Werner, do you have an idea of why I'm getting this error?
On Wed, Jul 16, 2008 at 1:01 PM, Geoffrey Fairchild <[EMAIL PROTECTED]>
wrote:
> When I make that change, I now get this error:
>
> org.exolab.castor.xml.MarshalException: cvc-elt.1: Cannot find the
> declaration of element 'dataSource'.{File: [not available]; line: 3; column:
> 52}
>
> dataSource is the top-level element in db-config-sample.xml and is defined
> in db-config-1.0.xsd. For some reason, Castor isn't seeing the XSD.
>
>
> On Wed, Jul 16, 2008 at 12:58 PM, Werner Guttmann <[EMAIL PROTECTED]>
> wrote:
>
>> Hi Geoffrey,
>>
>> Geoffrey Fairchild wrote:
>> > I'm looking over some of what you said. I'm trying to meet a deadline,
>> so
>> > right now, I'd just like to get the XSD working with the mapping.
>> However,
>> > I do plan on looking into the XML code generator next week.
>> >
>> > I've changed a few things around, but I'm still having issues. For some
>> > reason, http://www.castor.org/how-to-enable-xml-validation.html just
>> isn't
>> > clicking.
>> >
>> > *castor.xml*:
>> >
>> > <?xml version="1.0"?>
>> > <!DOCTYPE mapping PUBLIC "-//EXOLAB/Castor Mapping DTD Version 1.0//EN"
>> > "http://castor.org/mapping.dtd";>
>> >
>> > <mapping xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
>> > xsi:noNamespaceSchemaLocation="db-config-1.0.xsd">
>> >
>> Just repeating myself here: ths is actually invalid. This should read:
>>
>> <?xml version="1.0"?>
>> <!DOCTYPE mapping PUBLIC "-//EXOLAB/Castor Mapping DTD Version 1.0//EN"
>> "http://castor.org/mapping.dtd";>
>>
>> <mapping>
>>
>> That should get you going again.
>>
>> Werner
>>
>> > *db-config-1.0.xsd*:
>> >
>> > <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema";>
>> >
>> > *db-config-sample.xml*:
>> >
>> > <?xml version="1.0" encoding="UTF-8"?>
>> > <dataSource xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
>> > xsi:noNamespaceSchemaLocation="db-config-1.0.xsd">
>> >
>> > This is the error I get when I try to unmarshal:
>> >
>> > java.lang.RuntimeException: org.exolab.castor.mapping.MappingException:
>> > Nested error: org.exolab.castor.xml.MarshalException: Attribute
>> "xmlns:xsi"
>> > must be declared for element type "mapping".{File: [not available];
>> line: 6;
>> > column: 52}
>> >
>> > Can you tell me what I'm doing wrong here?
>> >
>> > Thanks for your patience.
>> >
>> > On Wed, Jul 16, 2008 at 12:40 PM, Geoffrey Fairchild <
>> > [EMAIL PROTECTED]> wrote:
>> >
>> >> I'll look into the XML code generator. I didn't know what that was and
>> >> didn't see that it existed, and that may very well do what I want it to
>> do.
>> >>
>> >>
>> >> On Wed, Jul 16, 2008 at 12:15 PM, Werner Guttmann <
>> [EMAIL PROTECTED]>
>> >> wrote:
>> >>
>> >>> Geoffrey,
>> >>>
>> >>> Geoffrey Fairchild wrote:
>> >>>> Hm, maybe I'm misunderstanding the purpose of the mapping file. I
>> >>> simply
>> >>>> want to map from an XML file containing data into a Java object
>> >>>> representation of that data. The Castor mapping XML file seems like
>> the
>> >>>> most logical way to do this without having to write a Java XML
>> parser.
>> >>> Yes, it is most commonly used way of XML data binding when you only
>> have
>> >>> Java classes, but no XML schema.
>> >>>> The
>> >>>> XSD merely provides requirements on how the XML file should be
>> formed.
>> >>> SUre. But with Castor XML, when you have an XML schema, there's a
>> second
>> >>> option to about XML data binding, i.e. mapping between XML and Java:
>> the
>> >>> XML code generator. You basically use the code generator to create
>> Java
>> >>> classes from an XML schema that automatically correspond to the XML
>> >>> schema defined. In addition to these domain classes, the code
>> generator
>> >>> will generate a second set of Java classes, i.e. the descriptor
>> classes.
>> >>> More further down.
