com.github.nmorel.gwtjackson.client.deser.map

Class BaseMapJsonDeserializer<M extends Map<K,V>,K,V>

java.lang.Object

com.github.nmorel.gwtjackson.client.JsonDeserializer<M>

com.github.nmorel.gwtjackson.client.deser.map.BaseMapJsonDeserializer<M,K,V>

Type Parameters:

M - Type of the Map

K - Type of the keys inside the Map

V - Type of the values inside the Map

Direct Known Subclasses:

AbstractMapJsonDeserializer, EnumMapJsonDeserializer, HashMapJsonDeserializer, IdentityHashMapJsonDeserializer, LinkedHashMapJsonDeserializer, MapJsonDeserializer, SortedMapJsonDeserializer, TreeMapJsonDeserializer

public abstract class BaseMapJsonDeserializer<M extends Map<K,V>,K,V>
extends JsonDeserializer<M>

Base JsonDeserializer implementation for Map.

Author:

Nicolas Morel

Field Summary

Fields

Modifier and Type	Field and Description
protected KeyDeserializer<K>	keyDeserializer KeyDeserializer used to deserialize the keys.
protected JsonDeserializer<V>	valueDeserializer JsonDeserializer used to deserialize the values.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	BaseMapJsonDeserializer(KeyDeserializer<K> keyDeserializer, JsonDeserializer<V> valueDeserializer)

Method Summary

Methods

Modifier and Type	Method and Description
M	doDeserialize(JsonReader reader, JsonDeserializationContext ctx) Deserializes a non-null JSON input into an object.
protected abstract M	newMap() Instantiates a new map for deserialization process.
void	setBackReference(String referenceName, Object reference, M value, JsonDeserializationContext ctx) Set the back reference.

Methods inherited from class com.github.nmorel.gwtjackson.client.JsonDeserializer

deserialize

Methods inherited from class java.lang.Object

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

Field Detail

keyDeserializer

protected final KeyDeserializer<K> keyDeserializer

KeyDeserializer used to deserialize the keys.

valueDeserializer

protected final JsonDeserializer<V> valueDeserializer

JsonDeserializer used to deserialize the values.

Constructor Detail

BaseMapJsonDeserializer

protected BaseMapJsonDeserializer(KeyDeserializer<K> keyDeserializer,
                       JsonDeserializer<V> valueDeserializer)

Parameters:

keyDeserializer - KeyDeserializer used to deserialize the keys.

valueDeserializer - JsonDeserializer used to deserialize the values.

Method Detail

doDeserialize

public M doDeserialize(JsonReader reader,
              JsonDeserializationContext ctx)
                                 throws IOException

Description copied from class: JsonDeserializer

Deserializes a non-null JSON input into an object.

Specified by:

doDeserialize in class JsonDeserializer<M extends Map<K,V>>

Parameters:

reader - JsonReader used to read the JSON input

ctx - Context for the full deserialization process

Returns:

the deserialized object

Throws:

IOException - if an error occurs reading the input

newMap

protected abstract M newMap()

Instantiates a new map for deserialization process.

Returns:

the new map

setBackReference

public void setBackReference(String referenceName,
                    Object reference,
                    M value,
                    JsonDeserializationContext ctx)

Description copied from class: JsonDeserializer

Set the back reference.

Overrides:

setBackReference in class JsonDeserializer<M extends Map<K,V>>

Parameters:

referenceName - name of the reference

reference - reference to set

value - value to set the reference to.

ctx - Context for the full deserialization process

See Also:

JsonBackReference