org.springframework.http.converter.smile.MappingJackson2SmileHttpMessageConverter Maven / Gradle / Ivy
/*
* Copyright 2002-2020 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.http.converter.smile;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.dataformat.smile.SmileFactory;
import org.springframework.http.MediaType;
import org.springframework.http.converter.json.AbstractJackson2HttpMessageConverter;
import org.springframework.http.converter.json.Jackson2ObjectMapperBuilder;
import org.springframework.util.Assert;
/**
* Implementation of {@link org.springframework.http.converter.HttpMessageConverter HttpMessageConverter}
* that can read and write Smile data format ("binary JSON") using
*
* the dedicated Jackson 2.x extension.
*
* By default, this converter supports {@code "application/x-jackson-smile"} media type.
* This can be overridden by setting the {@link #setSupportedMediaTypes supportedMediaTypes} property.
*
*
The default constructor uses the default configuration provided by {@link Jackson2ObjectMapperBuilder}.
*
*
Compatible with Jackson 2.9 to 2.12, as of Spring 5.3.
*
* @author Sebastien Deleuze
* @since 5.0
*/
public class MappingJackson2SmileHttpMessageConverter extends AbstractJackson2HttpMessageConverter {
/**
* Construct a new {@code MappingJackson2SmileHttpMessageConverter} using default configuration
* provided by {@code Jackson2ObjectMapperBuilder}.
*/
public MappingJackson2SmileHttpMessageConverter() {
this(Jackson2ObjectMapperBuilder.smile().build());
}
/**
* Construct a new {@code MappingJackson2SmileHttpMessageConverter} with a custom {@link ObjectMapper}
* (must be configured with a {@code SmileFactory} instance).
* You can use {@link Jackson2ObjectMapperBuilder} to build it easily.
* @see Jackson2ObjectMapperBuilder#smile()
*/
public MappingJackson2SmileHttpMessageConverter(ObjectMapper objectMapper) {
super(objectMapper, new MediaType("application", "x-jackson-smile"));
Assert.isInstanceOf(SmileFactory.class, objectMapper.getFactory(), "SmileFactory required");
}
/**
* {@inheritDoc}
* The {@code ObjectMapper} must be configured with a {@code SmileFactory} instance.
*/
@Override
public void setObjectMapper(ObjectMapper objectMapper) {
Assert.isInstanceOf(SmileFactory.class, objectMapper.getFactory(), "SmileFactory required");
super.setObjectMapper(objectMapper);
}
}