44 lines
1.2 KiB
Java
44 lines
1.2 KiB
Java
package org.gcube.accounting.datamodel.validators;
|
|
|
|
import java.io.Serializable;
|
|
import java.util.Map;
|
|
|
|
import org.gcube.accounting.datamodel.annotations.NotEmpty;
|
|
import org.gcube.accounting.exception.InvalidValueException;
|
|
|
|
public class NotEmptyValidator implements FieldValidator<NotEmpty>{
|
|
|
|
public Class<NotEmpty> annotation() {
|
|
return NotEmpty.class;
|
|
}
|
|
|
|
public boolean isValid(Serializable toValidate) {
|
|
if (toValidate == null) return false;
|
|
if (toValidate.getClass().isArray() ){
|
|
return ((Object[])toValidate).length>0;
|
|
}else if ( toValidate instanceof Iterable<?>){
|
|
return ((Iterable<?>) toValidate).iterator().hasNext();
|
|
} else if (toValidate instanceof Map<?,?>){
|
|
return ((Map<?,?>) toValidate).size()>0;
|
|
} else if (toValidate instanceof String ){
|
|
return !((String)toValidate).isEmpty();
|
|
} else return true;
|
|
}
|
|
|
|
public Serializable validate(Serializable toValidate) throws InvalidValueException {
|
|
try{
|
|
if(isValid(toValidate)){
|
|
return toValidate;
|
|
}
|
|
}catch(Exception e){
|
|
throw new InvalidValueException(getErrorSuffix(), e.getCause());
|
|
}
|
|
throw new InvalidValueException(getErrorSuffix());
|
|
}
|
|
|
|
public String getErrorSuffix() {
|
|
return "is empty";
|
|
}
|
|
|
|
}
|