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# Eclass for simple bare-source Java packages
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#
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# Copyright (c) 2004-2011, 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-pkg-simple.eclass,v 1.2 2011/07/08 11:35:01 ssuominen Exp $
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inherit java-utils-2
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if ! has java-pkg-2 ${INHERITED}; then
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eerror "java-pkg-simple eclass can only be inherited AFTER java-pkg-2"
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fi
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# -----------------------------------------------------------------------------
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# @eclass-begin
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# @eclass-summary Eclass for Java sources without build instructions
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#
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# This class is intended to build pure Java packages from Java sources
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# without the use of any build instructions shipped with the sources.
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# There is no support for resources besides the generated class files,
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# or for generating source files, or for controlling the META-INF of
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# the resulting jar, although these issues may be addressed by an
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# ebuild by putting corresponding files into the target directory
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# before calling the src_compile function of this eclass.
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# -----------------------------------------------------------------------------
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EXPORT_FUNCTIONS src_compile src_install
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# We are only interested in finding all java source files, wherever they may be.
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S="${WORKDIR}"
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# -----------------------------------------------------------------------------
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# @variable-external JAVA_GENTOO_CLASSPATH
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# @variable-default ""
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#
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# Comma or space separated list of java packages to include in the
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# class path. The packages will also be registered as runtime
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# dependencies of this new package. Dependencies will be calculated
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# transitively. See "java-config -l" for appropriate package names.
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# -----------------------------------------------------------------------------
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# JAVA_GENTOO_CLASSPATH
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# -----------------------------------------------------------------------------
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# @variable-external JAVA_CLASSPATH_EXTRA
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# @variable-default ""
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#
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# Extra list of colon separated path elements to be put on the
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# classpath when compiling sources.
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# -----------------------------------------------------------------------------
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# JAVA_CLASSPATH_EXTRA
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# -----------------------------------------------------------------------------
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# @variable-external JAVA_SRC_DIR
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# @variable-default ""
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#
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# Directories relative to ${S} which contain the sources of the
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# application. The default of "" will be treated mostly as ${S}
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# itself. For the generated source package (if source is listed in
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# ${JAVA_PKG_IUSE}), it is important that these directories are
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# actually the roots of the corresponding source trees.
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# -----------------------------------------------------------------------------
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# JAVA_SRC_DIR
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# -----------------------------------------------------------------------------
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# @variable-external JAVA_ENCODING
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# @variable-default UTF-8
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#
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# The character encoding used in the source files
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# -----------------------------------------------------------------------------
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: ${JAVA_ENCODING:=UTF-8}
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# -----------------------------------------------------------------------------
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# @variable-external JAVAC_ARGS
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# @variable-default ""
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#
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# Additional arguments to be passed to javac
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# -----------------------------------------------------------------------------
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# JAVAC_ARGS
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# -----------------------------------------------------------------------------
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# @variable-external JAVADOC_ARGS
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# @variable-default ""
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#
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# Additional arguments to be passed to javadoc
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# -----------------------------------------------------------------------------
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# JAVADOC_ARGS
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# ------------------------------------------------------------------------------
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# @eclass-src_compile
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#
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# src_compile for simple bare source java packages. Finds all *.java
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# sources in ${JAVA_SRC_DIR}, compiles them with the classpath
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# calculated from ${JAVA_GENTOO_CLASSPATH}, and packages the resulting
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# classes to ${PN}.jar.
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#
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# variables:
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# JAVA_GENTOO_CLASSPATH - list java packages to put on the classpath.
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# JAVA_ENCODING - encoding of source files, used by javac and javadoc
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# JAVA_SRC_DIR - directories containing source files, relative to ${S}
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# JAVAC_ARGS - additional arguments to be passed to javac
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# JAVADOC_ARGS - additional arguments to be passed to javadoc
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# ------------------------------------------------------------------------------
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java-pkg-simple_src_compile() {
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local sources=sources.lst classes=target/classes apidoc=target/api
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# QA checks
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[[ "$(find . -name build.xml -o -name pom.xml)" ]] &&
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java-pkg_announce-qa-violation "Package ships with a build file, use that instead of java-pkg-simple!"
