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Diffstat (limited to 'classes/java.bbclass')
| -rw-r--r-- | classes/java.bbclass | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/classes/java.bbclass b/classes/java.bbclass new file mode 100644 index 0000000000..d4cf5aa954 --- /dev/null +++ b/classes/java.bbclass @@ -0,0 +1,195 @@ +# Defines the commonly used target directories and provides a convenience +# function to install jar files. +# +# All the default directory locations herein resemble locations chosen in +# the Debian distribution. + +# Jar location on target +datadir_java ?= ${datadir}/java + +# JNI library location on target +libdir_jni ?= ${libdir}/jni + +# JVM bundle location on target +libdir_jvm ?= ${libdir}/jvm + +STAGING_DATADIR_JAVA ?= ${STAGING_DIR_JAVA} +STAGING_LIBDIR_JNI ?= ${STAGING_LIBDIR}/jni +STAGING_LIBDIR_JVM ?= ${STAGING_LIBDIR}/jvm + +STAGING_DATADIR_JAVA_NATIVE ?= ${STAGING_DATADIR_NATIVE}/java +STAGING_LIBDIR_JNI_NATIVE ?= ${STAGING_LIBDIR_NATIVE}/jni +STAGING_LIBDIR_JVM_NATIVE ?= ${STAGING_LIBDIR_NATIVE}/jvm + +oe_jarinstall() { + # Purpose: Install a jar file and create all the given symlinks to it. + # Example: + # oe_jarinstall foo-1.3.jar foo.jar + # Installs foo-1.3.jar and creates symlink foo.jar. + # + # oe_jarinstall -s foo-1.3.jar foo.jar + # Installs foo-1.3.jar to staging and creates symlink foo.jar. + # + # oe_jarinstall -r foo-1.3.jar foo_1_3.jar foo.jar + # Installs foo_1_3.jar as foo-1.3.jar and creates a symlink to this. + # + dir=${D}${datadir_java} + destname="" + while [ "$#" -gt 0 ]; do + case "$1" in + -s) + # put jar files to native staging if this is a -native recipe + if [ ${PACKAGE_ARCH} = ${BUILD_ARCH} ]; then + dir=${STAGING_DATADIR_JAVA_NATIVE} + else + dir=${STAGING_DATADIR_JAVA} + fi + ;; + -r) + shift + destname=$1 + ;; + -*) + oefatal "oe_jarinstall: unknown option: $1" + ;; + *) + break; + ;; + esac + shift + done + + jarname=$1 + destname=${destname:-`basename $jarname`} + shift + + install -d $dir + install -m 0644 $jarname $dir/$destname + + # Creates symlinks out of the remaining arguments. + while [ "$#" -gt 0 ]; do + if [ -e $dir/$1 -o -h $dir/$1 ]; then + oewarn "file was in the way. removing:" $dir/$1 + rm $dir/$1 + fi + ln -s $destname $dir/$1 + shift + done +} + +oe_makeclasspath() { + # Purpose: Generate a classpath variable from the given Jar file names + # where the ".jar" has been omitted. The string is stored in the script + # variable whose name is given in the first argument to this function. + # + # oe_makeclasspath cp foo baz bar + # Stores ${datadir_java}/foo.jar:${datadir_java}/baz.jar:${datadir_java}/bar.jar + # in variable "cp". + # + # oe_makeclasspath bootcp -s foo baz bar + # Stores ${STAGING_DATADIR_JAVA}/foo.jar:${STAGING_DATADIR_JAVA}/baz.jar:${STAGING_DATADIR_JAVA}/bar.jar + # in variable "bootcp". + # + # Provide the -s at the beginning otherwise strange things happen. + # If -s is given the function checks whether the requested jar file exists + # and exits with an error message if it cannot be found. + # + # Note: In order to encourage usage of the DEPENDS variable, the function + # can accept recipe names. If a recipe has no corresponding Jar file it + # is ignored. Be careful with recipes where the recipe name is different + # from the the Jar file name! + dir=${datadir_java} + classpath= + delimiter= + retval=$1 + + shift + + while [ "$#" -gt 0 ]; do + case "$1" in + -s) + # take jar files from native staging if this is a -native recipe + if [ ${PACKAGE_ARCH} = ${BUILD_ARCH} ]; then + dir=${STAGING_DATADIR_JAVA_NATIVE} + else + dir=${STAGING_DATADIR_JAVA} + fi + ;; + -*) + oefatal "oe_makeclasspath: unknown option: $1" + ;; + *) + file=$dir/$1.jar + + if [ -e $file ]; then + classpath=$classpath$delimiter$file + delimiter=":" + fi + + ;; + esac + shift + done + + eval $retval="$classpath" +} + +# Creates a simple wrapper script for your Java program. +# The script is written to ${PN} by default. +# +# Parameters are as follows: +# [options] <output file> <main class> [jar files ...] +# +# Options are +# -o <name> where name is the output file name +# +# It can only take jar files from ${datadir_java}! +oe_java_simple_wrapper() { + delimiter= + mainclass= + classpath= + output=${PN} + + while [ "$#" -gt 0 ]; do + case "$1" in + -o) + shift + output=$1 + ;; + -*) + oefatal "oe_java_simple_wrapper: unknown option: $1" + ;; + *) + if [ $mainclass ] + then + classpath=$classpath$delimiter${datadir_java}/$1 + delimiter=":" + else + mainclass=$1 + fi + ;; + esac + shift + done + + oenote "Creating simple Java wrapper script" + oenote "Output File: $output" + oenote "Main Class: $mainclass" + oenote "Classpath: $classpath" + + echo "#!/bin/sh" > $output + echo "# This file is autogenerated by the oe_java_simple_wrapper function of OpenEmbedded" >> $output + echo >> $output + echo "# You can provide additional VM arguments by setting the VMARGS environment variable." >> $output + echo "CLASSPATH_ARG=\"-cp $classpath\"" >> $output + echo >> $output + echo "MAIN_CLASS=$mainclass" >> $output + echo >> $output + echo "# Allows overriding the VM by setting the JAVA environment variable." >> $output + echo "if [ x\${JAVA} = x ]" >> $output + echo "then" >> $output + echo " JAVA=java" >> $output + echo "fi" >> $output + echo >> $output + echo "exec \${JAVA} \${VMARGS} \${CLASSPATH_ARG} \${MAIN_CLASS} \${@}" >> $output +} |