/
ServerDefaultCodecsImpl.java
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/
ServerDefaultCodecsImpl.java
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/*
* Copyright 2002-2022 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.http.codec.support;
import java.util.List;
import org.springframework.core.codec.Encoder;
import org.springframework.http.codec.HttpMessageWriter;
import org.springframework.http.codec.ServerCodecConfigurer;
import org.springframework.http.codec.ServerSentEventHttpMessageWriter;
import org.springframework.lang.Nullable;
/**
* Default implementation of {@link ServerCodecConfigurer.ServerDefaultCodecs}.
*
* @author Rossen Stoyanchev
*/
class ServerDefaultCodecsImpl extends BaseDefaultCodecs implements ServerCodecConfigurer.ServerDefaultCodecs {
@Nullable
private Encoder<?> sseEncoder;
ServerDefaultCodecsImpl() {
}
ServerDefaultCodecsImpl(ServerDefaultCodecsImpl other) {
super(other);
this.sseEncoder = other.sseEncoder;
}
@Override
public void serverSentEventEncoder(Encoder<?> encoder) {
this.sseEncoder = encoder;
initObjectWriters();
}
@Override
protected void extendObjectWriters(List<HttpMessageWriter<?>> objectWriters) {
objectWriters.add(new ServerSentEventHttpMessageWriter(getSseEncoder()));
}
@Nullable
private Encoder<?> getSseEncoder() {
return this.sseEncoder != null ? this.sseEncoder :
jackson2Present ? getJackson2JsonEncoder() :
kotlinSerializationJsonPresent ? getKotlinSerializationJsonEncoder() :
null;
}
}