Example usage for com.google.gson JsonObject get

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.internal.app.runtime.codec.ProgramOptionsCodec.java

License:Apache License

@Override
public ProgramOptions deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
        throws JsonParseException {
    JsonObject jsonObj = json.getAsJsonObject();
    String name = jsonObj.get("name").getAsString();
    Arguments arguments = context.deserialize(jsonObj.get("arguments"), Arguments.class);
    Arguments userArguments = context.deserialize(jsonObj.get("userArguments"), Arguments.class);
    boolean debug = jsonObj.get("debug").getAsBoolean();

    return new SimpleProgramOptions(name, arguments, userArguments, debug);
}

From source file:co.cask.cdap.internal.app.ScheduleCodec.java

License:Apache License

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

    String name = jsonObj.get("name").getAsString();
    String description = jsonObj.get("description").getAsString();
    String cronExpression = jsonObj.get("cronExpression").getAsString();
    String action = jsonObj.get("action").getAsString();

    return new Schedule(name, description, cronExpression, Schedule.Action.valueOf(action));
}

From source file:co.cask.cdap.internal.app.services.http.AppFabricTestBase.java

License:Apache License

/**
 * Waits for the given program to transit to the given state.
 *//*  w  ww. j ava  2s  .  c o  m*/
protected void waitState(final Id.Program programId, String state) throws Exception {
    Tasks.waitFor(state, new Callable<String>() {
        @Override
        public String call() throws Exception {
            String path = String.format("apps/%s/%s/%s/status", programId.getApplicationId(),
                    programId.getType().getCategoryName(), programId.getId());
            HttpResponse response = doGet(getVersionedAPIPath(path, programId.getNamespaceId()));
            JsonObject status = GSON.fromJson(EntityUtils.toString(response.getEntity()), JsonObject.class);
            if (status == null || !status.has("status")) {
                return null;
            }
            return status.get("status").getAsString();
        }
    }, 60, TimeUnit.SECONDS);
}

From source file:co.cask.cdap.internal.app.ServiceSpecificationCodec.java

License:Apache License

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

    if (isOldSpec(jsonObj)) {
        return decodeOldSpec(jsonObj);
    }/*from  ww  w. ja v a  2 s  .  co m*/

    String className = jsonObj.get("className").getAsString();
    String name = jsonObj.get("name").getAsString();
    String description = jsonObj.get("description").getAsString();
    Map<String, HttpServiceHandlerSpecification> handlers = deserializeMap(jsonObj.get("handlers"), context,
            HttpServiceHandlerSpecification.class);
    Resources resources = context.deserialize(jsonObj.get("resources"), Resources.class);
    int instances = jsonObj.get("instances").getAsInt();

    return new ServiceSpecification(className, name, description, handlers, resources, instances);
}

From source file:co.cask.cdap.internal.app.ServiceSpecificationCodec.java

License:Apache License

private ServiceSpecification decodeOldSpec(JsonObject json) {
    String className = json.get("classname").getAsString();
    TwillSpecification twillSpec = twillSpecificationAdapter.fromJson(json.get("spec").getAsString());
    Map<String, HttpServiceHandlerSpecification> handlers = Maps.newHashMap();

    RuntimeSpecification handlerSpec = twillSpec.getRunnables().get(twillSpec.getName());
    Map<String, String> configs = handlerSpec.getRunnableSpecification().getConfigs();

    // Get the class names of all handlers. It is stored in the handler runnable spec configs
    List<String> handlerClasses = GSON.fromJson(configs.get("service.runnable.handlers"),
            new TypeToken<List<String>>() {
            }.getType());/*from   www .  j  av a2 s . com*/
    List<JsonObject> handlerSpecs = GSON.fromJson(configs.get("service.runnable.handler.spec"),
            new TypeToken<List<JsonObject>>() {
            }.getType());

    for (int i = 0; i < handlerClasses.size(); i++) {
        String handlerClass = handlerClasses.get(i);
        JsonObject spec = handlerSpecs.get(i);
        Map<String, String> properties = GSON.fromJson(spec.get("properties"),
                new TypeToken<Map<String, String>>() {
                }.getType());

        // Reconstruct the HttpServiceSpecification. However there is no way to determine the datasets or endpoints
        // as it is not recorded in old spec. It's ok since the spec is only used to load data from MDS during redeploy.
        handlers.put(spec.get("name").getAsString(),
                new HttpServiceHandlerSpecification(handlerClass, spec.get("name").getAsString(),
                        spec.get("description").getAsString(), properties, ImmutableSet.<String>of(),
                        ImmutableList.<ServiceHttpEndpoint>of()));
    }

    ResourceSpecification resourceSpec = handlerSpec.getResourceSpecification();
    return new ServiceSpecification(className, twillSpec.getName(), twillSpec.getName(), handlers,
            new Resources(resourceSpec.getMemorySize(), resourceSpec.getVirtualCores()),
            resourceSpec.getInstances());
}

From source file:co.cask.cdap.internal.app.SparkSpecificationCodec.java

License:Apache License

@Override
public SparkSpecification 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();
    String mainClassName = jsonObj.get("mainClassName").getAsString();
    Map<String, String> properties = deserializeMap(jsonObj.get("properties"), context, String.class);

    return new DefaultSparkSpecification(className, name, description, mainClassName, properties);
}

From source file:co.cask.cdap.internal.app.WorkflowActionSpecificationCodec.java

License:Apache License

@Override
public WorkflowActionSpecification 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);

    return new DefaultWorkflowActionSpecification(className, name, description, properties);
}

From source file:co.cask.cdap.internal.app.WorkflowSpecificationCodec.java

License:Apache License

@Override
public WorkflowSpecification 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();
    List<WorkflowActionSpecification> actions = deserializeList(jsonObj.get("actions"), context,
            WorkflowActionSpecification.class);
    Map<String, MapReduceSpecification> mapReduces = deserializeMap(jsonObj.get("mapReduces"), context,
            MapReduceSpecification.class);

    List<Schedule> schedules = deserializeList(jsonObj.get("schedules"), context, Schedule.class);

    return new DefaultWorkflowSpecification(className, name, description, actions, mapReduces, schedules);
}

From source file:co.cask.cdap.internal.filesystem.LocationCodec.java

License:Apache License

@Override
public Location deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) {
    JsonObject jsonObj = json.getAsJsonObject();
    String uri = jsonObj.get("uri").getAsString();
    try {// www. j  ava  2 s .  c o  m
        return lf.create(new URI(uri));
    } catch (URISyntaxException e) {
        // should never happen
        throw new IllegalStateException("Invalid uri " + uri + " found. Cannot deserialize location.", e);
    }
}

From source file:co.cask.cdap.notifications.NotificationFeedInfoDeserializer.java

License:Apache License

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

    String category = obj.get("category").getAsString();
    JsonElement descriptionElement = obj.get("description");
    String description = descriptionElement == null ? "" : descriptionElement.getAsString();

    String namespace;//from w  ww  . java  2s  . co  m
    String feed;
    JsonElement namespaceElement = obj.get("namespace");
    // this means its the old Id.NotificationFeed object where namespace is something like "namespace":{"id":"default"}
    if (namespaceElement.isJsonObject()) {
        namespace = namespaceElement.getAsJsonObject().get("id").getAsString();
        feed = obj.get("name").getAsString();
    } else {
        namespace = namespaceElement.getAsString();
        feed = obj.get("feed").getAsString();
    }

    return new NotificationFeedInfo(namespace, category, feed, description);
}