Hi Abel,
thank you for the help, but I still can not make the
conversion working correctly, Here is my latest xsl
file I used:
"
<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform";>
<xsl:param name="user"/>
<xsl:param name="pwd"/>
<xsl:template match="node() | @*">
<xsl:copy>
<xsl:apply-templates select="node() | @*"
/>
</xsl:copy>
</xsl:template>
<xsl:template
match="beans/bean/property/@username">
<xsl:attribute name="username">
<xsl:value-of select="$user" />
</xsl:attribute>
</xsl:template>
<xsl:template
match="beans/bean/property/@password">
<xsl:attribute name="password">
<xsl:value-of select="$pwd" />
</xsl:attribute>
</xsl:template>
</xsl:stylesheet>
"
But the output file is the same as my input xml file,
any comments ?
Charlie,
--- Abel Braaksma <abel(_dot_)online(_at_)xs4all(_dot_)nl> wrote:
Hi Charlie,
I see you've been away from this list since end
2006, welcome back ;)
Changing attributes is as easy as 1-2-3 in XSLT, if
you know how, that
is. You asked for a book as well. This template is
explained in just
about any book on XSLT: in the "XSLT Cookbook" 1st
edition and 2nd
edition (chapter 8); in Jeni Tennison's introductory
book on XSLT; in
XSLT 2.0 Programmer's Reference (Michael Kay), under
"xsl:copy"; in
"XSLT and XPath: A guide to XML Transformations" in
chapter 9.2 (but not
well enough explained imho) etc etc. All these books
are, as far as I
know, still available. I personally favor the
Cookbook 2nd ed for
starters if you are good in working with examples,
or Jeni Tennison's
"Beginning XSLT" (for xslt 1.0) or "Beginning XSLT
2.0" (for xslt 2.0)
if you like to get a good explanation and step by
step of the language.
This is what they all explain:
<xsl:template match="node() | @*">
<xsl:copy>
<xsl:apply-templates select="node() | @*" />
</xsl:copy>
</xsl:template>
or some variant on that theme. It will copy the
input XML to the output
without change. Next, all you have to do is add
templates for the thing
you do want to change. For instance, in your case,
@username and
@password when they are children of 'property'. Just
add the following
to your stylesheet alongside the copy idiom:
<xsl:template match="property/@username">
<xsl:attribute name="username">
<xsl:value-of select="$user" />
</xsl:attribute>
</xsl:template>
<xsl:template match="property/@password">
<xsl:attribute name="password">
<xsl:value-of select="$pwd" />
</xsl:attribute>
</xsl:template>
Of course, don't forget to include the parameters in
your stylesheet
with the names you used in your ANT build script.
I.e., use the
following top level declarations:
<xsl:param name="pwd" />
<xsl:param name="user" />
That's all there is to it. Really. Happy coding!
Cheers,
-- Abel Braaksma
PS: a start about XSLT:
http://developer.mozilla.org/en/docs/Transforming_XML_with_XSLT
(see
section on Further reading, it is a bit out of date,
but gives you a
good starting point).
chun ji wrote:
Hi there,
I have couple of questions here.
Q1.
I want to replace some attribute values in a xml
file,
but I am kind new to the XSLT and is blocked for
what
I should do next.
So here is my original xml file, ?old.xml?
?
<?xml version="1.0" encoding="UTF-8"?>
<beans
xmlns=http://www.springframework.org/schema/beans
?>
<bean id="wandDataSource" class="?#34;
destroy-method="close" scope="singleton">
<property name="driverClassName"
value="oracle.jdbc.driver.OracleDriver"/>
<property name="url"
value="jdbc:oracle:thin:@www.boogle.com:1521:abcd"/>
<property name="username"
value="someusername"/>
<property name="password"
value="somepassword"/>
</bean>
</beans>
?
I want to replace the username & password with the
value I give, for example, ?newuser?&
?newpassword?
But that ?old.xml?file is randomly generated, and
I
don?t know the value of ?username?and ?password?>
in
it, when these are being replaced. So in that
case,
what this xsl template file should be looks like?
Here is the target in my ANT script, that I used
to
try to make that replacement.
??> > <target name="updateXML">
<xslt in="old.xml" out="new.xml"
style="update.xsl">
<param name=?user" expression=?newuser"/>
<param name="pwd" expression="newpassword
"/>
</xslt>
</target>
?> > ?> >
Q2.
I started to learn this kind of XML/XSLT tool
almost 9
months ago, , but I still feel that there are lots
of
things that I don?t know. Does someone know if
there
are some good XML books in the market? Or some
website
that can give a beginner very decent XML
education? I
think that would help me a lot.
Thanks in advance.
Charlie.
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