Example usage for com.google.gson JsonObject get

List of usage examples for com.google.gson JsonObject get

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Introduction

In this page you can find the example usage for com.google.gson JsonObject get.

Prototype

public JsonElement get(String memberName)

Source Link

Document

Returns the member with the specified name.

Usage

From source file:co.cask.cdap.passport.http.client.PassportClient.java

License:Apache License

/**
 * Get List of VPC for the apiKey.//from  w ww  .j  ava2  s. c  om
 * @return List of VPC Names
 */
public List<String> getVPCList(String apiKey) {
    Preconditions.checkNotNull(apiKey, "ApiKey cannot be null");
    List<String> vpcList = Lists.newArrayList();

    try {
        String data = responseCache.getIfPresent(apiKey);

        if (data == null) {
            data = httpGet(API_BASE + "vpc/list", apiKey);
            if (data != null) {
                responseCache.put(apiKey, data);
            }
        }

        if (data != null) {
            JsonParser parser = new JsonParser();
            JsonElement element = parser.parse(data);
            JsonArray jsonArray = element.getAsJsonArray();

            for (JsonElement elements : jsonArray) {
                JsonObject vpc = elements.getAsJsonObject();
                if (vpc.get("vpc_name") != null) {
                    vpcList.add(vpc.get("vpc_name").getAsString());
                }
            }
        }
    } catch (Exception e) {
        throw Throwables.propagate(e);
    }
    return vpcList;
}

From source file:co.cask.cdap.proto.codec.AuditMessageTypeAdapter.java

License:Apache License

@Override
public AuditMessage deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
        throws JsonParseException {
    JsonObject jsonObj = json.getAsJsonObject();
    long timeMillis = jsonObj.get("time").getAsLong();
    EntityId entityId = context.deserialize(jsonObj.getAsJsonObject("entityId"), EntityId.class);
    String user = jsonObj.get("user").getAsString();
    AuditType auditType = context.deserialize(jsonObj.getAsJsonPrimitive("type"), AuditType.class);

    AuditPayload payload;/*from  w w  w .jav a 2  s .  c o m*/
    JsonObject jsonPayload = jsonObj.getAsJsonObject("payload");
    switch (auditType) {
    case METADATA_CHANGE:
        payload = context.deserialize(jsonPayload, MetadataPayload.class);
        break;
    case ACCESS:
        payload = context.deserialize(jsonPayload, AccessPayload.class);
        break;
    default:
        payload = AuditPayload.EMPTY_PAYLOAD;
    }
    return new AuditMessage(timeMillis, entityId, user, auditType, payload);
}

From source file:co.cask.cdap.proto.codec.BasicThrowableCodec.java

License:Apache License

@Override
public BasicThrowable deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
        throws JsonParseException {
    JsonObject jsonObj = json.getAsJsonObject();
    String className = jsonObj.get("className").getAsString();
    String message = jsonObj.get("message").getAsString();
    JsonArray stackTraces = jsonObj.get("stackTraces").getAsJsonArray();
    StackTraceElement[] stackTraceElements = context.deserialize(stackTraces, StackTraceElement[].class);
    JsonElement cause = jsonObj.get("cause");
    BasicThrowable basicThrowable = null;
    if (cause != null) {
        basicThrowable = context.deserialize(cause, BasicThrowable.class);
    }//from ww  w.  ja va 2 s . co m
    return new BasicThrowable(className, message, stackTraceElements, basicThrowable);
}

From source file:co.cask.cdap.proto.codec.CustomActionSpecificationCodec.java

License:Apache License

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

    String className = jsonObj.get("className").getAsString();
    String name = jsonObj.get("name").getAsString();
    String description = jsonObj.get("description").getAsString();
    Set<String> datasets = deserializeSet(jsonObj.get("datasets"), context, String.class);
    Map<String, String> properties = deserializeMap(jsonObj.get("properties"), context, String.class);
    return new DefaultCustomActionSpecification(className, name, description, properties, datasets);
}

From source file:co.cask.cdap.proto.codec.EntityIdTypeAdapter.java

License:Apache License

@Override
public EntityId deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
        throws JsonParseException {
    JsonObject map = json.getAsJsonObject();
    JsonElement entityTypeJson = map.get("entity");
    if (entityTypeJson == null) {
        throw new JsonParseException("Expected entity in EntityId JSON");
    }//  w  ww .  j av  a 2s.  co m

