Polish ProfilesParser internals

Author: sbrannen

spring-core/src/main/java/org/springframework/core/env/ProfilesParser.java

@@ -71,8 +71,8 @@ private static Profiles parseTokens(String expression, StringTokenizer tokens, C
 			}
 			switch (token) {
 				case "(" -> {
-					Profiles contents = parseTokens(expression, tokens, Context.BRACKET);
-					if (context == Context.INVERT) {
+					Profiles contents = parseTokens(expression, tokens, Context.PARENTHESIS);
+					if (context == Context.NEGATE) {
 						return contents;
 					}
 					elements.add(contents);
@@ -85,10 +85,10 @@ private static Profiles parseTokens(String expression, StringTokenizer tokens, C
 					assertWellFormed(expression, operator == null || operator == Operator.OR);
 					operator = Operator.OR;
 				}
-				case "!" -> elements.add(not(parseTokens(expression, tokens, Context.INVERT)));
+				case "!" -> elements.add(not(parseTokens(expression, tokens, Context.NEGATE)));
 				case ")" -> {
 					Profiles merged = merge(expression, elements, operator);
-					if (context == Context.BRACKET) {
+					if (context == Context.PARENTHESIS) {
 						return merged;
 					}
 					elements.clear();
@@ -97,7 +97,7 @@ private static Profiles parseTokens(String expression, StringTokenizer tokens, C
 				}
 				default -> {
 					Profiles value = equals(token);
-					if (context == Context.INVERT) {
+					if (context == Context.NEGATE) {
 						return value;
 					}
 					elements.add(value);
@@ -141,10 +141,9 @@ private static Predicate<Profiles> isMatch(Predicate<String> activeProfile) {
 	}
 
 
-	private enum Operator {AND, OR}
+	private enum Operator { AND, OR }
 
-
-	private enum Context {NONE, INVERT, BRACKET}
+	private enum Context { NONE, NEGATE, PARENTHESIS }
 
 
 	private static class ParsedProfiles implements Profiles {