Current File : //usr/share/java-utils/java-functions
# Functions library for Java applications. -*- sh -*-
#
# Copyright (c) 2012-2013, Red Hat, Inc
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the
# distribution.
# 3. Neither the name of Red Hat nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# Fedora Project <http://www.fedoraproject.org/>
# Mikolaj Izdebski <mizdebsk@redhat.com>
#
# JPackage Project <http://www.jpackage.org/>
# Guillaume Rousse <guillomovitch@sourceforge.net>
# Ville Skyttä <scop at jpackage.org>
# David Walluck <david@jpackage.org>
# Nicolas Mailhot <Nicolas.Mailhot at laPoste.net>
_log()
{
if [ -n "${JAVAPACKAGES_DEBUG}" ]; then
echo "${0}: ${@}" >&2
fi
}
_err()
{
echo "${0}: ${@}" >&2
}
# Load a single Java configuration file.
_load_java_conf_file()
{
local IFS
local JAVA_LIBDIR
local JNI_LIBDIR
local JVM_ROOT
if [ -f "${1}" ]; then
_log "Loading config file: ${1}"
. "${1}"
_javadirs="${_javadirs}${_javadirs:+:}${JAVA_LIBDIR}:${JNI_LIBDIR}"
_jvmdirs="${_jvmdirs}${_jvmdirs:+:}${JVM_ROOT}"
else
_log "Skipping config file ${1}: file does not exist"
fi
}
# Load system and user Java configuration.
_load_java_conf()
{
local IFS=:
local java_home_save="${JAVA_HOME}"
local java_opts_save="${JAVACMD_OPTS}"
local javaconfdir
local conf
unset _javadirs
unset _jvmdirs
set -- ${JAVACONFDIRS:-/etc/java}
_log "Java config directories are:"
for javaconfdir; do
_log " * ${javaconfdir}"
done
for javaconfdir; do
conf="${javaconfdir}/java.conf"
if [ ! -f "${conf}" ]; then
_err "Java configuration directory ${javaconfdir} was ignored because configuration file ${conf} does not exist"
else
_load_java_conf_file "${conf}"
fi
done
_load_java_conf_file "${HOME}/.java/java.conf"
_javadirs=${_javadirs:-/usr/share/java:/usr/lib/java}
_jvmdirs=${_jvmdirs:-/usr/lib/jvm}
if [ -d "${java_home_save}" ]; then
JAVA_HOME="${java_home_save}"
fi
if [ -n "${java_opts_save}" ]; then
JAVACMD_OPTS="${java_opts_save}"
fi
if [ "_${JAVA_ABRT}" != "_off" -a -f "/usr/lib/abrt-java-connector/libabrt-java-connector.so" -a -f "/var/run/abrt/abrtd.pid" ]; then
_log "ABRT Java connector was enabled"
_log "Using ABRT Java agent: /usr/lib/abrt-java-connector/libabrt-java-connector.so"
JAVACMD_OPTS="${JAVACMD_OPTS} -agentpath:/usr/lib/abrt-java-connector/libabrt-java-connector.so=abrt=on"
else
_log "ABRT Java connector is disabled"
fi
}
# Test default JRE/JVM roots if nothing is defined yet
_set_java_home()
{
local IFS=:
local jvmdir
local subdir
local subdirs
if [ -n "${JAVA_HOME}" ]; then
if [ -z "${JVM_ROOT}" ]; then
JVM_ROOT=$(readlink -f "${JAVA_HOME}"/.. || :)
fi
return
fi
case "${_prefer_jre}" in
1|[Yy][Ee][Ss]|[Tt][Rr][Uu][Ee])
subdirs=jre:java
;;
*)
subdirs=java:jre
;;
esac
for subdir in $subdirs; do
for jvmdir in $_jvmdirs; do
JVM_ROOT="${jvmdir}"
JAVA_HOME="${jvmdir}/${subdir}"
if [ -d "${JVM_ROOT}" -a -d "${JAVA_HOME}" ]; then
_log "Using configured JVM_ROOT: ${JVM_ROOT}"
_log "Using configured JAVA_HOME: ${JAVA_HOME}"
return
fi
done
done
unset JVM_ROOT
unset JAVA_HOME
}
# Set the java virtual machine
set_jvm()
{
local IFS=:
local cmd
local cmds
_set_java_home
# use $JAVA_HOME if defined
if [ -n "${JAVA_HOME}" ]; then
return
fi
# try to find it from java command
# try javac first, or we might get the location of the jre instead - djw
# if JRE is prefered then don't try javac - mizdebsk
case "${_prefer_jre}" in
1|[Yy][Ee][Ss]|[Tt][Rr][Uu][Ee])
cmds=java
;;
*)
cmds=javac:java
;;
esac
for cmd in $cmds; do
cmd=$(which "${cmd}" 2>/dev/null || :)
if [ -n "${cmd}" ]; then
cmd=$(readlink -f "${cmd}")
export JAVA_HOME=$(readlink -f "${cmd%/*}"/.. || :)
return
fi
done
echo "Can't find Java virtual machine, aborting."
