Initial commit: move from old overlay.

1 files changed, 200 insertions, 0 deletions

diff --git a/eclass/java-webapp.eclass b/eclass/java-webapp.eclass
new file mode 100644
index 0000000..c7a3cdd
--- /dev/null
+++ b/eclass/java-webapp.eclass
@@ -0,0 +1,200 @@
+# Copyright 1999-2007 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: $
+
+#
+# Original Author: nelchael
+# Purpose: contains common functions for Java web applications
+#
+
+inherit java-utils-2
+
+DEPENDS="app-arch/zip
+	app-arch/unzip"
+
+# TODO: documentation
+# TODO: list of supported servers?
+
+# Keep this list sorted!
+SUPPORTED_WEB_SERVERS="
+	www-servers/jboss
+	www-servers/jetty
+	www-servers/resin
+	www-servers/tomcat
+"
+
+EXPORT_FUNCTIONS pkg_postinst
+
+function _resolve_symlink() {
+
+	debug-print-function ${FUNCNAME} $*
+
+	[[ -z "${1}" ]] && die "Missing symlink name"
+
+	local fn="$(find "${S}" -type l -name "${1}")"
+	[[ -z "${fn}" ]] && return
+	readlink "${fn}" || die "readlink failed"
+
+}
+
+function _get_owning_package() {
+
+	debug-print-function ${FUNCNAME} $*
+
+	[[ -z "${1}" ]] && die "Missing jar name"
+	grep "^${1}@" "${T}/java-pkg-depend" | cut -d '@' -f 2
+
+}
+
+function _ensure_owner() {
+
+	debug-print-function ${FUNCNAME} $*
+
+	[[ -z "${1}" ]] && die "Missing package name"
+	[[ -n "$(grep -E "@?${1}" "${T}/java-pkg-depend")" ]]
+
+}
+
+function _postprocess_war() {
+
+	debug-print-function ${FUNCNAME} $*
+
+	[[ ${#} != 1 ]] && die "Missing argument!"
+
+	if [[ -z "$(unzip -t "${1}" | grep WEB-INF/lib/)" ]]; then
+		ewarn 'No WEB-INF/lib found in archive!'
+		return
+	fi
+
+	echo ">>> Post processing $(basename "${1}") ..."
+
+	local extract_dir="java-webapp-unpacked-${PN}-${SLOT}-${PV}"
+
+	mkdir -p "${T}/${extract_dir}" || die "failed to create ${T}/${extract_dir}"
+
+	cd "${T}/${extract_dir}/"
+	unzip -qq "${1}" || die "failed to unpack war"
+
+	cd WEB-INF/lib
+	local unknown=
+
+	for i in *.jar; do
+
+		# Check if this jar is owned by package:
+		if hasq "${i}" ${WEBAPP_OWNED_JARS}; then
+			echo ">>> Package owned jar: ${i}, skipping"
+			continue
+		fi
+
+		local destname="${i}"
+		local owner=$(_get_owning_package "${i}")
+
+		if [[ -z "${owner}" ]]; then
+
+			# No owner -> try to find the original symlink in ${S}
+			local original="$(_resolve_symlink "${i}")"
+			if [[ -z "${original}" ]]; then
+				unknown="${unknown} ${i}"
+				echo ">>> No package owns ${i}, skipping"
+				continue
+			fi
+
+			destname="$(basename "${original}")"
+			owner="$(echo "${original}" | cut -d / -f 4)"
+
+		fi
+
+		_ensure_owner "${owner}" || die "Package ${owner} not recorded"
+
+		rm -f "${i}" || die "rm \"${i}\" failed"
+		echo ">>> Symlinking ${i} (${owner}) to WEB-INF/lib/"
+		ln -s "/usr/share/${owner}/lib/${destname}" "${i}" || \
+			die "failed to create symlink to \"${i}\""
+
+	done
+
+	local tmp_war="${T}/tmp-$(basename "${1}")"
+	cd "${T}/${extract_dir}/"
+	echo ">>> Recreating $(basename "${1}")"
+	zip -qyr9 "${tmp_war}" * || die "zip failed"
+
+	cd "${T}"
+	rm -rf "${extract_dir}"
+
+	rm -f "${1}" || die "failed to remove original war"
+	mv "${tmp_war}" "${1}" || die "failed to move recreated war file"
+
+	if [[ -n "${unknown}" ]]; then
+
+		ewarn "Following java archives not owned by any installed package were"
+		ewarn "found in web archive $(basename "${2}"):"
+		ewarn
+		for i in ${unknown}; do
+			ewarn "    ${i}"
+		done
+		ewarn
+		ewarn "If the archives above were built by ${CATEGORY}/${P} they should"
+		ewarn "be added to WEBAPP_OWNED_JARS in ebuild, if these are"
+		ewarn "a third-party libraries then this is a bug, please report"
+		ewarn "this to http://bugs.gentoo.org/"
+
+	fi
+
+}
+
+function java-webapp_newwar() {
+
+	debug-print-function ${FUNCNAME} $*
+
+	[[ -z "${1}" ]] && die "Missing old war file name"
+	[[ -z "${2}" ]] && die "Missing new war file name"
+
+	local newname="$(basename "${2}")"
+
+	java-pkg_init_paths_
+
+	dodir "${JAVA_PKG_WARDEST}"
+	insinto "${JAVA_PKG_WARDEST}"
+	newins "${1}" "${newname}"
+
+}
+
+function java-webapp_dowar() {
+
+	[[ -z "${1}" ]] && die "Missing war file name"
+	java-webapp_newwar "${1}" "$(basename "${1}")"
+
+}
+
+function post_src_install() {
+
+	java-pkg_init_paths_
+
+	for i in $(find "${D}/${JAVA_PKG_WARDEST}" -name '*.war' | sort); do
+		_postprocess_war "${i}"
+	done
+
+}
+
+function java-webapp_pkg_postinst() {
+
+	elog "To use this web application create a symlink to installed .war file"
+	elog "in server webapps directory."
+
+	local foundServer=no
+	for i in ${SUPPORTED_WEB_SERVERS}; do
+		has_version "${i}" && foundServer=yes
+	done
+
+	if [[ "${foundServer}" = "no" ]]; then
+
+		elog
+		elog "It looks like you don't have any supported web server installed,"
+		elog "please emerge one of:"
+		for i in ${SUPPORTED_WEB_SERVERS}; do
+			elog "    ${i}"
+		done
+
+	fi
+
+}