@Test
public void itSetsFieldsWhenZeroInJson() throws IOException {
  String json = camelCase().writeValueAsString(defaultPopulatedJsonNode(camelCase()));
  HasWrappedPrimitives message = camelCase().readValue(json, HasWrappedPrimitives.class);
  assertThat(message.hasDoubleWrapper()).isTrue();
  assertThat(message.getDoubleWrapper()).isEqualTo(DoubleValue.getDefaultInstance());
  assertThat(message.hasFloatWrapper()).isTrue();
  assertThat(message.getFloatWrapper()).isEqualTo(FloatValue.getDefaultInstance());
  assertThat(message.hasInt64Wrapper()).isTrue();
  assertThat(message.getInt64Wrapper()).isEqualTo(Int64Value.getDefaultInstance());
  assertThat(message.hasUint64Wrapper()).isTrue();
  assertThat(message.getUint64Wrapper()).isEqualTo(UInt64Value.getDefaultInstance());
  assertThat(message.hasInt32Wrapper()).isTrue();
  assertThat(message.getInt32Wrapper()).isEqualTo(Int32Value.getDefaultInstance());
  assertThat(message.hasUint32Wrapper()).isTrue();
  assertThat(message.getUint32Wrapper()).isEqualTo(UInt32Value.getDefaultInstance());
  assertThat(message.hasBoolWrapper()).isTrue();
  assertThat(message.getBoolWrapper()).isEqualTo(BoolValue.getDefaultInstance());
  assertThat(message.hasStringWrapper()).isTrue();
  assertThat(message.getStringWrapper()).isEqualTo(StringValue.getDefaultInstance());
  assertThat(message.hasBytesWrapper()).isTrue();
  assertThat(message.getBytesWrapper()).isEqualTo(BytesValue.getDefaultInstance());
}
 

/**
 * Updates the bid modifier on a campaign criterion.
 *
 * @param googleAdsClient the Google Ads API client.
 * @param customerId the client customer ID.
 * @param campaignCriterionResourceName the campaign criterion to update.
 * @param bidModifier the bid modifier.
 */
private void modifyCampaignBids(
    GoogleAdsClient googleAdsClient,
    long customerId,
    String campaignCriterionResourceName,
    double bidModifier) {
  // Creates the campaign criterion to update.
  CampaignCriterion campaignCriterion =
      CampaignCriterion.newBuilder()
          .setResourceName(campaignCriterionResourceName)
          .setBidModifier(FloatValue.of((float) bidModifier))
          .build();

  // Creates the update operation.
  CampaignCriterionOperation operation =
      CampaignCriterionOperation.newBuilder()
          .setUpdate(campaignCriterion)
          .setUpdateMask(FieldMasks.allSetFieldsOf(campaignCriterion))
          .build();

  // Creates the campaign criterion service client.
  try (CampaignCriterionServiceClient campaignCriterionServiceClient =
      googleAdsClient.getLatestVersion().createCampaignCriterionServiceClient()) {
    // Updates the campaign criterion.
    MutateCampaignCriteriaResponse response =
        campaignCriterionServiceClient.mutateCampaignCriteria(
            Long.toString(customerId), ImmutableList.of(operation));
    System.out.printf(
        "Successfully updated the bid for campaign criterion with resource name '%s'.%n",
        response.getResults(0).getResourceName());
  }
}
 

private static HasWrappedPrimitives defaultPopulatedMessage() {
  return HasWrappedPrimitives
          .newBuilder()
          .setDoubleWrapper(DoubleValue.getDefaultInstance())
          .setFloatWrapper(FloatValue.getDefaultInstance())
          .setInt64Wrapper(Int64Value.getDefaultInstance())
          .setUint64Wrapper(UInt64Value.getDefaultInstance())
          .setInt32Wrapper(Int32Value.getDefaultInstance())
          .setUint32Wrapper(UInt32Value.getDefaultInstance())
          .setBoolWrapper(BoolValue.getDefaultInstance())
          .setStringWrapper(StringValue.getDefaultInstance())
          .setBytesWrapper(BytesValue.getDefaultInstance())
          .build();
}
 

FloatValueMarshaller() {
  super(FloatValue.getDefaultInstance());
}
 

@Override
protected final void doMerge(JsonParser parser, int unused, Message.Builder messageBuilder)
    throws IOException {
  FloatValue.Builder builder = (FloatValue.Builder) messageBuilder;
  builder.setValue(ParseSupport.parseFloat(parser));
}
 

@Override
protected final void doWrite(FloatValue message, JsonGenerator gen) throws IOException {
  SerializeSupport.printFloat(message.getValue(), gen);
}
 

@Test
public void anyFields() throws Exception {
  TestAllTypes content = TestAllTypes.newBuilder().setOptionalInt32(1234).build();
  TestAny message = TestAny.newBuilder().setAnyValue(Any.pack(content)).build();
  assertMatchesUpstream(message, TestAllTypes.getDefaultInstance());

