTS_COLLECTOR;
+        }
+
         CancellationSupport previousCancellationSupport = editor.getUserData(cancellationSupportKey);
         if (previousCancellationSupport != null) {
             previousCancellationSupport.cancel();
@@ -147,7 +163,7 @@ public boolean isLanguageSupported(@NotNull Language language) {
         return true;
     }
 
-    protected void executeClientCommand(Component source, Command command) {
+    protected void executeClientCommand(@NotNull Component source, @NotNull Command command, @NotNull Project project) {
         if (command != null) {
             AnAction action = ActionManager.getInstance().getAction(command.getCommand());
             if (action != null) {

src/main/java/com/redhat/devtools/lsp4ij/operations/codelens/LSPCodelensInlayProvider.java

@@ -21,7 +21,7 @@
 import com.intellij.openapi.util.Key;
 import com.intellij.openapi.util.Pair;
 import com.intellij.openapi.vfs.VirtualFile;
-import com.redhat.devtools.lsp4ij.AbstractLSPInlayProvider;
+import com.redhat.devtools.lsp4ij.operations.AbstractLSPInlayProvider;
 import com.redhat.devtools.lsp4ij.LSPIJUtils;
 import com.redhat.devtools.lsp4ij.LanguageServiceAccessor;
 import com.redhat.devtools.lsp4ij.internal.CancellationSupport;
@@ -148,10 +148,10 @@ private void executeClientCommand(LanguageServer languageServer, CodeLens codeLe
                 Boolean.TRUE.equals(capabilities.getCodeLensProvider().getResolveProvider()))
         ) {
             languageServer.getTextDocumentService().resolveCodeLens(codeLens).thenAcceptAsync(resolvedCodeLens ->
-                    executeClientCommand(source, resolvedCodeLens.getCommand())
+                    executeClientCommand(source, resolvedCodeLens.getCommand(), project)
             );
         } else {
-            executeClientCommand(source, codeLens.getCommand());
+            executeClientCommand(source, codeLens.getCommand(), project);
         }
     }
 

src/main/java/com/redhat/devtools/lsp4ij/operations/completion/LSPCompletionContributor.java

@@ -26,6 +26,7 @@
 import com.intellij.psi.PsiFile;
 import com.redhat.devtools.lsp4ij.LSPIJUtils;
 import com.redhat.devtools.lsp4ij.LanguageServerItem;
+import com.redhat.devtools.lsp4ij.LanguageServersRegistry;
 import com.redhat.devtools.lsp4ij.LanguageServiceAccessor;
 import com.redhat.devtools.lsp4ij.internal.CancellationSupport;
 import com.redhat.devtools.lsp4ij.internal.StringUtils;
@@ -56,6 +57,10 @@ public void fillCompletionVariants(@NotNull CompletionParameters parameters, @No
             return;
         }
 
+        if (!LanguageServersRegistry.getInstance().isLanguageSupported(psiFile.getLanguage())) {
+            return;
+        }
+
         Editor editor = parameters.getEditor();
         Document document = editor.getDocument();
         Project project = psiFile.getProject();

src/main/java/com/redhat/devtools/lsp4ij/operations/diagnostics/LSPDiagnosticAnnotator.java

@@ -25,6 +25,7 @@
 import com.intellij.psi.PsiFile;
 import com.redhat.devtools.lsp4ij.LSPIJUtils;
 import com.redhat.devtools.lsp4ij.LSPVirtualFileData;
+import com.redhat.devtools.lsp4ij.LanguageServersRegistry;
 import com.redhat.devtools.lsp4ij.LanguageServiceAccessor;
 import com.redhat.devtools.lsp4ij.operations.codeactions.LSPLazyCodeActionIntentionAction;
 import org.eclipse.lsp4j.Diagnostic;
@@ -40,19 +41,25 @@
  */
 public class LSPDiagnosticAnnotator extends ExternalAnnotator<Boolean, Boolean> {
 
-	@Nullable
-	@Override
-	public Boolean collectInformation(@NotNull PsiFile file, @NotNull Editor editor, boolean hasErrors) {
-		return Boolean.TRUE;
-	}
-
-	@Override
-	public @Nullable Boolean doAnnotate(Boolean unused) {
+    @Nullable
+    @Override
+    public Boolean collectInformation(@NotNull PsiFile file, @NotNull Editor editor, boolean hasErrors) {
+        if (!LanguageServersRegistry.getInstance().isLanguageSupported(file.getLanguage())) {
+            return Boolean.FALSE;
+        }
         return Boolean.TRUE;
-	}
+    }
 
     @Override
-    public void apply(@NotNull PsiFile file, Boolean unused, @NotNull AnnotationHolder holder) {
+    public @Nullable Boolean doAnnotate(Boolean result) {
+        return result;
+    }
+
+    @Override
+    public void apply(@NotNull PsiFile file, Boolean applyAnnotator, @NotNull AnnotationHolder holder) {
+        if (!applyAnnotator) {
+            return;
+        }
         URI fileUri = LSPIJUtils.toUri(file);
         Document document = LSPIJUtils.getDocument(file.getVirtualFile());
 

src/main/java/com/redhat/devtools/lsp4ij/operations/documentLink/LSPDocumentLinkAnnotator.java

@@ -26,10 +26,7 @@
 import com.intellij.openapi.util.TextRange;
 import com.intellij.openapi.vfs.VirtualFile;
 import com.intellij.psi.PsiFile;
-import com.redhat.devtools.lsp4ij.LSPIJUtils;
-import com.redhat.devtools.lsp4ij.LSPVirtualFileData;
-import com.redhat.devtools.lsp4ij.LanguageServerWrapper;
-import com.redhat.devtools.lsp4ij.LanguageServiceAccessor;
+import com.redhat.devtools.lsp4ij.*;
 import com.redhat.devtools.lsp4ij.internal.CancellationSupport;
 import org.eclipse.lsp4j.DocumentLink;
 import org.eclipse.lsp4j.DocumentLinkParams;
@@ -40,6 +37,7 @@
 
 import java.net.URI;
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.List;
 import java.util.concurrent.BlockingDeque;
 import java.util.concurrent.CompletableFuture;
@@ -56,10 +54,13 @@ public class LSPDocumentLinkAnnotator extends ExternalAnnotator<List<LSPVirtualF
     @Nullable
     @Override
     public List<LSPVirtualFileData> collectInformation(@NotNull PsiFile psiFile, @NotNull Editor editor, boolean hasErrors) {
+        if (!LanguageServersRegistry.getInstance().isLanguageSupported(psiFile.getLanguage())) {
+            return Collections.emptyList();
+        }
         Document document = editor.getDocument();
         VirtualFile file = LSPIJUtils.getFile(document);
         if (file == null) {
-            return null;
+            return Collections.emptyList();
         }
         List<LSPVirtualFileData> datas = new ArrayList<>();
         final CancellationSupport cancellationSupport = new CancellationSupport();
@@ -110,7 +111,7 @@ public List<LSPVirtualFileData> collectInformation(@NotNull PsiFile psiFile, @No
     }
 
     @Override
-    public void apply(@NotNull PsiFile file, List<LSPVirtualFileData> datas, @NotNull AnnotationHolder holder) {
+    public void apply(@NotNull PsiFile file, @NotNull List<LSPVirtualFileData> datas, @NotNull AnnotationHolder holder) {
         if (datas.isEmpty()) {
             return;
         }

src/main/java/com/redhat/devtools/lsp4ij/operations/documentLink/LSPDocumentLinkGotoDeclarationHandler.java

@@ -24,17 +24,15 @@
 import com.intellij.openapi.vfs.VirtualFile;
 import com.intellij.psi.PsiElement;
 import com.intellij.psi.PsiManager;
-import com.redhat.devtools.lsp4ij.LSPIJUtils;
-import com.redhat.devtools.lsp4ij.LSPVirtualFileData;
-import com.redhat.devtools.lsp4ij.LanguageServerBundle;
-import com.redhat.devtools.lsp4ij.LanguageServiceAccessor;
+import com.redhat.devtools.lsp4ij.*;
 import org.eclipse.lsp4j.DocumentLink;
 import org.jetbrains.annotations.Nullable;
 
 import java.io.IOException;
 import java.net.URI;
 import java.util.ArrayList;
 import java.util.Collection;
+import java.util.Collections;
 
 /**
  * {@link GotoDeclarationHandler} implementation used to open LSP document link with CTrl+Click.
@@ -43,6 +41,9 @@ public class LSPDocumentLinkGotoDeclarationHandler implements GotoDeclarationHan
 
     @Override
     public PsiElement @Nullable [] getGotoDeclarationTargets(@Nullable PsiElement sourceElement, int offset, Editor editor) {
+        if (!LanguageServersRegistry.getInstance().isLanguageSupported(sourceElement.getLanguage())) {
+            return PsiElement.EMPTY_ARRAY;
+        }
         Document document = editor.getDocument();
         VirtualFile file = LSPIJUtils.getFile(document);
         Module module = LSPIJUtils.getModule(file, sourceElement.getProject());

src/main/java/com/redhat/devtools/lsp4ij/operations/documentation/LSPDocumentationProvider.java

@@ -22,6 +22,7 @@
 import com.intellij.psi.PsiManager;
 import com.intellij.util.io.URLUtil;
 import com.redhat.devtools.lsp4ij.LSPIJUtils;
+import com.redhat.devtools.lsp4ij.LanguageServersRegistry;
 import com.redhat.devtools.lsp4ij.operations.completion.LSPCompletionProposal;
 import com.vladsch.flexmark.html.HtmlRenderer;
 import com.vladsch.flexmark.parser.Parser;
@@ -30,6 +31,7 @@
 import org.jetbrains.annotations.Nullable;
 
 import java.awt.*;
+import java.util.Collections;
 import java.util.List;
 import java.util.stream.Collectors;
 
