release: 0.1.0-alpha.34

.github/workflows/ci.yml

@@ -14,7 +14,7 @@ on:
 
 jobs:
   lint:
-    timeout-minutes: 10
+    timeout-minutes: 15
     name: lint
     runs-on: ${{ github.repository == 'stainless-sdks/open-transit-java' && 'depot-ubuntu-24.04' || 'ubuntu-latest' }}
     if: github.event_name == 'push' || github.event.pull_request.head.repo.fork
@@ -37,7 +37,7 @@ jobs:
       - name: Run lints
         run: ./scripts/lint
   test:
-    timeout-minutes: 10
+    timeout-minutes: 15
     name: test
     runs-on: ${{ github.repository == 'stainless-sdks/open-transit-java' && 'depot-ubuntu-24.04' || 'ubuntu-latest' }}
     if: github.event_name == 'push' || github.event.pull_request.head.repo.fork

.release-please-manifest.json

@@ -1,3 +1,3 @@
 {
-  ".": "0.1.0-alpha.33"
+  ".": "0.1.0-alpha.34"
 }

CHANGELOG.md

@@ -1,5 +1,19 @@
 # Changelog
 
+## 0.1.0-alpha.34 (2025-08-01)
+
+Full Changelog: [v0.1.0-alpha.33...v0.1.0-alpha.34](https://github.com/OneBusAway/java-sdk/compare/v0.1.0-alpha.33...v0.1.0-alpha.34)
+
+### Bug Fixes
+
+* **client:** r8 support ([dbca2b6](https://github.com/OneBusAway/java-sdk/commit/dbca2b6f65b33feb5dac137c43976ee53adf1586))
+
+
+### Chores
+
+* **internal:** bump ci test timeout ([6139a45](https://github.com/OneBusAway/java-sdk/commit/6139a454dea5b2df944e1ff9e51ee68102048eb1))
+* **internal:** reduce proguard ci logging ([0953534](https://github.com/OneBusAway/java-sdk/commit/09535340857380e8bb7ec1112aafd2b84efb55dc))
+
 ## 0.1.0-alpha.33 (2025-07-30)
 
 Full Changelog: [v0.1.0-alpha.32...v0.1.0-alpha.33](https://github.com/OneBusAway/java-sdk/compare/v0.1.0-alpha.32...v0.1.0-alpha.33)

README.md

@@ -2,8 +2,8 @@
 
 <!-- x-release-please-start-version -->
 
-[![Maven Central](https://img.shields.io/maven-central/v/org.onebusaway/onebusaway-sdk-java)](https://central.sonatype.com/artifact/org.onebusaway/onebusaway-sdk-java/0.1.0-alpha.33)
-[![javadoc](https://javadoc.io/badge2/org.onebusaway/onebusaway-sdk-java/0.1.0-alpha.33/javadoc.svg)](https://javadoc.io/doc/org.onebusaway/onebusaway-sdk-java/0.1.0-alpha.33)
+[![Maven Central](https://img.shields.io/maven-central/v/org.onebusaway/onebusaway-sdk-java)](https://central.sonatype.com/artifact/org.onebusaway/onebusaway-sdk-java/0.1.0-alpha.34)
+[![javadoc](https://javadoc.io/badge2/org.onebusaway/onebusaway-sdk-java/0.1.0-alpha.34/javadoc.svg)](https://javadoc.io/doc/org.onebusaway/onebusaway-sdk-java/0.1.0-alpha.34)
 
 <!-- x-release-please-end -->
 
@@ -15,7 +15,7 @@ It is generated with [Stainless](https://www.stainless.com/).
 
 <!-- x-release-please-start-version -->
 
-The REST API documentation can be found on [developer.onebusaway.org](https://developer.onebusaway.org). Javadocs are available on [javadoc.io](https://javadoc.io/doc/org.onebusaway/onebusaway-sdk-java/0.1.0-alpha.33).
+The REST API documentation can be found on [developer.onebusaway.org](https://developer.onebusaway.org). Javadocs are available on [javadoc.io](https://javadoc.io/doc/org.onebusaway/onebusaway-sdk-java/0.1.0-alpha.34).
 
