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Multipart writer detects custom Jackson encoder

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Closes gh-27017
This commit is contained in:
Rossen Stoyanchev
2021-06-08 17:40:06 +01:00
parent cc2b980e5c
commit a42540e64a
3 changed files with 47 additions and 12 deletions
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25
spring-web/src/test/java/org/springframework/http/codec/support/ClientCodecConfigurerTests.java
View File

@@ -123,12 +123,28 @@ public class ClientCodecConfigurerTests {
}
@Test
public void jackson2CodecCustomizations() {
public void jackson2CodecCustomization() {
Jackson2JsonDecoder decoder = new Jackson2JsonDecoder();
Jackson2JsonEncoder encoder = new Jackson2JsonEncoder();
this.configurer.defaultCodecs().jackson2JsonDecoder(decoder);
this.configurer.defaultCodecs().jackson2JsonEncoder(encoder);
List<HttpMessageReader<?>> readers = this.configurer.getReaders();
Jackson2JsonDecoder actualDecoder = findCodec(readers, Jackson2JsonDecoder.class);
assertThat(actualDecoder).isSameAs(decoder);
assertThat(findCodec(readers, ServerSentEventHttpMessageReader.class).getDecoder()).isSameAs(decoder);
List<HttpMessageWriter<?>> writers = this.configurer.getWriters();
Jackson2JsonEncoder actualEncoder = findCodec(writers, Jackson2JsonEncoder.class);
assertThat(actualEncoder).isSameAs(encoder);
MultipartHttpMessageWriter multipartWriter = findCodec(writers, MultipartHttpMessageWriter.class);
actualEncoder = findCodec(multipartWriter.getPartWriters(), Jackson2JsonEncoder.class);
assertThat(actualEncoder).isSameAs(encoder);
}
@Test
public void objectMapperCustomization() {
ObjectMapper objectMapper = new ObjectMapper();
this.configurer.defaultCodecs().configureDefaultCodec(codec -> {
if (codec instanceof Jackson2CodecSupport) {
@@ -138,13 +154,14 @@ public class ClientCodecConfigurerTests {
List<HttpMessageReader<?>> readers = this.configurer.getReaders();
Jackson2JsonDecoder actualDecoder = findCodec(readers, Jackson2JsonDecoder.class);
assertThat(actualDecoder).isSameAs(decoder);
assertThat(actualDecoder.getObjectMapper()).isSameAs(objectMapper);
assertThat(findCodec(readers, ServerSentEventHttpMessageReader.class).getDecoder()).isSameAs(decoder);
List<HttpMessageWriter<?>> writers = this.configurer.getWriters();
Jackson2JsonEncoder actualEncoder = findCodec(writers, Jackson2JsonEncoder.class);
assertThat(actualEncoder).isSameAs(encoder);
assertThat(actualEncoder.getObjectMapper()).isSameAs(objectMapper);
MultipartHttpMessageWriter multipartWriter = findCodec(writers, MultipartHttpMessageWriter.class);
actualEncoder = findCodec(multipartWriter.getPartWriters(), Jackson2JsonEncoder.class);
assertThat(actualEncoder.getObjectMapper()).isSameAs(objectMapper);
}

32
spring-web/src/test/java/org/springframework/http/codec/support/ServerCodecConfigurerTests.java
View File

@@ -1,5 +1,5 @@
/*
* Copyright 2002-2020 the original author or authors.
* Copyright 2002-2021 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.
@@ -125,15 +125,19 @@ public class ServerCodecConfigurerTests {
@Test
public void jackson2EncoderOverride() {
Jackson2JsonDecoder decoder = new Jackson2JsonDecoder();
Jackson2JsonEncoder encoder = new Jackson2JsonEncoder();
this.configurer.defaultCodecs().jackson2JsonDecoder(decoder);
this.configurer.defaultCodecs().jackson2JsonEncoder(encoder);
assertThat(this.configurer.getWriters().stream()
.filter(writer -> ServerSentEventHttpMessageWriter.class.equals(writer.getClass()))
.map(writer -> (ServerSentEventHttpMessageWriter) writer)
.findFirst()
.map(ServerSentEventHttpMessageWriter::getEncoder)
.filter(e -> e == encoder).orElse(null)).isSameAs(encoder);
List<HttpMessageReader<?>> readers = this.configurer.getReaders();
Jackson2JsonDecoder actualDecoder = findCodec(readers, Jackson2JsonDecoder.class);
assertThat(actualDecoder).isSameAs(decoder);
List<HttpMessageWriter<?>> writers = this.configurer.getWriters();
Jackson2JsonEncoder actualEncoder = findCodec(writers, Jackson2JsonEncoder.class);
assertThat(actualEncoder).isSameAs(encoder);
assertThat(findCodec(writers, ServerSentEventHttpMessageWriter.class).getEncoder()).isSameAs(encoder);
}
@Test
@@ -261,7 +265,19 @@ public class ServerCodecConfigurerTests {
@SuppressWarnings("unchecked")
private <T> T findCodec(List<?> codecs, Class<T> type) {
return (T) codecs.stream().filter(type::isInstance).findFirst().get();
return (T) codecs.stream()
.map(c -> {
if (c instanceof EncoderHttpMessageWriter) {
return ((EncoderHttpMessageWriter<?>) c).getEncoder();
}
else if (c instanceof DecoderHttpMessageReader) {
return ((DecoderHttpMessageReader<?>) c).getDecoder();
}
else {
return c;
}
})
.filter(type::isInstance).findFirst().get();
}
@SuppressWarnings("unchecked")