Test Java 16 and 17 (#1291)

.gitattributes

@@ -0,0 +1,2 @@
+gradlew linguist-generated=true
+gradlew.bat linguist-generated=true

.github/workflows/ci.yml

@@ -31,6 +31,8 @@ jobs:
           - "13"
           - "14"
           - "15"
+          - "16"
+          - "17"
 
     steps:
       - uses: actions/checkout@master
@@ -41,6 +43,10 @@ jobs:
           java-version: ${{ matrix.java-version }}
           architecture: x64
 
+      - name: Tweak gradle.properties for Java 1.8
+        if: ${{ matrix.java-version == '1.8' }}
+        run: sed -e '/--add-exports/ s/^#*/#/' -i gradle.properties
+
       - name: Display version
         run: ./gradlew --version
 

README.md

@@ -37,7 +37,7 @@ Add this dependency to your project's POM:
 You'll need to manually install the following JARs:
 
 - The Stripe JAR from <https://github.com/stripe/stripe-java/releases/latest>
-- [Google Gson][gson] from <https://repo1.maven.org/maven2/com/google/code/gson/gson/2.8.8/gson-2.8.8.jar>.
+- [Google Gson][gson] from <https://repo1.maven.org/maven2/com/google/code/gson/gson/2.8.9/gson-2.8.9.jar>.
 
 ### [ProGuard][proguard]
 

build.gradle

@@ -14,11 +14,11 @@ plugins {
     id "maven-publish"
     id "signing"
     id "jacoco"
-    id "io.freefair.lombok" version "6.1.0"
-    id "com.diffplug.spotless" version "5.15.0"
+    id "io.freefair.lombok" version "6.3.0"
+    id "com.diffplug.spotless" version "6.0.1"
     id "net.ltgt.errorprone" version "2.0.2"
     id "com.github.kt3k.coveralls" version "2.12.0"
-    id "biz.aQute.bnd.builder" version "5.3.0"
+    id "biz.aQute.bnd.builder" version "6.1.0"
     id "org.ajoberstar.git-publish" version "3.0.0"
 }
 
@@ -61,14 +61,14 @@ repositories {
 }
 
 dependencies {
-    errorprone group: "com.google.errorprone", name: "error_prone_core", version: "2.9.0"
+    errorprone group: "com.google.errorprone", name: "error_prone_core", version: "2.10.0"
     errorproneJavac group: "com.google.errorprone", name: "javac", version:"9+181-r4173-1"
-    implementation group: "com.google.code.gson", name: "gson", version:"2.8.8"
-    testImplementation group: "com.google.guava", name: "guava", version:"30.1.1-jre"
+    implementation group: "com.google.code.gson", name: "gson", version:"2.8.9"
+    testImplementation group: "com.google.guava", name: "guava", version:"31.0.1-jre"
     testImplementation group: "com.squareup.okhttp3", name: "mockwebserver", version: "4.9.1"
-    testImplementation group: "org.mockito", name: "mockito-core", version:"3.12.4"
-    testImplementation group: "org.junit.jupiter", name: "junit-jupiter-api", version: "5.7.2"
-    testRuntimeOnly group: "org.junit.jupiter", name: "junit-jupiter-engine", version: "5.7.2"
+    testImplementation group: "org.mockito", name: "mockito-core", version:"4.1.0"
+    testImplementation group: "org.junit.jupiter", name: "junit-jupiter-api", version: "5.8.2"
+    testRuntimeOnly group: "org.junit.jupiter", name: "junit-jupiter-engine", version: "5.8.2"
     testRuntimeOnly group: "org.slf4j", name: "slf4j-api", version: "1.7.32"
 }
 
@@ -85,7 +85,7 @@ jar {
 }
 
 lombok {
-    version = "1.18.20"
+    version = "1.18.22"
 }
 
 delombok {

gradle.properties

@@ -23,3 +23,13 @@ VENDOR_NAME=Stripe, Inc. (https://stripe.com)
 # Workaround to prevent Java 12 to try and use TLSv1.3 when uploading coverage
 # reports to coveralls.io.
 systemProp.jdk.tls.client.protocols="TLSv1,TLSv1.1,TLSv1.2"
+
+# The following is necessary for google-java-format to work with Java 16+
+# Cf. https://github.com/google/google-java-format#jdk-16.
+# Note that these arguments do NOT work with Java 1.8, so this needs to be
+# commented out in that case.
+org.gradle.jvmargs=--add-exports jdk.compiler/com.sun.tools.javac.api=ALL-UNNAMED \
+ --add-exports jdk.compiler/com.sun.tools.javac.file=ALL-UNNAMED \
+ --add-exports jdk.compiler/com.sun.tools.javac.parser=ALL-UNNAMED \
+ --add-exports jdk.compiler/com.sun.tools.javac.tree=ALL-UNNAMED \
+ --add-exports jdk.compiler/com.sun.tools.javac.util=ALL-UNNAMED

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.2-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.3.1-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists