Example usage for com.google.gson JsonObject add

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

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Introduction

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

Prototype

public void add(String property, JsonElement value)

Source Link

Document

Adds a member, which is a name-value pair, to self.

Usage

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

License:Apache License

@Override
public JsonElement serialize(WorkflowActionSpecification src, Type typeOfSrc,
        JsonSerializationContext context) {
    JsonObject jsonObj = new JsonObject();

    jsonObj.add("className", new JsonPrimitive(src.getClassName()));
    jsonObj.add("name", new JsonPrimitive(src.getName()));
    jsonObj.add("description", new JsonPrimitive(src.getDescription()));
    jsonObj.add("properties", serializeMap(src.getProperties(), context, String.class));

    return jsonObj;
}

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

License:Apache License

@Override
public JsonElement serialize(WorkflowSpecification src, Type typeOfSrc, JsonSerializationContext context) {
    JsonObject jsonObj = new JsonObject();

    jsonObj.add("className", new JsonPrimitive(src.getClassName()));
    jsonObj.add("name", new JsonPrimitive(src.getName()));
    jsonObj.add("description", new JsonPrimitive(src.getDescription()));
    jsonObj.add("actions", serializeList(src.getActions(), context, WorkflowActionSpecification.class));
    jsonObj.add("mapReduces", serializeMap(src.getMapReduce(), context, MapReduceSpecification.class));
    jsonObj.add("schedules", serializeList(src.getSchedules(), context, Schedule.class));

    return jsonObj;
}

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

License:Apache License

@Override
public JsonElement serialize(Location src, Type typeOfSrc, JsonSerializationContext context) {
    JsonObject jsonObj = new JsonObject();
    jsonObj.add("uri", new JsonPrimitive(src.toURI().toASCIIString()));
    return jsonObj;
}

From source file:co.cask.cdap.metrics.query.BatchMetricsHandler.java

License:Apache License

@POST
public void handleBatch(HttpRequest request, HttpResponder responder) throws IOException {
    if (!CONTENT_TYPE_JSON.equals(request.getHeader(HttpHeaders.Names.CONTENT_TYPE))) {
        responder.sendError(HttpResponseStatus.UNSUPPORTED_MEDIA_TYPE,
                "Only " + CONTENT_TYPE_JSON + " is supported.");
        return;/*from ww  w. j a v  a2 s  . c  om*/
    }

    JsonArray output = new JsonArray();

    Reader reader = new InputStreamReader(new ChannelBufferInputStream(request.getContent()), Charsets.UTF_8);
    String currPath = "";
    try {
        // decode requests
        List<URI> uris = GSON.fromJson(reader, new TypeToken<List<URI>>() {
        }.getType());
        LOG.trace("Requests: {}", uris);
        for (URI uri : uris) {
            currPath = uri.toString();
            // if the request is invalid, this will throw an exception and return a 400 indicating the request
            // that is invalid and why.
            MetricsRequest metricsRequest = parseAndValidate(request, uri);

            JsonObject json = new JsonObject();
            json.addProperty("path", metricsRequest.getRequestURI().toString());
            json.add("result", requestExecutor.executeQuery(metricsRequest));
            json.add("error", JsonNull.INSTANCE);

            output.add(json);
        }
        responder.sendJson(HttpResponseStatus.OK, output);
    } catch (MetricsPathException e) {
        responder.sendError(HttpResponseStatus.BAD_REQUEST,
                "Invalid path '" + currPath + "': " + e.getMessage());
    } catch (OperationException e) {
        LOG.error("Exception querying metrics ", e);
        responder.sendError(HttpResponseStatus.INTERNAL_SERVER_ERROR,
                "Internal error while querying for metrics");
    } catch (ServerException e) {
        responder.sendError(HttpResponseStatus.INTERNAL_SERVER_ERROR,
                "Internal error while querying for metrics");
    } finally {
        reader.close();
    }
}

From source file:co.cask.cdap.metrics.query.MetricsDiscoveryHandler.java

License:Apache License

private void getMetrics(HttpRequest request, HttpResponder responder) {

    String contextPrefix = null;//from w  w  w  .jav  a2 s.c  o m
    try {
        String path = request.getUri();
        String base = Constants.Gateway.GATEWAY_VERSION + "/metrics/available/apps";
        if (path.startsWith(base)) {
            Iterator<String> pathParts = Splitter.on('/').split(path.substring(base.length() + 1)).iterator();
            MetricsRequestContext.Builder builder = new MetricsRequestContext.Builder();
            MetricsRequestParser.parseSubContext(pathParts, builder);
            MetricsRequestContext metricsRequestContext = builder.build();
            contextPrefix = metricsRequestContext.getContextPrefix();
            validatePathElements(request, metricsRequestContext);
        }
    } catch (MetricsPathException e) {
        responder.sendError(HttpResponseStatus.NOT_FOUND, e.getMessage());
        return;
    } catch (ServerException e) {
        responder.sendError(HttpResponseStatus.INTERNAL_SERVER_ERROR,
                "Internal error while looking for metrics");
        return;
    }

    // TODO(albert): add ability to pass in maxAge through query params
    Map<String, List<String>> queryParams = new QueryStringDecoder(request.getUri()).getParameters();
    List<String> prefixEntity = queryParams.get("prefixEntity");
    // shouldn't be in params more than once, but if it is, just take any one
    String metricPrefix = (prefixEntity == null || prefixEntity.isEmpty()) ? null : prefixEntity.get(0);

    Map<String, ContextNode> metricContextsMap = Maps.newHashMap();
    for (AggregatesTable table : aggregatesTables.get().values()) {
        AggregatesScanner scanner = table.scanRowsOnly(contextPrefix, metricPrefix);

        // scanning through all metric rows in the aggregates table
        // row has context plus metric info
        // each metric can show up in multiple contexts
        while (scanner.hasNext()) {
            AggregatesScanResult result = scanner.next();
            addContext(result.getContext(), result.getMetric(), metricContextsMap);
        }
    }

    // return the metrics sorted by metric name so it can directly be displayed to the user.
    JsonArray output = new JsonArray();
    List<String> sortedMetrics = Lists.newArrayList(metricContextsMap.keySet());
    Collections.sort(sortedMetrics);
    for (String metric : sortedMetrics) {
        JsonObject metricNode = new JsonObject();
        metricNode.addProperty("metric", metric);
        ContextNode metricContexts = metricContextsMap.get(metric);
        // the root node has junk for its type and id, but has the list of contexts as its "children"
        metricNode.add("contexts", metricContexts.toJson().getAsJsonArray("children"));
        output.add(metricNode);
    }

    responder.sendJson(HttpResponseStatus.OK, output);
}

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

License:Apache License

@Override
public JsonElement serialize(BasicThrowable src, Type typeOfSrc, JsonSerializationContext context) {
    JsonObject json = new JsonObject();
    json.addProperty("className", src.getClassName());
    json.addProperty("message", src.getMessage());
    json.add("stackTraces", context.serialize(src.getStackTraces(), StackTraceElement[].class));
    json.add("cause", context.serialize(src.getCause(), BasicThrowable.class));
    return json;/*from w w  w  . j  a  va2  s.  c  om*/
}

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

License:Apache License

@Override
public JsonElement serialize(CustomActionSpecification src, Type typeOfSrc, JsonSerializationContext context) {
    JsonObject jsonObj = new JsonObject();

    jsonObj.add("className", new JsonPrimitive(src.getClassName()));
    jsonObj.add("name", new JsonPrimitive(src.getName()));
    jsonObj.add("description", new JsonPrimitive(src.getDescription()));
    jsonObj.add("datasets", serializeSet(src.getDatasets(), context, String.class));
    jsonObj.add("properties", serializeMap(src.getProperties(), context, String.class));

    return jsonObj;
}

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

License:Apache License

@Override
public JsonElement serialize(FlowletSpecification src, Type typeOfSrc, JsonSerializationContext context) {
    JsonObject jsonObj = new JsonObject();

    jsonObj.add("className", new JsonPrimitive(src.getClassName()));
    jsonObj.add("name", new JsonPrimitive(src.getName()));
    jsonObj.add("description", new JsonPrimitive(src.getDescription()));
    jsonObj.add("failurePolicy", new JsonPrimitive(src.getFailurePolicy().name()));
    jsonObj.add("datasets", serializeSet(src.getDataSets(), context, String.class));
    jsonObj.add("properties", serializeMap(src.getProperties(), context, String.class));
    jsonObj.add("resources", context.serialize(src.getResources(), Resources.class));

    return jsonObj;
}

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

License:Apache License

@Override
public JsonElement serialize(HttpServiceHandlerSpecification src, Type typeOfSrc,
        JsonSerializationContext context) {
    JsonObject json = new JsonObject();
    json.addProperty("className", src.getClassName());
    json.addProperty("name", src.getName());
    json.addProperty("description", src.getDescription());
    json.add("properties", serializeMap(src.getProperties(), context, String.class));
    json.add("datasets", serializeSet(src.getDatasets(), context, String.class));
    json.add("endpoints", serializeList(src.getEndpoints(), context, ServiceHttpEndpoint.class));

    return json;/*w w  w  . ja  v a  2s.c  o m*/
}

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

License:Apache License

@Override
public JsonElement serialize(MapReduceSpecification src, Type typeOfSrc, JsonSerializationContext context) {
    JsonObject jsonObj = new JsonObject();

    jsonObj.addProperty("className", src.getClassName());
    jsonObj.addProperty("name", src.getName());
    jsonObj.addProperty("description", src.getDescription());

    if (src.getDriverResources() != null) {
        jsonObj.add("driverResources", context.serialize(src.getDriverResources()));
    }//from  w  w  w  .  j ava  2  s .  c  o  m
    if (src.getMapperResources() != null) {
        jsonObj.add("mapperResources", context.serialize(src.getMapperResources()));
    }
    if (src.getReducerResources() != null) {
        jsonObj.add("reducerResources", context.serialize(src.getReducerResources()));
    }
    if (src.getInputDataSet() != null) {
        jsonObj.addProperty("inputDataSet", src.getInputDataSet());
    }
    if (src.getOutputDataSet() != null) {
        jsonObj.addProperty("outputDataSet", src.getOutputDataSet());
    }
    jsonObj.add("datasets", serializeSet(src.getDataSets(), context, String.class));
    jsonObj.add("properties", serializeMap(src.getProperties(), context, String.class));

    return jsonObj;
}