package org.jtheque.ui.impl.constraints;
import org.jtheque.errors.Errors;
import org.jtheque.errors.Error;
import java.util.Collection;
/*
* Copyright JTheque (Baptiste Wicht)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* A constraint to indicate that the field cannot be null.
*
* @author Baptiste Wicht
*/
public final class NotNullConstraint extends NonLengthConstraint {
/**
* Construct a new NotNullConstraint.
*
* @param fieldName The field name.
*/
public NotNullConstraint(String fieldName) {
super(fieldName);
}
@Override
public void validate(Object field, Collection<Error> errors) {
if (field == null) {
errors.add(Errors.newI18nError("error.validation.field.empty", new Object[]{getFieldName()}));
}
}
}