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package org.glassfish.jersey.server.mvc.beanvalidation;
import javax.ws.rs.ConstrainedTo;
import javax.ws.rs.RuntimeType;
import javax.ws.rs.core.Configuration;
import javax.ws.rs.core.Feature;
import javax.ws.rs.core.FeatureContext;
import org.glassfish.jersey.server.mvc.MvcFeature;
import org.glassfish.jersey.server.validation.ValidationFeature;
/**
* {@link Feature} used to add support for {@link MvcFeature MVC} and Bean Validation.
* <p/>
* {@link org.glassfish.jersey.server.mvc.Viewable Viewable} (template) defined by
* {@link org.glassfish.jersey.server.mvc.ErrorTemplate ErrorTemplate} annotation, present directly on an executed resource method
* or on a resource class the resource method is defined in, is processed to display an error message caused by an
* {@link javax.validation.ConstraintViolationException Bean Validation exception}. Model is, in this case, a list of
* {@link org.glassfish.jersey.server.validation.ValidationError validation errors}.
* <p/>
* Note: This feature also registers {@link MvcFeature}.
*
* @author Michal Gajdos (michal.gajdos at oracle.com)
* @see org.glassfish.jersey.server.mvc.ErrorTemplate
* @since 2.3
*/
@ConstrainedTo(RuntimeType.SERVER)
public class MvcBeanValidationFeature implements Feature {
@Override
public boolean configure(final FeatureContext context) {
final Configuration config = context.getConfiguration();
if (!config.isRegistered(ValidationErrorTemplateExceptionMapper.class)) {
// Exception Mapper.
context.register(ValidationErrorTemplateExceptionMapper.class);
// BeanValidation feature.
if (!config.isRegistered(ValidationFeature.class)) {
context.register(ValidationFeature.class);
}
// Mvc feature.
if (!config.isRegistered(MvcFeature.class)) {
context.register(MvcFeature.class);
}
return true;
}
return false;
}
}