diff --git a/.gitignore b/.gitignore
index e69de29..a57beb1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -0,0 +1,9 @@
+/xz-java-1.0.zip
+/xz-java-1.1.zip
+/xz-java-1.2.zip
+/xz-java-1.3.zip
+/xz-java-1.4.zip
+/xz-java-1.5.zip
+/xz-java-1.6.zip
+/xz-java-1.7.zip
+/xz-java-1.8.zip
diff --git a/sources b/sources
new file mode 100644
index 0000000..68f7264
--- /dev/null
+++ b/sources
@@ -0,0 +1 @@
+SHA512 (xz-java-1.8.zip) = 3d30804baf9bf743347d87befdbf103107f413c4460639171257e87c4ac96c5e9bc6401a85c44939cd40a25b965162d916a552ae9967f1ff1c71ed389508f5b0
diff --git a/xz-java-osgi.patch b/xz-java-osgi.patch
new file mode 100644
index 0000000..f396f74
--- /dev/null
+++ b/xz-java-osgi.patch
@@ -0,0 +1,12 @@
+--- build.xml.bak 2012-07-05 08:21:30.000000000 +0200
++++ build.xml 2013-01-03 14:23:51.411506995 +0100
+@@ -64,6 +64,9 @@
+
+
+
++
++
++
+
+
+
diff --git a/xz-java.spec b/xz-java.spec
new file mode 100644
index 0000000..2962ed5
--- /dev/null
+++ b/xz-java.spec
@@ -0,0 +1,150 @@
+Name: xz-java
+Version: 1.8
+Release: 9%{?dist}
+Summary: Java implementation of XZ data compression
+License: Public Domain
+URL: http://tukaani.org/xz/java.html
+BuildArch: noarch
+
+Source0: http://tukaani.org/xz/xz-java-%{version}.zip
+
+BuildRequires: javapackages-local
+BuildRequires: ant
+
+%description
+A complete implementation of XZ data compression in Java.
+
+It features full support for the .xz file format specification version 1.0.4,
+single-threaded streamed compression and decompression, single-threaded
+decompression with limited random access support, raw streams (no .xz headers)
+for advanced users, including LZMA2 with preset dictionary.
+
+%package javadoc
+Summary: Javadocs for %{name}
+
+%description javadoc
+This package contains the API documentation for %{name}.
+
+%prep
+%setup -q -c %{name}-%{version}
+
+# disable javadoc linting
+sed -i -e '/ - 1.8-9
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild
+
+* Sat Jul 11 2020 Jiri Vanek - 1.8-8
+- Rebuilt for JDK-11, see https://fedoraproject.org/wiki/Changes/Java11
+
+* Fri Jun 19 2020 Mat Booth - 1.8-7
+- Allow building against Java 11
+
+* Fri Jan 31 2020 Fedora Release Engineering - 1.8-6
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild
+
+* Sat Jul 27 2019 Fedora Release Engineering - 1.8-5
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild
+
+* Sun Feb 03 2019 Fedora Release Engineering - 1.8-4
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild
+
+* Sat Jul 14 2018 Fedora Release Engineering - 1.8-3
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_29_Mass_Rebuild
+
+* Fri Feb 09 2018 Fedora Release Engineering - 1.8-2
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild
+
+* Fri Jan 05 2018 Michael Simacek - 1.8-1
+- Update to upstream version 1.8
+
+* Tue Jan 2 2018 Mikolaj Izdebski - 1.7-1
+- Update to upstream version 1.7
+
+* Mon Nov 27 2017 Mikolaj Izdebski - 1.6-5
+- Make use of %%license macro
+
+* Thu Jul 27 2017 Fedora Release Engineering - 1.6-4
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Mass_Rebuild
+
+* Tue Mar 21 2017 Michael Simacek - 1.6-3
+- Install with XMvn
+
+* Sat Feb 11 2017 Fedora Release Engineering - 1.6-2
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_26_Mass_Rebuild
+
+* Mon Nov 28 2016 Mikolaj Izdebski - 1.6-1
+- Update to upstream version 1.6
+
+* Fri Feb 05 2016 Fedora Release Engineering - 1.5-5
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_24_Mass_Rebuild
+
+* Fri Jun 19 2015 Fedora Release Engineering - 1.5-4
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_23_Mass_Rebuild
+
+* Sun Jun 08 2014 Fedora Release Engineering - 1.5-3
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_21_Mass_Rebuild
+
+* Wed May 21 2014 Mikolaj Izdebski - 1.5-2
+- Use .mfiles generated during build
+
+* Mon Mar 10 2014 Mikolaj Izdebski - 1.5-1
+- Update to upstream version 1.5
+
+* Tue Mar 04 2014 Stanislav Ochotnicky - 1.4-2
+- Use Requires: java-headless rebuild (#1067528)
+
+* Mon Sep 23 2013 Mikolaj Izdebski - 1.4-1
+- Update to upstream version 1.4
+
+* Sun Aug 04 2013 Fedora Release Engineering - 1.3-2
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_20_Mass_Rebuild
+
+* Tue May 14 2013 Mikolaj Izdebski - 1.3-1
+- Update to upstream version 1.3
+
+* Tue Jan 29 2013 Mikolaj Izdebski - 1.2-1
+- Update to upstream version 1.2
+
+* Thu Jan 3 2013 Krzysztof Daniel 1.1-2
+- Add patch for OSGi Manifest.
+
+* Fri Aug 17 2012 Mikolaj Izdebski - 1.1-1
+- Update to upstream version 1.1
+
+* Sun Jul 22 2012 Fedora Release Engineering - 1.0-4
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_18_Mass_Rebuild
+
+* Thu Jun 21 2012 Mikolaj Izdebski - 1.0-3
+- Install xz.jar symlink
+
+* Thu Apr 5 2012 Mikolaj Izdebski 1.0-2
+- Fix issues found during package review
+- Include missing COPYING files.
+- Add missing RPM group.
+- Comment on touching package-list.
+
+* Wed Apr 4 2012 Mikolaj Izdebski 1.0-1
+- Initial packaging.