 <!-- x-release-please-end -->
 
@@ -26,7 +26,7 @@ The REST API documentation can be found on [developer.onebusaway.org](https://de
 ### Gradle
 
 ```kotlin
-implementation("org.onebusaway:onebusaway-sdk-java:0.1.0-alpha.33")
+implementation("org.onebusaway:onebusaway-sdk-java:0.1.0-alpha.34")
 ```
 
 ### Maven
@@ -35,7 +35,7 @@ implementation("org.onebusaway:onebusaway-sdk-java:0.1.0-alpha.33")
 <dependency>
   <groupId>org.onebusaway</groupId>
   <artifactId>onebusaway-sdk-java</artifactId>
-  <version>0.1.0-alpha.33</version>
+  <version>0.1.0-alpha.34</version>
 </dependency>
 ```
 

build.gradle.kts

@@ -8,7 +8,7 @@ repositories {
 
 allprojects {
     group = "org.onebusaway"
-    version = "0.1.0-alpha.33" // x-release-please-version
+    version = "0.1.0-alpha.34" // x-release-please-version
 }
 
 subprojects {

onebusaway-sdk-java-core/src/main/resources/META-INF/proguard/onebusaway-sdk-java-core.pro

@@ -1,5 +1,5 @@
 # Jackson uses reflection and depends heavily on runtime attributes.
--keepattributes
+-keepattributes Exceptions,InnerClasses,Signature,Deprecated,*Annotation*
 
 # Jackson uses Kotlin reflection utilities, which themselves use reflection to access things.
 -keep class kotlin.reflect.** { *; }
@@ -17,13 +17,13 @@
     *;
 }
 
-# Jackson uses reflection to access the default constructors of serializers and deserializers.
--keepclassmembers class * extends org.onebusaway.core.BaseSerializer {
-    <init>();
-}
--keepclassmembers class * extends org.onebusaway.core.BaseDeserializer {
-    <init>();
-}
+# Jackson uses reified type information to serialize and deserialize our classes (via `TypeReference`).
+-keep class com.fasterxml.jackson.core.type.TypeReference { *; }
+-keep class * extends com.fasterxml.jackson.core.type.TypeReference { *; }
+
+# Jackson uses reflection to access our class serializers and deserializers.
+-keep @com.fasterxml.jackson.databind.annotation.JsonSerialize class org.onebusaway.** { *; }
+-keep @com.fasterxml.jackson.databind.annotation.JsonDeserialize class org.onebusaway.** { *; }
 
 # Jackson uses reflection to serialize and deserialize our classes based on their constructors and annotated members.
 -keepclassmembers class org.onebusaway.** {

onebusaway-sdk-java-proguard-test/build.gradle.kts

@@ -4,8 +4,13 @@ plugins {
 }
 
 buildscript {
+    repositories {
+        google()
+    }
+
     dependencies {
         classpath("com.guardsquare:proguard-gradle:7.4.2")
+        classpath("com.android.tools:r8:8.3.37")
     }
 }
 
@@ -15,7 +20,6 @@ dependencies {
     testImplementation("org.junit.jupiter:junit-jupiter-api:5.9.3")
     testImplementation("org.assertj:assertj-core:3.25.3")
     testImplementation("com.fasterxml.jackson.module:jackson-module-kotlin:2.13.4")
-    testImplementation("org.junit.platform:junit-platform-console:1.10.1")
 }
 
 tasks.shadowJar {
@@ -33,7 +37,6 @@ val proguardJar by tasks.registering(proguard.gradle.ProGuardTask::class) {
     outjars(proguardJarPath)
     printmapping("${layout.buildDirectory.get()}/proguard-mapping.txt")
 
-    verbose()
     dontwarn()
 
     val javaHome = System.getProperty("java.home")
@@ -58,17 +61,43 @@ val testProGuard by tasks.registering(JavaExec::class) {
     dependsOn(proguardJar)
