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This commit is contained in:
Rossen Stoyanchev
2017-08-16 15:45:14 +02:00
parent 5b29555d88
commit e433d8b66a
5 changed files with 45 additions and 32 deletions
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10
spring-web/src/main/java/org/springframework/http/codec/json/AbstractJackson2Decoder.java
View File

@@ -65,10 +65,10 @@ public abstract class AbstractJackson2Decoder extends Jackson2CodecSupport imple
@Override
public boolean canDecode(ResolvableType elementType, @Nullable MimeType mimeType) {
JavaType javaType = objectMapper().getTypeFactory().constructType(elementType.getType());
JavaType javaType = getObjectMapper().getTypeFactory().constructType(elementType.getType());
// Skip String: CharSequenceDecoder + "*/*" comes after
return (!CharSequence.class.isAssignableFrom(elementType.resolve(Object.class)) &&
objectMapper().canDeserialize(javaType) && supportsMimeType(mimeType));
getObjectMapper().canDeserialize(javaType) && supportsMimeType(mimeType));
}
@Override
@@ -89,7 +89,7 @@ public abstract class AbstractJackson2Decoder extends Jackson2CodecSupport imple
private Flux<TokenBuffer> tokenize(Publisher<DataBuffer> input, boolean tokenizeArrayElements) {
try {
JsonFactory factory = objectMapper().getFactory();
JsonFactory factory = getObjectMapper().getFactory();
JsonParser parser = factory.createNonBlockingByteArrayParser();
Jackson2Tokenizer tokenizer = new Jackson2Tokenizer(parser, tokenizeArrayElements);
return Flux.from(input).flatMap(tokenizer).doFinally(t -> tokenizer.endOfInput());
@@ -111,8 +111,8 @@ public abstract class AbstractJackson2Decoder extends Jackson2CodecSupport imple
Class<?> jsonView = (hints != null ? (Class<?>) hints.get(Jackson2CodecSupport.JSON_VIEW_HINT) : null);
ObjectReader reader = (jsonView != null ?
objectMapper().readerWithView(jsonView).forType(javaType) :
objectMapper().readerFor(javaType));
getObjectMapper().readerWithView(jsonView).forType(javaType) :
getObjectMapper().readerFor(javaType));
return tokens.map(tokenBuffer -> {
try {

4
spring-web/src/main/java/org/springframework/http/codec/json/AbstractJackson2Encoder.java
View File

@@ -81,7 +81,7 @@ public abstract class AbstractJackson2Encoder extends Jackson2CodecSupport imple
Class<?> clazz = elementType.resolve(Object.class);
return (Object.class == clazz) ||
!String.class.isAssignableFrom(elementType.resolve(clazz)) &&
objectMapper().canSerialize(clazz) && supportsMimeType(mimeType);
getObjectMapper().canSerialize(clazz) && supportsMimeType(mimeType);
}
@Override
@@ -116,7 +116,7 @@ public abstract class AbstractJackson2Encoder extends Jackson2CodecSupport imple
JavaType javaType = getJavaType(elementType.getType(), null);
Class<?> jsonView = (hints != null ? (Class<?>) hints.get(Jackson2CodecSupport.JSON_VIEW_HINT) : null);
ObjectWriter writer = (jsonView != null ?
objectMapper().writerWithView(jsonView) : objectMapper().writer());
getObjectMapper().writerWithView(jsonView) : getObjectMapper().writer());
if (javaType.isContainerType()) {
writer = writer.forType(javaType);

24
spring-web/src/main/java/org/springframework/http/codec/json/Jackson2CodecSupport.java
View File

@@ -56,9 +56,10 @@ public abstract class Jackson2CodecSupport {
private static final String JSON_VIEW_HINT_ERROR =
"@JsonView only supported for write hints with exactly 1 class argument: ";
protected static final List<MimeType> JSON_MIME_TYPES = Arrays.asList(
new MimeType("application", "json", StandardCharsets.UTF_8),
new MimeType("application", "*+json", StandardCharsets.UTF_8));
private static final List<MimeType> DEFAULT_MIME_TYPES = Collections.unmodifiableList(
Arrays.asList(
new MimeType("application", "json", StandardCharsets.UTF_8),
new MimeType("application", "*+json", StandardCharsets.UTF_8)));
private final ObjectMapper objectMapper;
@@ -72,15 +73,23 @@ public abstract class Jackson2CodecSupport {
protected Jackson2CodecSupport(ObjectMapper objectMapper, MimeType... mimeTypes) {
Assert.notNull(objectMapper, "ObjectMapper must not be null");
this.objectMapper = objectMapper;
this.mimeTypes = Collections.unmodifiableList(
!ObjectUtils.isEmpty(mimeTypes) ? Arrays.asList(mimeTypes) : JSON_MIME_TYPES );
this.mimeTypes = !ObjectUtils.isEmpty(mimeTypes) ?
Collections.unmodifiableList(Arrays.asList(mimeTypes)) : DEFAULT_MIME_TYPES;
}
protected ObjectMapper objectMapper() {
public ObjectMapper getObjectMapper() {
return this.objectMapper;
}
/**
* Sub-classes should expose this as "decodable" or "encodable" mime types.
*/
protected List<MimeType> getMimeTypes() {
return this.mimeTypes;
}
protected boolean supportsMimeType(@Nullable MimeType mimeType) {
return (mimeType == null || this.mimeTypes.stream().anyMatch(m -> m.isCompatibleWith(mimeType)));
}
@@ -111,7 +120,4 @@ public abstract class Jackson2CodecSupport {
@Nullable
protected abstract <A extends Annotation> A getAnnotation(MethodParameter parameter, Class<A> annotType);
protected List<MimeType> getMimeTypes() {
return mimeTypes;
}
}