zitadel-java-grpc/pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
	<modelVersion>4.0.0</modelVersion>
	<parent>
		<groupId>org.springframework.boot</groupId>
		<artifactId>spring-boot-starter-parent</artifactId>
		<version>4.0.6</version>
		<relativePath/>
	</parent>
	<groupId>com.example</groupId>
	<artifactId>demo</artifactId>
	<version>0.0.1-SNAPSHOT</version>
	<properties>
		<java.version>25</java.version>
		<zitadel.tag>v4.15.0</zitadel.tag>
		<zitadel.version>4.15.0</zitadel.version>
		<grpc.version>1.69.0</grpc.version>
		<protobuf.version>3.25.5</protobuf.version>
		<googleapis.commit>master</googleapis.commit>
		<protoc-gen-validate.version>v1.0.4</protoc-gen-validate.version>
		<grpc-gateway.version>v2.20.0</grpc-gateway.version>
	</properties>

	<dependencies>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter</artifactId>
		</dependency>
		<dependency>
			<groupId>com.fasterxml.jackson.core</groupId>
			<artifactId>jackson-databind</artifactId>
		</dependency>
		<dependency>
			<groupId>com.auth0</groupId>
			<artifactId>java-jwt</artifactId>
			<version>4.4.0</version>
		</dependency>

		<dependency>
			<groupId>io.grpc</groupId>
			<artifactId>grpc-netty-shaded</artifactId>
			<version>${grpc.version}</version>
		</dependency>
		<dependency>
			<groupId>io.grpc</groupId>
			<artifactId>grpc-protobuf</artifactId>
			<version>${grpc.version}</version>
		</dependency>
		<dependency>
			<groupId>io.grpc</groupId>
			<artifactId>grpc-stub</artifactId>
			<version>${grpc.version}</version>
		</dependency>
		<dependency>
			<groupId>com.google.protobuf</groupId>
			<artifactId>protobuf-java</artifactId>
			<version>${protobuf.version}</version>
		</dependency>
		<dependency>
			<groupId>com.google.protobuf</groupId>
			<artifactId>protobuf-java-util</artifactId>
			<version>${protobuf.version}</version>
		</dependency>
		<!-- gRPC's generated code references javax.annotation.Generated -->
		<dependency>
			<groupId>org.apache.tomcat</groupId>
			<artifactId>annotations-api</artifactId>
			<version>6.0.53</version>
			<scope>provided</scope>
		</dependency>

		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-test</artifactId>
			<scope>test</scope>
		</dependency>
	</dependencies>

	<build>
		<extensions>
			<extension>
				<groupId>kr.motd.maven</groupId>
				<artifactId>os-maven-plugin</artifactId>
				<version>1.7.1</version>
			</extension>
		</extensions>
		<plugins>
			<!-- 1. Fetch Zitadel + 3rd-party proto sources into target/proto -->
			<plugin>
				<groupId>org.apache.maven.plugins</groupId>
				<artifactId>maven-antrun-plugin</artifactId>
				<version>3.1.0</version>
				<executions>
					<execution>
						<id>fetch-protos</id>
						<phase>generate-sources</phase>
						<goals><goal>run</goal></goals>
						<configuration>
							<target xmlns:unless="ant:unless">
								<property name="proto.root" value="${project.build.directory}/proto"/>
								<property name="proto.deps" value="${project.build.directory}/proto"/>
								<property name="proto.work" value="${project.build.directory}/proto-work"/>

