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content-class: urn:content-classes:message
Subject: RE: get/set methods for <xsd:any> element
Date: Sat, 14 Feb 2004 02:47:58 -0800
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Thread-Topic: get/set methods for <xsd:any> element
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From: "Cezar Andrei" <cezar@bea.com>
To: <xmlbeans-dev@xml.apache.org>
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Another possible solution is to have a helper class for doing all of =
this, and we should not forget the attribute wildcards. A helper class =
would give us more room to play with usability before we iron it in the =
XmlObject API.

Anybody interested in contributing this piece?

Cezar

> -----Original Message-----
> From: Wolfgang Hoschek [mailto:whoschek@lbl.gov]
> Sent: Thursday, February 12, 2004 5:45 PM
> To: xmlbeans-dev@xml.apache.org
> Subject: RE: get/set methods for <xsd:any> element
>=20
>=20
> Hi, just my 5 cents on the issue at hand.
>=20
> Although xsd:any with maxOccurs can be manipulated with=20
> XMLCursor this=20
> seems an unnecessary complication to me.
> IMHO, xmlbeans should ALSO spit out the highly convenient=20
> array accessor=20
> methods it usually spits out when using concrete elements instead of=20
> xsd:any, as follows:
>=20
> getAnyArray()
> getAnyArray(int)
> insertAny(int, XMLObject)
> removeAny(int)
> setAnyArray(XMLObject[])
> setAnyArray(int, XMLObject)
> sizeOfAnyArray()
>=20
> This would mean that things like the example below (which i use in a=20
> great many actual schemas) can be manipulated "as expected"=20
> and with a=20
> minimal learning curve.
>=20
> <xsd:complexType name=3D"ItemSetType">
> 	<xsd:sequence>
> 		<xsd:any processContents=3D"lax" minOccurs=3D"0"=20
> maxOccurs=3D"unbounded">
> 	</xsd:sequence>
> </xsd:complexType>
>=20
> Am I missing out on something here?
>=20
> Wolfgang.
>=20
> > If you want to insert an existing XmlObject, then you would first
> > position a cursor at the desired destination position (as I showed
> > before), then you would create another XmlCursor from the source
> > XmlObject and then call moveXml or copyXml on the source=20
> cursor, passing
> > as an argument, the target cursor.
> >=20
> > If, however, you do not have a source XmlObject, but just want to
> > construct some XML at a given position, say
> > <anything1><anything2/></anything1>, you could position a cursor to
> > where you want to insert the new XML and:
> >=20
> >     cursor.beginElement( "anything1" );
> >     cursor.insertElement( "anything2" );
> >=20
> > Hope this helps,
> > Eric
> >    =20
> >=20
> > -----Original Message-----
> > From: Ganga Sah [mailto:ganga_sah@yahoo.com]=20
> > Sent: Monday, January 05, 2004 11:05 PM
> > To: xmlbeans-dev@xml.apache.org
> > Subject: RE: get/set methods for <xsd:any> element
> >=20
> > Hi Eric,
> > Thanks for your reply.
> > I want to start with XML instance
> > "<foo><bar>xyx</bar></foo>", and insert an
> > XmlObject(say, "<anything1><anything2/></anything1>"
> > corresponding to xsd:any element) as the first child
> > of FooType object to get say,
> > "<foo><anything1><anything2/></anything1><bar>xyx</bar></foo>".
> > I am unable to do this using XmlCursor API, as
> > XmlCursor.insertElement()/beginElement() methods does
> > not take XmlObject as parameter but take only simple
> > element(string)??
> > How can I insert XmlObject into an existing XML
> > content tree?
> > thanks,
> > ganga
> >=20
> > --- Eric Vasilik <ericvas@bea.com> wrote:
> >> Given an XmlObject (all user generated objects
> >> derive from this), you
> >> can call newCursor().  This will return an XmlCursor
> >> which is positioned
> >> at the element or attribute associated with the
> >> XmlObject.
> >>=20
> >> Thus, in your case, from FooType, you could:
> >>=20
> >>     FooType ft =3D ....;
> >>     XmlCursor c =3D ft.newCursor(); // Cursor is at
> >> <foo>
> >>     c.toFirstChild();             // Cursor is at
> >> <a:bbbb>
> >>     c.toNextSibling();            // Cursor it at
> >> <bar>
> >>     etc ...
> >>=20
> >> You can transition back to XmlObject from an
> >> XmlCursor by calling
> >> getObject() on the cursor.  If this object has a
> >> java type, you will be
> >> able to cast it appropriately. =20
> >>=20
> >> Does this help?
> >>=20
> >> - Eric
> >>=20
> >> -----Original Message-----
> >> From: Ganga Sah [mailto:ganga_sah@yahoo.com]=20
> >> Sent: Monday, January 05, 2004 12:01 PM
> >> To: xmlbeans-dev@xml.apache.org
> >> Subject: RE: get/set methods for <xsd:any> element
> >>=20
> >> Hi Eric,
> >> My schema has following pattern:
> >> <schema ..>
> >> <element name=3D"foo" type=3D"FooType"/>
> >>=20
> >> <xsd:complexType name=3D"extType">
> >>  <xsd:sequence>
> >>   <xsd:any minOccurs=3D"0" maxOccurs=3D"unbounded"
> >> namespace=3D"##other"/>          =20
> >>  </xsd:sequence>
> >> </xsd:complexType>
> >>=20
> >> <xsd:complexType name=3D"FooType">
> >>  <xsd:complexContent>
> >>   <xsd:extension base=3D"extType">        =20
> >>    <xsd:sequence>
> >>     <xsd:element name=3D"bar" type=3D"xsd:string" />
> >>    </xsd:sequence>
> >>    </xsd:extension>
> >>   </xsd:complexContent>                =09
> >> </xsd:complexType>
> >> </schema>
> >>=20
> >> Correspong xml-fragment is:
> >>=20
> >> <foo>
> >>   <a:bbbb xmlns:a=3D"aaaa">
> >>   <bar>some-content</bar>
> >> </foo>
> >>=20
> >> I have got content of this XML instance in FooType
> >> Java object.
> >> How can I use xmlCursor to get(or set) the
> >> un-named(xsd:any) element(first child of FooType
> >> here)?
> >> Could you help me by giving me a code snippet to do
> >> this?
> >>=20
> >> thanks a lot,
> >> ganga
> >>=20
> >>=20
> >>=20
> >>=20
> >> --- Eric Vasilik <ericvas@bea.com> wrote:
> >> > We do not generate methods for the any elements.=20
> >> > However, you can use XmlCursor to navigate this
> >> > content in an un-typed manner.
> >> >=20
> >> > -----Original Message-----
> >> > From: Ganga Sah [mailto:ganga_sah@yahoo.com]
> >> > Sent: Monday, January 05, 2004 9:47 AM
> >> > To: xmlbeans-dev@xml.apache.org
> >> > Subject: get/set methods for <xsd:any> element
> >> >=20
> >> >=20
> >> > I am unable to find/use get(set) methods in
> >> xmlbeans
> >> > generated Java code for <xsd:any> element?
> >> >=20
> >> > -ganga
>=20
>=20
>=20
> -=20
> ---------------------------------------------------------------------
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>=20
>=20

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