spring-data-redis JacksonObjectWriter 源码
spring-data-redis JacksonObjectWriter 代码
文件路径：/src/main/java/org/springframework/data/redis/serializer/JacksonObjectWriter.java
/*
* Copyright 2022 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.data.redis.serializer;
import java.io.IOException;
import com.fasterxml.jackson.databind.ObjectMapper;
/**
* Defines the contract for Object Mapping writers. Implementations of this interface can serialize a given Object to a
* {@code byte[]} containing JSON.
* <p>
* Writer functions can customize how the actual JSON is being written by e.g. obtaining a customized
* {@link com.fasterxml.jackson.databind.ObjectWriter} applying serialization features, date formats, or views.
*
* @author Mark Paluch
* @since 3.0
*/
@FunctionalInterface
public interface JacksonObjectWriter {
/**
* Write the object graph with the given root {@code source} as byte array.
*
* @param mapper the object mapper to use.
* @param source the root of the object graph to marshal.
* @return a byte array containing the serialized object graph.
* @throws IOException if an I/O error or JSON serialization error occurs.
*/
byte[] write(ObjectMapper mapper, Object source) throws IOException;
/**
* Create a default {@link JacksonObjectWriter} delegating to {@link ObjectMapper#writeValueAsBytes(Object)}.
*
* @return the default {@link JacksonObjectWriter}.
*/
static JacksonObjectWriter create() {
return ObjectMapper::writeValueAsBytes;
}
}
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