From bb1ca20aafe800ed2ad4f5432dc2375195c1430e Mon Sep 17 00:00:00 2001
From: Brad Baker <bbaker@atlassian.com>
Date: Sun, 15 Aug 2021 15:56:38 +1000
Subject: [PATCH] Fixes glob matching on Windows

---
 .../schema/DataFetchingFieldSelectionSetImpl.java     | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/main/java/graphql/schema/DataFetchingFieldSelectionSetImpl.java b/src/main/java/graphql/schema/DataFetchingFieldSelectionSetImpl.java
index bb9501ec6f..98423a978a 100644
--- a/src/main/java/graphql/schema/DataFetchingFieldSelectionSetImpl.java
+++ b/src/main/java/graphql/schema/DataFetchingFieldSelectionSetImpl.java
@@ -5,6 +5,7 @@
 import graphql.Internal;
 import graphql.normalized.ExecutableNormalizedField;
 
+import java.io.File;
 import java.nio.file.FileSystems;
 import java.nio.file.Path;
 import java.nio.file.PathMatcher;
@@ -30,6 +31,7 @@
 public class DataFetchingFieldSelectionSetImpl implements DataFetchingFieldSelectionSet {
 
     private final static String SEP = "/";
+    private final static boolean UNIXY = SEP.equals(File.separator);
 
     private final static DataFetchingFieldSelectionSet NOOP = new DataFetchingFieldSelectionSet() {
 
@@ -110,6 +112,7 @@ public boolean contains(String fieldGlobPattern) {
         fieldGlobPattern = removeLeadingSlash(fieldGlobPattern);
         PathMatcher globMatcher = globMatcher(fieldGlobPattern);
         for (String flattenedField : flattenedFieldsForGlobSearching) {
+            flattenedField = osAppropriate(flattenedField);
             Path path = Paths.get(flattenedField);
             if (globMatcher.matches(path)) {
                 return true;
@@ -118,6 +121,14 @@ public boolean contains(String fieldGlobPattern) {
         return false;
     }
 
+    private String osAppropriate(String flattenedField) {
+        if (UNIXY) {
+            return flattenedField;
+        } else {
+            return flattenedField.replace(SEP, "\\");
+        }
+    }
+
     @Override
     public boolean containsAnyOf(String fieldGlobPattern, String... fieldGlobPatterns) {
         assertNotNull(fieldGlobPattern);