Spring/spring-framework
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

SPR-7002 - RestTemplate fails to convert properly for Generic Type Container with MappingJacksonHttpMessageConverter

Browse Source
This commit is contained in:
Arjen Poutsma
2010-03-23 11:15:13 +00:00
parent f7ac7a395c
commit 212daa1995
2 changed files with 57 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

29
org.springframework.web/src/main/java/org/springframework/http/converter/json/MappingJacksonHttpMessageConverter.java
View File

@@ -86,13 +86,34 @@ public class MappingJacksonHttpMessageConverter extends AbstractHttpMessageConve
this.prefixJson = prefixJson;
}
@Override
public boolean canRead(Class<?> clazz, MediaType mediaType) {
JavaType javaType = TypeFactory.fromClass(clazz);
JavaType javaType = getJavaType(clazz);
return this.objectMapper.canDeserialize(javaType) && canRead(mediaType);
}
/**
* Returns the Jackson {@link JavaType} for the specific class.
*
* <p>Default implementation returns {@link TypeFactory#type(java.lang.reflect.Type)}, but this can be overridden
* in subclasses, to allow for custom generic collection handling. For instance:
* <pre class="code">
* protected JavaType getJavaType(Class&lt;?&gt; clazz) {
* if (List.class.isAssignableFrom(clazz)) {
* return TypeFactory.collectionType(ArrayList.class, MyBean.class);
* } else {
* return super.getJavaType(clazz);
* }
* }
* </pre>
*
* @param clazz the class to return the java type for
* @return the java type
*/
protected JavaType getJavaType(Class<?> clazz) {
return TypeFactory.type(clazz);
}
@Override
public boolean canWrite(Class<?> clazz, MediaType mediaType) {
return this.objectMapper.canSerialize(clazz) && canWrite(mediaType);
@@ -107,8 +128,8 @@ public class MappingJacksonHttpMessageConverter extends AbstractHttpMessageConve
@Override
protected Object readInternal(Class<?> clazz, HttpInputMessage inputMessage)
throws IOException, HttpMessageNotReadableException {
return this.objectMapper.readValue(inputMessage.getBody(), clazz);
JavaType javaType = getJavaType(clazz);
return this.objectMapper.readValue(inputMessage.getBody(), javaType);
}
@Override