								<!-- Zitadel: download + extract proto/zitadel only if not already present -->
								<condition property="zitadel.fetched">
									<available file="${proto.root}/zitadel/user/v2/user_service.proto"/>
								</condition>
								<sequential unless:true="zitadel.fetched">
									<mkdir dir="${proto.work}"/>
									<get src="https://github.com/zitadel/zitadel/archive/refs/tags/${zitadel.tag}.tar.gz"
									     dest="${proto.work}/zitadel.tar.gz"
									     skipexisting="true"/>
									<untar src="${proto.work}/zitadel.tar.gz" dest="${proto.work}" compression="gzip"/>
									<mkdir dir="${proto.root}/zitadel"/>
									<copy todir="${proto.root}/zitadel">
										<fileset dir="${proto.work}/zitadel-${zitadel.version}/proto/zitadel"/>
									</copy>
								</sequential>

								<!-- googleapis (we only need a few files) -->
								<mkdir dir="${proto.deps}/google/api"/>
								<get src="https://raw.githubusercontent.com/googleapis/googleapis/${googleapis.commit}/google/api/annotations.proto" dest="${proto.deps}/google/api/annotations.proto" skipexisting="true"/>
								<get src="https://raw.githubusercontent.com/googleapis/googleapis/${googleapis.commit}/google/api/http.proto" dest="${proto.deps}/google/api/http.proto" skipexisting="true"/>
								<get src="https://raw.githubusercontent.com/googleapis/googleapis/${googleapis.commit}/google/api/field_behavior.proto" dest="${proto.deps}/google/api/field_behavior.proto" skipexisting="true"/>

								<!-- protoc-gen-validate -->
								<mkdir dir="${proto.deps}/validate"/>
								<get src="https://raw.githubusercontent.com/bufbuild/protoc-gen-validate/${protoc-gen-validate.version}/validate/validate.proto" dest="${proto.deps}/validate/validate.proto" skipexisting="true"/>

								<!-- grpc-gateway openapiv2 options -->
								<mkdir dir="${proto.deps}/protoc-gen-openapiv2/options"/>
								<get src="https://raw.githubusercontent.com/grpc-ecosystem/grpc-gateway/${grpc-gateway.version}/protoc-gen-openapiv2/options/annotations.proto" dest="${proto.deps}/protoc-gen-openapiv2/options/annotations.proto" skipexisting="true"/>
								<get src="https://raw.githubusercontent.com/grpc-ecosystem/grpc-gateway/${grpc-gateway.version}/protoc-gen-openapiv2/options/openapiv2.proto" dest="${proto.deps}/protoc-gen-openapiv2/options/openapiv2.proto" skipexisting="true"/>
							</target>
						</configuration>
					</execution>
				</executions>
			</plugin>

			<!-- 2. Compile zitadel/user/v2 (and transitively required) protos to Java + gRPC stubs -->
			<plugin>
				<groupId>org.xolstice.maven.plugins</groupId>
				<artifactId>protobuf-maven-plugin</artifactId>
				<version>0.6.1</version>
				<configuration>
					<protocArtifact>com.google.protobuf:protoc:${protobuf.version}:exe:${os.detected.classifier}</protocArtifact>
					<pluginId>grpc-java</pluginId>
					<pluginArtifact>io.grpc:protoc-gen-grpc-java:${grpc.version}:exe:${os.detected.classifier}</pluginArtifact>
					<protoSourceRoot>${project.build.directory}/proto</protoSourceRoot>
					<includes>
						<include>zitadel/user/v2/*.proto</include>
						<include>zitadel/object/v2/*.proto</include>
						<include>zitadel/filter/v2/*.proto</include>
						<include>zitadel/metadata/v2/*.proto</include>
						<include>zitadel/protoc_gen_zitadel/v2/*.proto</include>
						<include>validate/validate.proto</include>
						<include>protoc-gen-openapiv2/options/*.proto</include>
					</includes>
				</configuration>
				<executions>
					<execution>
						<goals>
							<goal>compile</goal>
							<goal>compile-custom</goal>
						</goals>
					</execution>
				</executions>
			</plugin>

			<plugin>
				<groupId>org.springframework.boot</groupId>
				<artifactId>spring-boot-maven-plugin</artifactId>
			</plugin>
		</plugins>
	</build>

</project>