From f055b3e83bffa4401fcbec9a19f694f84ec760ea Mon Sep 17 00:00:00 2001
From: Michael Osipov <michaelo@apache.org>
Date: Sat, 13 Nov 2021 17:09:45 +0100
Subject: [PATCH] Apply English locale to all date header formatters

---
 .../java/org/apache/hc/client5/http/utils/DateUtils.java   | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/httpclient5/src/main/java/org/apache/hc/client5/http/utils/DateUtils.java b/httpclient5/src/main/java/org/apache/hc/client5/http/utils/DateUtils.java
index a04420161..125ff53f7 100644
--- a/httpclient5/src/main/java/org/apache/hc/client5/http/utils/DateUtils.java
+++ b/httpclient5/src/main/java/org/apache/hc/client5/http/utils/DateUtils.java
@@ -35,6 +35,7 @@ import java.time.format.DateTimeFormatter;
 import java.time.format.DateTimeFormatterBuilder;
 import java.time.format.DateTimeParseException;
 import java.util.Date;
+import java.util.Locale;
 import java.util.TimeZone;
 
 import org.apache.hc.core5.http.Header;
@@ -64,7 +65,7 @@ public final class DateUtils {
             .parseLenient()
             .parseCaseInsensitive()
             .appendPattern(PATTERN_RFC1123)
-            .toFormatter();
+            .toFormatter(Locale.ENGLISH);
 
     /**
      * Date format pattern used to parse HTTP date headers in RFC 1036 format.
@@ -80,7 +81,7 @@ public final class DateUtils {
             .parseLenient()
             .parseCaseInsensitive()
             .appendPattern(PATTERN_RFC1036)
-            .toFormatter();
+            .toFormatter(Locale.ENGLISH);
 
     /**
      * Date format pattern used to parse HTTP date headers in ANSI C
@@ -97,7 +98,7 @@ public final class DateUtils {
             .parseLenient()
             .parseCaseInsensitive()
             .appendPattern(PATTERN_ASCTIME)
-            .toFormatter();
+            .toFormatter(Locale.ENGLISH);
 
     /**
      * Standard date formatters: {@link #FORMATTER_RFC1123}, {@link #FORMATTER_RFC1036}, {@link #FORMATTER_ASCTIME}.