Java tutorial
/* * Copyright 2002-2019 the original author or 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 org.springframework.amqp.support.converter; import org.springframework.amqp.core.MessageProperties; import org.springframework.util.MimeTypeUtils; import com.fasterxml.jackson.databind.DeserializationFeature; import com.fasterxml.jackson.databind.ObjectMapper; /** * JSON converter that uses the Jackson 2 Json library. * * @author Mark Pollack * @author James Carr * @author Dave Syer * @author Sam Nelson * @author Andreas Asplund * @author Gary Russell * @author Artem Bilan * @author Arlo Louis O'Keeffe * @author Mohammad Hewedy */ public class Jackson2JsonMessageConverter extends AbstractJackson2MessageConverter { /** * Construct with an internal {@link ObjectMapper} instance * and trusted packed to all ({@code *}). * @since 1.6.11 */ public Jackson2JsonMessageConverter() { this("*"); } /** * Construct with an internal {@link ObjectMapper} instance. * The {@link DeserializationFeature#FAIL_ON_UNKNOWN_PROPERTIES} is set to false on * the {@link ObjectMapper}. * @param trustedPackages the trusted Java packages for deserialization * @since 1.6.11 * @see DefaultJackson2JavaTypeMapper#setTrustedPackages(String...) */ public Jackson2JsonMessageConverter(String... trustedPackages) { this(new ObjectMapper(), trustedPackages); this.objectMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false); } /** * Construct with the provided {@link ObjectMapper} instance * and trusted packed to all ({@code *}). * @param jsonObjectMapper the {@link ObjectMapper} to use. * @since 1.6.12 */ public Jackson2JsonMessageConverter(ObjectMapper jsonObjectMapper) { this(jsonObjectMapper, "*"); } /** * Construct with the provided {@link ObjectMapper} instance. * @param jsonObjectMapper the {@link ObjectMapper} to use. * @param trustedPackages the trusted Java packages for deserialization * @since 1.6.11 * @see DefaultJackson2JavaTypeMapper#setTrustedPackages(String...) */ public Jackson2JsonMessageConverter(ObjectMapper jsonObjectMapper, String... trustedPackages) { super(jsonObjectMapper, MimeTypeUtils.parseMimeType(MessageProperties.CONTENT_TYPE_JSON), trustedPackages); } }