How to remove not required Elements from generated XML via jaxb
- by Dangling Piyush
I want to know if there is anyway for removing not required elements from generated xml using jaxb.I have my xsd element definition as follows.
<xsd:element name="Title" maxOccurs="1" minOccurs="0">
<xsd:annotation>
<xsd:documentation>
A name given to the digital record.
</xsd:documentation>
</xsd:annotation>
<xsd:simpleType>
<xsd:restriction base="xsd:string">
<xsd:minLength value="1"></xsd:minLength>
</xsd:restriction>
</xsd:simpleType>
</xsd:element>
As you can see it is not a mandatory element because
minOccurs="0"
But if it is not empty the length should be 1.
<xsd:minLength value="1"></xsd:minLength>
At the time of marshalling if I left the Title field blank it is throwing the
SAXException because of min-length restriction.
So what I want to do is to remove the whole occurrence of <Title/>
from generated XML.Right now i have removed the min-length restriction so it is adding the <Title> element as EMPTY
<Title></Title>
But I do not want it like this.Any help is appreciated.I am using jaxb 2.0 for Marshalling.
UPDATE:
Following is my variable definiton :
private JAXBContext jaxbContext;
private Unmarshaller unmarshaller;
private SchemaFactory factory;
private Schema schema;
private Marshaller marshaller;
Marshalling code.
jaxbContext = JAXBContext.newInstance(ERecordType.class);
marshaller = jaxbContext.createMarshaller();
factory = SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);
schema = factory.newSchema((new File(xsdLocation)));
marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true);
ERecordType e = new ERecordType();
e.setCataloging(rc);
/**
* Validate Against Schema.
*/
marshaller.setSchema(schema);
/**
* Marshal will throw an exception if XML not validated against
* schema.
*/
marshaller.marshal(e, System.out);
