Re: Java Extensions in Xalan vs Fop
I hear your pain, brother. :-) So I have enclosed a ZIP which contains all the files I used, on Windows 98, to make this work - the XML, XSL, the extension class (source and compiled classfile), a batch file to run things, even the PDF output. Father Arved, thank for you for your preaching! Ok, this initially didn't work, but the bat file made me notice something that I'd not seen before. My classpath was too long for the commandline that you included in the batch file to run. Thinking this might have something to do with it I cut it all down to just the FOP and Xalan stuff that I need right now. Lo! All worked out of the tin. All my example files, your batch file -- pretty much everything I've been playing with since Thursday. So, the evils of the CLASSPATH seem to have struck again. For the record, everything you'd included in your example I had in my classpath (bar the example java I'd written), but it just seemed to get ignored. Removing bits make all the difference. That is some weight off my shoulders, although I feel a little silly having wasted so long playing around with it! Thank you again for your help and support. Best Regards Gareth Noyce - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, email: [EMAIL PROTECTED]
Re: Java Extensions in Xalan vs Fop
I understand this error to be along the lines of a Can't find class BchDate, as I had the same problem with Xalan whilst learning how to implement extensions. I think you're right, as far as the semantics of the ERROR message is concerned. One reason you can't find a class is because you didn't compile the source; are you sure you have the _classfile_ available that corresponds to your BchDate class? Hi, thanks for the reply, Firstly, yes the class file is present on the class path. The class is compiled -- I can call util.BchDate (I've just packaged it to follow your example) from anywhere on the commandline and the function main I added to test the classpath works as expected, passes a dummy date to getDate, and the formatted string is returned. From this I take it that the java code is correct, works fine, and is present (compiled) on the classpath.. All is well in that regard. As previsouly mentioned, all my files work fine in Xalan. No changes need to be made _at all_ to get Xalan to run the Java and output an FO file. This is also true for the test files created with your example code discussed below: My final example is very close to yours. Here is the stylesheet root: Thanks for that, I've cut and past your example snippets into two new files, and the errors returned by FOP are the same. However, when the bchext namespace prefix is used I now get: Error: For extension function, could not find method java.lang.String.getDate([expressionContext]) To me this indicates that the xalan://util.BchDate prefix is being ignored entirely. I see no reason why FOP should believe that getDate is a method of class String and call it as such. It's not like getDate returns a string even! :-) So, with the failure of that may I ask you the following: Are you running this under NT? Where on your classpath did you put the util.BchDate package (ie: c:\data\bch\javacode\)? What version of FOP are you using? Any other suggestions?! Thanks for your time, Best Regards Gareth Noyce - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, email: [EMAIL PROTECTED]
Oddity with Java Extensions Functions
Hi all,
Firstly, many thanks for the hard work on FOP -- it's a great piece of work.
Unfortunately I've stumbled upon a problem which I'm at a loss to figure
out. I'm hoping that someone on the list will be able to shed some light on
the problem.
I've been playing with Java Extension functions under Xalan with great
success. I need to move one of these over to go through FOP in order to
process dates, so I've slightly amended the example as provided with Xalan
to better suit my needs.
I've got a small test xml file which contains the following:
[g-test.xml]
--
?xml version=1.0?
gtest
date2001-07-11/date
/gtest
--
The XSL file generates a FO file suitable for processing by FOP. Cutting out
most of the cruft, the file is as follows:
[g-test.xsl]
--
?xml version=1.0?
xsl:stylesheet version=1.0
xmlns:xsl=http://www.w3.org/1999/XSL/Transform;
xmlns:fo=http://www.w3.org/1999/XSL/Format;
xmlns:java=http://xml.apache.org/xslt/java; xmlns:bchext=xalan://BchDate
xsl:template match=/
fo:root xmlns:fo=http://www.w3.org/1999/XSL/Format;
!-- Layout the page dimensions. A4 landscape... --
[SNIP]
!-- Start the page sequence... Each page will follow this
odel... --
[SNIP]
/fo:root
/xsl:template
xsl:template match=date
!-- This is the format mask for SimpleDateFormat --
xsl:variable name=format select=string('EEE MMM dd ')/
xsl:variable name=date select=string(.)/
fo:table font-size=7pt
[TABLE COLUMN SETUP / SNIP]
fo:table-header
[SNIP]
/fo:table-header
fo:table-body
fo:table-row
fo:table-cell
fo:block border-right-width=0.5pt text-align=center
vertical-align=middle border-style=solid line-height=11pt
xsl:variable name=formatter
select=java:java.text.SimpleDateFormat.new($format)/
xsl:variable name=formatdate
select=java:BchDate.getDate($date)/
xsl:value-of select=java:format($formatter,
$formatdate)/
/fo:block
/fo:table-cell
...
[SNIP]
...
/fo:table-row
/fo:table-body
/fo:table
/xsl:template
/xsl:stylesheet
--
I'll leave out the Java class for brevity, it's basically the same as the
3-java-namespace example from Xalan.
The Java class is on the classpath, I included a function 'main' to test
this and all works fine. The XML, XSL and Java will all process through
Xalan as expected, and an XSL:FO file is produced correctly, no problems.
However, I wish to use FOP to do all this in one go with the usual
java -jar fop.jar -xml g-test.xml -xsl g-test.xsl -pdf out.pdf -- and this
is where my problem crops up. When I run the command as shown, the error:
filepath; Line 123; Column 87; ERROR: BchDate
is shown.
