chore: Add preliminary gradle build.

.gitattributes

@@ -1 +1,9 @@
-*		text=auto
+#
+# https://help.github.com/articles/dealing-with-line-endings/
+#
+# Linux start script should use lf
+/gradlew        text eol=lf
+
+# These are Windows script files and should use crlf
+*.bat           text eol=crlf
+

.github/workflows/ci.yml

@@ -0,0 +1,26 @@
+---
+name: ci
+
+on:
+  pull_request:
+    branches: [master]
+
+# Cancel old PR builds when pushing new commits.
+concurrency:
+  group: build-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  common:
+    uses: TokTok/ci-tools/.github/workflows/common-ci.yml@master
+
+  docker-jvm:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      - name: Build toxchat/jvm-toxcore-c:jvm
+        uses: docker/build-push-action@v5
+        with:
+          file: docker/jvm.Dockerfile
+          tags: toxchat/jvm-toxcore-c:jvm

.gitignore

@@ -1,20 +1,3 @@
-# GitHub pages.
-/.web
-
-# SBT compiled build system.
-/project/project
-/project/target
-
-# SBT output directory.
-/target
-
-# Generated startup scripts for main classes.
-/bin
-
-# Local user settings for SBT and Java.
-/local.sbt
-/local.properties
-
 # CMake build directory.
 /android-ndk-*.zip
 _git
@@ -34,14 +17,11 @@ _install
 # Virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
 hs_err_pid*
 
-# Debug log from toxcore.
-libtoxcore.log
-
 # Gradle temporary directory.
 .gradle
 
 # Java runtime support for disassembly.
 hsdis-*.*
 
-# Generated proguard configuration.
-/proguard-sbt.txt
+# Ignore Gradle build output directory
+build

.restyled.yaml

@@ -0,0 +1,3 @@
+---
+exclude:
+  - "gradlew"

BUILD.bazel

@@ -14,23 +14,23 @@ genrule(
         "//tools/config:osx": ["@bazel_tools//tools/jdk:jni_md_header-darwin"],
         "//tools/config:windows": ["@bazel_tools//tools/jdk:jni_md_header-windows"],
     }),
-    outs = ["cpp/src/jni_md.h"],
+    outs = ["lib/src/main/cpp/jni_md.h"],
     cmd = "cp -f $< $@",
 )
 
 genrule(
     name = "copy_link_jni_header",
     srcs = ["@bazel_tools//tools/jdk:jni_header"],
-    outs = ["cpp/src/jni.h"],
+    outs = ["lib/src/main/cpp/jni.h"],
     cmd = "cp -f $< $@",
 )
 
 proto_library(
     name = "jni_proto",
     srcs = [
-        "src/main/protobuf/Av.proto",
-        "src/main/protobuf/Core.proto",
-        "src/main/protobuf/ProtoLog.proto",
+        "lib/src/main/proto/Av.proto",
+        "lib/src/main/proto/Core.proto",
+        "lib/src/main/proto/ProtoLog.proto",
     ],
 )
 
@@ -47,28 +47,28 @@ java_proto_library(
 cc_binary(
     name = "libtox4j-c.so",
     srcs = glob([
-        "cpp/src/**/*.cpp",
-        "cpp/src/**/*.h",
+        "lib/src/main/cpp/**/*.cpp",
+        "lib/src/main/cpp/**/*.h",
     ]) + [
-        ":cpp/src/jni.h",
-        ":cpp/src/jni_md.h",
+        ":lib/src/main/cpp/jni.h",
+        ":lib/src/main/cpp/jni_md.h",
     ],
     copts = [
         "-DHAVE_TO_STRING",
     ],
     includes = [
-        "cpp/src",
-        "src/main/protobuf",
+        "lib/src/main/cpp",
+        "lib/src/main/proto",
     ],
     linkopts = select({
-        "//tools/config:freebsd": ["-Wl,--version-script,$(location cpp/src/libtox4j-c.ld)"],
-        "//tools/config:linux": ["-Wl,--version-script,$(location cpp/src/libtox4j-c.ld)"],
+        "//tools/config:freebsd": ["-Wl,--version-script,$(location lib/src/main/cpp/libtox4j-c.ld)"],
+        "//tools/config:linux": ["-Wl,--version-script,$(location lib/src/main/cpp/libtox4j-c.ld)"],
         "//tools/config:osx": [],
         "//tools/config:windows": [],
     }),
     linkshared = True,
     deps = [
-        "cpp/src/libtox4j-c.ld",
+        "lib/src/main/cpp/libtox4j-c.ld",
         ":jni_cc_proto",
         "//c-toxcore",
     ],
@@ -77,8 +77,8 @@ cc_binary(
 kt_jvm_library(
     name = "jvm-toxcore-c",
     srcs = glob([
-        "src/main/java/**/*.java",
-        "src/main/java/**/*.kt",
+        "lib/src/main/java/**/*.java",
+        "lib/src/main/java/**/*.kt",
     ]),
     data = ["libtox4j-c.so"],
     deps = [":jni_java_proto"],
@@ -87,7 +87,7 @@ kt_jvm_library(
 kt_jvm_test(
     name = "ToxCoreTest",
     size = "small",
-    srcs = ["src/test/java/im/tox/tox4j/core/ToxCoreTest.kt"],
+    srcs = ["lib/src/test/java/im/tox/tox4j/core/ToxCoreTest.kt"],
     jvm_flags = ["-Djava.library.path=jvm-toxcore-c"],
     test_class = "im.tox.tox4j.core.ToxCoreTest",
     deps = [

docker/jvm.Dockerfile

@@ -0,0 +1,25 @@
+FROM ubuntu:22.04
+
+RUN apt-get update \
+ && DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
+ autoconf \
+ automake \
+ build-essential \
+ ca-certificates \
+ cmake \
+ default-jdk \
+ git \
+ libtool \
+ make \
+ pkg-config \
+ yasm \
+ && apt-get clean \
+ && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /work/jvm-toxcore-c
+COPY scripts/ /work/jvm-toxcore-c/scripts/
+RUN scripts/build-host "$PWD/_install/host/protobuf.stamp" "-j$(nproc)"
+RUN scripts/build-host "$PWD/_install/host/toxcore.stamp" "-j$(nproc)"
+COPY lib/src/main/cpp/ /work/jvm-toxcore-c/lib/src/main/cpp/
+COPY lib/src/main/proto/ /work/jvm-toxcore-c/lib/src/main/proto/
+RUN scripts/build-host "$PWD/_install/host/tox4j.stamp" "-j$(nproc)"

gradle.properties

@@ -0,0 +1,6 @@
+# This file was generated by the Gradle 'init' task.
+# https://docs.gradle.org/current/userguide/build_environment.html#sec:gradle_configuration_properties
+
+org.gradle.parallel=true
+org.gradle.caching=true
+

gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,7 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.6-bin.zip
+networkTimeout=10000
+validateDistributionUrl=true
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists