Example usage for com.google.gson JsonElement getAsJsonObject

List of usage examples for com.google.gson JsonElement getAsJsonObject

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Introduction

In this page you can find the example usage for com.google.gson JsonElement getAsJsonObject.

Prototype

public JsonObject getAsJsonObject()

Source Link

Document

convenience method to get this element as a JsonObject .

Usage

From source file:co.cask.cdap.api.dataset.lib.ConditionCodec.java

License:Apache License

@Override
public PartitionFilter.Condition deserialize(JsonElement jsonElement, Type type,
        JsonDeserializationContext deserializationContext) throws JsonParseException {

    JsonObject jsonObject = jsonElement.getAsJsonObject();
    boolean isSingleValue = jsonObject.get("isSingleValue").getAsBoolean();
    if (isSingleValue) {
        return new PartitionFilter.Condition<>(jsonObject.get("fieldName").getAsString(),
                deserializeComparable(jsonObject.get("lower"), deserializationContext));
    } else {//from   w w  w .  j  ava  2 s. com
        return new PartitionFilter.Condition<>(jsonObject.get("fieldName").getAsString(),
                deserializeComparable(jsonObject.get("lower"), deserializationContext),
                deserializeComparable(jsonObject.get("upper"), deserializationContext));
    }
}

From source file:co.cask.cdap.api.dataset.lib.partitioned.PartitionKeyCodec.java

License:Apache License

@Override
public PartitionKey deserialize(JsonElement jsonElement, Type type,
        JsonDeserializationContext jsonDeserializationContext) throws JsonParseException {
    JsonObject jsonObject = jsonElement.getAsJsonObject();
    PartitionKey.Builder builder = PartitionKey.builder();
    for (Map.Entry<String, JsonElement> entry : jsonObject.entrySet()) {
        JsonArray jsonArray = entry.getValue().getAsJsonArray();
        builder.addField(entry.getKey(), deserializeComparable(jsonArray, jsonDeserializationContext));
    }//from ww w  . java 2s  .c om
    return builder.build();
}

From source file:co.cask.cdap.common.conf.PluginClassDeserializer.java

License:Apache License

@Override
public PluginClass deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
        throws JsonParseException {
    if (!json.isJsonObject()) {
        throw new JsonParseException("PluginClass should be a JSON Object");
    }//from  ww  w .  j av a2  s.com

    JsonObject jsonObj = json.getAsJsonObject();

    String type = jsonObj.has("type") ? jsonObj.get("type").getAsString() : Plugin.DEFAULT_TYPE;
    String name = getRequired(jsonObj, "name").getAsString();
    String description = jsonObj.has("description") ? jsonObj.get("description").getAsString() : "";
    String className = getRequired(jsonObj, "className").getAsString();

    Set<String> endpointsSet = new HashSet<>();
    if (jsonObj.has("endpoints")) {
        endpointsSet = context.deserialize(jsonObj.get("endpoints"), ENDPOINTS_TYPE);
    }

    Map<String, PluginPropertyField> properties = jsonObj.has("properties")
            ? context.<Map<String, PluginPropertyField>>deserialize(jsonObj.get("properties"), PROPERTIES_TYPE)
            : ImmutableMap.<String, PluginPropertyField>of();

    return new PluginClass(type, name, description, className, null, properties, endpointsSet);
}

From source file:co.cask.cdap.common.zookeeper.coordination.DiscoverableCodec.java

License:Apache License

@Override
public Discoverable deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
        throws JsonParseException {
    JsonObject jsonObj = json.getAsJsonObject();
    final String service = jsonObj.get("service").getAsString();
    String hostname = jsonObj.get("hostname").getAsString();
    int port = jsonObj.get("port").getAsInt();
    final InetSocketAddress address = new InetSocketAddress(hostname, port);

    return new Discoverable() {
        @Override/*www.  j av a 2 s .  com*/
        public String getName() {
            return service;
        }

        @Override
        public InetSocketAddress getSocketAddress() {
            return address;
        }
    };
}

From source file:co.cask.cdap.common.zookeeper.coordination.ResourceAssignmentTypeAdapter.java

License:Apache License

@Override
public ResourceAssignment deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
        throws JsonParseException {
    if (!json.isJsonObject()) {
        throw new JsonParseException("Expect a json object, got " + json);
    }//  ww w  . j  a  va2s.co  m

    JsonObject jsonObj = json.getAsJsonObject();
    String name = jsonObj.get("name").getAsString();

