org.restlet.ext.jackson
Class JacksonConverter

java.lang.Object
  org.restlet.engine.Helper
      org.restlet.engine.converter.ConverterHelper
          org.restlet.ext.jackson.JacksonConverter

public class JacksonConverter
extends ConverterHelper

Converter between the JSON and Representation classes based on Jackson.

Author:

Jerome Louvel

Constructor Summary

JacksonConverter()

Method Summary

protected <T> JacksonRepresentation<T>	create(MediaType mediaType, T source) Creates the marshaling JacksonRepresentation.
protected <T> JacksonRepresentation<T>	create(Representation source, Class<T> objectClass) Creates the unmarshaling JacksonRepresentation.
protected org.codehaus.jackson.map.ObjectMapper	createObjectMapper() Creates a Jackson object mapper based on a media type.
List<Class<?>>	getObjectClasses(Variant source)
org.codehaus.jackson.map.ObjectMapper	getObjectMapper() Returns the modifiable Jackson object mapper.
List<VariantInfo>	getVariants(Class<?> source)
protected boolean	isCompatible(Variant variant) Indicates if the given variant is compatible with the media types supported by this converter.
float	score(Object source, Variant target, Resource resource)
<T> float	score(Representation source, Class<T> target, Resource resource)
void	setObjectMapper(org.codehaus.jackson.map.ObjectMapper objectMapper) Sets the Jackson object mapper.
<T> T	toObject(Representation source, Class<T> target, Resource resource)
Representation	toRepresentation(Object source, Variant target, Resource resource)
<T> void	updatePreferences(List<Preference<MediaType>> preferences, Class<T> entity)

Methods inherited from class org.restlet.engine.converter.ConverterHelper

addObjectClass, addVariant, addVariants, getVariants, updatePreferences

Methods inherited from class java.lang.Object

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

Constructor Detail

JacksonConverter

public JacksonConverter()

Method Detail

create

protected <T> JacksonRepresentation<T> create(MediaType mediaType,
                                              T source)

Creates the marshaling JacksonRepresentation.

Type Parameters:

T -

Parameters:

mediaType - The target media type.

source - The source object to marshal.

Returns:

The marshaling JacksonRepresentation.

create

protected <T> JacksonRepresentation<T> create(Representation source,
                                              Class<T> objectClass)

Creates the unmarshaling JacksonRepresentation.

Type Parameters:

T -

Parameters:

source - The source representation to unmarshal.

objectClass - The object class to instantiate.

Returns:

The unmarshaling JacksonRepresentation.

createObjectMapper

protected org.codehaus.jackson.map.ObjectMapper createObjectMapper()

Creates a Jackson object mapper based on a media type. By default, it calls ObjectMapper.ObjectMapper(JsonFactory).

Returns:

The Jackson object mapper.

getObjectClasses

public List<Class<?>> getObjectClasses(Variant source)

Specified by:

getObjectClasses in class ConverterHelper

getObjectMapper

public org.codehaus.jackson.map.ObjectMapper getObjectMapper()

Returns the modifiable Jackson object mapper. Useful to customize mappings.

Returns:

The modifiable Jackson object mapper.

getVariants

public List<VariantInfo> getVariants(Class<?> source)

Specified by:

getVariants in class ConverterHelper

isCompatible

protected boolean isCompatible(Variant variant)

Indicates if the given variant is compatible with the media types supported by this converter.

Parameters:

variant - The variant.

Returns:

True if the given variant is compatible with the media types supported by this converter.

score

public float score(Object source,
                   Variant target,
                   Resource resource)

Specified by:

score in class ConverterHelper

score

public <T> float score(Representation source,
                       Class<T> target,
                       Resource resource)

Specified by:

score in class ConverterHelper

setObjectMapper

public void setObjectMapper(org.codehaus.jackson.map.ObjectMapper objectMapper)

Sets the Jackson object mapper.

Parameters:

objectMapper - The Jackson object mapper.

toObject

public <T> T toObject(Representation source,
                      Class<T> target,
                      Resource resource)
           throws IOException

Specified by:

toObject in class ConverterHelper

Throws:

IOException

toRepresentation

public Representation toRepresentation(Object source,
                                       Variant target,
                                       Resource resource)

Specified by:

toRepresentation in class ConverterHelper

updatePreferences

public <T> void updatePreferences(List<Preference<MediaType>> preferences,
                                  Class<T> entity)

Overrides:

updatePreferences in class ConverterHelper