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:co.cask.cdap.internal.app.AbstractSpecificationCodec.java

License:Apache License

protected final <V> Set<V> deserializeSet(JsonElement json, JsonDeserializationContext context,
        Class<V> valueType) {
    Type type = new TypeToken<Set<V>>() {
    }.where(new TypeParameter<V>() {
    }, valueType).getType();/*w  w w. ja  v a2s  . com*/
    Set<V> set = context.deserialize(json, type);
    return set == null ? ImmutableSet.<V>of() : set;
}

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

License:Apache License

protected final <V> List<V> deserializeList(JsonElement json, JsonDeserializationContext context,
        Class<V> valueType) {
    Type type = new TypeToken<List<V>>() {
    }.where(new TypeParameter<V>() {
    }, valueType).getType();//ww  w. j  a v a 2s. co m
    List<V> list = context.deserialize(json, type);
    return list == null ? ImmutableList.<V>of() : list;
}

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

License:Apache License

@Override
public ApplicationSpecification 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 configuration = null;//from ww  w. j  a  v a2  s. c o  m
    if (jsonObj.has("configuration")) {
        configuration = jsonObj.get("configuration").getAsString();
    }

    ArtifactId artifactId = context.deserialize(jsonObj.get("artifactId"), ArtifactId.class);

    Map<String, StreamSpecification> streams = deserializeMap(jsonObj.get("streams"), context,
            StreamSpecification.class);
    Map<String, String> datasetModules = deserializeMap(jsonObj.get("datasetModules"), context, String.class);
    Map<String, DatasetCreationSpec> datasetInstances = deserializeMap(jsonObj.get("datasetInstances"), context,
            DatasetCreationSpec.class);
    Map<String, FlowSpecification> flows = deserializeMap(jsonObj.get("flows"), context,
            FlowSpecification.class);
    Map<String, MapReduceSpecification> mapReduces = deserializeMap(jsonObj.get("mapReduces"), context,
            MapReduceSpecification.class);
    Map<String, SparkSpecification> sparks = deserializeMap(jsonObj.get("sparks"), context,
            SparkSpecification.class);
    Map<String, WorkflowSpecification> workflows = deserializeMap(jsonObj.get("workflows"), context,
            WorkflowSpecification.class);

    Map<String, ServiceSpecification> services = deserializeMap(jsonObj.get("services"), context,
            ServiceSpecification.class);

    Map<String, ScheduleSpecification> schedules = deserializeMap(jsonObj.get("schedules"), context,
            ScheduleSpecification.class);

    Map<String, WorkerSpecification> workers = deserializeMap(jsonObj.get("workers"), context,
            WorkerSpecification.class);
    Map<String, Plugin> plugins = deserializeMap(jsonObj.get("plugins"), context, Plugin.class);

    return new DefaultApplicationSpecification(name, description, configuration, artifactId, streams,
            datasetModules, datasetInstances, flows, mapReduces, sparks, workflows, services, schedules,
            workers, plugins);
}

From source file:co.cask.cdap.internal.app.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);
    ResourceSpecification resources = context.deserialize(jsonObj.get("resources"),
            new TypeToken<ResourceSpecification>() {
            }.getType());/*from   w  w w  . j a  v a 2  s.c o  m*/

    return new DefaultFlowletSpecification(className, name, description, policy, dataSets, properties,
            resources);
}

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

License:Apache License

@Override
public ProcedureSpecification 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);
    ResourceSpecification resourceSpec = context.deserialize(jsonObj.get("resources"),
            new TypeToken<ResourceSpecification>() {
            }.getType());/* www . j ava2  s. c o  m*/

    JsonElement instanceElem = jsonObj.get("instances");
    int instances = (instanceElem == null || instanceElem.isJsonNull()) ? 1
            : jsonObj.get("instances").getAsInt();
    return new DefaultProcedureSpecification(className, name, description, dataSets, properties, resourceSpec,
            instances);
}

From source file:co.cask.cdap.internal.app.runtime.codec.ArgumentsCodec.java

License:Apache License

@Override
public Arguments deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
        throws JsonParseException {
    Map<String, String> args = context.deserialize(json, MAP_STRING_STRING_TYPE);
    return new BasicArguments(args);
}

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.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);
    }//w ww .j  av a 2  s . c om

    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.proto.codec.AbstractSpecificationCodec.java

License:Apache License

protected final <V> Map<String, V> deserializeMap(JsonElement json, JsonDeserializationContext context,
        Class<V> valueType) {
    Type type = new TypeToken<Map<String, V>>() {
    }.where(new TypeParameter<V>() {
    }, valueType).getType();/*ww w. j a  v a2s . co m*/
    Map<String, V> map = context.deserialize(json, type);
    return map == null ? Collections.<String, V>emptyMap() : map;
}

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

License:Apache License

protected final <V> Set<V> deserializeSet(JsonElement json, JsonDeserializationContext context,
        Class<V> valueType) {
    Type type = new TypeToken<Set<V>>() {
    }.where(new TypeParameter<V>() {
    }, valueType).getType();// w  w w.j a  v a 2  s  .c  o  m
    Set<V> set = context.deserialize(json, type);
    return set == null ? Collections.<V>emptySet() : set;
}