用于java.util.Date的Gson Deserializer [英] Gson Deserializer for java.util.Date
本文介绍了用于java.util.Date的Gson Deserializer的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
public static void main(String [] args) {
GsonBuilder gb = new GsonBuilder();
gb.registerTypeAdapter(DummyObject.class,new JsonSerializer< Date>(){
public JsonElement serialize(Date src,Type typeOfSrc,JsonSerializationContext context){
System.out.println(serialize ...);
返回新的JsonPrimitive(DateUtil.toString(src));
}
});
gb.registerTypeAdapter(DummyObject.class,new JsonDeserializer< Date>(){
DateFormat format = DateFormat.getInstance();
public Date反序列化(JsonElement json,Type typeOfT ,JsonDeserializationContext context)throws JsonParseException {
if(!(json instanceof JsonPrimitive)){
throw new JsonParseException(date is a string value);
}
try {
return format.parse(json.getAsString());
} catch(ParseException e){
throw new JsonParseException(e);
}
}
});
String jsonExp ={\createdDate \:\2011-12-27T15:21:16 \};
Gson g = gb.create();
DummyObject tf = g.fromJson(jsonExp,DummyObject.class);
$ b
解决方案
Gson gson = new GsonBuilder()
.setDateFormat(yyyy-MM-dd'T'HH:mm:ssz)
.create();
Does anyone got Deserializer working? i am getting complete JSON expression in method "deserialize" instead of element??
public static void main(String[] args) {
GsonBuilder gb = new GsonBuilder();
gb.registerTypeAdapter(DummyObject.class, new JsonSerializer<Date>() {
public JsonElement serialize(Date src, Type typeOfSrc, JsonSerializationContext context) {
System.out.println("serialize...");
return new JsonPrimitive(DateUtil.toString(src));
}
});
gb.registerTypeAdapter(DummyObject.class, new JsonDeserializer<Date>() {
DateFormat format = DateFormat.getInstance();
public Date deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) throws JsonParseException {
if (!(json instanceof JsonPrimitive)) {
throw new JsonParseException("The date should be a string value");
}
try {
return format.parse(json.getAsString());
} catch (ParseException e) {
throw new JsonParseException(e);
}
}
});
String jsonExp = "{\"createdDate\":\"2011-12-27T15:21:16\"}";
Gson g = gb.create();
DummyObject tf = g.fromJson(jsonExp, DummyObject.class);
}
解决方案
Gson gson = new GsonBuilder()
.setDateFormat("yyyy-MM-dd'T'HH:mm:ssz")
.create();
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