CalvinKirs commented on code in PR #1971: URL: https://github.com/apache/incubator-seatunnel/pull/1971#discussion_r885118665
########## seatunnel-common/src/main/java/org/apache/seatunnel/common/utils/JsonUtils.java: ########## @@ -0,0 +1,377 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You 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 org.apache.seatunnel.common.utils; + +import static com.fasterxml.jackson.databind.DeserializationFeature.ACCEPT_EMPTY_ARRAY_AS_NULL_OBJECT; +import static com.fasterxml.jackson.databind.DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES; +import static com.fasterxml.jackson.databind.DeserializationFeature.READ_UNKNOWN_ENUM_VALUES_AS_NULL; +import static com.fasterxml.jackson.databind.MapperFeature.REQUIRE_SETTERS_FOR_GETTERS; +import static java.nio.charset.StandardCharsets.UTF_8; + +import com.fasterxml.jackson.core.JsonGenerator; +import com.fasterxml.jackson.core.JsonParser; +import com.fasterxml.jackson.core.JsonProcessingException; +import com.fasterxml.jackson.core.type.TypeReference; +import com.fasterxml.jackson.databind.DeserializationContext; +import com.fasterxml.jackson.databind.JsonDeserializer; +import com.fasterxml.jackson.databind.JsonNode; +import com.fasterxml.jackson.databind.JsonSerializer; +import com.fasterxml.jackson.databind.ObjectMapper; +import com.fasterxml.jackson.databind.ObjectWriter; +import com.fasterxml.jackson.databind.SerializationFeature; +import com.fasterxml.jackson.databind.SerializerProvider; +import com.fasterxml.jackson.databind.node.ArrayNode; +import com.fasterxml.jackson.databind.node.ObjectNode; +import com.fasterxml.jackson.databind.node.TextNode; +import com.fasterxml.jackson.databind.type.CollectionType; +import org.apache.commons.lang3.StringUtils; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.io.IOException; +import java.util.ArrayList; +import java.util.Collections; +import java.util.List; +import java.util.Map; +import java.util.Objects; +import java.util.TimeZone; + +public class JsonUtils { + + private static final Logger LOGGER = LoggerFactory.getLogger(JsonUtils.class); + + /** + * can use static singleton, inject: just make sure to reuse! + */ + private static final ObjectMapper OBJECT_MAPPER = new ObjectMapper() + .configure(FAIL_ON_UNKNOWN_PROPERTIES, false) + .configure(ACCEPT_EMPTY_ARRAY_AS_NULL_OBJECT, true) + .configure(READ_UNKNOWN_ENUM_VALUES_AS_NULL, true) + .configure(REQUIRE_SETTERS_FOR_GETTERS, true) + .setTimeZone(TimeZone.getDefault()); + + private JsonUtils() { + throw new UnsupportedOperationException("Construct JSONUtils"); + } + + public static ArrayNode createArrayNode() { + return OBJECT_MAPPER.createArrayNode(); + } + + public static ObjectNode createObjectNode() { + return OBJECT_MAPPER.createObjectNode(); + } + + public static JsonNode toJsonNode(Object obj) { + return OBJECT_MAPPER.valueToTree(obj); + } + + /** + * json representation of object + * + * @param object object + * @param feature feature + * @return object to json string + */ + public static String toJsonString(Object object, SerializationFeature feature) { + try { + ObjectWriter writer = OBJECT_MAPPER.writer(feature); + return writer.writeValueAsString(object); + } catch (Exception e) { + LOGGER.error("object to json exception!", e); Review Comment: Good catch -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
