Thanks Michael,
Ed Wax earlier indicated also to obtain the name from the attr decl
interface -thanks again.......
Scott ------------
Scott R. Hinkelman, Senior Software Engineer IBM Software Group / Emerging
Technologies Cross-Industry SOA Foundation Standards Strategy Office:
512.823.8097 (TL 793.8097)
Cell: 512.415.8490
Michael
Glavassevich
<[EMAIL PROTECTED] To
com> j-users@xerces.apache.org)
cc
03/01/2007 08:37
PM Subject
Re: obtaining an attribute name
using the xs package
Please respond
[EMAIL PROTECTED]
apache.org
Hi Scott, You want to call getName() on the XSAttributeDeclaration. You're
currently
printing out the name (i.e. xs:token) of its [type
definition]. Thanks. Michael Glavassevich XML Parser Development IBM Toronto
Lab E-mail: [EMAIL PROTECTED]: [EMAIL PROTECTED] Hinkelman
<[EMAIL PROTECTED]> wrote on 03/01/2007 03:29:23 PM: > Hi, > I am learning and
trying to process, or print out for my
> understanding, the following simple schema contain 1 complex type
> with 1 attribute. My problem is I have yet to be able to print out
> the name, "languageLocaleID", of the attribute. >
> <?xml version="1.0" encoding="UTF-8"?>
> <xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"; xmlns:cct=" >
urn:un:unece:uncefact:documentation:standard:CoreComponentType:2"
xmlns:ccts=" > urn:un:unece:uncefact:documentation:standard: >
CoreComponentsTechnicalSpecification:2" targetNamespace="urn:un: >
unece:uncefact:documentation:standard:CoreComponentType:2"
elementFormDefault > ="qualified" attributeFormDefault="unqualified"
version="2.0"> > <xsd:complexType name="TextType"> > <xsd:simpleContent> >
<xsd:extension base="xsd:string"> > <xsd:attribute name="languageLocaleID"
type="xsd:token" use="optional"/>
> </xsd:extension> > </xsd:simpleContent> > </xsd:complexType> >
</xsd:schema> >
> Here is the fundamental code I am using, starting with a method
> which takes the complex type, Sorry for the length, but my question
> is where should I call getName() to obtain " "languageLocaleID" ?
> I obtain the Attr Uses from the complex type, get the Attr Decl from > the
Attr Use, and then the SimpleType from the Attr Decl - but
> nowhere an I getting the name. I am using xerces 2_9_0. >
> private void processCTD(XSComplexTypeDefinition ctd) { >
System.out.println("\nprocessing complex type <"+ctd.getName()+">"); >
> //get the Attribute Uses fro the complex type > XSObjectList
xsol=ctd.getAttributeUses(); > System.out.println("Number of Attribute
Uses...."+xsol.getLength()); > for(int j=0;j<xsol.getLength();j++){ >
XSAttributeUse attruse = (XSAttributeUse)xsol.item(j); > System.out.println
("attr use ns: "+attruse.getNamespace()); > System.out.println("attr use
name: "+attruse.getName()); > System.out.println("attr use nsItem:
"+attruse.getNamespaceItem()); > System.out.println("attr use type: "+
attruse.getType()); > System.out.println("attr use required:
"+attruse.getRequired()); > System.out.println("attr use constraint value:
"+attruse. > getConstraintValue());//null?
> short consttype=attruse.getConstraintType();//Value Constraint: one
> of default, fixed. > try{ > Object actualvc=attruse.getActualVC();//Value
Constraint: Binding
> specific actual constraint value or null if the value is in error or >
there is no value constraint. > if(actualvc!=null){ > System.out.println
("attr use actual value constrint:
"+actualvc.toString()); > }
> }catch(XSException e){ > e.printStackTrace(); > }
> try{ > short actualvalctype=attruse.getActualVCType();//The actual
> constraint value built-in datatype, e.g. STRING_DT, SHORT_DT. If the >
type definition of this value is a list type definition, this method >
returns LIST_DT. If the type definition of this value is a list type >
definition whose item type is a union type definition, this method
> returns LISTOFUNION_DT. To query the actual constraint value of the
> list or list of union type definitions use itemValueTypes. If the
> actualNormalizedValue is null, this method returns
UNAVAILABLE_DT . > }catch(XSException e){ > e.printStackTrace(); > }
> try{ > ShortList sl=attruse.getItemValueTypes();//In the case the actual
> constraint value represents a list, i.e. the actualValueType is
> LIST_DT, the returned array consists of one type kind which
> represents the itemType. If the actual constraint value represents a >
list type definition whose item type is a union type definition, i. > e.
