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Bazel Java

bazel build //:java-maven
# 构建完整的包,包含所有依赖,可部署执行
bazel build //:java-maven_deploy.jar

# Maven 迁移
git clone https://github.com/bazelbuild/migration-tooling.git
# 定义执行文件
java_binary(
name = "ProjectRunner",
srcs = glob(["src/main/java/com/example/ProjectRunner.java"]),
# 依赖
deps = [":greeter"],
main_class = "com.example.ProjectRunner",
)

# 定义库
java_library(
name = "greeter",
srcs = ["src/main/java/com/example/Greeting.java"],
# 默认当前 BUILD 文件可见
visibility = ["//src/main/java/com/example/cmdline:__pkg__"],
)

Maven

# 查看所有依赖,输出为 BUILD
bazel query @maven//:all --output=build
load("@rules_jvm_external//:defs.bzl", "maven_install", "artifact")

load("@rules_jvm_external//:defs.bzl", "artifact")
# 可以使用 artifact("junit:junit") 而不是 @maven//:junit_junit

WORKSPACE

load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")

RULES_JVM_EXTERNAL_TAG = "2.6.1"
RULES_JVM_EXTERNAL_SHA = "45203b89aaf8b266440c6b33f1678f516a85b3e22552364e7ce6f7c0d7bdc772"

# 下载规则依赖
http_archive(
name = "rules_jvm_external",
strip_prefix = "rules_jvm_external-%s" % RULES_JVM_EXTERNAL_TAG,
sha256 = RULES_JVM_EXTERNAL_SHA,
url = "https://github.com/bazelbuild/rules_jvm_external/archive/%s.zip" % RULES_JVM_EXTERNAL_TAG,
)

# 导入
load("@rules_jvm_external//:defs.bzl", "maven_install")

# 定义 Maven 仓库和使用的包
maven_install(
artifacts = [
"junit:junit:4.12",
"androidx.test.espresso:espresso-core:3.1.1",
"org.hamcrest:hamcrest-library:1.3",
],
repositories = [
# Private repositories are supported through HTTP Basic auth
"http://username:[email protected]:8081/artifactory/my-repository",
"https://jcenter.bintray.com/",
"https://maven.google.com",
"https://repo1.maven.org/maven2",
],
)

BUILD

java_library(
name = "java_test_deps",
exports = [
"@maven//:junit_junit"
"@maven//:org_hamcrest_hamcrest_library",
],
)

android_library(
name = "android_test_deps",
exports = [
"@maven//:junit_junit"
"@maven//:androidx_test_espresso_espresso_core",
],
)