chore: upgrade Gradle build system in generated library repo and fix setup issue

rules_java_gapic/java_gapic_pkg.bzl

@@ -166,8 +166,8 @@ def _java_gapic_build_configs_pkg_impl(ctx):
 
     substitutions = dict(ctx.attr.static_substitutions)
     substitutions["{{extra_deps}}"] = _construct_extra_deps({
-        "compile": ctx.attr.deps,
-        "testCompile": ctx.attr.test_deps,
+        "implementation": ctx.attr.deps,
+        "testImplementation": ctx.attr.test_deps,
     }, substitutions)
 
     for template in ctx.attr.templates.items():

rules_java_gapic/resources/gradle/assembly.gradle.tmpl

@@ -1,16 +1,6 @@
-buildscript {
-  repositories {
-    mavenLocal()
-    maven {
-      url 'https://plugins.gradle.org/m2/'
-    }
-    mavenCentral()
-  }
-}
-
 subprojects {
-  apply plugin: 'java'
-  apply plugin: 'maven'
+  apply plugin: 'java-library'
+  apply plugin: 'maven-publish'
 
   sourceCompatibility = 1.8
   targetCompatibility = 1.8
@@ -23,7 +13,11 @@ subprojects {
   }
 
   repositories {
-    mavenLocal()
     mavenCentral()
+    mavenLocal()
+  }
+
+  publishing.publications {
+    library(MavenPublication).from components.java
   }
 }

rules_java_gapic/resources/gradle/client_grpc.gradle.tmpl

@@ -1,32 +1,17 @@
-buildscript {
-  repositories {
-    mavenCentral()
-  }
-}
-
-apply plugin: 'java'
-
 description = 'GAPIC library for {{name}}'
 group = 'com.google.cloud'
-version = (findProperty('version') == 'unspecified') ? '0.0.0-SNAPSHOT' : version
-sourceCompatibility = 1.8
-targetCompatibility = 1.8
-
-repositories {
-  mavenCentral()
-  mavenLocal()
-}
+version = (version == 'unspecified') ? '0.0.0-SNAPSHOT' : version
 
 compileJava.options.encoding = 'UTF-8'
 javadoc.options.encoding = 'UTF-8'
 
 dependencies {
-  compile 'com.google.api:gax:{{version.gax}}'
-  testCompile 'com.google.api:gax:{{version.gax}}:testlib'
-  compile 'com.google.api:gax-grpc:{{version.gax_grpc}}'
-  testCompile 'com.google.api:gax-grpc:{{version.gax_grpc}}:testlib'
-  testCompile 'io.grpc:grpc-netty-shaded:{{version.io_grpc}}'
-  testCompile '{{maven.junit_junit}}'
+  implementation 'com.google.api:gax:{{version.gax}}'
+  testImplementation 'com.google.api:gax:{{version.gax}}:testlib'
+  implementation 'com.google.api:gax-grpc:{{version.gax_grpc}}'
+  testImplementation 'com.google.api:gax-grpc:{{version.gax_grpc}}:testlib'
+  testImplementation 'io.grpc:grpc-netty-shaded:{{version.io_grpc}}'
+  testImplementation '{{maven.junit_junit}}'
   {{extra_deps}}
 }
 
@@ -56,6 +41,6 @@ clean {
 task allJars(type: Copy) {
   dependsOn test, jar
   into 'all-jars'
-  // Replace with `from configurations.testRuntime, jar` to include test dependencies
-  from configurations.runtime, jar
+  // Replace with `from configurations.testRuntimeOnly, jar` to include test dependencies
+  from configurations.runtimeOnly, jar
 }

rules_java_gapic/resources/gradle/client_grpcrest.gradle.tmpl

@@ -1,34 +1,19 @@
-buildscript {
-  repositories {
-    mavenCentral()
-  }
-}
-
-apply plugin: 'java'
-
 description = 'GAPIC library for {{name}}'
 group = 'com.google.cloud'
-version = (findProperty('version') == 'unspecified') ? '0.0.0-SNAPSHOT' : version
-sourceCompatibility = 1.8
-targetCompatibility = 1.8
-
-repositories {
-  mavenCentral()
-  mavenLocal()
-}
+version = (version == 'unspecified') ? '0.0.0-SNAPSHOT' : version
 
 compileJava.options.encoding = 'UTF-8'
 javadoc.options.encoding = 'UTF-8'
 
 dependencies {
-  compile 'com.google.api:gax:{{version.gax}}'
-  testCompile 'com.google.api:gax:{{version.gax}}:testlib'
-  compile 'com.google.api:gax-grpc:{{version.gax_grpc}}'
-  testCompile 'com.google.api:gax-grpc:{{version.gax_grpc}}:testlib'
-  compile 'com.google.api:gax-httpjson:{{version.gax_httpjson}}'
-  testCompile 'com.google.api:gax-httpjson:{{version.gax_httpjson}}:testlib'
-  testCompile 'io.grpc:grpc-netty-shaded:{{version.io_grpc}}'
-  testCompile '{{maven.junit_junit}}'
+  implementation 'com.google.api:gax:{{version.gax}}'
+  testImplementation 'com.google.api:gax:{{version.gax}}:testlib'
+  implementation 'com.google.api:gax-grpc:{{version.gax_grpc}}'
+  testImplementation 'com.google.api:gax-grpc:{{version.gax_grpc}}:testlib'
+  implementation 'com.google.api:gax-httpjson:{{version.gax_httpjson}}'
+  testImplementation 'com.google.api:gax-httpjson:{{version.gax_httpjson}}:testlib'
+  testImplementation 'io.grpc:grpc-netty-shaded:{{version.io_grpc}}'
+  testImplementation '{{maven.junit_junit}}'
   {{extra_deps}}
 }
 
@@ -58,6 +43,6 @@ clean {
 task allJars(type: Copy) {
   dependsOn test, jar
   into 'all-jars'
-  // Replace with `from configurations.testRuntime, jar` to include test dependencies
-  from configurations.runtime, jar
+  // Replace with `from configurations.testRuntimeOnly, jar` to include test dependencies
+  from configurations.runtimeOnly, jar
 }

rules_java_gapic/resources/gradle/client_rest.gradle.tmpl

@@ -1,31 +1,16 @@
-buildscript {
-  repositories {
-    mavenCentral()
-  }
-}
-
-apply plugin: 'java'
-
 description = 'GAPIC library for {{name}}'
 group = 'com.google.cloud'
-version = (findProperty('version') == 'unspecified') ? '0.0.0-SNAPSHOT' : version
-sourceCompatibility = 1.8
-targetCompatibility = 1.8
-
-repositories {
-  mavenCentral()
-  mavenLocal()
-}
+version = (version == 'unspecified') ? '0.0.0-SNAPSHOT' : version
 
 compileJava.options.encoding = 'UTF-8'
 javadoc.options.encoding = 'UTF-8'
 
 dependencies {
-  compile 'com.google.api:gax:{{version.gax}}'
-  testCompile 'com.google.api:gax:{{version.gax}}:testlib'
-  compile 'com.google.api:gax-httpjson:{{version.gax_httpjson}}'
-  testCompile 'com.google.api:gax-httpjson:{{version.gax_httpjson}}:testlib'
-  testCompile '{{maven.junit_junit}}'
+  implementation 'com.google.api:gax:{{version.gax}}'
+  testImplementation 'com.google.api:gax:{{version.gax}}:testlib'
+  implementation 'com.google.api:gax-httpjson:{{version.gax_httpjson}}'
+  testImplementation 'com.google.api:gax-httpjson:{{version.gax_httpjson}}:testlib'
+  testImplementation '{{maven.junit_junit}}'
   {{extra_deps}}
 }
 
@@ -55,6 +40,6 @@ clean {
 task allJars(type: Copy) {
   dependsOn test, jar
   into 'all-jars'
-  // Replace with `from configurations.testRuntime, jar` to include test dependencies
-  from configurations.runtime, jar
+  // Replace with `from configurations.testRuntimeOnly, jar` to include test dependencies
+  from configurations.runtimeOnly, jar
 }

rules_java_gapic/resources/gradle/gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,5 @@
-#Mon May 02 22:26:16 PDT 2016
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.3.1-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-bin.zip