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String encoding for any MIME type

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CharSequenceEncoder now supports all MIME types, however since encoding
Flux<String> can overlap with other encoders (e.g. SSE) there are now
two ways to create a CharSequenceEncoder -- with support for text/plain
only or with support for any MIME type.

In WebFlux configuration we insert one CharSequenceEncoder for
text/plain (as we have so far) and a second instance with support for
any MIME type at the very end.

Issue: SPR-15374
This commit is contained in:
Rossen Stoyanchev
2017-03-22 17:54:18 -04:00
parent 2896c5d2ab
commit 3d68c496f1
16 changed files with 106 additions and 39 deletions
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23
spring-core/src/main/java/org/springframework/core/codec/CharSequenceEncoder.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2002-2016 the original author or authors.
* Copyright 2002-2017 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.
@@ -29,12 +29,14 @@ import org.springframework.core.ResolvableType;
import org.springframework.core.io.buffer.DataBuffer;
import org.springframework.core.io.buffer.DataBufferFactory;
import org.springframework.util.MimeType;
import org.springframework.util.MimeTypeUtils;
/**
* Encode from a {@code CharSequence} stream to a bytes stream.
*
* @author Sebastien Deleuze
* @author Arjen Poutsma
* @author Rossen Stoyanchev
* @since 5.0
* @see StringDecoder
*/
@@ -43,8 +45,8 @@ public class CharSequenceEncoder extends AbstractEncoder<CharSequence> {
public static final Charset DEFAULT_CHARSET = StandardCharsets.UTF_8;
public CharSequenceEncoder() {
super(new MimeType("text", "plain", DEFAULT_CHARSET));
private CharSequenceEncoder(MimeType... mimeTypes) {
super(mimeTypes);
}
@@ -73,4 +75,19 @@ public class CharSequenceEncoder extends AbstractEncoder<CharSequence> {
});
}
/**
* Create a {@code CharSequenceEncoder} that supports only "text/plain".
*/
public static CharSequenceEncoder textPlainOnly() {
return new CharSequenceEncoder(new MimeType("text", "plain", DEFAULT_CHARSET));
}
/**
* Create a {@code CharSequenceEncoder} that supports all MIME types.
*/
public static CharSequenceEncoder allMimeTypes() {
return new CharSequenceEncoder(new MimeType("text", "plain", DEFAULT_CHARSET), MimeTypeUtils.ALL);
}
}