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293 lines
9.8 KiB
293 lines
9.8 KiB
# Base eclass for Java packages that needs to be OSGi compliant
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#
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# Copyright (c) 2007, Jean-Noël Rivasseau <elvanor@gmail.com>
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# Copyright (c) 2007-2011, Gentoo Foundation
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#
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# Licensed under the GNU General Public License, v2
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#
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# $Header: /var/cvsroot/gentoo-x86/eclass/java-osgi.eclass,v 1.7 2011/12/27 17:55:12 fauli Exp $
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# -----------------------------------------------------------------------------
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# @eclass-begin
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# @eclass-shortdesc Java OSGi eclass
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# @eclass-maintainer java@gentoo.org
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#
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# This eclass provides functionality which is used by
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# packages that need to be OSGi compliant. This means
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# that the generated jars will have special headers in their manifests.
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# Currently this is used only by Eclipse-3.3 - later
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# we could extend this so that Gentoo Java system would be
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# fully OSGi compliant.
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#
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# -----------------------------------------------------------------------------
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inherit java-utils-2
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# We define _OSGI_T so that it does not contain a slash at the end.
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# According to Paludis guys, there is currently a proposal for EAPIs that
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# would require all variables to end with a slash.
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_OSGI_T="${T/%\//}"
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# must get Diego to commit something like this to portability.eclass
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_canonicalise() {
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if type -p realpath > /dev/null; then
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realpath "${@}"
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elif type -p readlink > /dev/null; then
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readlink -f "${@}"
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else
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# can't die, subshell
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eerror "No readlink nor realpath found, cannot canonicalise"
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fi
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}
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# -----------------------------------------------------------------------------
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# @ebuild-function _java-osgi_plugin
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#
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# This is an internal function, not to be called directly.
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#
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# @example
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# _java-osgi_plugin "JSch"
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#
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# @param $1 - bundle name
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#
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# ------------------------------------------------------------------------------
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_java-osgi_plugin() {
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# We hardcode Gentoo as the vendor name
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cat > "${_OSGI_T}/tmp_jar/plugin.properties" <<-EOF
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bundleName="${1}"
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vendorName="Gentoo"
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EOF
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}
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# -----------------------------------------------------------------------------
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# @ebuild-function _java-osgi_makejar
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#
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# This is an internal function, not to be called directly.
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#
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# @example
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# _java-osgi_makejar "dist/${PN}.jar" "com.jcraft.jsch" "JSch" "com.jcraft.jsch, com.jcraft.jsch.jce;x-internal:=true"
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#
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# @param $1 - name of jar to repackage with OSGi
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# @param $2 - bundle symbolic name
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# @param $3 - bundle name
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# @param $4 - export-package header
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#
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# ------------------------------------------------------------------------------
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_java-osgi_makejar() {
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debug-print-function ${FUNCNAME} "$@"
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(( ${#} < 4 )) && die "Four arguments are needed for _java-osgi_makejar()"
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local absoluteJarPath="$(_canonicalise ${1})"
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local jarName="$(basename ${1})"
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mkdir "${_OSGI_T}/tmp_jar" || die "Unable to create directory ${_OSGI_T}/tmp_jar"
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[[ -d "${_OSGI_T}/osgi" ]] || mkdir "${_OSGI_T}/osgi" || die "Unable to create directory ${_OSGI_T}/osgi"
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cd "${_OSGI_T}/tmp_jar" && jar xf "${absoluteJarPath}" && cd - > /dev/null \
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|| die "Unable to uncompress correctly the original jar"
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cat > "${_OSGI_T}/tmp_jar/META-INF/MANIFEST.MF" <<-EOF
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Manifest-Version: 1.0
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Bundle-ManifestVersion: 2
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Bundle-Name: %bundleName
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Bundle-Vendor: %vendorName
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Bundle-Localization: plugin
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Bundle-SymbolicName: ${2}
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Bundle-Version: ${PV}
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Export-Package: ${4}
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EOF
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_java-osgi_plugin "${3}"
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jar cfm "${_OSGI_T}/osgi/${jarName}" "${_OSGI_T}/tmp_jar/META-INF/MANIFEST.MF" \
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-C "${_OSGI_T}/tmp_jar/" . > /dev/null || die "Unable to recreate the OSGi compliant jar"
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rm -rf "${_OSGI_T}/tmp_jar"
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}
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# -----------------------------------------------------------------------------
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# @ebuild-function java-osgi_dojar
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#
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# Rewrites a jar, and produce an OSGi compliant jar from arguments given on the command line.