I understand this error to be along the lines of a Can't find class
BchDate, as I had the same problem with Xalan whilst learning how to
implement extensions.
Can anyone point out what stupid mistake I am making here? I'm at a loss as
to why the same files will process with Xalan-j_2_2_D6 and yet not with
FOP-0.19 which, as I understand it, uses Xalan for the XSLT stage... I've
double checked the CLASS_PATH settings, tested the Java and been all over
the website trying to figure out if I should be using a different namespace
setting for FOP (things aren't particularly clear, there or in the docs).
I'm running NT4 for development, and the server is 2k. Java is JDK1.3.1 from
Sun.
I'm sorry for the length of the post. I thought it would save time to
explain things as verbosly as possible!
Thanks in advance for your time, best regards
Gareth Noyce
P.S. I'll happily send all my test files to anyone off list if it helps.
-
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Re: Java Extensions in Xalan vs Fop
The Java class is on the classpath, I included a function 'main' to test this and all works fine. The XML, XSL and Java will all process through Xalan as expected, and an XSL:FO file is produced correctly, no problems. However, I wish to use FOP to do all this in one go with the usual java -jar fop.jar -xml g-test.xml -xsl g-test.xsl -pdf out.pdf -- and this is where my problem crops up. When I run the command as shown, the error: I may get something wrong, but don't you have to specify an additional -cp for you BchDate class? fop.jar contains a manifest file which specifies the classpath to use. If you need more than the standard packages, I'd write something like: java -jar -cp yourPath fop.jar -xml ... I didn't test this but it's worth a try. Hi Jeremias, Thanks for the response; I've already tried explicitly giving the classpath, and I've also put the compiled class in the same directory as the fop.jar file to see if that made any difference. Neither of these has solved the problem. Can anyone offer any other suggestions? Regards Gareth Noyce - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, email: [EMAIL PROTECTED]
Java Extensions in Xalan vs Fop
Hi all,
Firstly, many thanks for the hard work on FOP -- it's a great piece of work.
Unfortunately I've stumbled upon a problem which I'm at a loss to figure
out. I'm hoping that someone on the list will be able to shed some light on
the problem.
I've been playing with Java Extension functions under Xalan with great
success. I need to move one of these over to go through FOP in order to
process dates, so I've slightly amended the example as provided with Xalan
to better suit my needs and to test the process.
I've got a small test xml file which contains the following:
[g-test.xml]
--
?xml version=1.0?
gtest
date2001-07-11/date
/gtest
--
The XSL file generates a FO file suitable for processing by FOP. Cutting out
most of the cruft, the file is as follows:
[g-test.xsl]
--
?xml version=1.0?
xsl:stylesheet version=1.0
xmlns:xsl=http://www.w3.org/1999/XSL/Transform;
xmlns:fo=http://www.w3.org/1999/XSL/Format;
xmlns:java=http://xml.apache.org/xslt/java; xmlns:bchext=xalan://BchDate
xsl:template match=/
fo:root xmlns:fo=http://www.w3.org/1999/XSL/Format;
!-- Layout the page dimensions. A4 landscape... --
[SNIP]
!-- Start the page sequence... Each page will follow this
odel... --
[SNIP]
/fo:root
/xsl:template
xsl:template match=date
!-- This is the format mask for SimpleDateFormat --
xsl:variable name=format select=string('EEE MMM dd ')/
xsl:variable name=date select=string(.)/
fo:table font-size=7pt
[TABLE COLUMN SETUP / SNIP]
fo:table-header
[SNIP]
/fo:table-header
fo:table-body
fo:table-row
fo:table-cell
fo:block border-right-width=0.5pt text-align=center
vertical-align=middle border-style=solid line-height=11pt
xsl:variable name=formatter
select=java:java.text.SimpleDateFormat.new($format)/
xsl:variable name=formatdate select=java:BchDate.getDate
($date)/
xsl:value-of select=java:format($formatter,
$formatdate)/
/fo:block
/fo:table-cell
...
[SNIP]
...
/fo:table-row
/fo:table-body
/fo:table
/xsl:template
/xsl:stylesheet
--
I'll leave out the Java class for brevity, it's basically the same as the
3-java-namespace example from Xalan.
The Java class is on the classpath, I included a function 'main' to test
this and all works fine. The XML, XSL and Java will all process through
Xalan as expected, and an XSL:FO file is produced correctly, no problems.
However, I wish to use FOP to do all this in one go with the usual
java -jar fop.jar -xml g-test.xml -xsl g-test.xsl -pdf out.pdf -- and this
is where my problem crops up. When I run the command as shown, the error:
filepath; Line 123; Column 87; ERROR: BchDate
is shown.
I understand this error to be along the lines of a Can't find class
BchDate, as I had the same problem with Xalan whilst learning how to
implement extensions.
Can anyone point out what stupid mistake I am making here? I'm at a loss as
to why the same files will process with Xalan-j_2_2_D6 and yet not with
FOP-0.19 which, as I understand it, uses Xalan for the XSLT stage... I've
double checked the CLASS_PATH settings, tested the Java and been all over
the website trying to figure out if I should be using a different namespace
setting for FOP (things aren't particularly clear, there or in the docs).
I'm running NT4 for development, and the server is 2k. Java is JDK1.3.1 from
Sun.
I'm sorry for the length of the post. I thought it would save time to
explain things as verbosly as possible!
Thanks in advance for your time, best regards
Gareth Noyce
P.S. I'll happily send all my test files to anyone off list if it helps.
-
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, email: [EMAIL PROTECTED]
