Java Code Examples for com.google.protobuf.Value#Builder

@Override
public void doMerge(JsonParser parser, int currentDepth, Message.Builder messageBuilder)
    throws IOException {
  Value.Builder builder = (Value.Builder) messageBuilder;
  JsonToken token = parser.currentToken();
  if (token.isBoolean()) {
    builder.setBoolValue(ParseSupport.parseBool(parser));
  } else if (token.isNumeric()) {
    builder.setNumberValue(ParseSupport.parseDouble(parser));
  } else if (token == JsonToken.VALUE_NULL) {
    builder.setNullValue(NullValue.NULL_VALUE);
  } else if (token.isScalarValue()) {
    builder.setStringValue(ParseSupport.parseString(parser));
  } else if (token == JsonToken.START_OBJECT) {
    Struct.Builder structBuilder = builder.getStructValueBuilder();
    StructMarshaller.INSTANCE.mergeValue(parser, currentDepth + 1, structBuilder);
  } else if (token == JsonToken.START_ARRAY) {
    ListValue.Builder listValueBuilder = builder.getListValueBuilder();
    ListValueMarshaller.INSTANCE.mergeValue(parser, currentDepth + 1, listValueBuilder);
  } else {
    throw new IllegalStateException("Unexpected json data: " + parser.getText());
  }
}
 

@Override
public void doMerge(JsonParser parser, int currentDepth, Message.Builder messageBuilder)
    throws IOException {
  JsonToken token = parser.currentToken();
  if (token != JsonToken.START_ARRAY) {
    throw new InvalidProtocolBufferException("Expect an array but found: " + parser.getText());
  }
  ListValue.Builder builder = (ListValue.Builder) messageBuilder;
  while (parser.nextValue() != JsonToken.END_ARRAY) {
    Value.Builder valueBuilder = builder.addValuesBuilder();
    ValueMarshaller.INSTANCE.mergeValue(parser, currentDepth + 1, valueBuilder);
  }
}
 

public KeyValue getProtoKeyValue() throws InvalidProtocolBufferException {
  Value.Builder valueBuilder = Value.newBuilder();
  try {
    valueBuilder = (Builder) ModelDBUtils.getProtoObjectFromString(value, valueBuilder);
  } catch (InvalidProtocolBufferException e) {
    LOGGER.warn("Error generating builder for {}", value);
    throw e;
  }
  return KeyValue.newBuilder()
      .setKey(key)
      .setValue(valueBuilder.build())
      .setValueTypeValue(value_type)
      .build();
}
 

/**
 * Converts Java representation of the given JSON value to protobuf's {@link
 * com.google.protobuf.Value} representation.
 *
 * <p>The given {@code rawObject} must be a valid JSON value in Java representation, which is
 * either a {@code Map<String, ?>}, {@code List<?>}, {@code String}, {@code Double},
 * {@code Boolean}, or {@code null}.
 */
private static Value convertToValue(Object rawObject) {
  Value.Builder valueBuilder = Value.newBuilder();
  if (rawObject == null) {
    valueBuilder.setNullValue(NullValue.NULL_VALUE);
  } else if (rawObject instanceof Double) {
    valueBuilder.setNumberValue((Double) rawObject);
  } else if (rawObject instanceof String) {
    valueBuilder.setStringValue((String) rawObject);
  } else if (rawObject instanceof Boolean) {
    valueBuilder.setBoolValue((Boolean) rawObject);
  } else if (rawObject instanceof Map) {
    Struct.Builder structBuilder = Struct.newBuilder();
    @SuppressWarnings("unchecked")
    Map<String, ?> map = (Map<String, ?>) rawObject;
    for (Map.Entry<String, ?> entry : map.entrySet()) {
      structBuilder.putFields(entry.getKey(), convertToValue(entry.getValue()));
    }
    valueBuilder.setStructValue(structBuilder);
  } else if (rawObject instanceof List) {
    ListValue.Builder listBuilder = ListValue.newBuilder();
    List<?> list = (List<?>) rawObject;
    for (Object obj : list) {
      listBuilder.addValues(convertToValue(obj));
    }
    valueBuilder.setListValue(listBuilder);
  }
  return valueBuilder.build();
}
 

@Override
protected void populate(
        Value.Builder builder,
        JsonParser parser,
        DeserializationContext context
) throws IOException {
  switch (parser.getCurrentToken()) {
    case START_OBJECT:
      Object structValue = readValue(builder, STRUCT_FIELD, null, parser, context);
      builder.setField(STRUCT_FIELD, structValue);
      return;
    case START_ARRAY:
      Object listValue = readValue(builder, LIST_FIELD, null, parser, context);
      builder.setField(LIST_FIELD, listValue);
      return;
    case VALUE_STRING:
      builder.setStringValue(parser.getText());
      return;
    case VALUE_NUMBER_INT:
    case VALUE_NUMBER_FLOAT:
      builder.setNumberValue(parser.getValueAsDouble());
      return;
    case VALUE_TRUE:
      builder.setBoolValue(true);
      return;
    case VALUE_FALSE:
      builder.setBoolValue(false);
      return;
    case VALUE_NULL:
      builder.setNullValue(NullValue.NULL_VALUE);
      return;
    default:
      String message = "Can not deserialize instance of com.google.protobuf.Value out of " + parser.currentToken() + " token";
      context.reportInputMismatch(Value.class, message);
      // the previous method should have thrown
      throw new AssertionError();
  }
}
 

@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 Value.Builder getNullValue(DeserializationContext ctxt) {
  return Value.newBuilder().setNullValue(NullValue.NULL_VALUE);
}