[java] making "convert to Basic Latin" intention produce uppercase Unicode escapes (IDEA-232859)

GitOrigin-RevId: 6120c9d5a5c6b3ed1fc51cfb6af5e1e2f8a75e1c

java/java-impl/src/com/intellij/codeInsight/intention/impl/ConvertToBasicLatinAction.java

@@ -26,6 +26,7 @@ import org.jetbrains.annotations.Nullable;
 
 import java.net.MalformedURLException;
 import java.net.URL;
+import java.util.Locale;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
@@ -129,7 +130,7 @@ public class ConvertToBasicLatinAction extends PsiElementBaseIntentionAction {
 
     @Override
     protected void convert(StringBuilder sb, char ch) {
-      sb.append(String.format("\\u%04x", (int)ch));
+      sb.append(String.format("\\u%04X", (int)ch));
     }
   }
 
@@ -154,7 +155,7 @@ public class ConvertToBasicLatinAction extends PsiElementBaseIntentionAction {
         sb.append('&').append(entity).append(';');
       }
       else {
-        sb.append("&#x").append(Integer.toHexString(ch)).append(';');
+        sb.append("&#x").append(Integer.toHexString(ch).toUpperCase(Locale.ENGLISH)).append(';');
       }
     }
 

java/java-tests/testData/codeInsight/convertToBasicLatin/CharLiteral_after.java

@@ -1,3 +1,3 @@
 class C {
-    char ch = '\u00a9';
+    char ch = '\u00A9';
 }

java/java-tests/testData/codeInsight/convertToBasicLatin/DocComment.java

@@ -1,5 +1,4 @@
 /**<caret>
- * Copyright © 2000-2010 JetBrains s.r.o.
+ * Copyright © 2000⋯ JetBrains s.r.o.
  */
-class C {
-}
+class C { }

java/java-tests/testData/codeInsight/convertToBasicLatin/DocComment_after.java

@@ -1,5 +1,4 @@
 /**
- * Copyright © 2000-2010 JetBrains s.r.o.
+ * Copyright © 2000⋯ JetBrains s.r.o.
  */
-class C {
-}
+class C { }

java/java-tests/testData/codeInsight/convertToBasicLatin/StringLiteral_after.java

@@ -1,3 +1,3 @@
 class C {
-    String s = "\u00c1\u00ee";
+    String s = "\u00C1\u00EE";
 }

java/java-tests/testData/codeInsight/convertToBasicLatin/UnclosedDocComment.java

@@ -1,2 +1,2 @@
 /**<caret>
- * Copyright © 2000-2010 JetBrains s.r.o.
+ * Copyright © 2000⋯ JetBrains s.r.o.

java/java-tests/testData/codeInsight/convertToBasicLatin/UnclosedDocComment_after.java

@@ -1,2 +1,2 @@
 /**
- * Copyright © 2000-2010 JetBrains s.r.o.
+ * Copyright © 2000⋯ JetBrains s.r.o.

java/java-tests/testData/codeInsight/convertToBasicLatin/UnclosedStringLiteral_after.java

@@ -1,3 +1,3 @@
 class C {
-    String s = "\u00c1\u00ee
+    String s = "\u00C1\u00EE
 }