Move TypeHierarchy to LSP

Signed-off-by: Shi Chen <[email protected]>

Author: CsCherrYY

org.eclipse.jdt.ls.core/META-INF/MANIFEST.MF

@@ -58,8 +58,7 @@ Export-Package: org.eclipse.jdt.ls.core.contentassist;x-friends:="org.eclipse.jd
  org.eclipse.jdt.ls.core.internal.syntaxserver;x-friends:="org.eclipse.jdt.ls.tests.syntaxserver",
  org.eclipse.jdt.ls.core.internal.text.correction;x-friends:="org.eclipse.jdt.ls.tests",
  org.eclipse.jdt.ls.internal.gradle.checksums;x-friends:="org.eclipse.jdt.ls.tests",
- org.eclipse.lsp4j.extended;x-friends:="org.eclipse.jdt.ls.tests",
- org.eclipse.lsp4j.legacy.typeHierarchy;x-friends:="org.eclipse.jdt.ls.tests"
+ org.eclipse.lsp4j.extended;x-friends:="org.eclipse.jdt.ls.tests"
 Bundle-ClassPath: lib/jsoup-1.14.2.jar,
  lib/remark-1.2.0.jar,
  .

org.eclipse.jdt.ls.core/plugin.xml

@@ -97,12 +97,6 @@
             <command
                   id="java.project.resolveStackTraceLocation">
             </command>
-            <command
-                  id="java.navigate.openTypeHierarchy">
-            </command>
-            <command
-                  id="java.navigate.resolveTypeHierarchy">
-            </command>
             <command
                   id="java.project.upgradeGradle">
             </command>

org.eclipse.jdt.ls.core/src/org/eclipse/jdt/ls/core/internal/JDTDelegateCommandHandler.java

@@ -31,7 +31,6 @@
 import org.eclipse.jdt.ls.core.internal.commands.ProjectCommand;
 import org.eclipse.jdt.ls.core.internal.commands.ProjectCommand.ClasspathOptions;
 import org.eclipse.jdt.ls.core.internal.commands.SourceAttachmentCommand;
-import org.eclipse.jdt.ls.core.internal.commands.TypeHierarchyCommand;
 import org.eclipse.jdt.ls.core.internal.framework.protobuf.ProtobufSupport;
 import org.eclipse.jdt.ls.core.internal.handlers.BundleUtils;
 import org.eclipse.jdt.ls.core.internal.handlers.CompletionHandler;
@@ -42,12 +41,7 @@
 import org.eclipse.jdt.ls.core.internal.handlers.ResolveSourceMappingHandler;
 import org.eclipse.jdt.ls.core.internal.managers.GradleProjectImporter;
 import org.eclipse.lsp4j.SymbolInformation;
-import org.eclipse.lsp4j.TextDocumentPositionParams;
 import org.eclipse.lsp4j.WorkspaceEdit;
-import org.eclipse.lsp4j.legacy.typeHierarchy.ResolveTypeHierarchyItemParams;
-import org.eclipse.lsp4j.legacy.typeHierarchy.TypeHierarchyDirection;
-import org.eclipse.lsp4j.legacy.typeHierarchy.TypeHierarchyItem;
-import org.eclipse.lsp4j.legacy.typeHierarchy.TypeHierarchyParams;
 
 public class JDTDelegateCommandHandler implements IDelegateCommandHandler {
 
@@ -108,29 +102,6 @@ public Object executeCommand(String commandId, List<Object> arguments, IProgress
 						projectNames = (ArrayList<String>) arguments.get(1);
 					}
 					return ResolveSourceMappingHandler.resolveStackTraceLocation((String) arguments.get(0), projectNames);
-				case "java.navigate.resolveTypeHierarchy":
-					TypeHierarchyCommand resolveTypeHierarchyCommand = new TypeHierarchyCommand();
-					TypeHierarchyItem toResolve = JSONUtility.toModel(arguments.get(0), TypeHierarchyItem.class);
-					TypeHierarchyDirection resolveDirection = TypeHierarchyDirection.forValue(JSONUtility.toModel(arguments.get(1), Integer.class));
-					int resolveDepth = JSONUtility.toModel(arguments.get(2), Integer.class);
-					ResolveTypeHierarchyItemParams resolveParams = new ResolveTypeHierarchyItemParams();
-					resolveParams.setItem(toResolve);
-					resolveParams.setDirection(resolveDirection);
-					resolveParams.setResolve(resolveDepth);
-					TypeHierarchyItem resolvedItem = resolveTypeHierarchyCommand.resolveTypeHierarchy(resolveParams, monitor);
-					return resolvedItem;
-				case "java.navigate.openTypeHierarchy":
-					TypeHierarchyCommand typeHierarchyCommand = new TypeHierarchyCommand();
-					TypeHierarchyParams params = new TypeHierarchyParams();
-					TextDocumentPositionParams textParams = JSONUtility.toModel(arguments.get(0), TextDocumentPositionParams.class);
-					TypeHierarchyDirection direction = TypeHierarchyDirection.forValue(JSONUtility.toModel(arguments.get(1), Integer.class));
-					int resolve = JSONUtility.toModel(arguments.get(2), Integer.class);
-					params.setResolve(resolve);
-					params.setDirection(direction);
-					params.setTextDocument(textParams.getTextDocument());
-					params.setPosition(textParams.getPosition());
-					TypeHierarchyItem typeHierarchyItem = typeHierarchyCommand.typeHierarchy(params, monitor);
-					return typeHierarchyItem;
 				case "java.project.upgradeGradle":
 					String projectUri = (String) arguments.get(0);
 					String gradleVersion = arguments.size() > 1 ? (String) arguments.get(1) : null;

org.eclipse.jdt.ls.core/src/org/eclipse/jdt/ls/core/internal/commands/TypeHierarchyCommand.java

@@ -213,6 +213,7 @@ public void registerCapabilities(InitializeResult initializeResult) {
 		semanticTokensOptions.setDocumentSelector(List.of(new DocumentFilter("java", "file", null), new DocumentFilter("java", "jdt", null)));
 		semanticTokensOptions.setLegend(SemanticTokensHandler.legend());
 		capabilities.setSemanticTokensProvider(semanticTokensOptions);
+		capabilities.setTypeHierarchyProvider(Boolean.TRUE);
 
 		initializeResult.setCapabilities(capabilities);
 	}