org.hibernate.validator.internal.constraintvalidators.bv.notempty.NotEmptyValidatorForMap Maven / Gradle / Ivy
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JSR 380's RI, Hibernate Validator version ${hibernate-validator.version} and its dependencies repackaged as OSGi bundle
/*
* Hibernate Validator, declare and validate application constraints
*
* License: Apache License, Version 2.0
* See the license.txt file in the root directory or .
*/
package org.hibernate.validator.internal.constraintvalidators.bv.notempty;
import java.util.Map;
import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import javax.validation.constraints.NotEmpty;
/**
* Check that the map is not null and not empty.
*
* @author Guillaume Smet
*/
// as per the JLS, Map is a subtype of Map, so we need to explicitly reference
// Map here to support having properties defined as Map (see HV-1551)
@SuppressWarnings("rawtypes")
public class NotEmptyValidatorForMap implements ConstraintValidator {
/**
* Checks the map is not {@code null} and not empty.
*
* @param map the map to validate
* @param constraintValidatorContext context in which the constraint is evaluated
* @return returns {@code true} if the map is not {@code null} and the map is not empty
*/
@Override
public boolean isValid(Map map, ConstraintValidatorContext constraintValidatorContext) {
if ( map == null ) {
return false;
}
return map.size() > 0;
}
}