package codetroopers.wicket.web.parsley;
import codetroopers.wicket.web.parsley.tagmodifier.ParsleyEmailTagModifier;
import codetroopers.wicket.web.parsley.tagmodifier.ParsleyMaxTagModifier;
import codetroopers.wicket.web.parsley.tagmodifier.ParsleyMinTagModifier;
import codetroopers.wicket.web.parsley.tagmodifier.ParsleyNotNullTagModifier;
import codetroopers.wicket.web.parsley.tagmodifier.ParsleyPatternTagModifier;
import codetroopers.wicket.web.parsley.tagmodifier.ParsleySizeTagModifier;
import org.apache.wicket.Application;
import org.apache.wicket.MetaDataKey;
import org.apache.wicket.bean.validation.BeanValidationConfiguration;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.validation.constraints.Max;
import javax.validation.constraints.Min;
import javax.validation.constraints.NotNull;
import javax.validation.constraints.Pattern;
import javax.validation.constraints.Size;
import java.lang.annotation.Annotation;
/**
* Base class handling ITagModifier registration
*
* If Hibernate Validator is in classpath, org.hibernate.validator.constraints.Email will be registered.
*
* @author cgatay
*/
public class Parsley {
static final Logger LOGGER = LoggerFactory.getLogger(Parsley.class);
static final MetaDataKey<Boolean> PARSLEY_REGISTERED = new MetaDataKey<Boolean>() {
};
private static Class<Annotation> HV_EMAIL_CONSTRAINT;
static {
try {
HV_EMAIL_CONSTRAINT = (Class<Annotation>) Class.forName("org.hibernate.validator.constraints.Email");
} catch (ClassNotFoundException e) {
LOGGER.info("Hibernate Validator not found, not registering Email constraint annotation");
}
}
public static void register(Application application) {
try {
final BeanValidationConfiguration configuration = (BeanValidationConfiguration) BeanValidationConfiguration.get();
LOGGER.info("Bean validation is already registered for this application, adding ParsleyTagModifiers.");
registerTagModifiers(configuration);
} catch (Exception e) {
final BeanValidationConfiguration configuration = new BeanValidationConfiguration();
registerTagModifiers(configuration);
configuration.configure(application);
}
application.setMetaData(PARSLEY_REGISTERED, true);
LOGGER.info("Bean validation is now registered.");
}
private static void registerTagModifiers(BeanValidationConfiguration configuration) {
configuration.register(Size.class, new ParsleySizeTagModifier());
configuration.register(Min.class, new ParsleyMinTagModifier());
configuration.register(Max.class, new ParsleyMaxTagModifier());
configuration.register(NotNull.class, new ParsleyNotNullTagModifier());
configuration.register(Pattern.class, new ParsleyPatternTagModifier());
if (HV_EMAIL_CONSTRAINT != null) {
//this is only added if hibernate validator is in the classpath
configuration.register(HV_EMAIL_CONSTRAINT, new ParsleyEmailTagModifier());
}
}
}