Java 类com.google.gson.internal.Primitives 实例源码

public GsonBuilder registerTypeAdapter(Type type, Object typeAdapter) {
    boolean z = (typeAdapter instanceof JsonSerializer) || (typeAdapter instanceof JsonDeserializer) || (typeAdapter instanceof InstanceCreator) || (typeAdapter instanceof TypeAdapter);
    C$Gson$Preconditions.checkArgument(z);
    if (Primitives.isPrimitive(type) || Primitives.isWrapperType(type)) {
        throw new IllegalArgumentException("Cannot register type adapters for " + type);
    }
    if (typeAdapter instanceof InstanceCreator) {
        this.instanceCreators.put(type, (InstanceCreator) typeAdapter);
    }
    if ((typeAdapter instanceof JsonSerializer) || (typeAdapter instanceof JsonDeserializer)) {
        this.factories.add(TreeTypeAdapter.newFactoryWithMatchRawType(TypeToken.get(type), typeAdapter));
    }
    if (typeAdapter instanceof TypeAdapter) {
        this.factories.add(TypeAdapters.newFactory(TypeToken.get(type), (TypeAdapter) typeAdapter));
    }
    return this;
}

@SuppressWarnings("unchecked")
public static<T> String getExpectedJson(MyParameterizedType<T> obj) {
  Class<T> clazz = (Class<T>) obj.value.getClass();
  boolean addQuotes = !clazz.isArray() && !Primitives.unwrap(clazz).isPrimitive();
  StringBuilder sb = new StringBuilder("{\"");
  sb.append(obj.value.getClass().getSimpleName()).append("\":");
  if (addQuotes) {
    sb.append("\"");
  }
  sb.append(obj.value.toString());
  if (addQuotes) {
    sb.append("\"");
  }
  sb.append("}");
  return sb.toString();
}

@SuppressWarnings("unchecked")
@Override public MyParameterizedType<T> deserialize(JsonElement json, Type typeOfT,
    JsonDeserializationContext context) throws JsonParseException {
  Type genericClass = ((ParameterizedType) typeOfT).getActualTypeArguments()[0];
  Class<?> rawType = $Gson$Types.getRawType(genericClass);
  String className = rawType.getSimpleName();
  JsonElement jsonElement = json.getAsJsonObject().get(className);

  T value;
  if (genericClass == Integer.class) {
    value = (T) Integer.valueOf(jsonElement.getAsInt());
  } else if (genericClass == String.class) {
    value = (T) jsonElement.getAsString();
  } else {
    value = (T) jsonElement;
  }

  if (Primitives.isPrimitive(genericClass)) {
    PrimitiveTypeAdapter typeAdapter = new PrimitiveTypeAdapter();
    value = (T) typeAdapter.adaptType(value, rawType);
  }
  return new MyParameterizedType<T>(value);
}

private static void checkGetter(Method getter) {
    checkNotNull(getter);
    checkArgument(GETTER_PREFIX_PATTERN.matcher(getter.getName())
                                       .find() && getter.getParameterTypes().length == 0,
                  "Method `%s` is not a getter.", getter);
    checkArgument(getAnnotatedVersion(getter).isPresent(),
                  format("Entity column getter should be annotated with `%s`.",
                         Column.class.getName()));
    final int modifiers = getter.getModifiers();
    checkArgument(isPublic(modifiers) && !isStatic(modifiers),
                  "Entity column getter should be public instance method.");
    final Class<?> returnType = getter.getReturnType();
    final Class<?> wrapped = Primitives.wrap(returnType);
    checkArgument(Serializable.class.isAssignableFrom(wrapped),
                  format("Cannot create column of non-serializable type %s by method %s.",
                         returnType,
                         getter));
}

/**
 * Build a new field model based on the name and Java type
 *
 * @param fieldName the name of the field
 * @param type the Java raw type that will allow further analyzes
 */
public FieldAttributeModel(String fieldName, Type type) {
  this.fieldName = fieldName;
  this.type = type;
  this.typeName = convertType(type);

  if (typeName.startsWith("Array<") || typeName.startsWith("Map<")) {
    this.needInitialize = true;
  }

  if (this.type instanceof ParameterizedType) {
    ParameterizedType parameterizedType = (ParameterizedType) this.type;
    Type rawType = parameterizedType.getRawType();
    analyzeParametrizedType(parameterizedType, rawType);
  } else if (Primitives.isPrimitive(this.type)
      || Primitives.isWrapperType(this.type)
      || String.class.equals(this.type)) {
    this.isPrimitive = true;
  } else if (this.type instanceof Class && ((Class) this.type).isAnnotationPresent(DTO.class)) {
    this.isDto = true;
    dtoImpl = this.type.getTypeName() + "Impl";
  } else if (this.type instanceof Class && ((Class) this.type).isEnum()) {
    this.isEnum = true;
  }
}

public static <T> T jsonToObject(String jsonString, Class<T> classOfT) {
//      Gson gson = new Gson();
        Gson gson = new GsonBuilder()
         .registerTypeHierarchyAdapter(Date.class,  
                 new JsonSerializer<Date>() {
                    @Override
                     public JsonElement serialize(Date src,  
                             Type typeOfSrc,  
                             JsonSerializationContext context) {  
                         SimpleDateFormat format = new SimpleDateFormat(  
                                 dateformat);  
                         return new JsonPrimitive(format.format(src));  
                     }
                 }).setDateFormat(dateformat).create(); 

        Object object = gson.fromJson(jsonString, (Type) classOfT);
        return Primitives.wrap(classOfT).cast(object);
    }

/**
 * Configures Gson for custom serialization or deserialization. This method combines the
 * registration of an {@link InstanceCreator}, {@link JsonSerializer}, and a
 * {@link JsonDeserializer}. It is best used when a single object {@code typeAdapter} implements
 * all the required interfaces for custom serialization with Gson. If an instance creator,
 * serializer or deserializer was previously registered for the specified {@code type}, it is
 * overwritten.
 *
 * @param type the type definition for the type adapter being registered
 * @param typeAdapter This object must implement at least one of the {@link InstanceCreator},
 * {@link JsonSerializer}, and a {@link JsonDeserializer} interfaces.
 * @return a reference to this {@code GsonBuilder} object to fulfill the "Builder" pattern
 */
@SuppressWarnings({"unchecked", "rawtypes"})
public GsonBuilder registerTypeAdapter(Type type, Object typeAdapter) {
  $Gson$Preconditions.checkArgument(typeAdapter instanceof JsonSerializer<?>
      || typeAdapter instanceof JsonDeserializer<?>
      || typeAdapter instanceof InstanceCreator<?>
      || typeAdapter instanceof TypeAdapter<?>);
  if (Primitives.isPrimitive(type) || Primitives.isWrapperType(type)) {
    throw new IllegalArgumentException(
        "Cannot register type adapters for " + type);
  }
  if (typeAdapter instanceof InstanceCreator<?>) {
    instanceCreators.put(type, (InstanceCreator) typeAdapter);
  }
  if (typeAdapter instanceof JsonSerializer<?> || typeAdapter instanceof JsonDeserializer<?>) {
    TypeToken<?> typeToken = TypeToken.get(type);
    factories.add(TreeTypeAdapter.newFactoryWithMatchRawType(typeToken, typeAdapter));
  }
  if (typeAdapter instanceof TypeAdapter<?>) {
    factories.add(TypeAdapters.newFactory(TypeToken.get(type), (TypeAdapter)typeAdapter));
  }
  return this;
}

/**
 * Configures Gson for custom serialization or deserialization. This method combines the
 * registration of an {@link TypeAdapter}, {@link InstanceCreator}, {@link JsonSerializer}, and a
 * {@link JsonDeserializer}. It is best used when a single object {@code typeAdapter} implements
 * all the required interfaces for custom serialization with Gson. If a type adapter was
 * previously registered for the specified {@code type}, it is overwritten.
 *
 * @param type the type definition for the type adapter being registered
 * @param typeAdapter This object must implement at least one of the {@link TypeAdapter},
 * {@link InstanceCreator}, {@link JsonSerializer}, and a {@link JsonDeserializer} interfaces.
 * @return a reference to this {@code GsonBuilder} object to fulfill the "Builder" pattern
 */
@SuppressWarnings({"unchecked", "rawtypes"})
public GsonBuilder registerTypeAdapter(Type type, Object typeAdapter) {
  $Gson$Preconditions.checkArgument(typeAdapter instanceof JsonSerializer<?>
      || typeAdapter instanceof JsonDeserializer<?>
      || typeAdapter instanceof InstanceCreator<?>
      || typeAdapter instanceof TypeAdapter<?>);
  if (Primitives.isPrimitive(type) || Primitives.isWrapperType(type)) {
    throw new IllegalArgumentException(
        "Cannot register type adapters for " + type);
  }
  if (typeAdapter instanceof InstanceCreator<?>) {
    instanceCreators.put(type, (InstanceCreator) typeAdapter);
  }
  if (typeAdapter instanceof JsonSerializer<?> || typeAdapter instanceof JsonDeserializer<?>) {
    TypeToken<?> typeToken = TypeToken.get(type);
    factories.add(TreeTypeAdapter.newFactoryWithMatchRawType(typeToken, typeAdapter));
  }
  if (typeAdapter instanceof TypeAdapter<?>) {
    factories.add(TypeAdapters.newFactory(TypeToken.get(type), (TypeAdapter)typeAdapter));
  }
  return this;
}

@SuppressWarnings("unchecked")
public static<T> String getExpectedJson(MyParameterizedType<T> obj) {
  Class<T> clazz = (Class<T>) obj.value.getClass();
  boolean addQuotes = !clazz.isArray() && !Primitives.unwrap(clazz).isPrimitive();
  StringBuilder sb = new StringBuilder("{\"");
  sb.append(obj.value.getClass().getSimpleName()).append("\":");
  if (addQuotes) {
    sb.append("\"");
  }
  sb.append(obj.value.toString());
  if (addQuotes) {
    sb.append("\"");
  }
  sb.append("}");
  return sb.toString();
}

@SuppressWarnings("unchecked")
public MyParameterizedType<T> deserialize(JsonElement json, Type typeOfT,
    JsonDeserializationContext context) throws JsonParseException {
  Type genericClass = ((ParameterizedType) typeOfT).getActualTypeArguments()[0];
  Class<?> rawType = $Gson$Types.getRawType(genericClass);
  String className = rawType.getSimpleName();
  JsonElement jsonElement = json.getAsJsonObject().get(className);

  T value;
  if (genericClass == Integer.class) {
    value = (T) Integer.valueOf(jsonElement.getAsInt());
  } else if (genericClass == String.class) {
    value = (T) jsonElement.getAsString();
  } else {
    value = (T) jsonElement;
  }

  if (Primitives.isPrimitive(genericClass)) {
    PrimitiveTypeAdapter typeAdapter = new PrimitiveTypeAdapter();
    value = (T) typeAdapter.adaptType(value, rawType);
  }
  return new MyParameterizedType<T>(value);
}

@Override
@SuppressWarnings("unchecked")
public T read() throws JsonSyntaxException, JsonIOException {
    if (Primitives.isPrimitive(valueType)) {
        Object parsed = mapper.fromJson(source, valueType);
        return (T) Primitives.wrap(parsed.getClass()).cast(parsed);
    }
    else {
        return mapper.fromJson(source, valueType);
    }
}

@Override
@SuppressWarnings("unchecked")
public T read(Reader source) throws JsonSyntaxException, JsonIOException {
    requireNonNull(source, "source");

    if (Primitives.isPrimitive(valueType)) {
        Object parsed = mapper.fromJson(source, valueType);
        return (T) Primitives.wrap(parsed.getClass()).cast(parsed);
    }
    else {
        return mapper.fromJson(source, valueType);
    }
}

public <T> T fromJson(Reader json, Class<T> classOfT) throws JsonSyntaxException,
        JsonIOException {
    JsonReader jsonReader = new JsonReader(json);
    Object object = fromJson(jsonReader, (Type) classOfT);
    assertFullConsumption(object, jsonReader);
    return Primitives.wrap(classOfT).cast(object);
}

private static void validateField(
    String name,
    Object object,
    Field field,
    Set<Field> ignoredFields) {

  try {
    field.setAccessible(true);
    String fullName = name + "." + field.getName();
    Object fieldValue = field.get(object);
    boolean mustBeSet = !ignoredFields.contains(field);
    if (mustBeSet) {
      assertNotNull(fullName + " is null", fieldValue);
    }
    if (fieldValue != null) {
      if (Primitives.isWrapperType(fieldValue.getClass())) {
        // Special-case the mutable hash code field.
        if (mustBeSet && !fullName.endsWith("cachedHashCode")) {
          assertNotEquals(
              "Primitive value must not be default: " + fullName,
              Defaults.defaultValue(Primitives.unwrap(fieldValue.getClass())),
              fieldValue);
        }
      } else {
        assertFullyPopulated(fullName, fieldValue, ignoredFields);
      }
    }
  } catch (IllegalAccessException e) {
    throw Throwables.propagate(e);
  }
}

public final <T> T fromJson(String paramString, Class<T> paramClass)
  throws JsonSyntaxException
{
  Object localObject;
  if (paramString == null) {
    localObject = null;
  }
  for (;;)
  {
    return Primitives.wrap(paramClass).cast(localObject);
    JsonReader localJsonReader = new JsonReader(new StringReader(paramString));
    localObject = fromJson(localJsonReader, paramClass);
    if (localObject == null) {
      continue;
    }
    try
    {
      if (localJsonReader.peek() == JsonToken.END_DOCUMENT) {
        continue;
      }
      throw new JsonIOException("JSON document was not fully consumed.");
    }
    catch (MalformedJsonException localMalformedJsonException)
    {
      throw new JsonSyntaxException(localMalformedJsonException);
    }
    catch (IOException localIOException)
    {
      throw new JsonIOException(localIOException);
    }
  }
}

public Object fromJson(Reader reader, Class class1)
{
    JsonReader jsonreader = new JsonReader(reader);
    Object obj = fromJson(jsonreader, ((Type) (class1)));
    a(obj, jsonreader);
    return Primitives.wrap(class1).cast(obj);
}

@Override
@SuppressWarnings("unchecked")
public T read() throws JsonSyntaxException, JsonIOException {
    if (Primitives.isPrimitive(valueType)) {
        Object parsed = mapper.fromJson(source, valueType);
        return (T) Primitives.wrap(parsed.getClass()).cast(parsed);
    }
    else {
        return mapper.fromJson(source, valueType);
    }
}

@Override
@SuppressWarnings("unchecked")
public T read(Reader source) throws JsonSyntaxException, JsonIOException {
    requireNonNull(source, "source");

    if (Primitives.isPrimitive(valueType)) {
        Object parsed = mapper.fromJson(source, valueType);
        return (T) Primitives.wrap(parsed.getClass()).cast(parsed);
    }
    else {
        return mapper.fromJson(source, valueType);
    }
}

public <T> T fromJson(String json, Class<T> classOfT) throws JsonSyntaxException {
    return Primitives.wrap(classOfT).cast(fromJson(json, (Type) classOfT));
}

public <T> T fromJson(Reader json, Class<T> classOfT) throws JsonSyntaxException, JsonIOException {
    JsonReader jsonReader = new JsonReader(json);
    Object object = fromJson(jsonReader, (Type) classOfT);
    assertFullConsumption(object, jsonReader);
    return Primitives.wrap(classOfT).cast(object);
}

public <T> T fromJson(JsonElement json, Class<T> classOfT) throws JsonSyntaxException {
    return Primitives.wrap(classOfT).cast(fromJson(json, (Type) classOfT));
}

public <T> T fromJson(String json, Class<T> classOfT) throws JsonSyntaxException {
    return Primitives.wrap(classOfT).cast(fromJson(json, (Type) classOfT));
}

public <T> T fromJson(JsonElement json, Class<T> classOfT) throws JsonSyntaxException {
    return Primitives.wrap(classOfT).cast(fromJson(json, (Type) classOfT));
}

public Object fromJson(JsonElement jsonelement, Class class1)
{
    Object obj = fromJson(jsonelement, ((Type) (class1)));
    return Primitives.wrap(class1).cast(obj);
}

public Object fromJson(String s, Class class1)
{
    Object obj = fromJson(s, ((Type) (class1)));
    return Primitives.wrap(class1).cast(obj);
}

private j a(Gson gson, Field field, String s, TypeToken typetoken, boolean flag, boolean flag1)
{
    return new i(this, s, flag, flag1, gson, typetoken, field, Primitives.isPrimitive(typetoken.getRawType()));
}

/**
 * This method deserializes the Json read from the specified reader into an object of the
 * specified class. It is not suitable to use if the specified class is a generic type since it
 * will not have the generic type information because of the Type Erasure feature of Java.
 * Therefore, this method should not be used if the desired type is a generic type. Note that
 * this method works fine if the any of the fields of the specified object are generics, just the
 * object itself should not be a generic type. For the cases when the object is of generic type,
 * invoke {@link #fromJson(Reader, Type)}. If you have the Json in a String form instead of a
 * {@link Reader}, use {@link #fromJson(String, Class)} instead.
 *
 * @param <T> the type of the desired object
 * @param json the reader producing the Json from which the object is to be deserialized.
 * @param classOfT the class of T
 * @return an object of type T from the string. Returns {@code null} if {@code json} is at EOF.
 * @throws JsonIOException if there was a problem reading from the Reader
 * @throws JsonSyntaxException if json is not a valid representation for an object of type
 * @since 1.2
 */
public <T> T fromJson(Reader json, Class<T> classOfT) throws JsonSyntaxException, JsonIOException {
  JsonReader jsonReader = new JsonReader(json);
  Object object = fromJson(jsonReader, classOfT);
  assertFullConsumption(object, jsonReader);
  return Primitives.wrap(classOfT).cast(object);
}

/**
 * This method deserializes the Json read from the specified reader into an object of the
 * specified class. It is not suitable to use if the specified class is a generic type since it
 * will not have the generic type information because of the Type Erasure feature of Java.
 * Therefore, this method should not be used if the desired type is a generic type. Note that
 * this method works fine if the any of the fields of the specified object are generics, just the
 * object itself should not be a generic type. For the cases when the object is of generic type,
 * invoke {@link #fromJson(Reader, Type)}. If you have the Json in a String form instead of a
 * {@link Reader}, use {@link #fromJson(String, Class)} instead.
 *
 * @param <T> the type of the desired object
 * @param json the reader producing the Json from which the object is to be deserialized.
 * @param classOfT the class of T
 * @return an object of type T from the string
 * @throws JsonIOException if there was a problem reading from the Reader
 * @throws JsonSyntaxException if json is not a valid representation for an object of type
 * @since 1.2
 */
public <T> T fromJson(Reader json, Class<T> classOfT) throws JsonSyntaxException, JsonIOException {
  JsonReader jsonReader = new JsonReader(json);
  Object object = fromJson(jsonReader, classOfT);
  assertFullConsumption(object, jsonReader);
  return Primitives.wrap(classOfT).cast(object);
}

/**
 * This method deserializes the Json read from the specified reader into an object of the
 * specified class. It is not suitable to use if the specified class is a generic type since it
 * will not have the generic type information because of the Type Erasure feature of Java.
 * Therefore, this method should not be used if the desired type is a generic type. Note that
 * this method works fine if the any of the fields of the specified object are generics, just the
 * object itself should not be a generic type. For the cases when the object is of generic type,
 * invoke {@link #fromJson(Reader, Type)}. If you have the Json in a String form instead of a
 * {@link Reader}, use {@link #fromJson(String, Class)} instead.
 *
 * @param <T> the type of the desired object
 * @param json the reader producing the Json from which the object is to be deserialized.
 * @param classOfT the class of T
 * @return an object of type T from the string. Returns {@code null} if {@code json} is at EOF.
 * @throws JsonIOException if there was a problem reading from the Reader
 * @throws JsonSyntaxException if json is not a valid representation for an object of type
 * @since 1.2
 */
public <T> T fromJson(Reader json, Class<T> classOfT) throws JsonSyntaxException, JsonIOException {
  JsonReader jsonReader = new JsonReader(json);
  Object object = fromJson(jsonReader, classOfT);
  assertFullConsumption(object, jsonReader);
  return Primitives.wrap(classOfT).cast(object);
}

/**
 * This method deserializes the Json read from the specified reader into an object of the
 * specified class. It is not suitable to use if the specified class is a generic type since it
 * will not have the generic type information because of the Type Erasure feature of Java.
 * Therefore, this method should not be used if the desired type is a generic type. Note that
 * this method works fine if the any of the fields of the specified object are generics, just the
 * object itself should not be a generic type. For the cases when the object is of generic type,
 * invoke {@link #fromJson(Reader, Type)}. If you have the Json in a String form instead of a
 * {@link Reader}, use {@link #fromJson(String, Class)} instead.
 *
 * @param <T> the type of the desired object
 * @param json the reader producing the Json from which the object is to be deserialized.
 * @param classOfT the class of T
 * @return an object of type T from the string. Returns {@code null} if {@code json} is at EOF.
 * @throws JsonIOException if there was a problem reading from the Reader
 * @throws JsonSyntaxException if json is not a valid representation for an object of type
 * @since 1.2
 */
public <T> T fromJson(Reader json, Class<T> classOfT) throws JsonSyntaxException, JsonIOException {
  JsonReader jsonReader = newJsonReader(json);
  Object object = fromJson(jsonReader, classOfT);
  assertFullConsumption(object, jsonReader);
  return Primitives.wrap(classOfT).cast(object);
}

/**
 * This method deserializes the Json read from the specified reader into an object of the
 * specified class. It is not suitable to use if the specified class is a generic type since it
 * will not have the generic type information because of the Type Erasure feature of Java.
 * Therefore, this method should not be used if the desired type is a generic type. Note that
 * this method works fine if the any of the fields of the specified object are generics, just the
 * object itself should not be a generic type. For the cases when the object is of generic type,
 * invoke {@link #fromJson(Reader, Type)}. If you have the Json in a String form instead of a
 * {@link Reader}, use {@link #fromJson(String, Class)} instead.
 *
 * @param <T> the type of the desired object
 * @param json the reader producing the Json from which the object is to be deserialized.
 * @param classOfT the class of T
 * @return an object of type T from the string. Returns {@code null} if {@code json} is at EOF.
 * @throws JsonIOException if there was a problem reading from the Reader
 * @throws JsonSyntaxException if json is not a valid representation for an object of type
 * @since 1.2
 */
public <T> T fromJson(Reader json, Class<T> classOfT) throws JsonSyntaxException, JsonIOException {
  JsonReader jsonReader = newJsonReader(json);
  Object object = fromJson(jsonReader, classOfT);
  assertFullConsumption(object, jsonReader);
  return Primitives.wrap(classOfT).cast(object);
}

/**
 * This method deserializes the Json read from the specified reader into an object of the
 * specified class. It is not suitable to use if the specified class is a generic type since it
 * will not have the generic type information because of the Type Erasure feature of Java.
 * Therefore, this method should not be used if the desired type is a generic type. Note that
 * this method works fine if the any of the fields of the specified object are generics, just the
 * object itself should not be a generic type. For the cases when the object is of generic type,
 * invoke {@link #fromJson(Reader, Type)}. If you have the Json in a String form instead of a
 * {@link Reader}, use {@link #fromJson(String, Class)} instead.
 *
 * @param <T> the type of the desired object
 * @param json the reader producing the Json from which the object is to be deserialized.
 * @param classOfT the class of T
 * @return an object of type T from the string. Returns {@code null} if {@code json} is at EOF.
 * @throws JsonIOException if there was a problem reading from the Reader
 * @throws JsonSyntaxException if json is not a valid representation for an object of type
 * @since 1.2
 */
public <T> T fromJson(Reader json, Class<T> classOfT) throws JsonSyntaxException, JsonIOException {
  JsonReader jsonReader = newJsonReader(json);
  Object object = fromJson(jsonReader, classOfT);
  assertFullConsumption(object, jsonReader);
  return Primitives.wrap(classOfT).cast(object);
}

/**
 * This method deserializes the Json read from the specified reader into an object of the
 * specified class. It is not suitable to use if the specified class is a generic type since it
 * will not have the generic type information because of the Type Erasure feature of Java.
 * Therefore, this method should not be used if the desired type is a generic type. Note that
 * this method works fine if the any of the fields of the specified object are generics, just the
 * object itself should not be a generic type. For the cases when the object is of generic type,
 * invoke {@link #fromJson(Reader, Type)}. If you have the Json in a String form instead of a
 * {@link Reader}, use {@link #fromJson(String, Class)} instead.
 *
 * @param <T> the type of the desired object
 * @param json the reader producing the Json from which the object is to be deserialized.
 * @param classOfT the class of T
 * @return an object of type T from the string. Returns {@code null} if {@code json} is at EOF.
 * @throws JsonIOException if there was a problem reading from the Reader
 * @throws JsonSyntaxException if json is not a valid representation for an object of type
 * @since 1.2
 */
public <T> T fromJson(Reader json, Class<T> classOfT) throws JsonSyntaxException, JsonIOException {
  JsonReader jsonReader = newJsonReader(json);
  Object object = fromJson(jsonReader, classOfT);
  assertFullConsumption(object, jsonReader);
  return Primitives.wrap(classOfT).cast(object);
}

/**
 * This method deserializes the Json read from the specified reader into an object of the
 * specified class. It is not suitable to use if the specified class is a generic type since it
 * will not have the generic type information because of the Type Erasure feature of Java.
 * Therefore, this method should not be used if the desired type is a generic type. Note that
 * this method works fine if the any of the fields of the specified object are generics, just the
 * object itself should not be a generic type. For the cases when the object is of generic type,
 * invoke {@link #fromJson(Reader, Type)}. If you have the Json in a String form instead of a
 * {@link Reader}, use {@link #fromJson(String, Class)} instead.
 *
 * @param <T> the type of the desired object
 * @param json the reader producing the Json from which the object is to be deserialized.
 * @param classOfT the class of T
 * @return an object of type T from the string. Returns {@code null} if {@code json} is at EOF.
 * @throws JsonIOException if there was a problem reading from the Reader
 * @throws JsonSyntaxException if json is not a valid representation for an object of type
 * @since 1.2
 */
public <T> T fromJson(Reader json, Class<T> classOfT) throws JsonSyntaxException, JsonIOException {
  JsonReader jsonReader = newJsonReader(json);
  Object object = fromJson(jsonReader, classOfT);
  assertFullConsumption(object, jsonReader);
  return Primitives.wrap(classOfT).cast(object);
}

/**
 * This method deserializes the Json read from the specified reader into an object of the
 * specified class. It is not suitable to use if the specified class is a generic type since it
 * will not have the generic type information because of the Type Erasure feature of Java.
 * Therefore, this method should not be used if the desired type is a generic type. Note that
 * this method works fine if the any of the fields of the specified object are generics, just the
 * object itself should not be a generic type. For the cases when the object is of generic type,
 * invoke {@link #fromJson(java.io.Reader, java.lang.reflect.Type)}. If you have the Json in a String form instead of a
 * {@link java.io.Reader}, use {@link #fromJson(String, Class)} instead.
 *
 * @param <T> the type of the desired object
 * @param json the reader producing the Json from which the object is to be deserialized.
 * @param classOfT the class of T
 * @return an object of type T from the string
 * @throws JsonIOException if there was a problem reading from the Reader
 * @throws JsonSyntaxException if json is not a valid representation for an object of type
 * @since 1.2
 */
public <T> T fromJson(Reader json, Class<T> classOfT) throws JsonSyntaxException, JsonIOException {
  JsonReader jsonReader = new JsonReader(json);
  Object object = fromJson(jsonReader, classOfT);
  assertFullConsumption(object, jsonReader);
  return Primitives.wrap(classOfT).cast(object);
}

/**
 * This method deserializes the Json read from the specified reader into an object of the
 * specified class. It is not suitable to use if the specified class is a generic type since it
 * will not have the generic type information because of the Type Erasure feature of Java.
 * Therefore, this method should not be used if the desired type is a generic type. Note that
 * this method works fine if the any of the fields of the specified object are generics, just the
 * object itself should not be a generic type. For the cases when the object is of generic type,
 * invoke {@link #fromJson(Reader, Type)}. If you have the Json in a String form instead of a
 * {@link Reader}, use {@link #fromJson(String, Class)} instead.
 *
 * @param <T> the type of the desired object
 * @param json the reader producing the Json from which the object is to be deserialized.
 * @param classOfT the class of T
 * @return an object of type T from the string
 * @throws JsonIOException if there was a problem reading from the Reader
 * @throws JsonSyntaxException if json is not a valid representation for an object of type
 * @since 1.2
 */
public <T> T fromJson(Reader json, Class<T> classOfT) throws JsonSyntaxException, JsonIOException {
  JsonReader jsonReader = new JsonReader(json);
  Object object = fromJson(jsonReader, classOfT);
  assertFullConsumption(object, jsonReader);
  return Primitives.wrap(classOfT).cast(object);
}

/**
 * This method deserializes the Json read from the specified reader into an object of the
 * specified class. It is not suitable to use if the specified class is a generic type since it
 * will not have the generic type information because of the Type Erasure feature of Java.
 * Therefore, this method should not be used if the desired type is a generic type. Note that
 * this method works fine if the any of the fields of the specified object are generics, just the
 * object itself should not be a generic type. For the cases when the object is of generic type,
 * invoke {@link #fromJson(Reader, Type)}. If you have the Json in a String form instead of a
 * {@link Reader}, use {@link #fromJson(String, Class)} instead.
 *
 * @param <T> the type of the desired object
 * @param json the reader producing the Json from which the object is to be deserialized.
 * @param classOfT the class of T
 * @return an object of type T from the string
 * @throws JsonIOException if there was a problem reading from the Reader
 * @throws JsonSyntaxException if json is not a valid representation for an object of type
 * @since 1.2
 */
public <T> T fromJson(Reader json, Class<T> classOfT) throws JsonSyntaxException, JsonIOException {
  JsonReader jsonReader = new JsonReader(json);
  Object object = fromJson(jsonReader, classOfT);
  assertFullConsumption(object, jsonReader);
  return Primitives.wrap(classOfT).cast(object);
}

