dev-java/protobuf-java: add 4.30.2

Mirror ABSEIL_MIN_VER from dev-libs/protobuf.
Use ver_cut where possible.
Use PV as subslot as we do for dev-python/protobuf.
Update truth to 1.4.4 (latest upstream)

Signed-off-by: Paul Zander <negril.nx+gentoo@gmail.com>
Signed-off-by: Sam James <sam@gentoo.org>

2 files changed, 165 insertions, 0 deletions

diff --git a/dev-java/protobuf-java/Manifest b/dev-java/protobuf-java/Manifest
index b80a44781df9..5a928e3904f5 100644
--- a/dev-java/protobuf-java/Manifest
+++ b/dev-java/protobuf-java/Manifest
@@ -2,4 +2,6 @@ DIST protobuf-28.3.tar.gz 9256608 BLAKE2B 05162124676abe18300481e9f985fd2cfb09b0
 DIST protobuf-29.2.tar.gz 9348408 BLAKE2B 847798474bc6a76b9badfdbf605e118dece5e321e81242d7fa1bf5f5d17ee05a3d365ec112dc6d861cade97efff8be1d5d04006a5144f613bdb3ff5eacc63b99 SHA512 aeb21773edc3dd92a6c1ba6ccd721cc8a20d61230a5309c75ee3ef19baa554c228a6d1095f191ccc18f10183b646f3140dfe6526f5812bcaa64b7d5260572643
 DIST protobuf-29.3.tar.gz 9348951 BLAKE2B 8d37daac6f0d832e5bff5c56b9be73fce1fe016ca4e905f4c66d8fea20fabbee54a6be2c824f503d40f8492a4ec6280a539c454de9a118b69ebc57f2afe3d965 SHA512 0c776133f5789d21baa8860cb41e7926a162d74810a01722b762a78f93e559494e903fcaa092515bfe2ce057fd065a5dd000b316edb1af32c2ef9dbadf02b4c6
 DIST protobuf-29.4.tar.gz 9350942 BLAKE2B fd3b81905e26db2ec3b54eaf30cf250db2894f91d5da73130106f6778f4e2f13b690961eecb8f5b8c23ac72428753611cd9bf719da986083e09ab32160e25314 SHA512 c888cb9961d58b7fb11a3363ff4d2684605cdd79756712f407ffe5f275569bf69b4370f1d2a0e20775646745cddd41a9b510f1c1981be4e969c9acf0dc2ba734
+DIST protobuf-30.2.tar.gz 9506934 BLAKE2B 3a7d6bfa38500b16b1ce52b244fd9448fe7be2933a77224a1423a67e3ae3155846c0974ee1b6c579f6050f60b7784ace21b149b3cbdff2ef1e6bf954acbb1b51 SHA512 555d1b18d175eeaf17f3879f124d33080f490367840d35b34bfc4e4a5b383bf6a1d09f1570acb6af9c53ac4940a14572d46423b6e3dd0c712e7802c986fb6be6
 DIST truth-1.1.3.jar 243021 BLAKE2B a59149038c62ef5dd352b13d4b393e1b7715fbafe5ed86ec2d16d722c738a31dcdca10132fc73b17b367ac4309e5407ba2e489f8d4c8fbca60ce5f35ae75d1e3 SHA512 f29a9fb070aff8a32358a7b6c8998c0095de5d8d68afa7f7bac759c7050309deff929e767657ecbbefd96163460f10255ca01bc567ab30df4834b9d916a4fae8
+DIST truth-1.4.4.jar 274574 BLAKE2B b8ada1085b9f463daf82827a3f080d599719846eed8b68a3c4341b087d8e86d1fc690820eaaab900531ac4cb75b928542215d622b1e93cb268d43f02daf248e2 SHA512 f6b817bd148a4dae757b836d9b9ddc6812a079bebd8febfc34504fc252c8ca2fe895e6978f697d9c64e7255d32611994246dd691a6d3cbea47b3a9bcdb53e282
diff --git a/dev-java/protobuf-java/protobuf-java-4.30.2.ebuild b/dev-java/protobuf-java/protobuf-java-4.30.2.ebuild
new file mode 100644
index 000000000000..d6c978e01de4
--- /dev/null
+++ b/dev-java/protobuf-java/protobuf-java-4.30.2.ebuild
@@ -0,0 +1,163 @@
+# Copyright 2008-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+# NOTE from https://github.com/protocolbuffers/protobuf/blob/main/cmake/dependencies.cmake
+ABSEIL_MIN_VER="20250127.0"
+
+JAVA_PKG_IUSE="doc source test"
+MAVEN_ID="com.google.protobuf:protobuf-java:${PV}"
+JAVA_TESTING_FRAMEWORKS="junit-4"
+
+inherit java-pkg-2 java-pkg-simple cmake
+
+DESCRIPTION="Core Protocol Buffers library"
+HOMEPAGE="https://protobuf.dev"
+# Currently we bundle the binary version of truth.jar used only for tests, we don't install it.
+# And we build artifact x.y.z from the y.z tarball in order to allow sharing the tarball with
+# dev-libs/protobuf.
+MY_PV="$(ver_cut 2-3)"
+MY_PV="${MY_PV/_rc/-rc}"
+TV="1.4.4"
+SRC_URI="
+	https://github.com/protocolbuffers/protobuf/archive/v${MY_PV}.tar.gz -> protobuf-${MY_PV}.tar.gz
+	test? (
+		https://repo1.maven.org/maven2/com/google/truth/truth/${TV}/truth-${TV}.jar
+	)
+"
+S="${WORKDIR}/protobuf-${MY_PV}"
+
+LICENSE="BSD"
+SLOT="0/$(ver_cut 1)"
+KEYWORDS="~amd64 ~arm64 ~ppc64 ~amd64-linux ~x86-linux ~x64-macos"
+IUSE="system-protoc"
+
+BDEPEND="
+	system-protoc? ( dev-libs/protobuf:0/${MY_PV}.0[protoc] )
