I am working with XML
and JAXB
as I am unmarshalling and marshalling the XML into Java objects and vice versa. Now I am trying to validate our XML against our schema(test.xsd). Suppose if any required field is missing in my XML, then I would like to know which field is missing after validating the XML against schema test.xsd.
public void unmarshal(final InputStream is) {
final XMLInputFactory factory = XMLInputFactory.newInstance();
final XMLStreamReader reader = factory.createXMLStreamReader(is);
Object req = unmarshaller.unmarshal(reader);
// how would I validate here?
}
How would I validate my XML against test.xsd schema. My test.xsd schema path is -
C:\workspace\one\two\three\src\main\java\com\package\serv\ap\versionOne\test.xsd
UPDATE: loading test.xsd as:
Schema schema = factorySchema.newSchema(new File("C:\\workspace\\one\\two\\three\\src\\main\\java\\com\\package\\serv\\ap\\versionOne\\test.xsd"));
You just need to set an instance of javax.xml.validation.Schema
on the Unmarshaller
before you do the unmarshal. You can specify an implementation of ValidationEventHandler
on the Unmarshaller
to catch any problems that occur during the unmarshal process.
For More Information
I have written more about this use case on my blog: