RE: [xsl] XSLT extention problem

["Michael Kay" <mike@xxxxxxxxxxxx>]

I notice that the spec of 

    public ImageIcon(String filename)

says: When specifying a path, use the Internet-standard forward-slash ("/")
as a separator.

whereas you are doing the opposite:

    path.replace("/", File.separator)

I've no idea if that's relevant to your problems.

Incidentally, this code:

<xsl:for-each select="@*">
  <xsl:if test="not(name(.)='WIDTH' or name(.)='HEIGHT')"> 
    <xsl:apply-templates select="."/> 
  </xsl:if> 
</xsl:for-each>

can be rewritten as

<xsl:apply-templates select="@* except (@WIDTH, @HEIGHT)"/>

(or just select="@*", with the addition of a do-nothing template to match
@WIDTH and @HEIGHT).

Michael Kay
http://www.saxonica.com/ 

> -----Original Message-----
> From: jingjun long [mailto:longjingjun@xxxxxxxxx] 
> Sent: 05 December 2007 07:09
> To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> Subject: [xsl] XSLT extention problem
> 
> hi there,
> 
> I am writing an Java extention for my XSLT.
> 
> There are two static method in the java code, there are:
> 
> int getHeight(String path);
> int getWidth(String path);
> 
> 
> package com.atomsoft.app.graphictools;
> 
> import java.io.File;
> 
> import javax.swing.ImageIcon;
> 
> public class GraphicInfo
> {
> public static int getWidth(String path)
> {
> int width = 0;
> 
> String temp_path = path.replace("/", File.separator); 
> temp_path = temp_path.substring(6);
> 
> ImageIcon icon = new ImageIcon(temp_path); width = 
> icon.getIconWidth();
> 
> return width;
> }
> 
> public static int getHeight(String path) { int height = 0;
> 
> String temp_path = path.replace("/", File.separator); 
> temp_path = temp_path.substring(6);
> 
> ImageIcon icon = new ImageIcon(temp_path); height = 
> icon.getIconHeight();
> 
> return height;
> }
> }
> 
> 
> The following is my XSLT:
> 
> <?xml version="1.0" encoding="utf-8"?>
> 
> <xsl:transform xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
> xmlns:xs="http://www.w3.org/2001/XMLSchema";
> xmlns:atomExt="com.atomsoft.app.graphictools.GraphicInfo"
> version="2.0">
> 
> <xsl:param name="max_width" select="500"/>
> 
> <xsl:output method="xml" encoding="UTF-8" indent="yes"/>
> 
> <xsl:template match="SHEET">
> <xsl:element name="{name()}">
> <xsl:variable name="v_filepath" select="unparsed-entity-uri(@GNBR)"/>
> <xsl:variable name="v_org_width" 
> select="atomExt:getWidth($v_filepath)"/>
> <xsl:variable name="v_org_height" 
> select="atomExt:getHeight($v_filepath)"/>
> 
> 
> <xsl:variable name="v_new_width">
> <xsl:choose>
> <xsl:when test="$v_org_width &gt; $max_width"><xsl:value-of 
> select="$max_width"/></xsl:when> <xsl:otherwise><xsl:value-of 
> select="$v_org_width"/></xsl:otherwise>
> </xsl:choose>
> </xsl:variable>
> 
> <xsl:variable name="v_new_height" select="round($v_org_height 
> * $v_new_width div $v_org_width)"/>
> 
> <xsl:attribute name="WIDTH" select="$v_new_width"/> 
> <xsl:attribute name="HEIGHT" select="$v_new_height"/>
> 
> <xsl:for-each select="@*">
> <xsl:if test="not(name(.)='WIDTH' or name(.)='HEIGHT')"> 
> <xsl:apply-templates select="."/> </xsl:if> </xsl:for-each>
> 
> <xsl:apply-templates select="*"/>
> 
> 
> </xsl:element>
> 
> 
> </xsl:template>
> 
> <xsl:template match="*">
> <xsl:element name="{name()}">
> <xsl:apply-templates select="@*|node()"/> </xsl:element> 
> </xsl:template>
> 
> <xsl:template match="@*">
> <xsl:attribute name="{name()}">
> <xsl:value-of select="."/>
> </xsl:attribute>
> </xsl:template>
> 
> </xsl:transform>
> 
> 
> 
> The xslt works. My problem is:
> I tested the java code stand alone. It works fine. But when I 
> call the java method in my XSLT, The result file is generated 
> but the xslt command line is hanged.
> 
> It seems this problem have something to do the following java code:
> 
> ImageIcon icon = new ImageIcon(temp_path); height = 
> icon.getIconHeight();
> 
> If I do not use this class (ImageIcon), it works fine in 
> XSLT. Is there some special thing in this class?
> 
> I am using Saxon 8.9 as my XSLT engine.
> 
> Thanks
> 
> Jingjun