LISTOFUNION_DT, for each actual constraint value in the list the
> array contains the corresponding memberType kind. For examples, see
> ItemPSVI.itemValueTypes. > if(sl!=null){ > for(j=0;j<sl.getLength();j++){ >
short sh=sl.item(j); > System.out.println("attr use short: "+sh); > }
> }
> }catch(XSException e){ > e.printStackTrace(); > }
>
> //get the declaration for the attribute use > XSAttributeDeclaration
attrdecl=attruse.getAttrDeclaration(); > //[attribute declaration]: provides
the attribute declaration
> itself, which will in turn determine the simple type definition used. >
short contype=attrdecl.getConstraintType();//Value constraint: one
> of VC_NONE, VC_DEFAULT, VC_FIXED. > String
sconvalue=attrdecl.getConstraintValue();//Value constraint:
> The constraint value with respect to the [type definition], otherwise
null. > System.out.println("attr decl value: "+sconvalue);//null ?
> try{ > Object obj=attrdecl.getActualVC();//Value Constraint: Binding
> specific actual constraint value or null if the value is in error or >
there is no value constraint. > }catch(XSException e){ > //XSException -
NOT_SUPPORTED_ERR: Raised if the implementation does > not support this
method. > e.printStackTrace(); > }
> try{ > short avalvct=attrdecl.getActualVCType();//The actual constraint
> value built-in datatype, e.g. STRING_DT, SHORT_DT. If the type
> definition of this value is a list type definition, this method
> returns LIST_DT. If the type definition of this value is a list type >
definition whose item type is a union type definition, this method
> returns LISTOFUNION_DT. To query the actual constraint value of the
> list or list of union type definitions use itemValueTypes. If the
> actualValue is null, this method returns UNAVAILABLE_DT. > }catch
(XSException e){ > //XSException - NOT_SUPPORTED_ERR: Raised if the
implementation does > not support this method. > e.printStackTrace(); > }
> try{ > ShortList sl2=attrdecl.getItemValueTypes();//In the case the actual
> constraint value represents a list, i.e. the actualValueType is
> LIST_DT, the returned array consists of one type kind which
> represents the itemType. If the actual constraint value represents a >
list type definition whose item type is a union type definition, i. > e.
LISTOFUNION_DT, for each actual constraint value in the list the
> array contains the corresponding memberType kind. For examples, see
> ItemPSVI.itemValueTypes. > }catch(XSException e){ > //XSException -
NOT_SUPPORTED_ERR: Raised if the implementation does > not support this
method. > e.printStackTrace(); > }
>
> XSSimpleTypeDefinition std= attrdecl.getTypeDefinition();//[type
> definition]: A simple type definition. > System.out.println("attr decl ns:
"+std.getNamespace()); > System.out.println("attr decl name: "+std.getName
()); > System.out.println("attr decl nsItem: "+std.getNamespaceItem()); >
System.out.println("attr decl type: "+std.getType()); >
> StringList slist=std.getLexicalEnumeration(); > System.out.println("attr
decl simple type lexical enum stringlist
> length "+slist.getLength()); > for(int k=0;k<slist.getLength();k++){ >
String str=slist.item(k); > System.out.println("a string list item:
"+str); > }
>
> slist=std.getLexicalPattern(); > System.out.println("attr decl simple type
lexical patterns
> stringlist length "+slist.getLength()); > for(int k=0;k<slist.getLength
();k++){ > String str=slist.item(k); > System.out.println("a string list
item: "+str); > }
> }
> }
>
>
> My output from this function is: >
> processing complex type <TextType> > Number of Attribute Uses....1 > attr
use ns: null > attr use name: null > attr use nsItem: null > attr use type: 4 >
attr use required: false > attr use constraint value: null > attr decl value:
null > attr decl ns: http://www.w3.org/2001/XMLSchema
> attr decl name: token > attr decl nsItem: null > attr decl type: 3 > attr
decl simple type lexical enum stringlist length 0 > attr decl simple type
lexical patterns stringlist length 0 >
> Any help on the correct way to obtain or process the attribute is
> appreciated. Thank you. >
> Scott R.
Hinkelman ---------------------------------------------------------------------
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