exit 1
}
# Set the classpath
set_classpath()
{
local IFS
_set_java_home
# get local classpath first
set -- ${@} ${ADDITIONAL_JARS}
LOCAL_CLASSPATH=$("/usr/bin/build-classpath" ${@})
# append original classpath if defined
CLASSPATH=${LOCAL_CLASSPATH}${CLASSPATH:+:}${CLASSPATH}
}
set_javacmd()
{
local IFS
local cmd
if [ -x "${JAVACMD}" ]; then
return
fi
set_jvm
# Add all sorts of jvm layouts here
for cmd in jre/sh/java bin/java; do
JAVACMD="${JAVA_HOME}/${cmd}"
if [ -x "${JAVACMD}" ]; then
_log "Using configured JAVACMD: $JAVACMD"
if [ -n "${JAVACMD_OPTS}" ]; then
_log "Using java-wrapper with extra options: ${JAVACMD_OPTS}"
export _JP_JAVACMD="${JAVACMD}"
export _JP_JAVACMD_OPTS="${JAVACMD_OPTS}"
JAVACMD="/usr/share/java-utils/java-wrapper"
fi
return 0
fi
done
JAVACMD=$(which java 2>/dev/null || :)
if [ -x "${JAVACMD}" ]; then
_log "Using JAVACMD from PATH: $JAVACMD"
if [ -n "${JAVACMD_OPTS}" ]; then
_log "Using java-wrapper with extra options: ${JAVACMD_OPTS}"
export _JP_JAVACMD="${JAVACMD}"
export _JP_JAVACMD_OPTS="${JAVACMD_OPTS}"
JAVACMD="/usr/share/java-utils/java-wrapper"
fi
return 0
fi
_err "Failed to set JAVACMD"
return 1
}
# Set flags
set_flags()
{
FLAGS="${@}${ADDITIONAL_FLAGS:+ }${ADDITIONAL_FLAGS}"
}
# Set options
set_options()
{
OPTIONS="${@}${ADDITIONAL_OPTIONS:+ }${ADDITIONAL_OPTIONS}"
}
# Run application
run()
{
set_javacmd
if [ -n "${VERBOSE}" ]; then
echo "Java virtual machine used: ${JAVACMD}"
echo "classpath used: ${CLASSPATH}"
echo "main class used: ${MAIN_CLASS}"
echo "flags used: ${FLAGS}"
echo "options used: ${OPTIONS}"
echo "arguments used: ${@}"
fi
# let's start
exec "${JAVACMD}" ${FLAGS} -classpath "${CLASSPATH}" \
${OPTIONS} "${MAIN_CLASS}" "${@}"
}
# Set JVM-related directories
set_jvm_dirs()
{
local IFS
local re
local option
local version
_set_java_home
# Jar repository provided by the JVM
JVM_LIBDIR=${JVM_ROOT}-exports/$(echo "${JAVA_HOME}" |\
sed -n "s+${JVM_ROOT}/\([-_[:alnum:].]*\)\(.*\)+\1+p")
# Java standard version of the JVM. -fullversion seems to be lot faster
# to invoke than -version. Some examples:
# java full version "1.4.2_04-b05"
# java full version "J2RE 1.4.1 IBM build cxia321411-20030930"
# java full version "Blackdown-1.4.1-01"
# java version "1.5.0"
re='\([[:digit:]]\{1,\}\.[[:digit:]]\{1,\}\(\.[[:digit:]]\{1,\}\)*\)'
