/* * Copyright (c) 2016 Network New Technologies Inc. * * 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.networknt.schema; import com.fasterxml.jackson.databind.JsonNode; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import java.util.Collections; import java.util.Set; public class MinLengthValidator extends BaseJsonValidator implements JsonValidator { private static final Logger logger = LoggerFactory.getLogger(MinLengthValidator.class); private int minLength; public MinLengthValidator(String schemaPath, JsonNode schemaNode, JsonSchema parentSchema, ValidationContext validationContext) { super(schemaPath, schemaNode, parentSchema, ValidatorTypeCode.MIN_LENGTH, validationContext); minLength = Integer.MIN_VALUE; if (schemaNode != null && schemaNode.isIntegralNumber()) { minLength = schemaNode.intValue(); } parseErrorCode(getValidatorType().getErrorCodeKey()); } public Set<ValidationMessage> validate(JsonNode node, JsonNode rootNode, String at) { debug(logger, node, rootNode, at); JsonType nodeType = TypeFactory.getValueNodeType(node); if (nodeType != JsonType.STRING) { // ignore non-string types return Collections.emptySet(); } if (node.textValue().codePointCount(0, node.textValue().length()) < minLength) { return Collections.singleton(buildValidationMessage(at, "" + minLength)); } return Collections.emptySet(); } }