GNU bug report logs - #32947
[PATCH 0/3] Add java-xalan.

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From: Frank Pursel <frank.pursel <at> gmail.com>
To: 32947 <at> debbugs.gnu.org
Subject: [bug#32947] Add java-xalan.
Date: Thu, 17 Mar 2022 14:08:07 -0700

Hi Guix!

I want to help get a version of xalan into guix.  I independently posted
issue#54145 to this end but errors were made.  I've since learned of and
from this prior work and want to offer an updated/improved patch to provide a
java-xalan-interp package to fill this gap.

This package is less ambitious than the original because it makes no
attempt to build the xsltc base of xalan and instead settles for the
likely slower, xslt base.  The xslt base of xalan is likely slower than
the xsltc base but, as far as I can tell, it provides the same
functionality while not depending on the bundled cups and jflex jars.

If it meets your scrutiny we may also be able to close two issues (this,
32947 and 54145) for the price of one!  

Regards,
Frank Pursel
acrow#guix

From 6d711a86959049596e6c6110a830ba1c6c7cea50 Mon Sep 17 00:00:00 2001
Message-Id: <6d711a86959049596e6c6110a830ba1c6c7cea50.1647548555.git.frank.pursel <at> gmail.com>
From: Frank Pursel <frank.pursel <at> gmail.com>
Date: Wed, 23 Feb 2022 13:59:26 -0800
Subject: [PATCH] gnu: Add java-xalan-interp

     * gnu/packages/xml.scm (java-xalan-interp): New variable
---
 gnu/packages/xml.scm | 62 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 62 insertions(+)

diff --git a/gnu/packages/xml.scm b/gnu/packages/xml.scm
index 3ce5e771c7..94bcdff903 100644
--- a/gnu/packages/xml.scm
+++ b/gnu/packages/xml.scm
@@ -33,6 +33,7 @@
 ;;; Copyright © 2021 Guillaume Le Vaillant <glv <at> posteo.net>
 ;;; Copyright © 2021 David Larsson <david.larsson <at> selfhosted.xyz>
 ;;; Copyright © 2021 Matthew James Kraai <kraai <at> ftbfs.org>
+;;; Copyright © 2022 Frank Pursel <frank.pursel <at> gmail.com>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -2592,3 +2593,64 @@ (define-public python-xmltodict
     (description "This package provides a Python library to convert XML to
 @code{OrderedDict}.")
     (license license:expat)))
+
+(define-public java-xalan-interp
+  (package
+    (name "java-xalan-interp")
+    (version "j_2_7_2")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "mirror://apache/xalan/xalan-j/source/xalan-"
+                           version "-src.tar.gz"))
+       (sha256
+        (base32 "166vg9i11qzi0vbv09abfb50q8caq8wr6zrwg0cwqws9k394l62w"))
+       (modules '((guix build utils)))
+       (snippet '(begin
+                   ;; Removing bundled jars
+                   (format #t "~%~a~%" "Removing Bundled Jars")
+                   (for-each
+                    (lambda (f)
+                      (format #t "~/Deleting: ~a~%" f)
+                      (delete-file f))
+                    (find-files "." "\\.jar$"))))))
+    (build-system ant-build-system)
+    (arguments
+     `(#:phases (modify-phases
+                %standard-phases
+                (add-after 'unpack 'prepare-for-build
+                  (lambda* (#:key inputs outputs #:allow-other-keys)
+                    (setenv "ANT_OPTS" "-Dxsltc.java_cup.not_needed=true")
+                    (substitute* "build.xml"
+                      ;; Only the interpretive compiler.  xsltc contains a
+                      ;; circular reference java_cup.
+                      (("(<target name=\"jar\" depends=\"xalan-interpretive.compile),.*"
+                        all pre)
+                       (string-append pre "\""))
+                      (("xml-apis") "jaxp"))
+                    (substitute* (list "src/MANIFEST.MF"
+                                       "src/manifest.xalan-interpretive"
+                                       "src/MANIFEST.SERIALIZER"
+                                       "src/manifest.xsltc")
+                      (("xml-apis.jar") "jaxp.jar"))))
+                (replace 'install
+                  (install-jars "build"))
+                (add-after 'install 'provide-jars-for-indexing
+                  (lambda* (#:key inputs outputs #:allow-other-keys)
+                    (with-directory-excursion
+                        (string-append (assoc-ref outputs "out") "/share/java")
+                      (symlink
+                       (search-input-file inputs "share/java/jaxp.jar")
+                       "jaxp.jar")
+                      (symlink
+                       (search-input-file inputs "share/java/xercesImpl.jar")
+                       "xercesImpl.jar")))))))
+    (native-inputs (list java-junit java-hamcrest-core))
+    (propagated-inputs (list java-jaxp java-xerces))
+    (home-page "https://xalan.apache.org/xalan-j/index.html")
+    (synopsis "Java XSLT processor")
+    (description "XSLT processor in java implementing XSLT Version 1.0, XPath
+Version 1.0, and JAXP 1.3.  It builds on SAX2 and DOM level 3.  This version
+is the fully functional interpreter, xslt, not the xsltc version which may be
+faster.")
+    (license license:asl2.0)))
-- 
2.34.0

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