Hello Radu,
Thank you very much for your reply. I already managed to compile a .xsd
to java classes - however it appeared that the XmlBeans.compileXsd() did
not create Java source files. Thus I tried hard to read and understand
the code of scomp and after some "reveres engineering" various
undocumented classes i found out that I get the Java source created when
using XmlBeans.compileXsd() with all the variables properly set but not
with compileXsd(). [Therefore I suggest to update the docu about scomp
where they point to the compileXsd() function.] After the source was
created I compile it with the eclipse compiler: next I will write the
class loader.
regards
Radu Preotiuc-Pietro schrieb:
Well, this is somewhat a Java question also. Each Java class has to have a
classloader associated to it. The only way to get a Java class is to have a
classloader that is able to find the .class representation of a class and load
it.
What this means for XMLBeans is that you need to compile the Schemas to Java source
(XmlBeans.compileXsd() or call "scomp" in a different process), then compile
and jar that source and then create a classloader that has access to the freshly created
.jar file. XmlBeans can't create classes without source .java files and .jar files.
What I should also point out is that you will only be able to use such
dynamically generated classes via reflection (since they don't exist when your
code is compiled), so this is why most people prefer to use DOM or XmlCursor
when dealing with Schemas that they only know about at runtime. The XML
documents themselves will still be bound to a Schema, so you'll be able to do
Schema validation on them and get the actual Schema types.
Radu
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
Sent: Wednesday, October 08, 2008 2:23 AM
To: [email protected]
Subject: How to get Java Class of .xsd at runtime dynamically
on-the-fly?
Hello,
I need the (freshly compiled?) Java Class from a .xsd at
runtime on-the-fly. Without creating java source code files
or .jar files.
I tried org.apache.xmlbeans.XmlBeans.compileXsd()
and
org.apache.xmlbeans.XmlBeans.loadXsd()
but I could not figure out how to spawn a Class from it. I
tried to use the SchemaTypeSystem.getClassLoader() but this
returns null always. I also tried SchemaType.getJavaClass()
but somehow it does not work/I don't understand it/I don't
know how to find the "root item Class" with it.
Can you tell me: how do I get the Java Class of the "root
item" within the .xsd at runtime (on-the-fly, without
generating code files or .jar) ?
regards!
ali
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