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# Eclass for simple bare-source Java packages
#
# Copyright (c) 2004-2015, Gentoo Foundation
#
# Licensed under the GNU General Public License, v2
#
# $Id$
inherit java-utils-2
if ! has java-pkg-2 ${INHERITED}; then
eerror "java-pkg-simple eclass can only be inherited AFTER java-pkg-2"
fi
# -----------------------------------------------------------------------------
# @eclass-begin
# @eclass-summary Eclass for Java sources without build instructions
#
# This class is intended to build pure Java packages from Java sources
# without the use of any build instructions shipped with the sources.
# There is no support for resources besides the generated class files,
# or for generating source files, or for controlling the META-INF of
# the resulting jar, although these issues may be addressed by an
# ebuild by putting corresponding files into the target directory
# before calling the src_compile function of this eclass.
# -----------------------------------------------------------------------------
EXPORT_FUNCTIONS src_compile src_install
# We are only interested in finding all java source files, wherever they may be.
S="${WORKDIR}"
# -----------------------------------------------------------------------------
# @variable-external JAVA_GENTOO_CLASSPATH
# @variable-default ""
#
# Comma or space separated list of java packages to include in the
# class path. The packages will also be registered as runtime
# dependencies of this new package. Dependencies will be calculated
# transitively. See "java-config -l" for appropriate package names.
# -----------------------------------------------------------------------------
# JAVA_GENTOO_CLASSPATH
# -----------------------------------------------------------------------------
# @variable-external JAVA_CLASSPATH_EXTRA
# @variable-default ""
#
# Extra list of colon separated path elements to be put on the
# classpath when compiling sources.
# -----------------------------------------------------------------------------
# JAVA_CLASSPATH_EXTRA
# -----------------------------------------------------------------------------
# @variable-external JAVA_SRC_DIR
# @variable-default ""
#
# Directories relative to ${S} which contain the sources of the
# application. The default of "" will be treated mostly as ${S}
# itself. For the generated source package (if source is listed in
# ${JAVA_PKG_IUSE}), it is important that these directories are
# actually the roots of the corresponding source trees.
# -----------------------------------------------------------------------------
# JAVA_SRC_DIR
# -----------------------------------------------------------------------------
# @variable-external JAVA_ENCODING
# @variable-default UTF-8
#
# The character encoding used in the source files
# -----------------------------------------------------------------------------
: ${JAVA_ENCODING:=UTF-8}
# -----------------------------------------------------------------------------
# @variable-external JAVAC_ARGS
# @variable-default ""
#
# Additional arguments to be passed to javac
# -----------------------------------------------------------------------------
# JAVAC_ARGS
# -----------------------------------------------------------------------------
# @variable-external JAVADOC_ARGS
# @variable-default ""
#
# Additional arguments to be passed to javadoc
# -----------------------------------------------------------------------------
# JAVADOC_ARGS
# -----------------------------------------------------------------------------
# @variable-external JAVA_JAR_FILENAME
# @variable-default ${PN}.jar
#
# The name of the jar file to create and install
# -----------------------------------------------------------------------------
: ${JAVA_JAR_FILENAME:=${PN}.jar}
# ------------------------------------------------------------------------------
# @eclass-src_compile
#
# src_compile for simple bare source java packages. Finds all *.java
# sources in ${JAVA_SRC_DIR}, compiles them with the classpath
# calculated from ${JAVA_GENTOO_CLASSPATH}, and packages the resulting
# classes to ${JAVA_JAR_FILENAME}.
#
# variables:
# JAVA_GENTOO_CLASSPATH - list java packages to put on the classpath.
# JAVA_ENCODING - encoding of source files, used by javac and javadoc
# JAVA_SRC_DIR - directories containing source files, relative to ${S}
# JAVAC_ARGS - additional arguments to be passed to javac
# JAVADOC_ARGS - additional arguments to be passed to javadoc
# ------------------------------------------------------------------------------
java-pkg-simple_src_compile() {
local sources=sources.lst classes=target/classes apidoc=target/api
# gather sources
find ${JAVA_SRC_DIR:-*} -name \*.java > ${sources}
mkdir -p ${classes} || die "Could not create target directory"
# compile
local classpath="${JAVA_CLASSPATH_EXTRA}" dependency
for dependency in ${JAVA_GENTOO_CLASSPATH}; do
classpath="${classpath}:$(java-pkg_getjars ${dependency})" \
|| die "getjars failed for ${dependency}"
done
while [[ $classpath = *::* ]]; do classpath="${classpath//::/:}"; done
classpath=${classpath%:}
classpath=${classpath#:}
debug-print "CLASSPATH=${classpath}"
java-pkg-simple_verbose-cmd \
ejavac -d ${classes} -encoding ${JAVA_ENCODING} \
${classpath:+-classpath ${classpath}} ${JAVAC_ARGS} \
@${sources}
# javadoc
if has doc ${JAVA_PKG_IUSE} && use doc; then
mkdir -p ${apidoc}
java-pkg-simple_verbose-cmd \
ejavadoc -d ${apidoc} \
-encoding ${JAVA_ENCODING} -docencoding UTF-8 -charset UTF-8 \
${classpath:+-classpath ${classpath}} ${JAVADOC_ARGS:- -quiet} \
@${sources} || die "javadoc failed"
fi
# package
local jar_args="cf ${JAVA_JAR_FILENAME}"
if [[ -e ${classes}/META-INF/MANIFEST.MF ]]; then
jar_args="cfm ${JAVA_JAR_FILENAME} ${classes}/META-INF/MANIFEST.MF"
fi
java-pkg-simple_verbose-cmd \
jar ${jar_args} -C ${classes} . || die "jar failed"
}
# ------------------------------------------------------------------------------
# @eclass-src_install
#
# src_install for simple single jar java packages. Simply packages the
# contents from the target directory and installs it as
# ${JAVA_JAR_FILENAME}. If the file target/META-INF/MANIFEST.MF exists,
# it is used as the manifest of the created jar.
# ------------------------------------------------------------------------------
java-pkg-simple_src_install() {
local sources=sources.lst classes=target/classes apidoc=target/api
# main jar
java-pkg-simple_verbose-cmd \
java-pkg_dojar ${JAVA_JAR_FILENAME}
# javadoc
if has doc ${JAVA_PKG_IUSE} && use doc; then
java-pkg-simple_verbose-cmd \
java-pkg_dojavadoc ${apidoc}
fi
# dosrc
if has source ${JAVA_PKG_IUSE} && use source; then
local srcdirs=""
if [[ ${JAVA_SRC_DIR} ]]; then
local parent child
for parent in ${JAVA_SRC_DIR}; do
for child in ${parent}/*; do
srcdirs="${srcdirs} ${child}"
done
done
else
# take all directories actually containing any sources
srcdirs="$(cut -d/ -f1 ${sources} | sort -u)"
fi
java-pkg-simple_verbose-cmd \
java-pkg_dosrc ${srcdirs}
fi
}
# ------------------------------------------------------------------------------
# @internal-function java-pkg-simple_verbose-cmd
#
# Print a command before executing it. To give user some feedback
# about what is going on, where the time is being spent, and also to
# help debugging ebuilds.
#
# @param $@ - command to be called and its arguments
# ------------------------------------------------------------------------------
java-pkg-simple_verbose-cmd() {
echo "$*"
"$@"
}
# ------------------------------------------------------------------------------
# @eclass-end
# ------------------------------------------------------------------------------
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