To continue this conversation question once again:
Is there a way to have xsd and POJO like I have (or yours modified
xsd) and get the ouput I expect by using castors mapping file?
1. children with namespace prefix
2. empty children are not marhaled?
Thank you a lot for your requests
Antoni
-----Original Message-----
From: Alatalo, Antoni [mailto:[EMAIL PROTECTED]
Sent: 10. huhtikuuta 2008 13:49
To: [email protected]
Subject: RE: [castor-user] How to use hierarchical objects with wrapper
Hi,
I've did generate code and it's not right way for me.
Enstead of one domain class I get six classes. From simple 20 line
class I get something too complex.
As I mentioned before I want to use same domain structure independent
from the technologies. In the other words no hibernate, castor or axis
should be present in the model.
Of course here can be three different domain models, one is my own,
second generated by castor, third database layer model. But it requers
mappings between models and is not what we are looking.
The ideal is something like castors mapping file. It's a glue between
java class and xsd schema. Only thing is to get it work in every
situation.
Regards.
Antoni
-----Original Message-----
From: Werner Guttmann [mailto:[EMAIL PROTECTED]
Sent: 10. huhtikuuta 2008 13:23
To: [email protected]
Subject: Re: [castor-user] How to use hierarchical objects with wrapper
Hi,
there you are:
**** XML schema:
<?xml version="1.0" encoding="UTF-8"?>
<schema xmlns="http://www.w3.org/2001/XMLSchema";
targetNamespace="http://example.com/foo";
xmlns:tns="http://example.com/foo";
elementFormDefault="qualified">
<complexType name="foo">
<sequence>
<element name="children" minOccurs="0">
<complexType>
<sequence>
<element name="foo"
type="tns:foo"
maxOccurs="unbounded">
</element>
</sequence>
</complexType>
</element>
</sequence>
<attribute name="name"></attribute>
</complexType>
<!--
<element name="foo" type="tns:fooType"></element>
-->
</schema>
*** builder properties:
# Selects the Java class mapping for <xsd:element>'s and
<xsd:complexType>'s.
# Legal values are 'element' and 'type'. For 'element' mapping, the
source # generator creates a Java class hierarchy based on elements in
the XML Schema.
# For 'type' mapping, the class hierarchy is based on types in the XML
Schema.
# Default is 'element'.
#
org.exolab.castor.builder.javaclassmapping=type
Everything else is standard, so please generate the classes yourself.
Please note that I changed the XML schema to meet the expected XML
defined in the test case.
Regards
Werner Guttmannb
Alatalo, Antoni wrote:
Please, send me schema you modified and class you are generated
Seems that I send you wrong version of xsd. Here is what I'm using.
Only different is ref <?xml version="1.0" encoding="UTF-8"?> <schema
xmlns="http://www.w3.org/2001/XMLSchema";
targetNamespace="http://example.com/foo";
xmlns:tns="http://example.com/foo";
elementFormDefault="qualified">
<complexType name="fooType">
<sequence>
<element name="children" minOccurs="0"
nillable="false">
<complexType>
<sequence>
<element ref="tns:foo"
maxOccurs="unbounded">
</element>
</sequence>
</complexType>
</element>
</sequence>
<attribute name="name"></attribute>
</complexType>
<element name="foo" type="tns:fooType"></element> </schema>
Terv.
Antoni
-----Original Message-----
From: Werner Guttmann [mailto:[EMAIL PROTECTED]
Sent: 10. huhtikuuta 2008 12:45
To: [email protected]
Subject: Re: [castor-user] How to use hierarchical objects with
wrapper
Just to let you know, after modifying your XML schema slightly, I was
able to pruduce the desired output as follows just by generating
classes from the XML schema given, without having to write a mapping
file.