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# The arguments given correspond to the minimal set of headers
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# that must be present on a Manifest file of an OSGi package.
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# If you need more headers, you should use the *-fromfile functions below,
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# that create the Manifest from a file.
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# It will call java-pkg_dojar at the end.
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#
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# @example
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# java-osgi_dojar "dist/${PN}.jar" "com.jcraft.jsch" "JSch" "com.jcraft.jsch, com.jcraft.jsch.jce;x-internal:=true"
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#
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# @param $1 - name of jar to repackage with OSGi
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# @param $2 - bundle symbolic name
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# @param $3 - bundle name
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# @param $4 - export-package-header
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#
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# ------------------------------------------------------------------------------
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java-osgi_dojar() {
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debug-print-function ${FUNCNAME} "$@"
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local jarName="$(basename ${1})"
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_java-osgi_makejar "$@"
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java-pkg_dojar "${_OSGI_T}/osgi/${jarName}"
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}
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# -----------------------------------------------------------------------------
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# @ebuild-function java-osgi_newjar
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#
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# Rewrites a jar, and produce an OSGi compliant jar.
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# The arguments given correspond to the minimal set of headers
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# that must be present on a Manifest file of an OSGi package.
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# If you need more headers, you should use the *-fromfile functions below,
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# that create the Manifest from a file.
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# It will call java-pkg_newjar at the end.
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#
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# @example
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# java-osgi_newjar "dist/${PN}.jar" "com.jcraft.jsch" "JSch" "com.jcraft.jsch, com.jcraft.jsch.jce;x-internal:=true"
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#
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# @param $1 - name of jar to repackage with OSGi
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# @param $2 (optional) - name of the target jar. It will default to package name if not specified.
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# @param $3 - bundle symbolic name
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# @param $4 - bundle name
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# @param $5 - export-package header
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#
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# ------------------------------------------------------------------------------
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java-osgi_newjar() {
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debug-print-function ${FUNCNAME} "$@"
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local jarName="$(basename $1)"
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if (( ${#} > 4 )); then
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_java-osgi_makejar "${1}" "${3}" "${4}" "${5}"
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java-pkg_newjar "${_OSGI_T}/osgi/${jarName}" "${2}"
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else
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_java-osgi_makejar "$@"
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java-pkg_newjar "${_OSGI_T}/osgi/${jarName}"
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fi
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}
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# -----------------------------------------------------------------------------
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# @ebuild-function _java-osgi_makejar-fromfile
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#
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# This is an internal function, not to be called directly.
