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# Copyright 2004-2015 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$
# @ECLASS: java-pkg-simple.eclass
# @MAINTAINER:
# java@gentoo.org
# @AUTHOR:
# Java maintainers (java@gentoo.org)
# @BLURB: Eclass for packaging Java software with ease.
# @DESCRIPTION:
# 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.
inherit java-utils-2
if ! has java-pkg-2 ${INHERITED}; then
eerror "java-pkg-simple eclass can only be inherited AFTER java-pkg-2"
fi
EXPORT_FUNCTIONS src_compile src_install
# We are only interested in finding all java source files, wherever they may be.
S="${WORKDIR}"
# @ECLASS-VARIABLE: JAVA_GENTOO_CLASSPATH
# @DEFAULT_UNSET
# @DESCRIPTION:
# 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.
#
# @CODE
# JAVA_GENTOO_CLASSPATH="foo,bar-2"
# @CODE
# @ECLASS-VARIABLE: JAVA_GENTOO_CLASSPATH_EXTRA
# @DEFAULT_UNSET
# @DESCRIPTION:
# Extra list of colon separated path elements to be put on the
# classpath when compiling sources.
# @ECLASS-VARIABLE: JAVA_SRC_DIR
# @DEFAULT_UNSET
# @DESCRIPTION:
# 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.
#
# @CODE
# JAVA_SRC_DIR="src/java/org/gentoo"
# @CODE
# @ECLASS-VARIABLE: JAVA_ENCODING
# @DESCRIPTION:
# The character encoding used in the source files.
: ${JAVA_ENCODING:=UTF-8}
# @ECLASS-VARIABLE: JAVAC_ARGS
# @DEFAULT_UNSET
# @DESCRIPTION:
# Additional arguments to be passed to javac.
# @ECLASS-VARIABLE: JAVADOC_ARGS
# @DEFAULT_UNSET
# @DESCRIPTION:
# Additional arguments to be passed to javadoc.
# @ECLASS-VARIABLE: JAVA_JAR_FILENAME
# @DESCRIPTION:
# The name of the jar file to create and install.
: ${JAVA_JAR_FILENAME:=${PN}.jar}
# @FUNCTION: java-pkg-simple_src_compile
# @DESCRIPTION:
# 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}.
java-pkg-simple_src_compile() {
local sources=sources.lst classes=target/classes apidoc=target/api
# auto generate classpath
java-pkg_gen-cp JAVA_GENTOO_CLASSPATH
# gather sources
find ${JAVA_SRC_DIR:-*} -name \*.java > ${sources}
mkdir -p ${classes} || die "Could not create target directory"
# compile
local classpath="${JAVA_GENTOO_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}"
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}
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
jar ${jar_args} -C ${classes} . || die "jar failed"
}
# @FUNCTION: java-pkg-simple_src_install
# @DESCRIPTION:
# 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_dojar ${JAVA_JAR_FILENAME}
# javadoc
if has doc ${JAVA_PKG_IUSE} && use doc; then
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_dosrc ${srcdirs}
fi
}
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