Regards
Werner
Committer, Castor
Alatalo, Antoni wrote:
Hi,
Here is all in nutshell:
SCHEMA:
<?xml version="1.0" encoding="UTF-8"?> <schema
xmlns="http://www.w3.org/2001/XMLSchema";
targetNamespace="http://example.com/foo";
xmlns:tns="http://example.com/foo";
elementFormDefault="qualified">
<complexType name="fooType">
<sequence>
<element name="children" minOccurs="0">
<complexType>
<sequence>
<element
name="child" type="tns:fooType"
maxOccurs="unbounded">
</element>
</sequence>
</complexType>
</element>
</sequence>
<attribute name="name"></attribute>
</complexType>
<element name="foo" type="tns:fooType"></element> </schema>
CASTOR
<?xml version="1.0"?>
<!DOCTYPE mapping PUBLIC "-//EXOLAB/Castor Mapping DTD Version 1.0//EN"
"http://castor.org/mapping.dtd";> <mapping>
<class name="com.example.Foo" auto-complete="false">
<map-to xml="foo" ns-uri="http://example.com/foo";
ns-prefix="foo" />
<field name="name" type="java.lang.String">
<bind-xml name="name" node="attribute" />
</field>
<field name="children" collection="collection"
type="com.example.Foo" container="false">
</field>
</class>
</mapping>
BEAN
package com.example;
import java.util.Collection;
public class Foo {
private String name;
private Collection<Foo> children;
public Foo(){}
public Foo(String name){
setName(name);
}
public Collection<Foo> getChildren() {
return children;
}
public void setChildren(Collection<Foo> children) {
this.children = children;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
}
TESTCASE:
package com.example;
import java.io.IOException;
import java.io.StringReader;
import java.io.StringWriter;
import java.util.Collection;
import java.util.HashSet;
import junit.framework.TestCase;
import org.exolab.castor.xml.XMLContext; import
org.exolab.castor.mapping.Mapping;
import org.exolab.castor.mapping.MappingException;
import org.exolab.castor.xml.MarshalException;
import org.exolab.castor.xml.Unmarshaller;
import org.exolab.castor.xml.Marshaller; import
org.exolab.castor.xml.ValidationException;
import com.example.Foo;
public class CastorFooTest extends TestCase {
Mapping mapping = null;
XMLContext context = null;
public void setUp() throws IOException, MappingException{
mapping = new Mapping();
mapping.loadMapping("src/META-INF/castor/foo-castor.xml");
context = new XMLContext();
context.addMapping(mapping);
}
public void testMarhallFoo() throws IOException,
MappingException, MarshalException, ValidationException{
Marshaller marshaller = context.createMarshaller();
StringWriter writer = new StringWriter();
marshaller.setWriter(writer);
marshaller.setMarshalAsDocument(false);
marshaller.setMapping(mapping);
marshaller.setSuppressNamespaces(false);
marshaller.marshal(getFoo());
assertEquals(expected, writer.getBuffer().toString());
}
public void testUnMarhallFoo() throws IOException,
MappingException, MarshalException, ValidationException{
Unmarshaller unmarshaller =
context.createUnmarshaller();
StringReader reader = new StringReader(expected);
Foo result = (Foo)unmarshaller.unmarshal(reader);
Foo exp = getFoo();
assertEquals(exp.getName(), result.getName());
}
private Foo getFoo(){
Foo foo = getFoo("");
Collection<Foo> children = new HashSet<Foo>();
children.add(getFoo("2"));
children.add(getFoo("1"));
foo.setChildren(children);
return foo;
}
private Foo getFoo(String s){
Foo foo = new Foo("foo".concat(s));
return foo;
}
private String expected = "<foo:foo
xmlns:foo=\"http://example.com/foo\";
name=\"foo\"><foo:children><foo:foo name=\"foo1\"></foo:foo><foo:foo
name=\"foo2\"></foo:foo></foo:children></foo:foo>";
}
Expected output
<?xml version="1.0" encoding="UTF-8"?> <foo:foo name="foo"
xmlns:foo="http://example.com/foo";>
<foo:children>
<foo:foo name="foo1"/>
<foo:foo name="foo2"/>
</foo:children>
</foo:foo>
OUTPUT I GET:
<?xml version="1.0" encoding="UTF-8"?> <foo:foo name="foo"
xmlns:foo="http://example.com/foo";>
<children> - ERROR NUMBER 1
<foo:foo name="foo1">
<children /> - ERROR NUMBER 2
</foo:foo>
<foo:foo name="foo2">
<children /> - ERROR NUMBER 2
</foo:foo>
</children> - ERROR NUMBER 1
</foo:foo>
Output I get isn't valid:
1. <children> element must have foo prefix as all others:
<foo:children> 2. there must not be empty <children/> element at all
Regards.
Antoni
-----Original Message-----
From: Werner Guttmann [mailto:[EMAIL PROTECTED]
Sent: 9. huhtikuuta 2008 15:13
To: [email protected]
Subject: Re: [castor-user] How to use hierarchical objects with
wrapper
Alatalo, Antoni wrote:
Hi,
I have Object A that has Collection of Objects A. Normal hierarchy
structure.
I got to work it almost well except two details.
The collection is wrapped. It should look like this Lets name
namespace like bar <bar:foo name="1">
<bar:children>
<bar:foo name="2*"*/>
<bar:foo name="3"/>
</bar:children>
</bar:foo>
The problem is that chioldren while marhalling doen't get bar prefix.
This is output after marshalling
<bar:foo name="1">
<children>
<bar:foo name="2*"*>
<children/>
</bar:foo>
<bar:foo name="3">
<children/>
</bar:foo>
</children>
</bar:foo>
How can i configure mapper to use prefix with "children" wrapper?
Without this xml is not valid!
What version of Castor are you using ? And what does your mapping
for the relevant classes look like ? It looks like you are using the
locations attribute on the field mapping for the 'bar' children ?
Teh next thing is empty collection. How can i configure mapper to
exclude empty or null not required values?
Can you show us some sample XML that highlights your problem ? It
just isn't fully clear to me what the problem is.
Thank you
*Antoni Alatalo
*Ohjelmistoasiantuntija
Kuntatoimiala, sosiaalitoimi
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