>> >>>
>> >>>> I simply followed the guide at
>> >>>> http://www.castor.org/how-to-enable-xml-validation.html to get my
>> XML
>> >>> file
>> >>>> validated against the XSD, but I'm having the issues I previously
>> >>> mentioned.
>> >>> Okay, addressing just this question, have you seen my inline comment
>> re:
>> >>> the invalid use of the 'schemaLoaction' attribute in the mapping file
>> ? >
>> >>>> What are you talking about when you mention "internal descriptor
>> >>> classes"?
>> >>> As explained above, when using the code generator to generate Java
>> >>> classes from an XML schema, the code generator will generate a second
>> >>> set of classes which we call 'descriptor classes'. There descriptor
>> >>> classes define the XML data binding between the Java classes generated
>> >>> and the XML contract defined in the XML schema. In other words, there
>> is
>> >>> no need to define a mapping file any more.
>> >>>
>> >>> Actually, when you use a mapping file, on startup Castor XML converts
>> >>> the mapping definitions to (internally use) descriptors.
>> >>>
>> >>>> I looked over your website, and it primarily talks about the mapping
>> >>> file,
>> >>>> so I'm a little confused. I don't see any mention of "internal
>> >>> descriptor
>> >>>> classes."
>> >>> No, true. But in the left sided menu bar, you'll find a section 'XML
>> >>> code generator', incl. documentation about integration with build
>> tools
>> >>> such as Ant, Maven, the binding file, etc.
>> >>>
>> >>>> Thanks for your help.
>> >>>>
>> >>>> Geoff
>> >>>>
>> >>>> On Wed, Jul 16, 2008 at 4:40 AM, Werner Guttmann <
>> >>> [EMAIL PROTECTED]>
>> >>>> wrote:
>> >>>>
>> >>>>> Geoffrey,
>> >>>>>
>> >>>>> why do you want to be using a mapping file to map your Java classes
>> to
>> >>>>> XML when you have an XML schema available and as such could be in a
>> >>>>> position where you generate Java classes (and internal descriptor
>> >>>>> classes) from the XML schema, and as such avoid having to write a
>> >>>>> mapping file.
>> >>>>>
>> >>>>> Geoffrey Fairchild wrote:
>> >>>>>> First of all, if you have a Something Awful account, you can read a
>> >>> more
>> >>>>>> formatted version of this here:
>> >>>>>> http://forums.somethingawful.com/showthread.php?threadid=2902508
>> >>>>>>
>> >>>>>>
>> >>>>>>
>> >>>>>> I'll go ahead and rewrite this if you don't have an account.
>> >>>>>>
>> >>>>>>
>> >>>>>>
>> >>>>>> I've been messing with this most of the afternoon, and I just can't
>> >>>>> figure
>> >>>>>> it out.
>> >>>>>>
>> >>>>>>
>> >>>>>>
>> >>>>>> Basically, I've got an XML file I've got to parse. I need to put
>> the
>> >>>>> data
>> >>>>>> into a few Java objects, and Castor is a really easy way to do it.
>> >>>>> Castor's
>> >>>>>> working, and it's putting the data in the container properly. The
>> >>>>> problem
>> >>>>>> is that I have an XSD schema file defined to validate the XML file,
>> >>> but
>> >>>>> I'm
>> >>>>>> having issues getting Castor to validate it. The XSD is necessary
>> >>>>> because I
>> >>>>>> can type complete garbage into the XML file, and Castor reports
>> >>> success
>> >>>>> even
>> >>>>>> though it's totally invalid XML.
>> >>>>> That's an odd statement. If it's not valid XML, Castor will report
>> >>>>> exceptions.
>> >>>>>
>> >>>>>> I want to prevent this from happening.
>> >>>>>>
>> >>>>>>
>> >>>>>>
>> >>>>>> I'll get to it. Here're the pertinent lines from *castor.xml*, the
>> >>> file
>> >>>>>> that Castor uses to map the XML elements/attributes to the Java
>> >>> objects:
>> >>>>>>
>> >>>>>>
>> >>>>>> <?xml version="1.0"?>
>> >>>>>>
>> >>>>>> <!DOCTYPE mapping PUBLIC "-//EXOLAB/Castor Mapping DTD Version
>> >>> 1.0//EN"
>> >>>>>> "http://castor.org/mapping.dtd";>
>> >>>>>>
>> >>>>>>
>> >>>>>>
>> >>>>>> <mapping xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
>> >>>>>>
>> >>>>>> xmlns="http://centurylogix.com/dbconfig";
>> >>>>>>
>> >>>>>> xsi:schemaLocation="
>> >>>>> http://centurylogix.com/dbconfigdb-config-1.0.xsd";>
>> >>>>>>
>> >>>>>> <class
>> >>>>>> name="com.centurylogix.graph.hybrid.io.containers.DataSourceInfo">
>> >>>>>>
>> >>>>>> <map-to xml="dataSource" ns-uri="
>> >>>>>> http://centurylogix.com/dbconfig"; />
>> >>>>> Why on earth are you referencing the XML schema file from your
>> mapping
>> >>>>> file ? That does not make sense at all. If you want Castor to
>> validate
>> >>>>> your XML document instance against an XML schema, please refer to
>> the
>> >>>>> XML schema from the XML document instance 8and nowhere else).
