[java] in-place rename for Java modules (IDEA-168803)

java/java-impl/src/com/intellij/lang/java/JavaRefactoringSupportProvider.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2000-2009 JetBrains s.r.o.
+ * Copyright 2000-2017 JetBrains s.r.o.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -67,7 +67,7 @@ public class JavaRefactoringSupportProvider extends RefactoringSupportProvider {
 
   @Override
   public boolean isMemberInplaceRenameAvailable(@NotNull PsiElement elementToRename, @Nullable PsiElement context) {
-    return elementToRename instanceof PsiMember;
+    return elementToRename instanceof PsiMember || elementToRename instanceof PsiJavaModule;
   }
 
   @Override

java/java-impl/src/com/intellij/refactoring/rename/RenameJavaModuleProcessor.java

@@ -0,0 +1,27 @@
+/*
+ * Copyright 2000-2017 JetBrains s.r.o.
+ *
+ * Licensed 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 com.intellij.refactoring.rename;
+
+import com.intellij.psi.PsiElement;
+import com.intellij.psi.PsiJavaModule;
+import org.jetbrains.annotations.NotNull;
+
+public class RenameJavaModuleProcessor extends RenamePsiElementProcessor {
+  @Override
+  public boolean canProcessElement(@NotNull PsiElement element) {
+    return element instanceof PsiJavaModule;
+  }
+}

platform/lang-impl/src/com/intellij/refactoring/rename/inplace/MemberInplaceRenamer.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2000-2016 JetBrains s.r.o.
+ * Copyright 2000-2017 JetBrains s.r.o.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -16,6 +16,7 @@
 package com.intellij.refactoring.rename.inplace;
 
 import com.intellij.codeInsight.TargetElementUtil;
+import com.intellij.lang.Language;
 import com.intellij.lang.findUsages.DescriptiveNameUtil;
 import com.intellij.lang.injection.InjectedLanguageManager;
 import com.intellij.openapi.application.ApplicationManager;
@@ -42,6 +43,7 @@ import com.intellij.psi.util.PsiTreeUtil;
 import com.intellij.refactoring.RefactoringBundle;
 import com.intellij.refactoring.rename.RenameProcessor;
 import com.intellij.refactoring.rename.RenamePsiElementProcessor;
+import com.intellij.refactoring.rename.RenameUtil;
 import com.intellij.refactoring.rename.naming.AutomaticRenamerFactory;
 import com.intellij.refactoring.util.TextOccurrencesUtil;
 import com.intellij.usageView.UsageViewUtil;
@@ -128,6 +130,11 @@ public class MemberInplaceRenamer extends VariableInplaceRenamer {
     return null;
   }
 
+  @Override
+  protected boolean isIdentifier(String newName, Language language) {
+    return RenameUtil.isValidName(myProject, myElementToRename, newName);
+  }
+
   @Override
   protected Collection<PsiReference> collectRefs(SearchScope referencesSearchScope) {
     final ArrayList<PsiReference> references = new ArrayList<>(super.collectRefs(referencesSearchScope));
@@ -323,4 +330,4 @@ public class MemberInplaceRenamer extends VariableInplaceRenamer {
       }
     }
   }
-}
+}

resources/src/META-INF/IdeaPlugin.xml

@@ -1614,6 +1614,7 @@
     <renamePsiElementProcessor implementation="com.intellij.refactoring.rename.RenameJavaMethodProcessor" id="javamethod"/>
     <renamePsiElementProcessor implementation="com.intellij.refactoring.rename.RenameJavaVariableProcessor" id="javaVariable"/>
     <renamePsiElementProcessor implementation="com.intellij.refactoring.rename.RenameAliasingPomTargetProcessor"/>
+    <renamePsiElementProcessor implementation="com.intellij.refactoring.rename.RenameJavaModuleProcessor"/>
 
     <renameInputValidator implementation="com.intellij.refactoring.rename.PsiPackageRenameValidator"/>
     <renameInputValidator implementation="com.intellij.refactoring.rename.JavaModuleRenameValidator"/>