  TestAny messageWithDefaultAnyValue =
      TestAny.newBuilder().setAnyValue(Any.getDefaultInstance()).build();
  assertMatchesUpstream(messageWithDefaultAnyValue);

  // Well-known types have a special formatting when embedded in Any.
  //
  // 1. Any in Any.
  Any anyMessage = Any.pack(Any.pack(content));
  assertMatchesUpstream(anyMessage, TestAllTypes.getDefaultInstance());

  // 2. Wrappers in Any.
  anyMessage = Any.pack(Int32Value.newBuilder().setValue(12345).build());
  assertMatchesUpstream(anyMessage, TestAllTypes.getDefaultInstance());
  anyMessage = Any.pack(UInt32Value.newBuilder().setValue(12345).build());
  assertMatchesUpstream(anyMessage, TestAllTypes.getDefaultInstance());
  anyMessage = Any.pack(Int64Value.newBuilder().setValue(12345).build());
  assertMatchesUpstream(anyMessage, TestAllTypes.getDefaultInstance());
  anyMessage = Any.pack(UInt64Value.newBuilder().setValue(12345).build());
  assertMatchesUpstream(anyMessage, TestAllTypes.getDefaultInstance());
  anyMessage = Any.pack(FloatValue.newBuilder().setValue(12345).build());
  assertMatchesUpstream(anyMessage, TestAllTypes.getDefaultInstance());
  anyMessage = Any.pack(DoubleValue.newBuilder().setValue(12345).build());
  assertMatchesUpstream(anyMessage, TestAllTypes.getDefaultInstance());
  anyMessage = Any.pack(BoolValue.newBuilder().setValue(true).build());
  assertMatchesUpstream(anyMessage, TestAllTypes.getDefaultInstance());
  anyMessage = Any.pack(StringValue.newBuilder().setValue("Hello").build());
  assertMatchesUpstream(anyMessage, TestAllTypes.getDefaultInstance());
  anyMessage =
      Any.pack(BytesValue.newBuilder().setValue(ByteString.copyFrom(new byte[] {1, 2})).build());
  assertMatchesUpstream(anyMessage, TestAllTypes.getDefaultInstance());

  // 3. Timestamp in Any.
  anyMessage = Any.pack(Timestamps.parse("1969-12-31T23:59:59Z"));
  assertMatchesUpstream(anyMessage, TestAllTypes.getDefaultInstance());

  // 4. Duration in Any
  anyMessage = Any.pack(Durations.parse("12345.10s"));
  assertMatchesUpstream(anyMessage, TestAllTypes.getDefaultInstance());

  // 5. FieldMask in Any
  anyMessage = Any.pack(FieldMaskUtil.fromString("foo.bar,baz"));
  assertMatchesUpstream(anyMessage, TestAllTypes.getDefaultInstance());

  // 6. Struct in Any
  Struct.Builder structBuilder = Struct.newBuilder();
  structBuilder.putFields("number", Value.newBuilder().setNumberValue(1.125).build());
  anyMessage = Any.pack(structBuilder.build());
  assertMatchesUpstream(anyMessage, TestAllTypes.getDefaultInstance());

  // 7. Value (number type) in Any
  Value.Builder valueBuilder = Value.newBuilder();
  valueBuilder.setNumberValue(1);
  anyMessage = Any.pack(valueBuilder.build());
  assertMatchesUpstream(anyMessage, TestAllTypes.getDefaultInstance());

  // 8. Value (null type) in Any
  anyMessage = Any.pack(Value.newBuilder().setNullValue(NullValue.NULL_VALUE).build());
  assertMatchesUpstream(anyMessage, TestAllTypes.getDefaultInstance());
}
 

@Override
public void setupModule(SetupContext context) {
  SimpleSerializers serializers = new SimpleSerializers();
  serializers.addSerializer(new MessageSerializer(config));
  serializers.addSerializer(new DurationSerializer());
  serializers.addSerializer(new FieldMaskSerializer());
  serializers.addSerializer(new ListValueSerializer());
  serializers.addSerializer(new NullValueSerializer());
  serializers.addSerializer(new StructSerializer());
  serializers.addSerializer(new TimestampSerializer());
  serializers.addSerializer(new ValueSerializer());
  serializers.addSerializer(new WrappedPrimitiveSerializer<>(DoubleValue.class));
  serializers.addSerializer(new WrappedPrimitiveSerializer<>(FloatValue.class));
  serializers.addSerializer(new WrappedPrimitiveSerializer<>(Int64Value.class));
  serializers.addSerializer(new WrappedPrimitiveSerializer<>(UInt64Value.class));
  serializers.addSerializer(new WrappedPrimitiveSerializer<>(Int32Value.class));
  serializers.addSerializer(new WrappedPrimitiveSerializer<>(UInt32Value.class));
  serializers.addSerializer(new WrappedPrimitiveSerializer<>(BoolValue.class));
  serializers.addSerializer(new WrappedPrimitiveSerializer<>(StringValue.class));
  serializers.addSerializer(new WrappedPrimitiveSerializer<>(BytesValue.class));