    Multimap<Discoverable, PartitionReplica> assignments = TreeMultimap
            .create(DiscoverableComparator.COMPARATOR, PartitionReplica.COMPARATOR);
    JsonArray assignmentsJson = context.deserialize(jsonObj.get("assignments"), JsonArray.class);
    for (JsonElement element : assignmentsJson) {
        if (!element.isJsonArray()) {
            throw new JsonParseException("Expect a json array, got " + element);
        }

        JsonArray entryJson = element.getAsJsonArray();
        if (entryJson.size() != 2) {
            throw new JsonParseException("Expect json array of size = 2, got " + entryJson.size());
        }
        Discoverable key = context.deserialize(entryJson.get(0), Discoverable.class);
        PartitionReplica value = context.deserialize(entryJson.get(1), PartitionReplica.class);
        assignments.put(key, value);
    }

    return new ResourceAssignment(name, assignments);
}

From source file:co.cask.cdap.etl.common.SetMultimapCodec.java

License:Apache License

@Override
public SetMultimap<K, V> deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
        throws JsonParseException {
    JsonObject obj = json.getAsJsonObject();
    Map<K, Collection<V>> map = context.deserialize(obj.get("map"), mapType);
    SetMultimap<K, V> multimap = HashMultimap.create();
    for (Map.Entry<K, Collection<V>> entry : map.entrySet()) {
        multimap.putAll(entry.getKey(), entry.getValue());
    }/* w  w  w  .  j  a v a2s .  c om*/
    return multimap;
}

From source file:co.cask.cdap.etl.mock.realtime.StructuredRecordCodec.java

License:Apache License

@Override
public StructuredRecord deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
        throws JsonParseException {
    JsonObject obj = json.getAsJsonObject();
    try {// w ww.ja va2 s .c o m
        Schema schema = Schema.parseJson(obj.get("schema").getAsString());
        return StructuredRecordStringConverter.fromJsonString(obj.get("record").getAsString(), schema);
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}

From source file:co.cask.cdap.etl.spark.batch.DatasetInfoTypeAdapter.java

License:Apache License

@Override
public DatasetInfo deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
        throws JsonParseException {
    JsonObject obj = json.getAsJsonObject();
    String datasetName = obj.get("datasetName").getAsString();
    Map<String, String> datasetArgs = context.deserialize(obj.get("datasetArgs"), mapType);
    if (obj.get("datasetSplitClass") == null) {
        return new DatasetInfo(datasetName, datasetArgs, null);
    }//from www  .j a  v a2 s  .c  om
    String datasetSplitClass = obj.get("datasetSplitClass").getAsString();
    ClassLoader classLoader = Objects.firstNonNull(Thread.currentThread().getContextClassLoader(),
            SparkBatchSourceFactory.class.getClassLoader());
    try {
        Class<?> splitClass = classLoader.loadClass(datasetSplitClass);
        List<Split> splits = context.deserialize(obj.get("datasetSplits"), getListType(splitClass));
        return new DatasetInfo(datasetName, datasetArgs, splits);
    } catch (ClassNotFoundException e) {
        throw new JsonParseException("Unable to deserialize splits", e);
    }
}

From source file:co.cask.cdap.etl.spark.batch.InputFormatProviderTypeAdapter.java

License:Apache License

@Override
public InputFormatProvider deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
        throws JsonParseException {
    JsonObject obj = json.getAsJsonObject();
    // if inputFormat is not present, return empty InputFormatProvider
    if (obj.get("inputFormatClass") == null) {
        return new SparkBatchSourceFactory.BasicInputFormatProvider();
    }/*from   www  .  j av a 2 s.c  o m*/
    String className = obj.get("inputFormatClass").getAsString();
    Map<String, String> conf = context.deserialize(obj.get("inputFormatConfig"), mapType);
    return new SparkBatchSourceFactory.BasicInputFormatProvider(className, conf);
}

From source file:co.cask.cdap.etl.spark.batch.OutputFormatProviderTypeAdapter.java

License:Apache License

@Override
public OutputFormatProvider deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
        throws JsonParseException {
    JsonObject obj = json.getAsJsonObject();
    // if outputformat is not present, return empty OutputFormatProvider
    if (obj.get("outputFormatClass") == null) {
        return new SparkBatchSinkFactory.BasicOutputFormatProvider();
    }/*from   w ww . j  a  v  a2s .  com*/
    String className = obj.get("outputFormatClass").getAsString();
    Map<String, String> conf = context.deserialize(obj.get("outputFormatConfig"), mapType);
    return new SparkBatchSinkFactory.BasicOutputFormatProvider(className, conf);
}