[GitHub] [netbeans] JaroslavTulach commented on a change in pull request #2587: Existing CodeGenerators exposed as CodeActions via LSP.

[GitBox <gi...@apache.org>]

JaroslavTulach commented on a change in pull request #2587:
URL: https://github.com/apache/netbeans/pull/2587#discussion_r543063773



##########
File path: java/java.lsp.server/src/org/netbeans/modules/java/lsp/server/protocol/CodeGenerator.java
##########
@@ -0,0 +1,312 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.netbeans.modules.java.lsp.server.protocol;
+
+import com.sun.source.tree.LineMap;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.io.UncheckedIOException;
+import java.net.MalformedURLException;
+import java.net.URI;
+import java.nio.file.Files;
+import java.util.Arrays;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Objects;
+import java.util.Properties;
+import java.util.Set;
+import java.util.concurrent.CompletableFuture;
+import javax.lang.model.element.Element;
+import javax.lang.model.element.ElementKind;
+import javax.lang.model.element.ExecutableElement;
+import javax.lang.model.element.TypeElement;
+import javax.lang.model.element.TypeParameterElement;
+import javax.lang.model.element.VariableElement;
+import javax.lang.model.type.ArrayType;
+import javax.lang.model.type.TypeKind;
+import javax.lang.model.type.TypeMirror;
+import org.eclipse.lsp4j.CodeAction;
+import org.eclipse.lsp4j.CodeActionParams;
+import org.eclipse.lsp4j.Command;
+import org.eclipse.lsp4j.Position;
+import org.eclipse.xtext.xbase.lib.Pure;
+import org.netbeans.api.java.source.CompilationInfo;
+import org.netbeans.api.java.source.ElementHandle;
+import org.netbeans.modules.editor.java.Utilities;
+import org.netbeans.modules.java.source.ElementHandleAccessor;
+import org.openide.filesystems.FileObject;
+import org.openide.filesystems.FileUtil;
+import org.openide.filesystems.URLMapper;
+import org.openide.modules.Places;
+import org.openide.util.Exceptions;
+
+/**
+ *
+ * @author Dusan Balek
+ */
+public abstract class CodeGenerator {
+
+    public static final String CODE_GENERATOR_KIND = "source.generate";
+    protected static final String ERROR = "<error>"; //NOI18N
+
+    public abstract List<CodeAction> getCodeActions(CompilationInfo info, CodeActionParams params);
+
+    public abstract Set<String> getCommands();
+
+    public abstract CompletableFuture<Object> processCommand(NbCodeLanguageClient client, String command, List<Object> arguments);
+
+    protected static int getOffset(CompilationInfo info, Position pos) {
+        LineMap lm = info.getCompilationUnit().getLineMap();
+        return (int) lm.getPosition(pos.getLine() + 1, pos.getCharacter() + 1);
+    }
+
+    protected static CodeAction createCodeAction(String name, String kind, String command, Object... args) {
+        CodeAction action = new CodeAction(name);
+        action.setKind(kind);
+        action.setCommand(new Command(name, command, Arrays.asList(args)));
+        return action;
+    }
+
+    protected static String toUri(FileObject file) {
+        if (FileUtil.isArchiveArtifact(file)) {
+            //VS code cannot open jar:file: URLs, workaround:

Review comment:
       I cannot answer your question Dušane. I am just pointing out that rather than converting `jar:file:` URLs manually, we'd rather use exiting API for that. If it is not working properly, we'd rather invest in fixing it.
   
   Now I get that this code has been introduced during #2530. I find the code strange, but it is not a blocker.




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