     notCompatibleWithConfigurationCache("ProGuard")
 
-    mainClass.set("org.junit.platform.console.ConsoleLauncher")
+    mainClass.set("org.onebusaway.proguard.ProGuardCompatibilityTest")
     classpath = files(proguardJarPath)
+}
+
+val r8JarPath = "${layout.buildDirectory.get()}/libs/${project.name}-${project.version}-r8.jar"
+val r8Jar by tasks.registering(JavaExec::class) {
+    group = "verification"
+    dependsOn(tasks.shadowJar)
+    notCompatibleWithConfigurationCache("R8")
+
+    mainClass.set("com.android.tools.r8.R8")
+    classpath = buildscript.configurations["classpath"]
+
     args = listOf(
-        "--classpath", proguardJarPath,
-        "--scan-classpath",
-        "--details", "verbose",
+        "--release",
+        "--classfile",
+        "--output", r8JarPath,
+        "--lib", System.getProperty("java.home"),
+        "--pg-conf", "./test.pro",
+        "--pg-conf", "../onebusaway-sdk-java-core/src/main/resources/META-INF/proguard/onebusaway-sdk-java-core.pro",
+        "--pg-map-output", "${layout.buildDirectory.get()}/r8-mapping.txt",
+        tasks.shadowJar.get().archiveFile.get().asFile.absolutePath,
     )
 }
 
+val testR8 by tasks.registering(JavaExec::class) {
+    group = "verification"
+    dependsOn(r8Jar)
+    notCompatibleWithConfigurationCache("R8")
+
+    mainClass.set("org.onebusaway.proguard.ProGuardCompatibilityTest")
+    classpath = files(r8JarPath)
+}
+
 tasks.test {
     dependsOn(testProGuard)
+    dependsOn(testR8)
     // We defer to the tests run via the ProGuard JAR.
     enabled = false
 }

onebusaway-sdk-java-proguard-test/src/test/kotlin/org/onebusaway/proguard/ProGuardCompatibilityTest.kt

@@ -3,8 +3,9 @@
 package org.onebusaway.proguard
 
 import com.fasterxml.jackson.module.kotlin.jacksonTypeRef
+import kotlin.reflect.full.memberFunctions
+import kotlin.reflect.jvm.javaMethod
 import org.assertj.core.api.Assertions.assertThat
-import org.junit.jupiter.api.BeforeAll
 import org.junit.jupiter.api.Test
 import org.onebusaway.client.okhttp.OnebusawaySdkOkHttpClient
 import org.onebusaway.core.jsonMapper
@@ -14,12 +15,22 @@ internal class ProGuardCompatibilityTest {
 
     companion object {
 
-        @BeforeAll
         @JvmStatic
-        fun setUp() {
+        fun main(args: Array<String>) {
             // To debug that we're using the right JAR.
             val jarPath = this::class.java.getProtectionDomain().codeSource.location
             println("JAR being used: $jarPath")
+
+            // We have to manually run the test methods instead of using the JUnit runner because it
+            // seems impossible to get working with R8.
+            val test = ProGuardCompatibilityTest()
+            test::class
+                .memberFunctions
+                .asSequence()
+                .filter { function ->
+                    function.javaMethod?.isAnnotationPresent(Test::class.java) == true
+                }
+                .forEach { it.call(test) }
         }
     }
 

onebusaway-sdk-java-proguard-test/test.pro

@@ -2,4 +2,7 @@
 -keep class org.onebusaway.proguard.** { *; }
 
 # For the testing framework.
--keep class org.junit.** { *; }
+-keep class org.junit.** { *; }
+
+# Many warnings don't apply for our testing purposes.
+-dontwarn