com.predic8.membrane.core.openapi.validators.NumberValidator Maven / Gradle / Ivy
/*
* Copyright 2022 predic8 GmbH, www.predic8.com
*
* 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.
*/
package com.predic8.membrane.core.openapi.validators;
import com.fasterxml.jackson.databind.*;
import java.math.*;
import static java.lang.Double.*;
public class NumberValidator implements IJSONSchemaValidator {
/**
* Only check if obj can be converted to a number
*/
@Override
public ValidationErrors validate(ValidationContext ctx, Object obj) {
try {
if (obj instanceof JsonNode) {
// Not using double prevents from losing fractions
new BigDecimal(((JsonNode) obj).asText());
} else if (obj instanceof String) {
parseDouble((String) obj);
}
} catch (NumberFormatException e) {
return ValidationErrors.create(ctx.schemaType("number"), String.format("%s is not a number.", obj));
}
return null;
}
}