+	!system-protoc? ( >=dev-cpp/abseil-cpp-${ABSEIL_MIN_VER}:= )
+"
+DEPEND="
+	>=virtual/jdk-1.8:*
+	test? (
+		dev-java/guava:0
+		dev-java/mockito:4
+	)
+"
+RDEPEND="
+	>=virtual/jre-1.8:*
+"
+
+JAVA_AUTOMATIC_MODULE_NAME="com.google.protobuf"
+JAVA_JAR_FILENAME="protobuf.jar"
+JAVA_RESOURCE_DIRS="java/core/src/main/resources"
+JAVA_SRC_DIR="java/core/src/main/java"
+
+JAVA_TEST_GENTOO_CLASSPATH="guava,junit-4,mockito-4"
+JAVA_TEST_SRC_DIR="java/core/src/test/java"
+
+run-protoc() {
+	if use system-protoc; then
+		protoc "$1"
+	else
+		"${BUILD_DIR}/protoc" "$1"
+	fi
+}
+
+src_prepare() {
+	# If the corresponding version of system-protoc is not available we build protoc locally
+	if use system-protoc; then
+		 # apply patches
+		default
+	else
+		cmake_src_prepare
+	fi
+	java-pkg-2_src_prepare
+
+	# https://github.com/protocolbuffers/protobuf/blob/main/java/core/generate-sources-build.xml
+	einfo "Replace variables in generate-sources-build.xml"
+	sed \
+		-e 's:${generated.sources.dir}:java/core/src/main/java:' \
+		-e 's:${protobuf.java_source.dir}:java/core/src/main/resources:' \
+		-e 's:${protobuf.source.dir}:src:' \
+		-e 's:^.*value="::' -e 's:\"/>::' \
+		-e '/project\|echo\|mkdir\|exec/d' \
+		-i java/core/generate-sources-build.xml || die "sed to sources failed"
+
+	# https://github.com/protocolbuffers/protobuf/blob/main/java/core/generate-test-sources-build.xml
+	einfo "Replace variables in generate-test-sources-build.xml"
+	sed \
+		-e 's:${generated.testsources.dir}:java/core/src/test/java:' \
+		-e 's:${protobuf.source.dir}:src:' \
+		-e 's:${test.proto.dir}:java/core/src/test/proto:' \
+		-e 's:^.*value="::' -e 's:\"/>::' \
+		-e '/project\|mkdir\|exec\|Also generate/d' \
+		-i java/core/generate-test-sources-build.xml || die "sed to test sources failed"
+
+	# Split the file in two parts, one for each run-protoc call
+	awk '/--java_out/{x="test-sources-build-"++i;}{print > x;}' \
+		java/core/generate-test-sources-build.xml || die
+}
+
+src_configure() {
+	local mycmakeargs=(
+		-Dprotobuf_BUILD_TESTS=OFF
+		-Dprotobuf_ABSL_PROVIDER=package
+	)
+	if ! use system-protoc; then
+		cmake_src_configure
+	fi
+}
+
+src_compile() {
+	if ! use system-protoc; then
+		cmake_src_compile
+	fi
+
+	einfo "Run protoc to generate sources"
+	run-protoc \
+		@java/core/generate-sources-build.xml \
+		|| die "protoc sources failed"
+
+	java-pkg-simple_src_compile
+}
+
+src_test() {
+	local -x JAVA_GENTOO_CLASSPATH_EXTRA="${DISTDIR}/truth-${TV}.jar"
+
+	# google/protobuf/java_features.proto: File not found.
+	cp {java/core/src/main/resources,src}/google/protobuf/java_features.proto || die
+
+	einfo "Running protoc on first part of generate-test-sources-build.xml"
+	run-protoc @test-sources-build-1 \
+		|| die "run-protoc test-sources-build-1 failed"
+
+	einfo "Running protoc on second part of generate-test-sources-build.xml"
+	run-protoc @test-sources-build-2 \
+		|| die "run-protoc test-sources-build-2 failed"
+
+	# java/core/src/test/java/editions_unittest/TestDelimited.java:2867:
+	# error: package editions_unittest.MessageImport does not exist
+	rm java/core/src/test/java/com/google/protobuf/TextFormatTest.java || die
+
+	einfo "Running tests"
+	# Invalid test class 'map_test.MapInitializationOrderTest':
+	# 1. Test class should have exactly one public constructor
+	# Invalid test class 'protobuf_unittest.CachedFieldSizeTest':
+	# 1. Test class should have exactly one public constructor
+	pushd "${JAVA_TEST_SRC_DIR}" >/dev/null || die
+		local JAVA_TEST_RUN_ONLY=$(find ./* \
+			-path "**/*Test.java" \
+			! -path "**/Abstract*Test.java" \
+			! -name "MapInitializationOrderTest.java" \
+			! -path '*protobuf_unittest/CachedFieldSizeTest.java'
+			)
+	popd >/dev/null || die
+	JAVA_TEST_RUN_ONLY="${JAVA_TEST_RUN_ONLY//.java}"
+	JAVA_TEST_RUN_ONLY="${JAVA_TEST_RUN_ONLY//\//.}"
+	java-pkg-simple_src_test
+}
+
+src_install() {
+	java-pkg-simple_src_install
+}