Example usage for com.google.gson JsonDeserializationContext deserialize

Introduction

In this page you can find the example usage for com.google.gson JsonDeserializationContext deserialize.

Prototype

public <T> T deserialize(JsonElement json, Type typeOfT) throws JsonParseException;

Source Link

Document

Invokes default deserialization on the specified object.

Usage

From source file:com.javacreed.examples.gson.part2.BookDeserializer.java

License:Apache License

@Override
public Book deserialize(final JsonElement json, final Type typeOfT, final JsonDeserializationContext context)
        throws JsonParseException {
    final JsonObject jsonObject = json.getAsJsonObject();

    // Delegate the deserialisation to the AuthorDeserializer class
    final Author[] authors = context.deserialize(jsonObject.get("authors"), Author[].class);

    final Book book = new Book();
    book.setTitle(jsonObject.get("title").getAsString());
    book.setIsbn(jsonObject.get("isbn").getAsString());
    book.setAuthors(authors);/*from   w w  w .  j a v a2s.c  o m*/
    return book;
}

From source file:com.joulespersecond.oba.JsonHelp.java

License:Apache License

static <T> T deserializeChild(JsonObject obj, String name, Type typeOfT, JsonDeserializationContext context) {
    JsonElement child = obj.get(name);//w  ww. ja  v  a 2  s . c  om
    if (child == null) {
        return null;
    }
    return context.deserialize(child, typeOfT);
}

From source file:com.kotcrab.vis.editor.serializer.json.ArrayJsonSerializer.java

License:Apache License

@Override
public Array<T> deserialize(JsonElement element, Type typeOfT, JsonDeserializationContext context)
        throws JsonParseException {
    JsonArray jsonArray = element.getAsJsonArray();
    Array<T> array = new Array<>(jsonArray.size());

    for (JsonElement jsonElement : jsonArray) {
        if (jsonElement.isJsonObject()) {
            JsonObject jsonObjectElement = jsonElement.getAsJsonObject();
            if (jsonObjectElement.has(PRIMITIVE_CONTENT)) {
                array.add(context.deserialize(jsonObjectElement.get(PRIMITIVE_CONTENT),
                        GsonUtils.readClassProperty(jsonObjectElement, context)));
            } else {
                array.add(context.deserialize(jsonObjectElement,
                        GsonUtils.readClassProperty(jsonObjectElement, context)));
            }/*from   www  .j  av  a  2s  .c o  m*/

            continue;
        }

        throw new UnsupportedOperationException("Invalid JsonElement type in ArrayJsonSerializer");
    }

    return array;
}

From source file:com.kotcrab.vis.editor.serializer.json.AssetComponentSerializer.java

License:Apache License

@Override
public AssetReference deserialize(JsonElement j, Type typeOfT, JsonDeserializationContext context)
        throws JsonParseException {
    JsonObject json = j.getAsJsonObject().get("asset").getAsJsonObject();
    AssetReference asset = new AssetReference();
    asset.asset = context.deserialize(json, GsonUtils.readClassProperty(json, context));
    return asset;
}

From source file:com.kotcrab.vis.editor.serializer.json.GsonUtils.java

License:Apache License

public static Class<?> readClassProperty(JsonElement json, JsonDeserializationContext context,
        String customMemberName) {
    return context.deserialize(json.getAsJsonObject().get(customMemberName), Class.class);
}

From source file:com.kotcrab.vis.editor.serializer.json.IntMapJsonSerializer.java

License:Apache License

@Override
public IntMap<T> deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
        throws JsonParseException {
    JsonArray jsonArray = json.getAsJsonArray();

    IntMap<T> intMap = new IntMap<>(jsonArray.size());

    for (JsonElement element : jsonArray) {
        JsonObject object = element.getAsJsonObject();
        Entry<String, JsonElement> entry = object.entrySet().iterator().next();
        int mapKey = Integer.parseInt(entry.getKey());
        Class<?> mapObjectClass = GsonUtils.readClassProperty(object, context);
        intMap.put(mapKey, context.deserialize(entry.getValue(), mapObjectClass));
    }//w  w  w. j av  a 2s.  co  m

    return intMap;
}

From source file:com.kotcrab.vis.editor.serializer.json.ObjectMapJsonSerializer.java

License:Apache License

@Override
public ObjectMap<K, V> deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
        throws JsonParseException {
    JsonArray jsonArray = json.getAsJsonArray();

    ObjectMap<K, V> objMap = new ObjectMap<>(jsonArray.size());

    for (JsonElement element : jsonArray) {
        JsonObject object = element.getAsJsonObject();