@@ -68,6 +70,9 @@ public String getQuickNavigateInfo(PsiElement element, PsiElement originalElemen
     @Nullable
     @Override
     public String generateDoc(@NotNull PsiElement element, @Nullable PsiElement originalElement) {
+        if (!LanguageServersRegistry.getInstance().isLanguageSupported(originalElement.getLanguage())) {
+            return null;
+        }
         try {
             Project project = element.getProject();
             if (project.isDisposed()) {

src/main/java/com/redhat/devtools/lsp4ij/operations/highlight/LSPHighlightUsagesHandlerFactory.java

@@ -19,8 +19,10 @@
 import com.intellij.openapi.progress.ProgressManager;
 import com.intellij.openapi.util.TextRange;
 import com.intellij.openapi.vfs.VirtualFile;
+import com.intellij.psi.PsiElement;
 import com.intellij.psi.PsiFile;
 import com.redhat.devtools.lsp4ij.LSPIJUtils;
+import com.redhat.devtools.lsp4ij.LanguageServersRegistry;
 import com.redhat.devtools.lsp4ij.LanguageServiceAccessor;
 import com.redhat.devtools.lsp4ij.internal.CancellationSupport;
 import org.eclipse.lsp4j.DocumentHighlight;
@@ -45,6 +47,9 @@ public class LSPHighlightUsagesHandlerFactory implements HighlightUsagesHandlerF
 
     @Override
     public @Nullable HighlightUsagesHandlerBase createHighlightUsagesHandler(@NotNull Editor editor, @NotNull PsiFile file) {
+        if (!LanguageServersRegistry.getInstance().isLanguageSupported(file.getLanguage())) {
+            return null;
+        }
         List<LSPHighlightPsiElement> targets = getTargets(editor, file);
         return targets.isEmpty() ? null : new LSPHighlightUsagesHandler(editor, file, targets);
     }

src/main/java/com/redhat/devtools/lsp4ij/operations/inlayhint/LSPInlayHintInlayProvider.java

@@ -21,7 +21,7 @@
 import com.intellij.openapi.util.Key;
 import com.intellij.openapi.util.Pair;
 import com.intellij.openapi.vfs.VirtualFile;
-import com.redhat.devtools.lsp4ij.AbstractLSPInlayProvider;
+import com.redhat.devtools.lsp4ij.operations.AbstractLSPInlayProvider;
 import com.redhat.devtools.lsp4ij.LSPIJUtils;
 import com.redhat.devtools.lsp4ij.LanguageServiceAccessor;
 import com.redhat.devtools.lsp4ij.internal.CancellationSupport;
@@ -174,10 +174,10 @@ private void executeClientCommand(
             languageServer.getTextDocumentService()
                     .resolveInlayHint(inlayHint)
                     .thenAcceptAsync(resolvedInlayHint -> {
-                        executeClientCommand(source, resolvedInlayHint.getLabel().getRight().get(index).getCommand());
+                        executeClientCommand(source, resolvedInlayHint.getLabel().getRight().get(index).getCommand(), project);
                     });
         } else {
-            executeClientCommand(source, inlayHint.getLabel().getRight().get(index).getCommand());
+            executeClientCommand(source, inlayHint.getLabel().getRight().get(index).getCommand(), project);
         }
     }
 

src/main/java/com/redhat/devtools/lsp4ij/operations/navigation/LSPGotoDeclarationHandler.java

@@ -22,6 +22,7 @@
 import com.intellij.psi.PsiFile;
 import com.intellij.psi.PsiManager;
 import com.redhat.devtools.lsp4ij.LSPIJUtils;
+import com.redhat.devtools.lsp4ij.LanguageServersRegistry;
 import com.redhat.devtools.lsp4ij.LanguageServiceAccessor;
 import com.redhat.devtools.lsp4ij.internal.CancellationSupport;
 import com.redhat.devtools.lsp4ij.internal.CancellationUtil;
@@ -45,6 +46,9 @@ public class LSPGotoDeclarationHandler implements GotoDeclarationHandler {
     @Nullable
     @Override
     public PsiElement[] getGotoDeclarationTargets(@Nullable PsiElement sourceElement, int offset, Editor editor) {
+        if (!LanguageServersRegistry.getInstance().isLanguageSupported(sourceElement.getLanguage())) {
+            return null;
+        }
         VirtualFile file = LSPIJUtils.getFile(sourceElement);
         if (file == null) {
             return PsiElement.EMPTY_ARRAY;