--- /dev/null
+# Copyright 1999-2016 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI=5
+JAVA_PKG_IUSE="doc source"
+
+inherit java-pkg-2 java-pkg-simple
+
+DESCRIPTION="Generic interfaces to the classical builder pattern"
+HOMEPAGE="https://github.com/fge/btf/"
+SRC_URI="https://github.com/fge/${PN}/archive/${PV}.tar.gz -> ${P}.tar.gz"
+
+LICENSE="|| ( LGPL-3 Apache-2.0 )"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+
+COMMON_DEP="
+ dev-java/jsr305:0
+"
+
+RDEPEND="
+ ${COMMON_DEP}
+ >=virtual/jre-1.7
+"
+
+DEPEND="
+ ${COMMON_DEP}
+ >=virtual/jdk-1.7
+"
+
+JAVA_GENTOO_CLASSPATH="jsr305"
+
+src_install() {
+ java-pkg_dojar ${PN}.jar
+ use doc && java-pkg_dojavadoc target/site/apidocs
+ use source && java-pkg_dosrc src/main/java/*
+}
--- /dev/null
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+ <maintainer type="project">
+ <email>java@gentoo.org</email>
+ <name>Java</name>
+ </maintainer>
+ <longdescription>Generic interfaces to the classical builder pattern and the less classical "freeze/thaw" pattern</longdescription>
+ <upstream>
+ <remote-id type="github">fge/btf</remote-id>
+ </upstream>
+</pkgmetadata>