We are using JiBX CodeGen to go from XML schema to Java for Axis2 web
services. We code our XSD files with the appropriate constraints on each
field. However, we are doing all of our request validation on the server
side in Java. We want our validation logic to be executed in the business
tier so we can provide precise, contextual, localized error coding and error
messages on the response. For this we are using the Spring Validator
framework, which really simplifies the task.
One problem with this approach is that we have to code the constraints
twice, once in the XSD and once in Java. This means that we also have to
keep them in sync, which is hard. Now that Spring supports JSR-303, we
could eliminate the Java coding of basic validation by using annotations on
our entity classes (example below). If these could be derived from our XML
schema, it would be great!
I know that there has been some discussion about JiBX and JSR-303, but
nothing recently. Has any progress been made on this? Has anyone come up
with a solution? Is there any way to generate an import and an annotation
via CodeGen?
JSR-303 EXAMPLE:
import javax.validation.constraints.NotNull;
import javax.validation.constraints.Size;
public class Car {
@NotNull
private String manufacturer;
@NotNull
@Size(min = 2, max = 14)
private String licensePlate;
public Car(String manufacturer, String licencePlate) {
super();
this.manufacturer = manufacturer;
this.licensePlate = licencePlate;
}
//getters and setters ...
}
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