com.google.gson

Class DefaultDateTypeAdapter

java.lang.Object

com.google.gson.DefaultDateTypeAdapter

All Implemented Interfaces:

JsonDeserializer<java.util.Date>, JsonSerializer<java.util.Date>

final class DefaultDateTypeAdapter
extends java.lang.Object
implements JsonSerializer<java.util.Date>, JsonDeserializer<java.util.Date>

This type adapter supports three subclasses of date: Date, Timestamp, and java.sql.Date.

Field Summary

Fields

Modifier and Type	Field and Description
private java.text.DateFormat	enUsFormat
private java.text.DateFormat	iso8601Format
private java.text.DateFormat	localFormat

Constructor Summary

Constructors

Constructor and Description
DefaultDateTypeAdapter()
DefaultDateTypeAdapter(java.text.DateFormat enUsFormat, java.text.DateFormat localFormat)
DefaultDateTypeAdapter(int style)
DefaultDateTypeAdapter(int dateStyle, int timeStyle)
DefaultDateTypeAdapter(java.lang.String datePattern)

Method Summary

Modifier and Type	Method and Description
java.util.Date	deserialize(JsonElement json, java.lang.reflect.Type typeOfT, JsonDeserializationContext context) Gson invokes this call-back method during deserialization when it encounters a field of the specified type.
private java.util.Date	deserializeToDate(JsonElement json)
JsonElement	serialize(java.util.Date src, java.lang.reflect.Type typeOfSrc, JsonSerializationContext context) Gson invokes this call-back method during serialization when it encounters a field of the specified type.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

enUsFormat

private final java.text.DateFormat enUsFormat

localFormat

private final java.text.DateFormat localFormat

iso8601Format

private final java.text.DateFormat iso8601Format

Constructor Detail

DefaultDateTypeAdapter

DefaultDateTypeAdapter()

DefaultDateTypeAdapter

DefaultDateTypeAdapter(java.lang.String datePattern)

DefaultDateTypeAdapter

DefaultDateTypeAdapter(int style)

DefaultDateTypeAdapter

public DefaultDateTypeAdapter(int dateStyle,
                              int timeStyle)

DefaultDateTypeAdapter

DefaultDateTypeAdapter(java.text.DateFormat enUsFormat,
                       java.text.DateFormat localFormat)

Method Detail

serialize

public JsonElement serialize(java.util.Date src,
                             java.lang.reflect.Type typeOfSrc,
                             JsonSerializationContext context)

Description copied from interface: JsonSerializer

Gson invokes this call-back method during serialization when it encounters a field of the specified type.

In the implementation of this call-back method, you should consider invoking JsonSerializationContext.serialize(Object, Type) method to create JsonElements for any non-trivial field of the src object. However, you should never invoke it on the src object itself since that will cause an infinite loop (Gson will call your call-back method again).

Specified by:

serialize in interface JsonSerializer<java.util.Date>

Parameters:

src - the object that needs to be converted to Json.

typeOfSrc - the actual type (fully genericized version) of the source object.

Returns:

a JsonElement corresponding to the specified object.

deserialize

public java.util.Date deserialize(JsonElement json,
                                  java.lang.reflect.Type typeOfT,
                                  JsonDeserializationContext context)
                           throws JsonParseException

Description copied from interface: JsonDeserializer

Gson invokes this call-back method during deserialization when it encounters a field of the specified type.

In the implementation of this call-back method, you should consider invoking JsonDeserializationContext.deserialize(JsonElement, Type) method to create objects for any non-trivial field of the returned object. However, you should never invoke it on the the same type passing json since that will cause an infinite loop (Gson will call your call-back method again).

Specified by:

deserialize in interface JsonDeserializer<java.util.Date>

Parameters:

json - The Json data being deserialized

typeOfT - The type of the Object to deserialize to

Returns:

a deserialized object of the specified type typeOfT which is a subclass of T

Throws:

JsonParseException - if json is not in the expected format of typeofT

deserializeToDate

private java.util.Date deserializeToDate(JsonElement json)

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object