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Jackson2JsonTokenizer unwraps top level array only

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When the input stream is a JSON array the tokenizer skips over the
start and end array tokens in order to decode into an array of
top-level objects. However in this mode it also skips over nested
start and end array tokens which prevents proper parsing of JSR-310
dates (represented with an array syntax) as well as any fields that
are collections.

Issue: SPR-15803
This commit is contained in:
Rossen Stoyanchev
2017-07-21 12:41:20 +02:00
parent c3e3df57f8
commit bd0de7086e
2 changed files with 19 additions and 1 deletions
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7
spring-web/src/main/java/org/springframework/http/codec/json/Jackson2Tokenizer.java
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@@ -140,7 +140,7 @@ class Jackson2Tokenizer implements Function<DataBuffer, Flux<TokenBuffer>> {
}
private void processTokenArray(JsonToken token, List<TokenBuffer> result) throws IOException {
if (token != JsonToken.START_ARRAY && token != JsonToken.END_ARRAY) {
if (!isTopLevelArrayToken(token)) {
this.tokenBuffer.copyCurrentEvent(this.parser);
}
@@ -151,6 +151,11 @@ class Jackson2Tokenizer implements Function<DataBuffer, Flux<TokenBuffer>> {
}
}
private boolean isTopLevelArrayToken(JsonToken token) {
return (token == JsonToken.START_ARRAY && this.arrayDepth == 1) ||
(token == JsonToken.END_ARRAY && this.arrayDepth == 0);
}
public void endOfInput() {
this.inputFeeder.endOfInput();
}