  context.addSerializers(serializers);

  context.addDeserializers(new MessageDeserializerFactory(config));
  SimpleDeserializers deserializers = new SimpleDeserializers();
  deserializers.addDeserializer(Duration.class, new DurationDeserializer());
  deserializers.addDeserializer(FieldMask.class, new FieldMaskDeserializer());
  deserializers.addDeserializer(ListValue.class, new ListValueDeserializer().buildAtEnd());
  deserializers.addDeserializer(NullValue.class, new NullValueDeserializer());
  deserializers.addDeserializer(Struct.class, new StructDeserializer().buildAtEnd());
  deserializers.addDeserializer(Timestamp.class, new TimestampDeserializer());
  deserializers.addDeserializer(Value.class, new ValueDeserializer().buildAtEnd());
  deserializers.addDeserializer(DoubleValue.class, wrappedPrimitiveDeserializer(DoubleValue.class));
  deserializers.addDeserializer(FloatValue.class, wrappedPrimitiveDeserializer(FloatValue.class));
  deserializers.addDeserializer(Int64Value.class, wrappedPrimitiveDeserializer(Int64Value.class));
  deserializers.addDeserializer(UInt64Value.class, wrappedPrimitiveDeserializer(UInt64Value.class));
  deserializers.addDeserializer(Int32Value.class, wrappedPrimitiveDeserializer(Int32Value.class));
  deserializers.addDeserializer(UInt32Value.class, wrappedPrimitiveDeserializer(UInt32Value.class));
  deserializers.addDeserializer(BoolValue.class, wrappedPrimitiveDeserializer(BoolValue.class));
  deserializers.addDeserializer(StringValue.class, wrappedPrimitiveDeserializer(StringValue.class));
  deserializers.addDeserializer(BytesValue.class, wrappedPrimitiveDeserializer(BytesValue.class));
  context.addDeserializers(deserializers);
  context.setMixInAnnotations(MessageOrBuilder.class, MessageOrBuilderMixin.class);
}
 

private static HasAllMapValues hasAllMapValues() {
  Value value = Value.newBuilder().setStringValue("test").build();
  ByteString byteString = ByteString.copyFromUtf8("test");
  Any any = Any
          .newBuilder()
          .setTypeUrl("type.googleapis.com/google.protobuf.Value")
          .setValue(value.toByteString())
          .build();
  return HasAllMapValues
          .newBuilder()
          .putDoubleMap("double", 1.5d)
          .putFloatMap("float", 2.5f)
          .putInt32Map("int32", 1)
          .putInt64Map("int64", 2)
          .putUint32Map("uint32", 3)
          .putUint64Map("uint64", 4)
          .putSint32Map("sint32", 5)
          .putSint64Map("sint64", 6)
          .putFixed32Map("fixed32", 7)
          .putFixed64Map("fixed64", 8)
          .putSfixed32Map("sfixed32", 9)
          .putSfixed64Map("sfixed64", 10)
          .putBoolMap("bool", true)
          .putStringMap("string", "test")
          .putBytesMap("bytes", byteString)
          .putAnyMap("any", any)
          .putDurationMap("duration", Duration.newBuilder().setSeconds(30).build())
          .putFieldMaskMap("field_mask", FieldMask.newBuilder().addPaths("path_one").addPaths("path_two").build())
          .putListValueMap("list_value", ListValue.newBuilder().addValues(value).build())
          .putNullValueMap("null_value", NullValue.NULL_VALUE)
          .putStructMap("struct", Struct.newBuilder().putFields("field", value).build())
          .putTimestampMap("timestamp", Timestamp.newBuilder().setSeconds(946684800).build())
          .putValueMap("value", value)
          .putDoubleWrapperMap("double_wrapper", DoubleValue.newBuilder().setValue(3.5d).build())
          .putFloatWrapperMap("float_wrapper", FloatValue.newBuilder().setValue(4.5f).build())
          .putInt32WrapperMap("int32_wrapper", Int32Value.newBuilder().setValue(11).build())
          .putInt64WrapperMap("int64_wrapper", Int64Value.newBuilder().setValue(12).build())
          .putUint32WrapperMap("uint32_wrapper", UInt32Value.newBuilder().setValue(13).build())
          .putUint64WrapperMap("uint64_wrapper", UInt64Value.newBuilder().setValue(14).build())
          .putBoolWrapperMap("bool_wrapper", BoolValue.newBuilder().setValue(true).build())
          .putStringWrapperMap("string_wrapper", StringValue.newBuilder().setValue("test").build())
          .putBytesWrapperMap("bytes_wrapper", BytesValue.newBuilder().setValue(byteString).build())
          .putEnumMap("enum", EnumProto3.FIRST)
          .putProto2MessageMap("proto2", AllFields.newBuilder().setString("proto2").build())
          .putProto3MessageMap("proto3", AllFieldsProto3.newBuilder().setString("proto3").build())
          .build();
}