for option in -fullversion -version; do
# Yuck, "grep -o" would be cleaner, but requires GNU grep >= 2.5.
# This could be improved/simplified if sed had non-greedy matching.
version=$(${JAVACMD} $option 2>&1 | sed -n \
-e '/\(openjdk\|java\) \(full \)*version "/s/'$re'/<<<\1>>>/' \
-e '/\(openjdk\|java\) \(full \)*version "/s/.*<<<\([^>]\{1,\}\)>>>.*/\1/p')
if [ -n "${version}" ]; then
_log "Determined Java version to be ${version}"
break
fi
done
if [ -z "${version}" ]; then
echo "$0: Unable to determine Java version"
return 1
fi
# Jar repository for this Java standard
IFS=:
_javaverdirs=
for dir in ${_javadirs}; do
_javaverdirs="${_javaverdirs}${_javaverdirs:+:}${dir}-${version}"
done
return 0
}
# Links a jar repository
link_jar_repository() {
unset repository
unset extension_list
unset _LINK_CMD
unset _PRESERVE_NAMING
while [ $# -gt 0 ] ; do
case "$1" in
-h|--hard)
_LINK_CMD="ln -fL"
;;
-s|--soft|--symbolic)
_LINK_CMD="ln -fs"
;;
-c|--copy)
_LINK_CMD="cp -f"
;;
-p|--preserve-naming)
_PRESERVE_NAMING="true"
[ -z "$_LINK_CMD" ] && _LINK_CMD="cp -f"
;;
--|-)
break
;;
*)
if [ -z "$repository" ] ; then
repository=$1
if ! [ -d "$repository" -a -w "$repository" ] ; then
_err "$1 must be a writable directory"
exit 1
fi
else
extension_list="$extension_list $1"
fi
;;
esac
shift
done
[ -z "$_LINK_CMD" ] && _LINK_CMD="ln -fs"
extension_list="$extension_list $@"
pushd $repository > /dev/null
_ALLFOUND=0
for extension in $extension_list ; do
extension=$(echo $extension | sed 's+/$++g' | sed 's+\.jar$++g')
found_extension=$(find_jar $extension)
found=$?
[ -z "$_PRESERVE_NAMING" ] \
&& extension=[$(echo $extension | sed 's+/+][+g')] \
|| extension=$(echo $extension | sed 's+/+_+g')
if [ $found -eq 0 ] ; then
if [ -d "$found_extension" ] ; then
for jar in $(find "$found_extension" -follow -name "*.jar") ; do
rm -fr "$extension$(basename $jar)"
$_LINK_CMD $jar "$extension$(basename $jar)"
done
else
rm -fr $extension.jar
$_LINK_CMD $found_extension $extension.jar
fi
else
# Defer failure to get list of all errors in one shot
# Do create a symlink so we can recover with another jvm
rm -fr $extension.jar
ln -fs /could/not/find/extension/for/this/jvm $extension.jar
_ALLFOUND=1
fi
done
popd $repository > /dev/null
return $_ALLFOUND
}
# Finds a specific extention (jar or directory)
find_jar()
{
local IFS=:
local artifact="${1}"
local m2home="${M2_HOME:-/usr/share/xmvn}"
# If artifact contains semicolon then assume it specifies Maven
# artifact coordinates.
set -- ${artifact}
if [ ${#} -gt 1 ]; then
_log "Using XMvn location: ${m2home}"
if ! [ -x "${m2home}/bin/xmvn-resolve" ]; then
echo "${0}: Unable to execute xmvn-resolve." >&2
echo "${0}: Make sure that XMvn is installed and M2_HOME is set correctly." >&2
return 1
fi
"${m2home}/bin/xmvn-resolve" -c "${artifact}"
return ${?}
fi
set -- ${JVM_LIBDIR} ${_javaverdirs} ${_javadirs}
_log "JAR search path is:"
for dir; do
_log " * ${dir}"
done
for artifact in ${artifact%.jar} ${artifact%-*} ${artifact%/*}; do
for dir; do
_log "Trying file ${dir}/${artifact}.jar"
if [ -r "${dir}/${artifact}.jar" ]; then
echo "${dir}/${artifact}.jar"
return 0
fi
_log "Trying dir ${dir}/${artifact}/"
if [ -d "${dir}/${artifact}" ]; then
echo "${dir}/${artifact}"
return 0
fi
done
done
_err "Could not find ${artifact} Java extension for this JVM"
return 1
}
## Checks java environment
check_java_env()
{
# This is usually set by set_jvm
if [ -z "${JAVA_HOME}" ]; then
_err "JAVA_HOME must be set"
return 1
fi
if [ -z "${JAVACMD}" ]; then
_err "JAVACMD must be set"
return 2
fi
return 0
}
_load_java_conf
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