Disabled formatting disables also optimize imports

java/java-tests/testData/actions/reformatFileInEditor/disabledFormatting_after.java

@@ -0,0 +1,12 @@
+import java.lang.String;
+import java.util.List;
+import java.util.HashMap;
+import java.util.ArrayList;
+import java.util.HashSet;
+
+
+public class Test {
+public static void main(String[] args) {
+List<String> list = new ArrayList<String>();
+}
+}

java/java-tests/testData/actions/reformatFileInEditor/disabledFormatting_before.java

@@ -0,0 +1,12 @@
+import java.lang.String;
+import java.util.List;
+import java.util.HashMap;
+import java.util.ArrayList;
+import java.util.HashSet;
+
+
+public class Test {
+public static void main(String[] args) {
+List<String> list = new ArrayList<String>();
+}
+}

java/java-tests/testSrc/com/intellij/java/codeInsight/actions/ReformatCodeActionInEditorTest.java

@@ -16,12 +16,15 @@
 package com.intellij.java.codeInsight.actions;
 
 import com.intellij.JavaTestUtil;
+import com.intellij.application.options.CodeStyle;
 import com.intellij.codeInsight.actions.FileInEditorProcessor;
 import com.intellij.codeInsight.actions.FormatChangedTextUtil;
 import com.intellij.codeInsight.actions.LayoutCodeOptions;
 import com.intellij.codeInsight.actions.ReformatCodeRunOptions;
+import com.intellij.formatting.fileSet.NamedScopeDescriptor;
 import com.intellij.openapi.editor.Document;
 import com.intellij.psi.PsiFile;
+import com.intellij.psi.codeStyle.CodeStyleSettings;
 import com.intellij.testFramework.fixtures.LightPlatformCodeInsightFixtureTestCase;
 
 import static com.intellij.codeInsight.actions.TextRangeType.*;
@@ -119,4 +122,12 @@ public class ReformatCodeActionInEditorTest extends LightPlatformCodeInsightFixt
     //todo actually test is not working, and working test is not working
     doTest(new ReformatCodeRunOptions(SELECTED_TEXT));
   }
+
+  public void testDisabledFormatting() {
+    CodeStyleSettings temp = new CodeStyleSettings();
+    NamedScopeDescriptor descriptor = new NamedScopeDescriptor("Test");
+    descriptor.setPattern("file:*.java");
+    temp.getExcludedFiles().addDescriptor(descriptor);
+    CodeStyle.doWithTemporarySettings(getProject(), temp, () -> doTest(new ReformatCodeRunOptions(WHOLE_FILE).setOptimizeImports(true)));
+  }
 }

platform/lang-api/src/com/intellij/lang/LanguageImportStatements.java

@@ -19,9 +19,12 @@
  */
 package com.intellij.lang;
 
+import com.intellij.application.options.CodeStyle;
 import com.intellij.psi.PsiFile;
+import com.intellij.psi.codeStyle.CodeStyleSettings;
 import org.jetbrains.annotations.NotNull;
 
+import java.util.Collections;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
@@ -35,6 +38,10 @@ public class LanguageImportStatements extends LanguageExtension<ImportOptimizer>
 
   @NotNull
   public Set<ImportOptimizer> forFile(@NotNull PsiFile file) {
+    CodeStyleSettings settings = CodeStyle.getSettings(file);
+    if (settings.getExcludedFiles().contains(file)) {
+      return Collections.emptySet();
+    }
     Set<ImportOptimizer> optimizers = new HashSet<>();
     for (PsiFile psiFile : file.getViewProvider().getAllFiles()) {
       List<ImportOptimizer> langOptimizers = allForLanguage(psiFile.getLanguage());