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Document PartEvent API

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Closes #29170
This commit is contained in:
Arjen Poutsma
2022-10-10 16:34:56 +02:00
parent cf2b1020f4
commit dedcb19f44
4 changed files with 186 additions and 27 deletions
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10
spring-web/src/main/java/org/springframework/http/codec/multipart/PartEvent.java
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@@ -35,9 +35,9 @@ import org.springframework.util.Assert;
*
* Each part in a multipart HTTP message produces at least one
* {@code PartEvent} containing both {@link #headers() headers} and a
* {@linkplain PartEvent#content() buffer} with content of the part.
* {@linkplain PartEvent#content() buffer} with the contents of the part.
* <ul>
* <li>Form field will produce a <em>single</em> {@link FormPartEvent},
* <li>Form fields will produce a <em>single</em> {@link FormPartEvent},
* containing the {@linkplain FormPartEvent#value() value} of the field.</li>
* <li>File uploads will produce <em>one or more</em> {@link FilePartEvent}s,
* containing the {@linkplain FilePartEvent#filename() filename} used when
@@ -65,12 +65,12 @@ import org.springframework.util.Assert;
* // handle form field
* }
* else if (event instanceof FilePartEvent fileEvent) {
* String filename filename = fileEvent.filename();
* String filename = fileEvent.filename();
* Flux&lt;DataBuffer&gt; contents = partEvents.map(PartEvent::content);
* // handle file upload
* }
* else {
* return Mono.error("Unexpected event: " + event);
* return Mono.error(new RuntimeException("Unexpected event: " + event));
* }
* }
* else {
@@ -103,7 +103,7 @@ import org.springframework.util.Assert;
* .post()
* .uri("https://example.com")
* .body(Flux.concat(
* FormEventPart.create("field", "field value"),
* FormPartEvent.create("field", "field value"),
* FilePartEvent.create("file", resource)
* ), PartEvent.class)
* .retrieve()