[GitHub] [netbeans] mishrasandeep commented on a change in pull request #3156: [NETBEANS-5799]: Pattern Matching for Switch hints (preview)

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

mishrasandeep commented on a change in pull request #3156:
URL: https://github.com/apache/netbeans/pull/3156#discussion_r712749730



##########
File path: java/java.hints/src/org/netbeans/modules/java/hints/jdk/ConvertToSwitchPatternInstanceOf.java
##########
@@ -0,0 +1,347 @@
+package org.netbeans.modules.java.hints.jdk;
+
+/*
+ * 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.
+ */
+import com.sun.source.tree.BlockTree;
+import com.sun.source.tree.CaseTree;
+import com.sun.source.tree.ExpressionStatementTree;
+import com.sun.source.tree.IdentifierTree;
+import com.sun.source.tree.IfTree;
+import com.sun.source.tree.InstanceOfTree;
+import com.sun.source.tree.ParenthesizedTree;
+import com.sun.source.tree.StatementTree;
+import com.sun.source.tree.SwitchTree;
+import com.sun.source.tree.ThrowTree;
+import com.sun.source.tree.Tree;
+import com.sun.source.tree.VariableTree;
+import com.sun.source.util.TreePath;
+import java.lang.reflect.InvocationTargetException;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.EnumSet;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Set;
+import javax.lang.model.element.Modifier;
+import javax.lang.model.element.Name;
+import javax.lang.model.type.TypeMirror;
+import org.netbeans.api.java.source.CompilationInfo;
+import org.netbeans.api.java.source.TreeMaker;
+import org.netbeans.api.java.source.WorkingCopy;
+import org.netbeans.spi.editor.hints.ErrorDescription;
+import org.netbeans.spi.editor.hints.Fix;
+import org.netbeans.spi.java.hints.ErrorDescriptionFactory;
+import org.netbeans.spi.java.hints.Hint;
+import org.netbeans.spi.java.hints.HintContext;
+import org.netbeans.spi.java.hints.JavaFix;
+import org.netbeans.spi.java.hints.MatcherUtilities;
+import org.netbeans.spi.java.hints.TriggerPattern;
+import org.netbeans.spi.java.hints.TriggerPatterns;
+import org.netbeans.spi.java.hints.TriggerTreeKind;
+import org.openide.util.Exceptions;
+import org.openide.util.NbBundle;
+
+/**
+ *
+ * @author sandeemi
+ */
+@NbBundle.Messages({
+    "DN_ConvertToSwitchPatternInstanceOf=Convert to switch pattern matching <pattern>",
+    "DESC_ConvertToSwitchPatternInstanceOf=Convert to switch pattern matching <pattern>",
+    "ERR_ConvertToSwitchPatternInstanceOf=switch pattern matching <pattern> can be used here",
+    "FIX_ConvertToSwitchPatternInstanceOf=Use switch pattern matching <pattern>"
+})
+@Hint(displayName="#DN_ConvertToSwitchPatternInstanceOf", description="#DESC_ConvertToSwitchPatternInstanceOf", category="rules15",
+        minSourceVersion = "17")
+public class ConvertToSwitchPatternInstanceOf {
+
+    @TriggerPatterns({
+        @TriggerPattern(value = "if ($expr0 instanceof $typeI0) { $statements0$;} else if ($expr1 instanceof $typeI1) { $statements1$;} else $else$;")
+    })
+    public static ErrorDescription trivial(HintContext ctx) {
+        TreePath parent = ctx.getPath().getParentPath();
+        if (parent.getLeaf().getKind() == Tree.Kind.IF) {
+            return null;
+        }
+
+        Tree ifPath = ctx.getPath().getLeaf();
+        Name expr0 = ((IdentifierTree) ctx.getVariables().get("$expr0").getLeaf()).getName();

Review comment:
       Have changed it to comparing Strings instead of Name and tested with Class variables and Method Invocation. Have also added test cases for the same. 




-- 
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.

To unsubscribe, e-mail: notifications-unsubscribe@netbeans.apache.org

For queries about this service, please contact Infrastructure at:
users@infra.apache.org



---------------------------------------------------------------------
To unsubscribe, e-mail: notifications-unsubscribe@netbeans.apache.org
For additional commands, e-mail: notifications-help@netbeans.apache.org

For further information about the NetBeans mailing lists, visit:
https://cwiki.apache.org/confluence/display/NETBEANS/Mailing+lists