diff --git a/dev-java/jai-imageio-core/Manifest b/dev-java/jai-imageio-core/Manifest
new file mode 100644
index 0000000000000..0ec4d3f6e9f9f
--- /dev/null
+++ b/dev-java/jai-imageio-core/Manifest
@@ -0,0 +1 @@
+DIST jai-imageio-core-1.4.0.tar.gz 1542191 BLAKE2B 3dc8de7cd8e375eb3b4e5a6524e0280bf295ffb0d29b2989a35789f8974f27a6ba50f1b3b82c88af0992cf6ce7b5fba28e38f2892b3ac34b2c20d7245035f2ec SHA512 20d361cbb040b692717acad56d12034ff695859f125acbac080092fb0423f5338bfbd9a39a968b67712f4f0a62cc02a51dc9e2cffbb886efb379c8a923a11ad8
diff --git a/dev-java/jai-imageio-core/jai-imageio-core-1.4.0.ebuild b/dev-java/jai-imageio-core/jai-imageio-core-1.4.0.ebuild
new file mode 100644
index 0000000000000..98cb04b718403
--- /dev/null
+++ b/dev-java/jai-imageio-core/jai-imageio-core-1.4.0.ebuild
@@ -0,0 +1,33 @@
+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+# Skeleton command:
+# java-ebuilder --generate-ebuild --workdir . --pom jai-imageio-core-jai-imageio-core-1.4.0/pom.xml --download-uri https://github.com/jai-imageio/jai-imageio-core/archive/refs/tags/jai-imageio-core-1.4.0.tar.gz --slot 0 --keywords "~amd64 ~arm64 ~ppc64 ~x86" --ebuild jai-imageio-core-1.4.0.ebuild
+
+EAPI=7
+
+JAVA_PKG_IUSE="doc source test"
+MAVEN_ID="com.github.jai-imageio:jai-imageio-core:1.4.0"
+JAVA_TESTING_FRAMEWORKS="junit-4"
+
+inherit java-pkg-2 java-pkg-simple
+
+DESCRIPTION="Java Advanced Imaging Image I/O Tools API core (standalone)"
+HOMEPAGE="https://github.com/jai-imageio/jai-imageio-core"
+SRC_URI="https://github.com/jai-imageio/${PN}/archive/refs/tags/${P}.tar.gz"
+
+LICENSE="Sun-BSD-no-nuclear-2005"
+SLOT="0"
+KEYWORDS="~amd64 ~arm64 ~ppc64 ~x86"
+
+DEPEND=">=virtual/jdk-1.8:*"
+RDEPEND=">=virtual/jre-1.8:*"
+
+S="${WORKDIR}"
+
+JAVA_SRC_DIR="${PN}-${P}/src/main/java"
+JAVA_RESOURCE_DIRS="${PN}-${P}/src/main/resources"
+
+JAVA_TEST_GENTOO_CLASSPATH="junit-4"
+JAVA_TEST_SRC_DIR="${PN}-${P}/src/test/java"
+JAVA_TEST_RESOURCE_DIRS="${PN}-${P}/src/test/resources"
diff --git a/dev-java/jai-imageio-core/metadata.xml b/dev-java/jai-imageio-core/metadata.xml
new file mode 100644
index 0000000000000..964c031aba2f5
--- /dev/null
+++ b/dev-java/jai-imageio-core/metadata.xml
@@ -0,0 +1,16 @@
+<?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>
+	</maintainer>
+	<longdescription>
+		Java Advanced Imaging Image I/O Tools API core, but without the classes involved 
+		with javax.media.jai dependencies, JPEG2000 or codecLibJIIO, meaning that this 
+		library can be distributed under the modified BSD license and should be GPL compatible.
+	</longdescription>
+	<upstream>
+		<remote-id type="github">jai-imageio/jai-imageio-core</remote-id>
+		<bugs-to>https://github.com/jai-imageio/jai-imageio-core/issues</bugs-to>
+	</upstream>
+</pkgmetadata>