gson

问题 I get java.lang.StackOverflowError when trying to serialize Object that contains java.nio.file.Path Even when i wrote: public class PathConverter implements JsonDeserializer<Path>, JsonSerializer<Path> { @Override public Path deserialize(JsonElement jsonElement, Type type, JsonDeserializationContext jsonDeserializationContext) throws JsonParseException { return Paths.get(jsonElement.getAsString()); } @Override public JsonElement serialize(Path path, Type type, JsonSerializationContext

问题 It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center. Closed 7 years ago . i have do it for several times to get address by parsing the Google json which contain infomation of addres in Chinese.But when i show the address in my mobile ,it is all in English. i get the json from the url

问题 There is a legacy application which does json over TCP. I use a netty server, and I want to convert the json into a Pojo via Gson. In order to do this, I convert created a Decoder which take as input a ByteBuf and create My Object. The problem is the Bytebuf has a size of 1024, and the json is much much more bigger than that (>20mo) @Sharable public class RequestDecoder extends MessageToMessageDecoder<ByteBuf> { @Override protected void decode(ChannelHandlerContext ctx, ByteBuf msg, List

问题 Good day all. I am having a bit of trouble understanding this. I have a JSON that looks like this: { "data": [ { "id": "43", "type": "position", "attributes": { "address-id": "1", "employer-id": "11" } } ], "included": [ { "id": "1", "type": "address", "attributes": { "line-1": "21 london london", "line-2": "", "line-3": "", "locality": "", "region": "London", "post-code": "", "country": "UK", "latitude": "", "longitude": "" } }, { "id": "11", "type": "employer", "attributes": { "title": "Mr"

问题 I want to read a string which is formated like a JSON-File and print it on screen. Therefore I am useing the GSON-Library. Everytime I want to compile I get an Exception in thread "main" com.google.gson.JsonSyntaxException Error My Code looks like this public class Test { public static void main(String... args) throws Exception { String json = "{" + "'tag_name' : 'M mit Mbrunnen'," + "'tag_id' : 'de_bw_xx_mstall'," + "'tag_description': 'false'," + "'tag_latitude': '42.704895'," + "'tag

问题 I am trying to parse the following response using gson in my android app: { "richerich":{ "id":19250176, "name":"RichERich", "profileIconId":744, "summonerLevel":30, "revisionDate":1425977347000 } "alma":{ "id":19250174, "name":"Alma", "profileIconId":764, "summonerLevel":30, "revisionDate":14259773423424 } } The key "richeric" is a dynamic key and may change, and i can also have other response objects like "richeric" in my response string. I create classes for this: public class SummonerDto

问题 I am receiving a JSON data model that has a map wrapper Table . I'm trying to use generics to pass in the type that is beyond the wrapper but it's not translating well at runtime. Here's an example of my JSON file: { "Table": [ { "paymentmethod_id": 1, "paymentmethod_description": "Cash", "paymentmethod_code": "Cash", "paymentmethod_is_ach_onfile": false, "paymentmethod_is_element": false, "paymentmethod_is_reward": false, "paymentmethod_is_openedgeswipe": false, "paymentmethod_update_user_id

问题 I need to output enum values using Gson which due to client limitations need to be in lower case. For example CLOSE_FILE would be close_file . Is there a simple way of doing this? I have looked at making a class which implements JsonSerializer but it looks like I would have to manually serialize the whole class (which is quite complex) is this the case? 回答1: If you have control over the enum type, annotate its members with @SerializedName and give it the appropriate serialized value. For

问题 How to convert HashMap to JSON using Gson. class ClassData { public String jsonString; public Class classType; } HashMap<String, ClassData> map = new HashMap<>(); void convert(){ new Gson().toJson(map); // throws } I am getting the next exception Attempted to serialize java.lang.Class: java.lang.String. Forgot to register a type adapter? 回答1: You need to implement your own custom serializer for ClassData, and then register it to your Gson Builder. public class ClassDataSerializerExample {

问题 I want to convert a json string to a JSONArray but it throws a jsonexception It's very strange because the error cause it gives to me seems totally false having debugged. this is the important part of the code: ... HttpResponse response = httpclient.execute(httppost); HttpEntity entity = response.getEntity(); InputStream is = entity.getContent(); // convert response to string try { BufferedReader reader = new BufferedReader( new InputStreamReader(is, "utf-8")); StringBuilder sb = new