org.springframework.web

Class HttpMessageConverterUtils

java.lang.Object

org.springframework.web.HttpMessageConverterUtils

public final class HttpMessageConverterUtils
extends Object

Method Summary

Modifier and Type	Method and Description
static org.springframework.web.accept.ContentNegotiationManager	defaultContentNegotiationManager()
static org.springframework.web.accept.ContentNegotiationManager	defaultContentNegotiationManager(org.springframework.http.MediaType defaultContentType)
static List<org.springframework.http.converter.HttpMessageConverter<?>>	defaultHttpMessageConverters(org.springframework.core.env.PropertyResolver propertyResolver, Object objectMapper) Returns default HttpMessageConverter instances, i.e.: ByteArrayHttpMessageConverter StringHttpMessageConverter ResourceHttpMessageConverter Jaxb2RootElementHttpMessageConverter (when JAXB is present) MappingJackson2HttpMessageConverter (when Jackson 2.x is present) {org.springframework.http.converter.json.MappingJacksonHttpMessageConverter} (when Jackson 1.x is present and 2.x not)
static boolean	isJackson2Present(ClassLoader classLoader) Determine whether Jackson 2.x is present on the classpath and can be loaded.
static boolean	isJacksonPresent(ClassLoader classLoader) Deprecated.
static boolean	isJaxb2Present(ClassLoader classLoader) Determine whether a JAXB binder is present on the classpath and can be loaded.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

isJaxb2Present

public static boolean isJaxb2Present(ClassLoader classLoader)

Determine whether a JAXB binder is present on the classpath and can be loaded. Will return false if either the Binder or one of its dependencies is not present or cannot be loaded.

Parameters:

classLoader - classLoader

Returns:

isJaxb2Present

isJackson2Present

public static boolean isJackson2Present(ClassLoader classLoader)

Determine whether Jackson 2.x is present on the classpath and can be loaded. Will return false if either the com.fasterxml.jackson.databind.ObjectMapper, com.fasterxml.jackson.core.JsonGenerator or one of its dependencies is not present or cannot be loaded.

Parameters:

classLoader - classLoader

Returns:

isJackson2Present

isJacksonPresent

@Deprecated
public static boolean isJacksonPresent(ClassLoader classLoader)

Deprecated.

Determine whether Jackson 1.x is present on the classpath and can be loaded. Will return false if either the org.codehaus.jackson.map.ObjectMapper, org.codehaus.jackson.JsonGenerator or one of its dependencies is not present or cannot be loaded.

Parameters:

classLoader - classLoader

Returns:

isJacksonPresent

defaultHttpMessageConverters

public static List<org.springframework.http.converter.HttpMessageConverter<?>> defaultHttpMessageConverters(org.springframework.core.env.PropertyResolver propertyResolver,
                                                                                                            Object objectMapper)

Returns default HttpMessageConverter instances, i.e.:

• ByteArrayHttpMessageConverter
• StringHttpMessageConverter
• ResourceHttpMessageConverter
• Jaxb2RootElementHttpMessageConverter (when JAXB is present)
• MappingJackson2HttpMessageConverter (when Jackson 2.x is present)
• {org.springframework.http.converter.json.MappingJacksonHttpMessageConverter} (when Jackson 1.x is present and 2.x not)

Note: It does not return all of the default converters defined in Spring, but just thus usable for exception responses.

Parameters:

propertyResolver - propertyResolver

objectMapper - objectMapper

Returns:

httpMessageConverters

defaultContentNegotiationManager

public static org.springframework.web.accept.ContentNegotiationManager defaultContentNegotiationManager()

defaultContentNegotiationManager

public static org.springframework.web.accept.ContentNegotiationManager defaultContentNegotiationManager(org.springframework.http.MediaType defaultContentType)