>> >>>>>
>> >>>>>> If you need more than that, I can post it, but those should be the
>> >>> only
>> >>>>>> relevant lines.
>> >>>>>>
>> >>>>>>
>> >>>>>>
>> >>>>>> Here're the first few lines from *db-config-1.0.xsd* which is
>> >>> obviously
>> >>>>> the
>> >>>>>> schema file used to verify the XML file:
>> >>>>>>
>> >>>>>>
>> >>>>>>
>> >>>>>> <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema";
>> >>>>>>
>> >>>>>> targetNamespace="http://centurylogix.com/dbconfig";
>> >>>>>>
>> >>>>>> xmlns="http://centurylogix.com/dbconfig";
>> >>>>>>
>> >>>>>> elementFormDefault="qualified">
>> >>>>>>
>> >>>>>>
>> >>>>>>
>> >>>>>> And here're the first few lines from *db-config-sample.xml*, a
>> sample
>> >>> XML
>> >>>>>> file that Castor reads in and puts into the correct Java objects:
>> >>>>>>
>> >>>>>>
>> >>>>>>
>> >>>>>> <?xml version="1.0" encoding="UTF-8"?>
>> >>>>>>
>> >>>>>> <dataSource xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
>> >>>>>>
>> >>>>>> xsi:schemaLocation="
>> >>>>> http://centurylogix.com/dbconfigdb-config-1.0.xsd";>
>> >>>>>>
>> >>>>>> I do have a *castor.properties* file defined with the following
>> >>> contents,
>> >>>>>> per http://www.castor.org/how-to-enable-xml-validation.html:
>> >>>>>>
>> >>>>>>
>> >>>>>>
>> >>>>>> org.exolab.castor.indent=true
>> >>>>>>
>> >>>>>> org.exolab.castor.parser.namespaces=true
>> >>>>>>
>> >>>>>> org.exolab.castor.sax.features=
>> >>> http://xml.org/sax/features/validation,\<http://xml.org/sax/features/validation,%5C>
>> <http://xml.org/sax/features/validation,%5C>
>> >>> <http://xml.org/sax/features/validation,%5C>
>> >>>>>>
>> >>>>>> http://apache.org/xml/features/validation/schema,\<http://apache.org/xml/features/validation/schema,%5C>
>> <http://apache.org/xml/features/validation/schema,%5C>
>> >>> <http://apache.org/xml/features/validation/schema,%5C>
>> >>>>>>
>> >>>>> http://apache.org/xml/features/validation/schema-full-checking
>> >>>>>>
>> >>>>>> When I try to unmarshal the data, this is the error I get:
>> >>>>>>
>> >>>>>>
>> >>>>>>
>> >>>>>> java.lang.RuntimeException:
>> >>> org.exolab.castor.mapping.MappingException:
>> >>>>>> Nested error: org.exolab.castor.xml.MarshalException: Attribute
>> >>>>> "xmlns:xsi"
>> >>>>>> must be declared for element type "mapping".{File: [not available];
>> >>> line:
>> >>>>> 7;
>> >>>>>> column: 74}
>> >>>>>>
>> >>>>>>
>> >>>>>>
>> >>>>>> I don't quite understand this error. "xmlns:xsi" is clearly
>> defined
>> >>> in
>> >>>>> the
>> >>>>>> mapping element in castor.xml. Do any of you know what I'm doing
>> >>> wrong?
>> >>>>>> Any ideas at all? I think this is one those things that's probably
>> >>>>> simple
>> >>>>>> to fix, but I've just been staring at it too long, and I'm not
>> seeing
>> >>> the
>> >>>>>> solution. Thanks!
>> >>>>>>
>> >>>>>
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>
