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<div class=Section1>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#943634'>I’ve come across a couple of problems with character set
handling and transcoding, that I haven’t had time to log Jira issues about yet.
As a first pass, make sure you’re using the platform default character encoding
in your rules files – most of the Drools code doesn’t specify what encoding to
use, so it should pick up the default encoding for the OS it’s running on.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#943634'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#943634'>However, there’s one place in the BRMS where that’s not true,
and it caused me several days of pain. As I said, the JIRA issue is coming soon…<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#943634'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";
color:#943634'> - irving -<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#943634'><o:p> </o:p></span></p>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'>
<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>
rules-users-bounces@lists.jboss.org
[mailto:rules-users-bounces@lists.jboss.org] <b>On Behalf Of </b>Edson Tirelli<br>
<b>Sent:</b> Tuesday, May 13, 2008 1:18 PM<br>
<b>To:</b> Rules Users List<br>
<b>Subject:</b> Re: [rules-users] Re: rule text internationalization - write
rules (drl) in chinese<o:p></o:p></span></p>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal style='margin-bottom:12.0pt'><br>
<span style='font-family:"Calibri","sans-serif"'> </span> Dejia,<br>
<br>
<span style='font-family:"Calibri","sans-serif"'> </span> This is probably
a problem that requires fixing in the rules parser. Drools uses ANTLR to
generate its parser.<br>
<span style='font-family:"Calibri","sans-serif"'> </span> Maybe you can
help doing some research about any specific care that must be taken when
working with ANTLR and unicode characters?<br>
<br>
<span style='font-family:"Calibri","sans-serif"'> </span> The grammar we
currently use is here:<br>
<br>
<a
href="http://anonsvn.labs.jboss.com/labs/jbossrules/branches/4.0.x/drools-compiler/src/main/resources/org/drools/lang/DRL.g">http://anonsvn.labs.jboss.com/labs/jbossrules/branches/4.0.x/drools-compiler/src/main/resources/org/drools/lang/DRL.g</a><br>
<br>
<span style='font-family:"Calibri","sans-serif"'> </span> Thanks, <br>
<br>
<span style='font-family:"Calibri","sans-serif"'> </span> []s<br>
<span style='font-family:"Calibri","sans-serif"'> </span> Edson<o:p></o:p></p>
<div>
<p class=MsoNormal>2008/5/12 Dejia Wang <<a
href="mailto:dejia.wang@gmail.com">dejia.wang@gmail.com</a>>:<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<div>
<blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;
margin-left:4.8pt;margin-right:0cm'>
<div>
<p class=MsoNormal><span style='font-size:10.0pt'>hi all, </span><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><span style='font-family:"Calibri","sans-serif"'> </span><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:10.0pt'>we</span><span
style='font-size:10.0pt;font-family:"Calibri","sans-serif"'> </span><span
style='font-size:10.0pt'>tried to write rules in chinese like follows</span><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><span style='font-family:"Calibri","sans-serif"'> </span><o:p></o:p></p>
</div>
<blockquote style='margin-top:5.0pt;margin-right:0cm;margin-bottom:5.0pt'>
<blockquote style='margin-top:5.0pt;margin-right:0cm;margin-bottom:5.0pt'>
<div>
<p class=MsoNormal>rule "Reorder alert when item expires"<br>
<span style='font-family:"Calibri","sans-serif"'> </span>salience 10<br>
<span style='font-family:"Calibri","sans-serif"'> </span>when<br>
<span style='font-family:"Calibri","sans-serif"'> </span>
$item : ImsItemRecords ()<span style='font-family:"Calibri","sans-serif"'> </span>
<br>
<span style='font-family:"Calibri","sans-serif"'> </span>then <br>
<span style='font-family:"Calibri","sans-serif"'> </span> if (
! (new Date()).before ($item.getExpireDate()))<br>
<span style='font-family:"Calibri","sans-serif"'> </span> {<br>
<span style='font-family:"Calibri","sans-serif"'> </span> <span
style='font-family:"Calibri","sans-serif"'> </span>SysAlert alert =
new SysAlert("<span lang=ZH-CN>过期</span> - " + $item.getItemName(),
"<span lang=ZH-CN>补充库存</span>", "<span lang=ZH-CN>很高</span>",
"<span lang=ZH-CN>新到</span>", new Date(),<span style='font-family:
"Calibri","sans-serif"'> </span> null);<br>
<span style='font-family:"Calibri","sans-serif"'> </span>
SysRecommendation recommendation1 = new SysRecommendation (alert, "<span
lang=ZH-CN>补充库存</span>", "<span lang=ZH-CN>购买</span>" +
$item.getAmount() + $item.getUnit() + $item.getItemName(), "<span
lang=ZH-CN>仓库管理人员</span>", "<span lang=ZH-CN>立即</span>");<br>
<span style='font-family:"Calibri","sans-serif"'> </span>...<o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><span style='font-family:"Calibri","sans-serif"'> </span>
HashSet recommendations = new HashSet();<br>
<span style='font-family:"Calibri","sans-serif"'> </span> <span
style='font-family:"Calibri","sans-serif"'> </span>recommendations.add(recommendation1);<o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><span style='font-family:"Calibri","sans-serif"'> </span>
...<br>
<span style='font-family:"Calibri","sans-serif"'> </span>alert.setSysRecommendations(recommendations);<span
style='font-family:"Calibri","sans-serif"'> </span> <br>
<span style='font-family:"Calibri","sans-serif"'> </span> <span
style='font-family:"Calibri","sans-serif"'> </span>insert (alert);<span
style='font-family:"Calibri","sans-serif"'> </span><br>
<span style='font-family:"Calibri","sans-serif"'> </span> }<br>
end<o:p></o:p></p>
</div>
</blockquote>
</blockquote>
<div>
<p class=MsoNormal><span style='font-size:10.0pt'>The rule execution is</span><span
style='font-size:10.0pt;font-family:"Calibri","sans-serif"'> </span><span
style='font-size:10.0pt'>fine, but the result is unexpected. some of above
chinese characters (for example, </span>"<span lang=ZH-CN>新到</span>"<span
style='font-size:10.0pt'>)</span><span style='font-size:10.0pt;font-family:
"Calibri","sans-serif"'> </span><span style='font-size:10.0pt'>are good;
some of above chinese characters become ??? after rule evaluation. </span><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><span style='font-family:"Calibri","sans-serif"'> </span><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:10.0pt'>any tips how to fix this.</span><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><span style='font-family:"Calibri","sans-serif"'> </span><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:10.0pt'>thanks-
dejia</span><o:p></o:p></p>
</div>
</blockquote>
</div>
<p class=MsoNormal style='margin-bottom:12.0pt'><br>
<br>
_______________________________________________<br>
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<a href="mailto:rules-users@lists.jboss.org">rules-users@lists.jboss.org</a><br>
<a href="https://lists.jboss.org/mailman/listinfo/rules-users" target="_blank">https://lists.jboss.org/mailman/listinfo/rules-users</a><o:p></o:p></p>
</div>
<p class=MsoNormal><br>
<br clear=all>
<br>
-- <br>
Edson Tirelli<br>
JBoss Drools Core Development<br>
Office: +55 11 3529-6000<br>
Mobile: +55 11 9287-5646<br>
JBoss, a division of Red Hat @ <a href="http://www.jboss.com">www.jboss.com</a>
<o:p></o:p></p>
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