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Support Jackson filters in combination with serialization view 

Issue: SPR-17209
This commit is contained in:
Juergen Hoeller 2018-08-24 12:06:52 +02:00
parent 7056808716
commit 03f1920106
2 changed files with 18 additions and 22 deletions
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18
spring-web/src/main/java/org/springframework/http/converter/json/AbstractJackson2HttpMessageConverter.java
View File

@ -256,10 +256,11 @@ public abstract class AbstractJackson2HttpMessageConverter extends AbstractGener
try {
writePrefix(generator, object);
Object value = object;
Class<?> serializationView = null;
FilterProvider filters = null;
Object value = object;
JavaType javaType = null;
if (object instanceof MappingJacksonValue) {
MappingJacksonValue container = (MappingJacksonValue) object;
value = container.getValue();
@ -269,15 +270,11 @@ public abstract class AbstractJackson2HttpMessageConverter extends AbstractGener
if (type != null && TypeUtils.isAssignable(type, value.getClass())) {
javaType = getJavaType(type, null);
}
ObjectWriter objectWriter;
if (serializationView != null) {
objectWriter = this.objectMapper.writerWithView(serializationView);
}
else if (filters != null) {
objectWriter = this.objectMapper.writer(filters);
}
else {
objectWriter = this.objectMapper.writer();
ObjectWriter objectWriter = (serializationView != null ?
this.objectMapper.writerWithView(serializationView) : this.objectMapper.writer());
if (filters != null) {
objectWriter = objectWriter.with(filters);
}
if (javaType != null && javaType.isContainerType()) {
objectWriter = objectWriter.forType(javaType);
@ -291,7 +288,6 @@ public abstract class AbstractJackson2HttpMessageConverter extends AbstractGener
writeSuffix(generator, object);
generator.flush();
}
catch (InvalidDefinitionException ex) {
throw new HttpMessageConversionException("Type definition error: " + ex.getType(), ex);

22
spring-webmvc/src/main/java/org/springframework/web/servlet/view/json/AbstractJackson2View.java
View File

@ -1,5 +1,5 @@
/*
* Copyright 2002-2017 the original author or authors.
* Copyright 2002-2018 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.
@ -27,6 +27,7 @@ import com.fasterxml.jackson.annotation.JsonView;
import com.fasterxml.jackson.core.JsonEncoding;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.ObjectWriter;
import com.fasterxml.jackson.databind.SerializationFeature;
import com.fasterxml.jackson.databind.ser.FilterProvider;
@ -205,11 +206,11 @@ public abstract class AbstractJackson2View extends AbstractView {
*/
protected void writeContent(OutputStream stream, Object object) throws IOException {
JsonGenerator generator = this.objectMapper.getFactory().createGenerator(stream, this.encoding);
writePrefix(generator, object);
Object value = object;
Class<?> serializationView = null;
FilterProvider filters = null;
Object value = object;
if (value instanceof MappingJacksonValue) {
MappingJacksonValue container = (MappingJacksonValue) value;
@ -217,15 +218,14 @@ public abstract class AbstractJackson2View extends AbstractView {
serializationView = container.getSerializationView();
filters = container.getFilters();
}
if (serializationView != null) {
this.objectMapper.writerWithView(serializationView).writeValue(generator, value);
}
else if (filters != null) {
this.objectMapper.writer(filters).writeValue(generator, value);
}
else {
this.objectMapper.writeValue(generator, value);
ObjectWriter objectWriter = (serializationView != null ?
this.objectMapper.writerWithView(serializationView) : this.objectMapper.writer());
if (filters != null) {
objectWriter = objectWriter.with(filters);
}
objectWriter.writeValue(generator, value);
writeSuffix(generator, object);
generator.flush();
}