weka-3.7.13.ebuild

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# Copyright 1999-2016 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2

EAPI="6"

JAVA_PKG_IUSE="source"

inherit java-pkg-2 java-ant-2 versionator

MY_P="${PN}-$(replace_all_version_separators '-')"
DESCRIPTION="A Java data mining package"
SRC_URI="mirror://sourceforge/${PN}/${MY_P}.zip"
HOMEPAGE="http://www.cs.waikato.ac.nz/ml/weka/"
SLOT="0"
LICENSE="GPL-2"
KEYWORDS="amd64 x86"
DEPEND=">=virtual/jdk-1.6
	app-arch/unzip
	>=dev-java/javacup-0.11a_beta20060608:0"
RDEPEND=">=virtual/jre-1.6
	>=dev-java/javacup-0.11a_beta20060608:0"
IUSE=""

S="${WORKDIR}/${MY_P}"

PATCHES=("${FILESDIR}"/${P}-build.xml.patch)

EANT_BUILD_TARGET="exejar"
EANT_DOC_TARGET="docs"
JAVA_ANT_IGNORE_SYSTEM_CLASSES="true"

weka_get_max_memory() {
	if use amd64; then
		echo 512m
	else
		echo 256m
	fi
}

src_prepare() {
	unzip -qq "${PN}-src.jar" -d . || die "Failed to unpack the source"
	rm -v weka.jar || die
	rm -rf doc || die
	java-pkg_jar-from --into lib javacup

	sed -i -e "s/256m/$(weka_get_max_memory)/g" build.xml || die
	default
}

src_install() {
	java-pkg_dojar dist/${PN}.jar
	java-pkg_dolauncher weka --main "${PN}.gui.GUIChooser"

	# Really need a virtual to list all available drivers and pull the ones
	# instaled
	java-pkg_register-optional-dependency hsqldb,jdbc-mysql,mckoi-1

	use source && java-pkg_dosrc src/main/java/weka/

	dodoc README

	dodir /usr/share/${PN}/data/
	insinto /usr/share/${PN}/data/
	doins data/*
}

Thank you!