eclass/java.eclass


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# Copyright 1999-2004 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/eclass/java.eclass,v 1.31 2006/07/07 17:15:05 nelchael Exp $
#
# Author: Karl Trygve Kalleberg <karltk@gentoo.org>

inherit eutils

DESCRIPTION="Based on the $ECLASS eclass"
JAVA_CONFIG_DEP="|| ( =dev-java/java-config-1.3* =dev-java/java-config-1.2* )"
DEPEND="${JAVA_CONFIG_DEP}
	sys-apps/findutils"
RDEPEND="${JAVA_CONFIG_DEP}"

export WANT_JAVA_CONFIG="1"

VMHANDLE=${PN}-${PV}

EXPORT_FUNCTIONS pkg_postinst pkg_prerm

java_pkg_postinst() {
	local jdk=${PN#*-}
	if [ ${jdk:0:3} == "jdk" ]; then
		java_set_default_vm_
	else
		# Only install the JRE as the system default if there's no JDK
		# installed. Installing a JRE over an existing JDK will result
		# in major breakage, see #9289.
		if [ ! -f "${JAVAC}" ]; then
			 ewarn "Found no JDK, setting ${VMHANDLE} as default system VM"
			java_set_default_vm_
	fi
	fi
	java_mozilla_clean_
}

java_pkg_prerm() {
	if java-config -J | grep -q ${P} ; then
		ewarn "It appears you are removing your default system VM!"
		ewarn "Please run java-config -L then java-config -S to set a new system VM!"
	fi
}

java_set_default_vm_() {
	java-config --set-system-vm=${VMHANDLE}
	/usr/sbin/env-update
	source /etc/profile

	echo
	einfo " After installing ${P} this"
	einfo " was set as the default JVM to run."
	einfo " When finished please run the following so your"
	einfo " enviroment gets updated."
	eerror "	/usr/sbin/env-update && source /etc/profile"
	einfo " Or use java-config program to set your preferred VM"
}

system_arch() {
	local sarch
	sarch=`echo $ARCH | sed -e s/[i]*.86/i386/ -e s/x86_64/amd64/ -e s/sun4u/sparc/ -e s/sparc64/sparc/ -e s/arm.*/arm/ -e s/sa110/arm/`
	if [ -z "$sarch" ] ; then
		sarch=`uname -m | sed -e s/[i]*.86/i386/ -e s/x86_64/amd64/ -e s/sun4u/sparc/ -e s/sparc64/sparc/ -e s/arm.*/arm/ -e s/sa110/arm/`
	fi
	echo $sarch
}

set_java_env() {
	dodir /etc/env.d/java
	platform=`system_arch`

	sed \
		-e "s/@P@/${P}/g" \
		-e "s/@PN@/${PN}/g" \
		-e "s/@PV@/${PV}/g" \
		-e "s/@PF@/${PF}/g" \
		-e "s/@PLATFORM@/${platform}/g" \
		-e "/^ADDLDPATH=.*lib\\/\\\"/s|\"\\(.*\\)\"|\"\\1${platform}/:\\1${platform}/server/\"|" \
		< $1 \
		> ${D}/etc/env.d/java/20`basename $1` || die
}


java_get_plugin_dir_() {
	echo /usr/$(get_libdir)/nsbrowser/plugins
}

install_mozilla_plugin() {
	if [ ! -f ${D}/$1 ] ; then
		die "Cannot find mozilla plugin at ${D}/${1}"
	fi

	local plugin_dir=$(java_get_plugin_dir_)
	dodir ${plugin_dir}
	dosym ${1} ${plugin_dir}/javaplugin.so
}

java_mozilla_clean_() {
	#Because previously some ebuilds installed symlinks outside of pkg_install
	#and are left behind, which forces you to manualy remove them to select the
	#jdk/jre you want to use for java
	local plugin_dir=$(java_get_plugin_dir_)
	for file in ${plugin_dir}/javaplugin_*; do
		rm -f ${file}
	done
	for file in ${plugin_dir}/libjavaplugin*; do
		rm -f ${file}
	done
}

# Use this to remove libjsoundalsa.so from ${D}.
# You generally would want to use this like:
# use !alsa && java_remove-libjoundalsa /opt/${P}
java_remove-libjsoundalsa() {
	[[ ${#} -ne 1 ]] && die "Expected one argument"
	local search_path="$@"
	local libs=$(find ${D}/${search_path} -name libjsoundalsa.so)
	if [[ -n ${libs} ]]; then
		rm ${libs} || die "Failed to delete ${libs}"
	fi
}

# Symlinks i386 to i?86. Updates env file to then use i?86 
# for LD_LIBRARY_PATH. See bug #23579.
#
# Takes an argument, which is a directory living in ${D}
# which has a directory named i386, that should be i686, i486, etc.
# This argument defaults to /opt/${P}/jre/lib
fix-i386-dir() {
	[[ ${#} != 1 ]] && die "Expected one argument"
	local libdir=${1}
	if use x86; then
		local host=${CTARGET:-${CHOST}}
		host=${host%%-*}
		
		if [[ ${host} != i386 ]]; then
			local orig_dir="${libdir}/i386"
			local new_dir="${libdir}/${host}"
			dosym i386 ${new_dir} || die "Failed to dosym"
			

			sed -i -e "s/i386/${host}/g" \
				${D}/etc/env.d/java/20${VMHANDLE} || die "Failed to sed"
		fi
	fi
}