Subject: RE: [xsl] Measure the length of an XML document in bytes From: "Khorasani, Houman" <houman_khorasani@xxxxxxxxxxxxxx> Date: Fri, 5 Aug 2005 12:10:54 +0100 |
Excellent!!! There is only one problem. Both XMLSpy and Xalan are showing the same error: File Size : (Location of error unknown)XSLT Error (javax.xml.transform.TransformerException) : java.lang.NoSuchMethodException: For extension function, could not find method java.lang.String.getFileSize([ExpressionContext,] ). It produces the text "File Size :" but then the method fails. It can't be located. I have the following jars in my classpath: C:\xalan-j_2_6_0\bin\xalan.jar;C:\xalan-j_2_6_0\bin\xml-apis.jar;C:\xerc es-2_7_1\xercesImpl.jar;C:\Header\Utility.class I have no idea why it doesn't find the method within the class. Any idea? Many thanks, Houman -----Original Message----- From: Mukul Gandhi [mailto:gandhi.mukul@xxxxxxxxx] Sent: 05 August 2005 12:05 To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx Subject: Re: [xsl] Measure the length of an XML document in bytes You can configure Xalan-J in XMLSpy 2005 EE as follows: In Tools | Options | XSL Specify in "External Transformation Program" java org.apache.xalan.xslt.Process -in %1 -xsl %3 -out %2 -param filename node.xml Xalan-J's JAR file should be in JVM's CLASSPATH. (The namespace of Java class need not be changed) Regards, Mukul On 8/5/05, Khorasani, Houman <houman_khorasani@xxxxxxxxxxxxxx> wrote: > Hello Mukul, > > Very nice example. Indeed I could try to convince the project manager > with this solution. > > However we are right now using just the built-in XSLT processor of > XMLSpy 2004. And I have to present them the demo with that. > > What do I have to do in order to use the class with XMLSpy? I guess the > namespace below has to be changed, right? > > xmlns:my-class="xalan://MyPackage.Utility" > ... > File Size : <xsl:value-of select="my-class:getFileSize($filename)" /> > bytes > > > Many Thanks, > Houman > > > -----Original Message----- > From: Mukul Gandhi [mailto:gandhi.mukul@xxxxxxxxx] > Sent: 05 August 2005 05:13 > To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx > Subject: Re: [xsl] Measure the length of an XML document in bytes > > Hi Houman, > I just finished writing a Java extension function which determines > file size in bytes (as reported by Windows). Below is the Java code, > XSLT stylesheet and Xalan command line. With this stylesheet, we can > pass the file name from command line. > > Java file > ----------- > package MyPackage; > > import java.io.File; > > public class Utility { > > public static long getFileSize(String filename) { > File file = new File(filename); > return file.length(); > } > } > > XSLT stylesheet > ----------------------- > <?xml version="1.0" encoding="UTF-8"?> > <xsl:stylesheet version="1.0" > xmlns:my-class="xalan://MyPackage.Utility" > xmlns:xsl="http://www.w3.org/1999/XSL/Transform"> > > <xsl:output method="text" /> > > <xsl:param name="filename" /> > > <xsl:template match="/"> > File Size : <xsl:value-of select="my-class:getFileSize($filename)" /> > bytes > </xsl:template> > > </xsl:stylesheet> > > Xalan Command Line > ------------------------------ > C:\xml\xsleg\xslt>java org.apache.xalan.xslt.Process -in file_size.xsl > -xsl file > _size.xsl -PARAM filename node.xml > > File Size : 111 bytes > > But sorry, if this is not what you want. Just thought of sharing the > code. > > Regards, > Mukul > > On 8/4/05, Khorasani, Houman <houman_khorasani@xxxxxxxxxxxxxx> wrote: > > Hi Mukul, > > > > Interesting idea. However I am stuck between two middlewares. I have > to > > use plain XSLT's. There won't be any java involved. > > > > Actually, I read the customers req. and it says lengths of the > > characters are good enough. So I don't need to know the length in > bytes. > > > > So if I would use string-length() like this > > > > <xsl:value-of select="string-length(*)"/> > > > > I would get just the length of the first value. > > I wish I could use it like that: > > > > <xsl:value-of select="string-length(<xsl:copy-of select="*"/>)"/> > > > > But this is not possible. > > Any ideas how to count the length of a document character by > character? > > > > Many thanks, > > Houman
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