fix(bazel): Replace monolith deps with rules_gapic [ggj]

WORKSPACE

@@ -18,8 +18,14 @@ http_archive(
 jvm_maven_import_external(
     name = "google_java_format_all_deps",
     artifact = "com.google.googlejavaformat:google-java-format:jar:all-deps:1.7",
-    server_urls = ["https://repo.maven.apache.org/maven2/", "http://repo1.maven.org/maven2/"],
-    licenses = ["notice", "reciprocal"]
+    licenses = [
+        "notice",
+        "reciprocal",
+    ],
+    server_urls = [
+        "https://repo.maven.apache.org/maven2/",
+        "http://repo1.maven.org/maven2/",
+    ],
 )
 
 # gax-java and its transitive dependencies must be imported before
@@ -62,14 +68,6 @@ load("@com_google_protobuf//:protobuf_deps.bzl", "protobuf_deps")
 
 protobuf_deps()
 
-# Java dependencies.
-# Import the monolith so we can transitively use its gapic rules for googleapis.
-http_archive(
-    name = "com_google_api_codegen",
-    strip_prefix = "gapic-generator-2.11.1",
-    urls = ["https://github.com/googleapis/gapic-generator/archive/v2.11.1.zip"],
-)
-
 load("@com_google_googleapis//:repository_rules.bzl", "switched_rules_by_language")
 
 switched_rules_by_language(
@@ -88,3 +86,11 @@ http_archive(
     strip_prefix = "disco-to-proto3-converter-1839f6aca5e968e59b7acc03e7018b0fda8c480b",
     urls = ["https://github.com/googleapis/disco-to-proto3-converter/archive/1839f6aca5e968e59b7acc03e7018b0fda8c480b.zip"],
 )
+
+_rules_gapic_version = "0.5.4"
+
+http_archive(
+    name = "rules_gapic",
+    strip_prefix = "rules_gapic-%s" % _rules_gapic_version,
+    urls = ["https://github.com/googleapis/rules_gapic/archive/v%s.tar.gz" % _rules_gapic_version],
+)

dependencies.properties

@@ -4,7 +4,7 @@
 # The properties format is the following:
 #   <dependency_type>[.<artifact_name>]=<value>
 
-# Target workspace name: com_google_api_codegen
+# Target workspace name: gapic_generator_java
 
 # Versions only, for dependencies which actual artifacts differ between Bazel and Gradle
 version.com_google_protobuf=3.15.2
@@ -32,7 +32,7 @@ maven.org_threeten_threetenbp=org.threeten:threetenbp:1.3.3
 
 # Testing.
 maven.junit_junit=junit:junit:4.13.1
-# This hamcrest-core dependency is for running JUnit test manually, before JUnit 4.11 it's wrapped along with JUnit package. 
+# This hamcrest-core dependency is for running JUnit test manually, before JUnit 4.11 it's wrapped along with JUnit package.
 # But now it has to be explicitly added.
 maven.org_hamcrest_hamcrest_core=org.hamcrest:hamcrest-core:1.3
 maven.org_mockito_mockito_core=org.mockito:mockito-core:2.21.0

rules_java_gapic/java_gapic.bzl

@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-load("@com_google_api_codegen//rules_gapic:gapic.bzl", "proto_custom_library", "unzipped_srcjar")
+load("@rules_gapic//:gapic.bzl", "proto_custom_library", "unzipped_srcjar")
 
 SERVICE_YAML_ALLOWLIST = ["clouddms", "cloudkms", "datastream", "pubsub"]
 NO_GRPC_CONFIG_ALLOWLIST = ["library"]