Bug#601685: libbsf-java: package does not support optional libs (as the description claims)

[Ximin Luo]

Package: libbsf-java
Version: 1:2.4.0-4
Severity: grave
Tags: patch
Justification: renders package unusable

The currently-distributed bsf.jar does not contain the adapter classes (in
org/apache/bsf/engines) for most of the optional languages, except XSLT. This
renders the package mostly useless and is contradictory to the description,
which implies that (e.g.) installing rhino will enable JavaScript support.

This is because the build script tests for rhino, and will exclude the engine
for it, if it's not detected. In other words, to build a proper package that's
useful for the maximum number of people, you need to install all the optional
libs at *build time* and make them available to the build script.

I've attached a patch (for debian/patches) which automatically looks for the
optional jars in their default Debian locations (/usr/share/java) and will
include BSF's adapter classes if detected. I suggest also making those packages
strict Build-Depends so as to not accidentally make this mistake in the future.


-- System Information:
Debian Release: squeeze/sid
  APT prefers testing
  APT policy: (990, 'testing'), (500, 'unstable'), (500, 'stable'), (1, 'experimental')
Architecture: amd64 (x86_64)

Kernel: Linux 2.6.32-5-amd64 (SMP w/2 CPU cores)
Locale: LANG=en_GB.utf8, LC_CTYPE=en_GB.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages libbsf-java depends on:
ii  default-jre-headless [java2 1:1.6-40     Standard Java or Java compatible R
ii  gcj-4.4-jre-headless [java2 4.4.5-2      Java runtime environment using GIJ
ii  gcj-jre-headless [java2-run 4:4.4.5-1    Java runtime environment using GIJ
ii  openjdk-6-jre-headless [jav 6b20-1.9.1-1 OpenJDK Java runtime, using Hotspo

libbsf-java recommends no packages.

Versions of packages libbsf-java suggests:
ii  bsh                           2.0b4-12   Java scripting environment (BeanSh
ii  jython                        2.5.1-2    Python seamlessly integrated with 
ii  libxalan2-java                2.7.1-5    XSL Transformations (XSLT) process
ii  rhino                         1.7R2-4    JavaScript engine written in Java

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