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# gather sources
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find ${JAVA_SRC_DIR:-*} -name \*.java > ${sources}
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mkdir -p ${classes} || die "Could not create target directory"
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# compile
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local classpath="${JAVA_CLASSPATH_EXTRA}" dependency
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for dependency in ${JAVA_GENTOO_CLASSPATH}; do
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classpath="${classpath}:$(java-pkg_getjars ${dependency})" \
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|| die "getjars failed for ${dependency}"
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done
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while [[ $classpath = *::* ]]; do classpath="${classpath//::/:}"; done
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classpath=${classpath%:}
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classpath=${classpath#:}
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debug-print "CLASSPATH=${classpath}"
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java-pkg-simple_verbose-cmd \
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ejavac -d ${classes} -encoding ${JAVA_ENCODING} \
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${classpath:+-classpath ${classpath}} ${JAVAC_ARGS} \
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@${sources}
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# javadoc
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if has doc ${JAVA_PKG_IUSE} && use doc; then
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mkdir -p ${apidoc}
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java-pkg-simple_verbose-cmd \
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javadoc -d ${apidoc} \
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-encoding ${JAVA_ENCODING} -docencoding UTF-8 -charset UTF-8 \
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${classpath:+-classpath ${classpath}} ${JAVADOC_ARGS:- -quiet} \
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@${sources} || die "javadoc failed"
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fi
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# package
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local jar_args="cf ${PN}.jar"
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if [[ -e ${classes}/META-INF/MANIFEST.MF ]]; then
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jar_args="cfm ${PN}.jar ${classes}/META-INF/MANIFEST.MF"
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fi
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java-pkg-simple_verbose-cmd \
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jar ${jar_args} -C ${classes} . || die "jar failed"
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}
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# ------------------------------------------------------------------------------
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# @eclass-src_install
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#
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# src_install for simple single jar java packages. Simply packages the
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# contents from the target directory and installs it as ${PN}.jar. If
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# the file target/META-INF/MANIFEST.MF exists, it is used as the
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# manifest of the created jar.
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# ------------------------------------------------------------------------------
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java-pkg-simple_src_install() {
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local sources=sources.lst classes=target/classes apidoc=target/api
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# main jar
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java-pkg-simple_verbose-cmd \
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java-pkg_dojar ${PN}.jar
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# javadoc
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if has doc ${JAVA_PKG_IUSE} && use doc; then
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java-pkg-simple_verbose-cmd \
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java-pkg_dojavadoc ${apidoc}
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fi
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# dosrc
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if has source ${JAVA_PKG_IUSE} && use source; then
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local srcdirs=""
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if [[ ${JAVA_SRC_DIR} ]]; then
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local parent child
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for parent in ${JAVA_SRC_DIR}; do
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for child in ${parent}/*; do
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srcdirs="${srcdirs} ${child}"
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done
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done
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else
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# take all directories actually containing any sources
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srcdirs="$(cut -d/ -f1 ${sources} | sort -u)"
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fi
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java-pkg-simple_verbose-cmd \
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java-pkg_dosrc ${srcdirs}
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fi
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}
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# ------------------------------------------------------------------------------
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# @internal-function java-pkg-simple_verbose-cmd
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#
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# Print a command before executing it. To give user some feedback
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# about what is going on, where the time is being spent, and also to
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# help debugging ebuilds.
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#
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# @param $@ - command to be called and its arguments
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# ------------------------------------------------------------------------------
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java-pkg-simple_verbose-cmd() {
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echo "$*"
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"$@"
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}
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# ------------------------------------------------------------------------------
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# @eclass-end
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# ------------------------------------------------------------------------------
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