org.springframework.http.codec.support.DefaultServerCodecConfigurer Maven / Gradle / Ivy
/*
* Copyright 2002-2018 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
*
* 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.springframework.http.codec.support;
import java.util.Collections;
import java.util.List;
import org.springframework.core.codec.Encoder;
import org.springframework.http.codec.FormHttpMessageReader;
import org.springframework.http.codec.HttpMessageReader;
import org.springframework.http.codec.HttpMessageWriter;
import org.springframework.http.codec.ServerCodecConfigurer;
import org.springframework.http.codec.ServerSentEventHttpMessageWriter;
import org.springframework.http.codec.multipart.MultipartHttpMessageReader;
import org.springframework.http.codec.multipart.SynchronossPartHttpMessageReader;
import org.springframework.lang.Nullable;
import org.springframework.util.ClassUtils;
/**
* Default implementation of {@link ServerCodecConfigurer}.
*
* @author Rossen Stoyanchev
* @since 5.0
*/
public class DefaultServerCodecConfigurer extends AbstractCodecConfigurer implements ServerCodecConfigurer {
static final boolean synchronossMultipartPresent =
ClassUtils.isPresent("org.synchronoss.cloud.nio.multipart.NioMultipartParser",
DefaultServerCodecConfigurer.class.getClassLoader());
public DefaultServerCodecConfigurer() {
super(new ServerDefaultCodecsImpl());
}
@Override
public ServerDefaultCodecs defaultCodecs() {
return (ServerDefaultCodecs) super.defaultCodecs();
}
/**
* Default implementation of {@link ServerDefaultCodecs}.
*/
private static class ServerDefaultCodecsImpl extends AbstractDefaultCodecs implements ServerDefaultCodecs {
@Nullable
private Encoder sseEncoder;
@Override
public void serverSentEventEncoder(Encoder encoder) {
this.sseEncoder = encoder;
}
@Override
List> getTypedReaders() {
if (!shouldRegisterDefaults()) {
return Collections.emptyList();
}
List> result = super.getTypedReaders();
result.add(new FormHttpMessageReader());
if (synchronossMultipartPresent) {
SynchronossPartHttpMessageReader partReader = new SynchronossPartHttpMessageReader();
result.add(partReader);
result.add(new MultipartHttpMessageReader(partReader));
}
return result;
}
@Override
List> getObjectWriters() {
if (!shouldRegisterDefaults()) {
return Collections.emptyList();
}
List> result = super.getObjectWriters();
result.add(new ServerSentEventHttpMessageWriter(getSseEncoder()));
return result;
}
@Nullable
private Encoder getSseEncoder() {
if (this.sseEncoder != null) {
return this.sseEncoder;
}
return jackson2Present ? getJackson2JsonEncoder() : null;
}
}
}