        K key = context.deserialize(object.get("key"),
                GsonUtils.readClassProperty(object, context, PROPERTY_CLASS_KEY));
        V value = context.deserialize(object.get("value"),
                GsonUtils.readClassProperty(object, context, PROPERTY_CLASS_VALUE));
        objMap.put(key, value);//from ww w  .j a v a 2 s  . c o  m
    }

    return objMap;
}

From source file:com.kurento.kmf.content.jsonrpc.GsonUtils.java

License:Open Source License

@Override
public JsonRpcResponse deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
        throws JsonParseException {

    if (!(json instanceof JsonObject)) {
        throw new JsonParseException("JonObject expected, found " + json.getClass().getSimpleName());
    }/*w ww.  j av  a  2s .co  m*/

    JsonObject jObject = (JsonObject) json;

    if (!jObject.has("jsonrpc")) {
        throw new JsonParseException("Invalid JsonRpc response lacking version 'jsonrpc' field");
    }

    if (!jObject.get("jsonrpc").getAsString().equals(JsonRpcConstants.JSON_RPC_VERSION)) {
        throw new JsonParseException("Invalid JsonRpc version");
    }

    if (!jObject.has("id")) {
        throw new JsonParseException("Invalid JsonRpc response lacking 'id' field");
    }

    if (jObject.has("result")) {
        return new JsonRpcResponse((JsonRpcResponseResult) context
                .deserialize(jObject.get("result").getAsJsonObject(), JsonRpcResponseResult.class),
                jObject.get("id").getAsInt());
    } else if (jObject.has("error")) {
        return new JsonRpcResponse((JsonRpcResponseError) context
                .deserialize(jObject.get("error").getAsJsonObject(), JsonRpcResponseError.class),
                jObject.get("id").getAsInt());
    } else {
        throw new JsonParseException("Invalid JsonRpc response lacking 'result' and 'error' fields");
    }

}

From source file:com.kurento.kmf.content.jsonrpc.GsonUtils.java

License:Open Source License

@Override
public JsonRpcRequest deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
        throws JsonParseException {

    if (!(json instanceof JsonObject)) {
        throw new JsonParseException(
                "Invalid JsonRpc request showning JsonElement type " + json.getClass().getSimpleName());
    }/* ww  w .  ja va2 s.c  om*/

    JsonObject jObject = (JsonObject) json;

    if (!jObject.has("jsonrpc")) {
        throw new JsonParseException("Invalid JsonRpc request lacking version 'jsonrpc' field");
    }

    if (!jObject.get("jsonrpc").getAsString().equals(JsonRpcConstants.JSON_RPC_VERSION)) {
        throw new JsonParseException("Invalid JsonRpc version");
    }

    if (!jObject.has("method")) {
        throw new JsonParseException("Invalid JsonRpc request lacking 'method' field");
    }

    if (!jObject.has("params")) {
        throw new JsonParseException("Invalid JsonRpc request lacking 'params' field");
    }

    if (!jObject.has("id")) {
        throw new JsonParseException("Invalid JsonRpc request lacking 'id' field");
    }

    return new JsonRpcRequest(
            jObject.get("method").getAsString(), (JsonRpcRequestParams) context
                    .deserialize(jObject.get("params").getAsJsonObject(), JsonRpcRequestParams.class),
            jObject.get("id").getAsInt());

}

From source file:com.kurento.kmf.jsonrpcconnector.JsonUtils.java

License:Open Source License

@Override
public Response<?> deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
        throws JsonParseException {

    if (!(json instanceof JsonObject)) {
        throw new JsonParseException("JonObject expected, found " + json.getClass().getSimpleName());
    }//from www.  java2s . c  om

    JsonObject jObject = (JsonObject) json;

    if (!jObject.has(JSON_RPC_PROPERTY)) {
        throw new JsonParseException(
                "Invalid JsonRpc response lacking version '" + JSON_RPC_PROPERTY + "' field");
    }

    if (!jObject.get(JSON_RPC_PROPERTY).getAsString().equals(JsonRpcConstants.JSON_RPC_VERSION)) {
        throw new JsonParseException("Invalid JsonRpc version");
    }

    Integer id;
    try {
        id = jObject.get(ID_PROPERTY).getAsInt();
    } catch (Exception e) {
        throw new JsonParseException("Invalid JsonRpc response. It lacks a valid '" + ID_PROPERTY + "' field");
    }

    if (jObject.has(RESULT_PROPERTY)) {

        ParameterizedType parameterizedType = (ParameterizedType) typeOfT;

        return new Response<Object>(id, context.deserialize(jObject.get(RESULT_PROPERTY),
                parameterizedType.getActualTypeArguments()[0]));

    } else if (jObject.has(ERROR_PROPERTY)) {

        return new Response<Object>(id,
                (ResponseError) context.deserialize(jObject.get(ERROR_PROPERTY), ResponseError.class));

    } else {
        throw new JsonParseException("Invalid JsonRpc response lacking '" + RESULT_PROPERTY + "' and '"
                + ERROR_PROPERTY + "' fields");
    }

}