| Moving components from one XSD schema to another Ctd [message #37753] |
Thu, 04 March 2004 08:08  |
Eclipse User |
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Hi,
I need to merge one XSD schema into another XSD Schema. I wrote code to do
this that works in the case that 1 schema includes the other schema -
works fantastically using the help that you gave me on July 31 2003:
You suggested: You can only merge included schemas into a single schema
since imports imply a
different namespace and each different target namespace will require a
different schema document to be defined. If you want something to be
contained by a particular schema you would add it to the list returned by
xsdSchema.getContents(); adding it to a new container will remove it from
its
old container automatically.
However, I now have a problem when the first schema imports the second
schema. The problem is how Eclipse manages the namespace when an object is
moved from one schema to another. In my example, I have an element in
schema A, which is of type CT which is imported from schema B. When I add
the objects from the imported schema (B) to the main schema, the namespace
is lost - which is great since I want one big schema. However, the element
in A that references that complex type that was in B but is now in A
refers to it with the namespace prefix. I would have expected that the
dependency mechanism of Eclipse model would have updated the referring
element's reference before moving the complex type- this does not seem to
be happening.
In order to see what I mean try using the 2 xsds samples that come with
XML Spy - OrgChart.xsd and Address.xsd. OrgChart.xsd imports address.xsd
and when I do orgChart.getContents().add(addressComplexType). When I try
to parse this new merged schema after saving the merged to disk, I get the
following error:
XSD: Type reference 'http://www.altova.com/IPO#US-Address' is unresolved.
Here is a snippet of my merged schema:
<xsd:complexType name="OfficeType">
<xsd:sequence>
<xsd:element ref="Name"/>
<xsd:element ref="Desc"/>
<xsd:element name="Address" type="ipo:US-Address"/>
<xsd:element name="Phone" type="xsd:string"/>
<xsd:element name="Fax" type="xsd:string"/>
Note that the complex type US-Address is no longer in namespace ipo but
the element reference thinks that it is.
Thanks,
Hayden Marchant
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