Fix JarFilterTest on Windows

fixed https://github.com/bazelbuild/bazel/issues/1946

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Change-Id: Id91c973fb63093024125148a83ecf5948e8f729e
Reviewed-on: https://cr.bazel.build/9170
PiperOrigin-RevId: 149020118
MOS_MIGRATED_REVID=149020118

1 files changed, 4 insertions, 0 deletions

diff --git a/src/tools/android/java/com/google/devtools/build/android/ideinfo/JarFilter.java b/src/tools/android/java/com/google/devtools/build/android/ideinfo/JarFilter.java
index 92f55db9aa..c5ed8b4863 100644
--- a/src/tools/android/java/com/google/devtools/build/android/ideinfo/JarFilter.java
+++ b/src/tools/android/java/com/google/devtools/build/android/ideinfo/JarFilter.java
@@ -333,6 +333,10 @@ public final class JarFilter {
    */
   private static String getArchiveFileNamePrefix(String javaFile, String packageString) {
     int lastSlashIndex = javaFile.lastIndexOf('/');
+    // On Windows, the separator could be '\\'
+    if (lastSlashIndex == -1) {
+      lastSlashIndex = javaFile.lastIndexOf('\\');
+    }
     String fileName = lastSlashIndex != -1 ? javaFile.substring(lastSlashIndex + 1) : javaFile;
     String className = fileName.substring(0, fileName.length() - ".java".length());
     return packageString.replace('.', '/') + '/' + className;