/* * 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.apache.commons.lang3.StringUtils; import org.slf4j.Logger; import java.net.URI; import java.util.Set; public abstract class BaseJsonValidator implements JsonValidator { private String schemaPath; private JsonNode schemaNode; private JsonSchema parentSchema; private boolean suppressSubSchemaRetrieval; private ValidatorTypeCode validatorType; private ErrorMessageType errorMessageType; /** * SchemaValidatorsConfig can only get and set in validationContext */ protected SchemaValidatorsConfig config; protected final boolean failFast; /** * ThreadLocal to allow to pass state in recursive validator calls */ protected final static ThreadLocal<ValidatorState> validatorState = new ThreadLocal<ValidatorState>(); public BaseJsonValidator(String schemaPath, JsonNode schemaNode, JsonSchema parentSchema, ValidatorTypeCode validatorType, ValidationContext validationContext) { this(schemaPath, schemaNode, parentSchema, validatorType, false, validationContext.getConfig() != null && validationContext.getConfig().isFailFast()); this.config = validationContext.getConfig() == null ? new SchemaValidatorsConfig() : validationContext.getConfig(); } public BaseJsonValidator(String schemaPath, JsonNode schemaNode, JsonSchema parentSchema, ValidatorTypeCode validatorType, boolean suppressSubSchemaRetrieval, boolean failFast) { this.errorMessageType = validatorType; this.schemaPath = schemaPath; this.schemaNode = schemaNode; this.parentSchema = parentSchema; this.validatorType = validatorType; this.suppressSubSchemaRetrieval = suppressSubSchemaRetrieval; this.failFast = failFast; } protected String getSchemaPath() { return schemaPath; } public JsonNode getSchemaNode() { return schemaNode; } protected JsonSchema getParentSchema() { return parentSchema; } protected JsonSchema fetchSubSchemaNode(ValidationContext validationContext) { return suppressSubSchemaRetrieval ? null : obtainSubSchemaNode(schemaNode, validationContext); } private static JsonSchema obtainSubSchemaNode(final JsonNode schemaNode, final ValidationContext validationContext) { final JsonNode node = schemaNode.get("id"); if (node == null) return null; if (node.equals(schemaNode.get("$schema"))) return null; final String text = node.textValue(); if (text == null) { return null; } else { final URI uri; try { uri = validationContext.getURIFactory().create(node.textValue()); } catch (IllegalArgumentException e) { return null; } return validationContext.getJsonSchemaFactory().getSchema(uri, validationContext.getConfig()); } } public Set<ValidationMessage> validate(JsonNode node) { return validate(node, node, AT_ROOT); } protected boolean equals(double n1, double n2) { return Math.abs(n1 - n2) < 1e-12; } protected boolean greaterThan(double n1, double n2) { return n1 - n2 > 1e-12; } protected boolean lessThan(double n1, double n2) { return n1 - n2 < -1e-12; } protected void parseErrorCode(String errorCodeKey) { JsonNode errorCodeNode = getParentSchema().getSchemaNode().get(errorCodeKey); if (errorCodeNode != null && errorCodeNode.isTextual()) { String errorCodeText = errorCodeNode.asText(); if (StringUtils.isNotBlank(errorCodeText)) { errorMessageType = CustomErrorMessageType.of(errorCodeText); } } } protected ValidationMessage buildValidationMessage(String at, String... arguments) { final ValidationMessage message = ValidationMessage.of(getValidatorType().getValue(), errorMessageType, at, arguments); if (failFast) { throw new JsonSchemaException(message); } return message; } protected void debug(Logger logger, JsonNode node, JsonNode rootNode, String at) { if (logger.isDebugEnabled()) { logger.debug("validate( " + node + ", " + rootNode + ", " + at + ")"); } } protected ValidatorTypeCode getValidatorType() { return validatorType; } protected String getNodeFieldType() { JsonNode typeField = this.getParentSchema().getSchemaNode().get("type"); if (typeField != null) { return typeField.asText(); } return null; } }