    String entityTypeString = entityTypeJson.getAsString();
    EntityType type = EntityType.valueOf(entityTypeString);
    if (type == null) {
        throw new JsonParseException("Invalid entity: " + entityTypeString);
    }

    return context.deserialize(json, type.getIdClass());
}

From source file:co.cask.cdap.proto.codec.FlowletSpecificationCodec.java

License:Apache License

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

    String className = jsonObj.get("className").getAsString();
    String name = jsonObj.get("name").getAsString();
    String description = jsonObj.get("description").getAsString();
    FailurePolicy policy = FailurePolicy.valueOf(jsonObj.get("failurePolicy").getAsString());
    Set<String> dataSets = deserializeSet(jsonObj.get("datasets"), context, String.class);
    Map<String, String> properties = deserializeMap(jsonObj.get("properties"), context, String.class);
    Resources resources = context.deserialize(jsonObj.get("resources"), Resources.class);

    return new DefaultFlowletSpecification(className, name, description, policy, dataSets, properties,
            resources);/*from w  w  w .ja va 2  s .  co m*/
}

From source file:co.cask.cdap.proto.codec.HttpServiceSpecificationCodec.java

License:Apache License

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

    String className = jsonObj.get("className").getAsString();
    String name = jsonObj.get("name").getAsString();
    String description = jsonObj.get("description").getAsString();
    Map<String, String> properties = deserializeMap(jsonObj.get("properties"), context, String.class);
    Set<String> datasets = deserializeSet(jsonObj.get("datasets"), context, String.class);
    List<ServiceHttpEndpoint> endpointsExposed;
    if (isOldSpec(jsonObj)) {
        endpointsExposed = ImmutableList.of();
    } else {/*from  w ww  . j a  v a 2s. com*/
        endpointsExposed = deserializeList(jsonObj.get("endpoints"), context, ServiceHttpEndpoint.class);
    }
    return new HttpServiceHandlerSpecification(className, name, description, properties, datasets,
            endpointsExposed);
}

From source file:co.cask.cdap.proto.codec.IdTypeAdapter.java

License:Apache License

@Override
public Id deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
        throws JsonParseException {
    JsonObject map = json.getAsJsonObject();
    JsonElement elementTypeJson = map.get("elementType");
    if (elementTypeJson == null) {
        throw new JsonParseException("Expected elementType in Id JSON");
    }/*from  w ww . j av  a  2 s  . co m*/

    String elementTypeString = elementTypeJson.getAsString();
    EntityType type = EntityType.valueOf(elementTypeString);
    if (type == null) {
        throw new JsonParseException("Invalid elementType: " + elementTypeString);
    }

    return context.deserialize(json, type.getIdClass());
}

From source file:co.cask.cdap.proto.codec.MapReduceSpecificationCodec.java

License:Apache License

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

    String className = jsonObj.get("className").getAsString();
    String name = jsonObj.get("name").getAsString();
    String description = jsonObj.get("description").getAsString();
    Resources driverResources = deserializeResources(jsonObj, "driver", context);
    Resources mapperResources = deserializeResources(jsonObj, "mapper", context);
    Resources reducerResources = deserializeResources(jsonObj, "reducer", context);
    JsonElement inputDataSetElem = jsonObj.get("inputDataSet");
    String inputDataSet = inputDataSetElem == null ? null : inputDataSetElem.getAsString();
    JsonElement outputDataSetElem = jsonObj.get("outputDataSet");
    String outputDataSet = outputDataSetElem == null ? null : outputDataSetElem.getAsString();

    Set<String> dataSets = deserializeSet(jsonObj.get("datasets"), context, String.class);
    Map<String, String> properties = deserializeMap(jsonObj.get("properties"), context, String.class);
    return new MapReduceSpecification(className, name, description, inputDataSet, outputDataSet, dataSets,
            properties, driverResources, mapperResources, reducerResources);
}

From source file:co.cask.cdap.proto.codec.MapReduceSpecificationCodec.java

License:Apache License

/**
 * Deserialize the resources field from the serialized object.
 *
 * @param jsonObj The object representing the MapReduceSpecification
 * @param prefix Field name prefix. Either "mapper" or "reducer"
 * @param context The context to deserialize object.
 * @return A {@link Resources} or {@code null}.
 *///from   w  ww . j a v a 2s .  c o m
private Resources deserializeResources(JsonObject jsonObj, String prefix, JsonDeserializationContext context) {
    // See if it of new format
    String name = prefix + "Resources";
    JsonElement element = jsonObj.get(name);
    if (element != null) {
        return context.deserialize(element, Resources.class);
    }

    // Try the old format, which is an int field representing the memory in MB.
    name = prefix + "MemoryMB";
    element = jsonObj.get(name);
    if (element != null) {
        return new Resources(element.getAsInt());
    }
    return null;
}