Create java module file type

GitOrigin-RevId: 57870035dccbd5d35c331a4ddfc3d088edcf8aba

java/java-frontback-psi-impl/src/com/intellij/ide/highlighter/JavaModuleFileType.java

@@ -0,0 +1,46 @@
+// Copyright 2000-2023 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
+package com.intellij.ide.highlighter;
+
+import com.intellij.core.JavaPsiBundle;
+import com.intellij.lang.java.JavaLanguage;
+import com.intellij.openapi.fileTypes.LanguageFileType;
+import com.intellij.ui.IconManager;
+import com.intellij.ui.PlatformIcons;
+import org.jetbrains.annotations.Nls;
+import org.jetbrains.annotations.NotNull;
+
+import javax.swing.*;
+
+public final class JavaModuleFileType extends LanguageFileType {
+  public static final JavaModuleFileType INSTANCE = new JavaModuleFileType();
+
+  private JavaModuleFileType() {
+    super(JavaLanguage.INSTANCE, true);
+  }
+
+  @Override
+  public @NotNull String getName() {
+    return "Java module";
+  }
+
+  @Override
+  public @NotNull String getDescription() {
+    return JavaPsiBundle.message("filetype.java.module.description");
+  }
+
+  @Override
+  public @NotNull String getDefaultExtension() {
+    return JavaFileType.DEFAULT_EXTENSION;
+  }
+
+  @Nls
+  @Override
+  public @NotNull String getDisplayName() {
+    return JavaPsiBundle.message("filetype.java.module.display.name");
+  }
+
+  @Override
+  public Icon getIcon() {
+    return IconManager.getInstance().getPlatformIcon(PlatformIcons.JavaFileType);
+  }
+}