Eitan,
Are you using the CVS version?
What does the generated Mapping file look like? Does it look valid?
--Keith
Eitan Suez wrote:
>
> Hi All,
>
> I have taken a little time to review the castor documentation
> this weekend. I have also skimmed through some of the mailing
> list archives (how it has grown!).
>
> I have discovered castor features I wasn't familiar with such
> as the org.exolab.castor.tools.MappingTool that can be used
> to automatically generate a skeleton mapping file which can
> be used as a starting point for a custom mapping file. It
> takes a lot of the drudgery out of writing the mappings for
> existing java classes.
>
> Question: i got mappingtool to work for a class with a
> list of properties. when i tried to run it again using a
> class with a collection property, it failed. i may be using
> the tool wrong. here's simple code i used to run MappingTool:
>
> ===============================
> package com.u2d.tests;
>
> import org.exolab.castor.tools.*;
> import java.io.*;
>
> public class MapMaker
> {
>
> public static void main(String[] args) throws Exception
> {
> MappingTool maptool = new MappingTool();
> maptool.addClass("com.u2d.ide.Debugger");
> File outfile = new File("outfile.xml");
> FileWriter w = new FileWriter(outfile);
> maptool.write(w);
> w.close();
> }
> }
> ===============================
>
> here's a class for which this run failed:
>
> ===============================
> package com.u2d.ide;
>
> import java.util.*;
>
> public class Debugger
> {
> private List classpaths;
> private String jreVersion;
>
> public Debugger()
> {
> classpaths = new ArrayList(10);
> }
>
> public List getClasspaths()
> {
> return classpaths;
> }
> public void addClasspath(String path)
> {
> classpaths.add(path);
> }
>
> public String getJreVersion()
> {
> return jreVersion;
> }
> public void setJreVersion(String ver)
> {
> jreVersion = ver;
> }
>
> public String toString()
> {
> String cp = "";
> for (int i=0; i<classpaths.size(); i++)
> {
> cp += classpaths.get(i) + ":" ;
> }
> return "\n\t\tclasspath: "+cp+"; "+
> "\n\t\tjre version: "+jreVersion;
> }
> }
> ===============================
>
> i verified that if i were to remove the "classpaths"
> property from "Debugger", my MapMaker class's run would
> complete successfully.
>
> finally, here's the exception i got:
>
> ===============================
> Exception in thread "main" ValidationException: "" is not a valid NCName.;
> - location of error: XPATH: mapping/class/field/@name
> at
> org.exolab.castor.xml.validators.NameValidator.validate(NameValidator.java:1
> 18)
> at
> org.exolab.castor.xml.validators.NameValidator.validate(NameValidator.java:1
> 33)
> at
> org.exolab.castor.xml.FieldValidator.validate(FieldValidator.java:249)
> at org.exolab.castor.xml.Validator.validate(Validator.java:133)
> at
> org.exolab.castor.xml.FieldValidator.validate(FieldValidator.java:217)
> at org.exolab.castor.xml.Validator.validate(Validator.java:133)
> at
> org.exolab.castor.xml.FieldValidator.validate(FieldValidator.java:217)
> at org.exolab.castor.xml.Validator.validate(Validator.java:133)
> at org.exolab.castor.xml.Marshaller.validate(Marshaller.java:1152)
> at org.exolab.castor.xml.Marshaller.marshal(Marshaller.java:534)
> at org.exolab.castor.tools.MappingTool.write(MappingTool.java:387)
> at com.u2d.tests.MapMaker.main(MapMaker.java:17)
> ===============================
>
> on a related note, i would be more than happy to add some mappingtool
> documentation
> to the documentation set. if anyone would like to reply to this thread and
> volunteer
> extra information they've learned from using the mappingtool, i will make
> sure to
> include that information in the documentation.
>
> Thanks, Eitan
>
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