/**
 * This method deserializes the Json read from the specified reader into an object of the
 * specified class. It is not suitable to use if the specified class is a generic type since it
 * will not have the generic type information because of the Type Erasure feature of Java.
 * Therefore, this method should not be used if the desired type is a generic type. Note that
 * this method works fine if the any of the fields of the specified object are generics, just the
 * object itself should not be a generic type. For the cases when the object is of generic type,
 * invoke {@link #fromJson(Reader, Type)}. If you have the Json in a String form instead of a
 * {@link Reader}, use {@link #fromJson(String, Class)} instead.
 *
 * @param <T> the type of the desired object
 * @param json the reader producing the Json from which the object is to be deserialized.
 * @param classOfT the class of T
 * @return an object of type T from the string
 * @throws JsonIOException if there was a problem reading from the Reader
 * @throws JsonSyntaxException if json is not a valid representation for an object of type
 * @since 1.2
 */
public <T> T fromJson(Reader json, Class<T> classOfT) throws JsonSyntaxException, JsonIOException {
  JsonReader jsonReader = new JsonReader(json);
  Object object = fromJson(jsonReader, classOfT);
  assertFullConsumption(object, jsonReader);
  return Primitives.wrap(classOfT).cast(object);
}

/**
 * This method deserializes the Json read from the specified reader into an object of the
 * specified class. It is not suitable to use if the specified class is a generic type since it
 * will not have the generic type information because of the Type Erasure feature of Java.
 * Therefore, this method should not be used if the desired type is a generic type. Note that
 * this method works fine if the any of the fields of the specified object are generics, just the
 * object itself should not be a generic type. For the cases when the object is of generic type,
 * invoke {@link #fromJson(Reader, Type)}. If you have the Json in a String form instead of a
 * {@link Reader}, use {@link #fromJson(String, Class)} instead.
 *
 * @param <T> the type of the desired object
 * @param json the reader producing the Json from which the object is to be deserialized.
 * @param classOfT the class of T
 * @return an object of type T from the string
 * @throws JsonIOException if there was a problem reading from the Reader
 * @throws JsonSyntaxException if json is not a valid representation for an object of type
 * @since 1.2
 */
public <T> T fromJson(Reader json, Class<T> classOfT) throws JsonSyntaxException, JsonIOException {
  JsonReader jsonReader = new JsonReader(json);
  Object object = fromJson(jsonReader, classOfT);
  assertFullConsumption(object, jsonReader);
  return Primitives.wrap(classOfT).cast(object);
}

/**
 * This method deserializes the Json read from the specified reader into an object of the
 * specified class. It is not suitable to use if the specified class is a generic type since it
 * will not have the generic type information because of the Type Erasure feature of Java.
 * Therefore, this method should not be used if the desired type is a generic type. Note that
 * this method works fine if the any of the fields of the specified object are generics, just the
 * object itself should not be a generic type. For the cases when the object is of generic type,
 * invoke {@link #fromJson(Reader, Type)}. If you have the Json in a String form instead of a
 * {@link Reader}, use {@link #fromJson(String, Class)} instead.
 *
 * @param <T> the type of the desired object
 * @param json the reader producing the Json from which the object is to be deserialized.
 * @param classOfT the class of T
 * @return an object of type T from the string
 * @throws JsonIOException if there was a problem reading from the Reader
 * @throws JsonSyntaxException if json is not a valid representation for an object of type
 * @since 1.2
 */
public <T> T fromJson(Reader json, Class<T> classOfT) throws JsonSyntaxException, JsonIOException {
  JsonReader jsonReader = new JsonReader(json);
  Object object = fromJson(jsonReader, classOfT);
  assertFullConsumption(object, jsonReader);
  return Primitives.wrap(classOfT).cast(object);
}