From 3452604d50a6638650a8d9fbc94f9287c8731269 Mon Sep 17 00:00:00 2001
From: marcohu <marcohu@users.noreply.github.com>
Date: Fri, 17 Jan 2020 23:06:13 +0100
Subject: [PATCH] Remove depencency on Java 11, fixes #8

---
 .bazelrc                                      |  1 +
 src/it/java/org/antlr/bazel/BUILD             | 19 ++++++++++++++-----
 src/main/java/org/antlr/bazel/AntlrRules.java |  2 +-
 3 files changed, 16 insertions(+), 6 deletions(-)
 create mode 100644 .bazelrc

diff --git a/.bazelrc b/.bazelrc
new file mode 100644
index 0000000..cb9dfc1
--- /dev/null
+++ b/.bazelrc
@@ -0,0 +1 @@
+build --javacopt="--release 8"
diff --git a/src/it/java/org/antlr/bazel/BUILD b/src/it/java/org/antlr/bazel/BUILD
index cc5faec..1064c49 100644
--- a/src/it/java/org/antlr/bazel/BUILD
+++ b/src/it/java/org/antlr/bazel/BUILD
@@ -1,18 +1,23 @@
 load("@rules_java//java:defs.bzl", "java_library")
 load("//tools:gen_test_rules.bzl", "java_tests")
 
-filegroup(
+java_library(
     name = "support",
     srcs = glob(
         ["*.java"],
         exclude = ["*Test.java"],
     ),
+    javacopts = ["--release 11"],
+    deps = [
+        "//src/test/java/org/antlr/bazel:tests",
+        "@junit//jar",
+    ],
 )
 
 java_library(
     name = "antlr2_tests",
     testonly = True,
-    srcs = glob(["Antlr2Test.java"]) + [":support"],
+    srcs = glob(["Antlr2Test.java"]),
     data = [
         "//:srcs",
         "//antlr:srcs",
@@ -22,6 +27,7 @@ java_library(
         "@examples//antlr2:srcs",
     ],
     deps = [
+        ":support",
         "//src/main/java/org/antlr/bazel",
         "//src/test/java/org/antlr/bazel:tests",
         "@antlr2//jar",
@@ -41,7 +47,7 @@ java_tests(
 java_library(
     name = "antlr3_tests",
     testonly = True,
-    srcs = glob(["Antlr3Test.java"]) + [":support"],
+    srcs = glob(["Antlr3Test.java"]),
     data = [
         "//:srcs",
         "//antlr:srcs",
@@ -50,6 +56,7 @@ java_library(
         "@examples//antlr3:srcs",
     ],
     deps = [
+        ":support",
         "//src/main/java/org/antlr/bazel",
         "//src/test/java/org/antlr/bazel:tests",
         "@antlr3_runtime//jar",
@@ -71,7 +78,7 @@ java_tests(
 java_library(
     name = "antlr4_tests",
     testonly = True,
-    srcs = glob(["Antlr4Test.java"]) + [":support"],
+    srcs = glob(["Antlr4Test.java"]),
     data = [
         "//:srcs",
         "//antlr:srcs",
@@ -80,6 +87,7 @@ java_library(
         "@examples//antlr4:srcs",
     ],
     deps = [
+        ":support",
         "//src/main/java/org/antlr/bazel",
         "//src/test/java/org/antlr/bazel:tests",
         "@antlr3_runtime//jar",
@@ -103,7 +111,7 @@ java_tests(
 java_library(
     name = "repository_tests",
     testonly = True,
-    srcs = glob(["RepositoriesTest.java"]) + [":support"],
+    srcs = glob(["RepositoriesTest.java"]),
     data = [
         "//:srcs",
         "//antlr:srcs",
@@ -113,6 +121,7 @@ java_library(
         "@examples//antlr2:srcs",
     ],
     deps = [
+        ":support",
         "//src/main/java/org/antlr/bazel",
         "//src/test/java/org/antlr/bazel:tests",
         "@antlr2//jar",
diff --git a/src/main/java/org/antlr/bazel/AntlrRules.java b/src/main/java/org/antlr/bazel/AntlrRules.java
index 7f0e7d4..165cf6a 100644
--- a/src/main/java/org/antlr/bazel/AntlrRules.java
+++ b/src/main/java/org/antlr/bazel/AntlrRules.java
@@ -417,7 +417,7 @@ AntlrRules outputDirectory(String directory)
     AntlrRules srcjar(String srcjar)
     {
         this.srcjar = sandbox.resolve(srcjar);
-        this.output = srcjar.isBlank() ? Output.FOLDER : Output.SRCJAR;
+        this.output = srcjar.trim().isEmpty() ? Output.FOLDER : Output.SRCJAR;
 
         return this;
     }