<dependency>
<groupId>com.blazebit</groupId>
<artifactId>blaze-common</artifactId>
<version>1.0.0</version>
</dependency>
import com.blazebit.persistence.CriteriaBuilderFactory;
import com.blazebit.persistence.CriteriaBuilder;
import com.blazebit.persistence.Criteria;
import com.blazebit.lang.StringUtils;
public class DataValidator {
private final CriteriaBuilderFactory cbf;
public DataValidator(CriteriaBuilderFactory cbf) {
this.cbf = cbf;
}
public boolean isValid(String data) {
if (StringUtils.isEmpty(data)) {
return false;
}
CriteriaBuilder<String> cb = cbf.create(data);
Criteria<String, CriteriaBuilder<String>> criteria = cb
.where("data").isNull()
.getFinalizedCriteria();
return criteria.getResultSize() == 0;
}
}
import com.blazebit.persistence.spi.CriteriaBuilderConfiguration;
import com.blazebit.persistence.spi.CriteriaBuilderConfigurationProvider;
public class Main {
public static void main(String[] args) {
CriteriaBuilderConfigurationProvider configProvider =
new MyCriteriaBuilderConfigurationProvider();
CriteriaBuilderConfiguration config =
configProvider.createCriteriaBuilderConfiguration();
CriteriaBuilderFactory cbf =
config.createCriteriaBuilderFactory();
DataValidator validator = new DataValidator(cbf);
String data = "test";
boolean isValid = validator.isValid(data);
if (isValid) {
System.out.println("Data is valid");
} else {
System.out.println("Data is invalid");
}
}
}
