https://issues.apache.org/bugzilla/show_bug.cgi?id=46513
Summary: Migrate from proprietary "com.sun.image" to
"javax.imageio"
Product: Batik
Version: 1.8
Platform: All
OS/Version: All
Status: NEW
Severity: normal
Priority: P5
Component: SVG Rasterizer
AssignedTo: [email protected]
ReportedBy: [email protected]
The Batik framework uses Sun's proprietary, non-standard image codecs. This was
already reported to Sun to be problematic [1] and, according to the report,
support for the classes will be dropped in JDK 7 [2]: the new Java version,
although apparently without an official release schedule yet, may occur
somewhere in second semester 2009 [3].
Feasibility to fix this issue was somehow pending on the drop of Java 1.3
support, as the Java Image I/O API was only introduced in Java 1.4 [1]. The
Java 1.3 drop was made in revision 666001 (
https://svn.apache.org/viewcvs.cgi?view=rev&rev=666001 ) (Batik version 1.8).
Using these classes fires lots of annoying warnings ("warning:
com.sun.image.codec.[*] is Sun proprietary API and may be removed in a future
release") while compiling - apparently, when using JDK 1.5+. My initial
proposal was to disable the warnings in the meantime, using @SuppressWarnings
[4], but it didn't help [5].
The main advantage I see in this is (potentially) achieving compatibility with
more open Java implementations such as IcedTea, GNU Classpath (found a related
mailing list thread [6]) and Apache Harmony. Nevertheless, this is quite a bit
speculative as I'm not familiar enough with the Batik framework nor with those
Java implementations to assure that this is the only code portion blocking full
compatibility.
Disclaimer: this report was created without a deep analysis of the work
involved in this task - the main purpose was to create a placeholder for
possible interested to subscribe to (through the "CC" field of the report),
gather patches, stimulate further investigation, etc..
[1] http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6527962
[2] https://jdk7.dev.java.net/
[3] http://knol.google.com/k/alex-miller/java-se-7/1f092vcri65lh/2#Planning
[4] http://java.sun.com/javase/6/docs/api/java/lang/SuppressWarnings.html
[5] http://forums.java.net/jive/message.jspa?messageID=158989
[6]
http://www.nabble.com/batik-rasterizer.jar-(cant-convert-jpg-from-svg)-to13948656.html
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