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# Copyright 1999-2018 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2

EAPI="6"
JAVA_PKG_IUSE="doc source"

inherit java-pkg-2 java-pkg-simple

DESCRIPTION="Google's Protocol Buffers - Java bindings"
HOMEPAGE="https://developers.google.com/protocol-buffers/ https://github.com/google/protobuf"
SRC_URI="https://github.com/google/protobuf/archive/v${PV}.tar.gz -> protobuf-${PV}.tar.gz"

LICENSE="BSD"
SLOT="0/15"
KEYWORDS="amd64 ~arm ~arm64 ppc64 ~sh x86 ~amd64-linux ~x86-linux ~x64-macos ~x86-macos"
IUSE="nano"

DEPEND="~dev-libs/protobuf-${PV}
	>=virtual/jdk-1.7"
RDEPEND=">=virtual/jre-1.7
	!<dev-libs/protobuf-3[java(-)]"

S="${WORKDIR}/protobuf-${PV}"

src_prepare() {
	default
	java-pkg-2_src_prepare
}

src_compile() {
	einfo "Compiling Java library..."
	pushd java > /dev/null || die
	"${EPREFIX}/usr/bin/protoc" --java_out=core/src/main/java -I../src ../src/google/protobuf/descriptor.proto || die
	JAVA_SRC_DIR="core/src/main/java" JAVA_JAR_FILENAME="protobuf.jar" java-pkg-simple_src_compile
	popd > /dev/null || die

	if use nano; then
		einfo "Compiling Java Nano library..."
		pushd javanano > /dev/null || die
		"${EPREFIX}/usr/bin/protoc" --java_out=src/main/java -I../src ../src/google/protobuf/descriptor.proto || die
		JAVA_SRC_DIR="src/main/java" JAVA_GENTOO_CLASSPATH_EXTRA="../java/core/src/main/java" JAVA_JAR_FILENAME="protobuf-nano.jar" java-pkg-simple_src_compile
		popd > /dev/null || die
	fi
}

src_install() {
	local JAVA_SRC_DIR="java/core/src/main/java"
	local JAVA_JAR_FILENAME="java/protobuf.jar"
	if use nano; then
		JAVA_SRC_DIR+=" javanano/src/main/java"
		JAVA_JAR_FILENAME+=" javanano/protobuf-nano.jar"
	fi

	mv java/target . || die
	if use nano; then
		cp -r javanano/target . || die
	fi

	java-pkg-simple_src_install
}