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#
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# @example
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# _java-osgi_makejar-fromfile "dist/${PN}.jar" "${FILESDIR}/MANIFEST.MF" "JSch" 1
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#
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# @param $1 - name of jar to repackage with OSGi
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# @param $2 - path to the Manifest file
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# @param $3 - bundle name
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# @param $4 - automatic version rewriting (0 or 1)
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#
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# ------------------------------------------------------------------------------
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_java-osgi_makejar-fromfile() {
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debug-print-function ${FUNCNAME} "$@"
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((${#} < 4)) && die "Four arguments are needed for _java-osgi_makejar-fromfile()"
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local absoluteJarPath="$(_canonicalise ${1})"
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local jarName="$(basename ${1})"
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mkdir "${_OSGI_T}/tmp_jar" || die "Unable to create directory ${_OSGI_T}/tmp_jar"
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[[ -d "${_OSGI_T}/osgi" ]] || mkdir "${_OSGI_T}/osgi" || die "Unable to create directory ${_OSGI_T}/osgi"
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cd "${_OSGI_T}/tmp_jar" && jar xf "${absoluteJarPath}" && cd - > /dev/null \
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|| die "Unable to uncompress correctly the original jar"
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[[ -e "${2}" ]] || die "Manifest file ${2} not found"
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# We automatically change the version if automatic version rewriting is on
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if (( ${4} )); then
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cat "${2}" | sed "s/Bundle-Version:.*/Bundle-Version: ${PV}/" > \
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"${_OSGI_T}/tmp_jar/META-INF/MANIFEST.MF"
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else
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cat "${2}" > "${_OSGI_T}/tmp_jar/META-INF/MANIFEST.MF"
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fi
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_java-osgi_plugin "${3}"
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jar cfm "${_OSGI_T}/osgi/${jarName}" "${_OSGI_T}/tmp_jar/META-INF/MANIFEST.MF" \
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-C "${_OSGI_T}/tmp_jar/" . > /dev/null || die "Unable to recreate the OSGi compliant jar"
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rm -rf "${_OSGI_T}/tmp_jar"
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}
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# -----------------------------------------------------------------------------
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# @ebuild-function java-osgi_newjar-fromfile()
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#
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# This function produces an OSGi compliant jar from a given manifest file.
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# The Manifest Bundle-Version header will be replaced by the current version
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# of the package, unless the --no-auto-version option is given.
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# It will call java-pkg_newjar at the end.
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#
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# @example
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# java-osgi_newjar-fromfile "dist/${PN}.jar" "${FILESDIR}/MANIFEST.MF" "Standard Widget Toolkit for GTK 2.0"
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#
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# @param $opt
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# --no-auto-version - This option disables automatic rewriting of the
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# version in the Manifest file#
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# @param $1 - name of jar to repackage with OSGi
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# @param $2 (optional) - name of the target jar. It will default to package name if not specified.
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# @param $3 - path to the Manifest file
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# @param $4 - bundle name
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#
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# ------------------------------------------------------------------------------
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java-osgi_newjar-fromfile() {
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debug-print-function ${FUNCNAME} "$@"
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local versionRewriting=1
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if [[ "${1}" == "--no-auto-version" ]]; then
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versionRewriting=0
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shift
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fi
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local jarName="$(basename ${1})"
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if (( ${#} > 3 )); then
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_java-osgi_makejar-fromfile "${1}" "${3}" "${4}" "${versionRewriting}"
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java-pkg_newjar "${_OSGI_T}/osgi/${jarName}" "${2}"
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else
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_java-osgi_makejar-fromfile "$@" "${versionRewriting}"
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java-pkg_newjar "${_OSGI_T}/osgi/${jarName}"
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fi
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}
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# -----------------------------------------------------------------------------
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# @ebuild-function java-osgi_dojar-fromfile()
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#
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# This function produces an OSGi compliant jar from a given manifestfile.
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# The Manifest Bundle-Version header will be replaced by the current version
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# of the package, unless the --no-auto-version option is given.
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# It will call java-pkg_dojar at the end.
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#
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# @example
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# java-osgi_dojar-fromfile "dist/${PN}.jar" "${FILESDIR}/MANIFEST.MF" "Standard Widget Toolkit for GTK 2.0"
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#
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# @param $opt
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# --no-auto-version - This option disables automatic rewriting of the
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# version in the Manifest file
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# @param $1 - name of jar to repackage with OSGi
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# @param $2 - path to the Manifest file
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# @param $3 - bundle name
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#
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# ------------------------------------------------------------------------------
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java-osgi_dojar-fromfile() {
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debug-print-function ${FUNCNAME} "$@"
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local versionRewriting=1
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if [[ "${1}" == "--no-auto-version" ]]; then
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versionRewriting=0
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shift
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fi
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local jarName="$(basename ${1})"
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_java-osgi_makejar-fromfile "$@" "${versionRewriting}"
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java-pkg_dojar "${_OSGI_T}/osgi/${jarName}"
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}
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