io.micronaut.validation.validator.constraints.PatternValidator Maven / Gradle / Ivy
/*
* Copyright 2017-2020 original authors
*
* 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
*
* https://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.
*/
package io.micronaut.validation.validator.constraints;
import io.micronaut.core.annotation.AnnotationValue;
import io.micronaut.core.annotation.NonNull;
import io.micronaut.core.annotation.Nullable;
import jakarta.inject.Singleton;
import javax.validation.constraints.Pattern;
/**
* Validator for the {@link Pattern} annotation.
*
* @author graemerocher
* @since 1.2
*/
@Singleton
public class PatternValidator extends AbstractPatternValidator {
@Override
public boolean isValid(@Nullable CharSequence value, @NonNull AnnotationValue annotationMetadata, @NonNull ConstraintValidatorContext context) {
if (value == null) {
// null valid according to spec
return true;
}
java.util.regex.Pattern regex = getPattern(annotationMetadata, false);
return regex.matcher(value).matches();
}
}