Expose symbols needed to support Java proto libraries

BEGIN_PUBLIC
Expose symbols needed to support Java proto libraries
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PiperOrigin-RevId: 654697985
Change-Id: Ie4b3a81e9f6139dd7f13a4e171ccf4cffcf17a1c

Author: comius

java/private/proto_support.bzl

@@ -0,0 +1,27 @@
+# Copyright 2024 The Bazel Authors. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+"""Support for Java compilation of protocol buffer generated code."""
+
+load("//java/private:native.bzl", "native_java_common")
+
+visibility(["//third_party/protobuf/..."])
+
+# Partial support, because internal symbols are not available in older Bazel version
+# TODO: Once Java rules are moved into the rules_java, this should become a full support.
+
+def compile(*, injecting_rule_kind, enable_jspecify, include_compilation_info, **kwargs):  # buildifier: disable=unused-variable
+    return native_java_common.compile(**kwargs)
+
+def merge(providers, *, merge_java_outputs = True, merge_source_jars = True):  # buildifier: disable=unused-variable
+    return native_java_common.merge(providers)

java/private/proto_support.bzl.oss

@@ -0,0 +1,25 @@
+# Copyright 2024 The Bazel Authors. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+"""Support for Java compilation of protocol buffer generated code."""
+
+load("//third_party/bazel_rules/rules_java/java/private:native.bzl", "native_java_common")
+
+# Partial support, because internal symbols are not available in older Bazel version
+# TODO: Once Java rules are moved into the rules_java, this should become a full support.
+
+def compile(*, injecting_rule_kind, enable_jspecify, include_compilation_info, **kwargs):  # buildifier: disable=unused-variable
+    return native_java_common.compile(**kwargs)
+
+def merge(providers, *, merge_java_outputs = True, merge_source_jars = True):  # buildifier: disable=unused-variable
+    return native_java_common.merge(providers)