Examples with DataTypeSerializerContext org.lanternpowered.server.data.persistence.DataTypeSerializerContext used on opensource projects

Example 6 with DataTypeSerializerContext

use of org.lanternpowered.server.data.persistence.DataTypeSerializerContext in project LanternServer by LanternPowered.

the class CommandSetData method completeSpec.

@Override
public void completeSpec(PluginContainer pluginContainer, CommandSpec.Builder specBuilder) {
    final ThreadLocal<Key<?>> currentKey = new ThreadLocal<>();
    specBuilder.arguments(GenericArguments.playerOrSource(Text.of("player")), new PatternMatchingCommandElement(Text.of("key")) {

        @Override
        protected Iterable<String> getChoices(CommandSource source) {
            return Sponge.getGame().getRegistry().getAllOf(Key.class).stream().map(Key::getId).collect(Collectors.toList());
        }

        @Override
        protected Object getValue(String choice) throws IllegalArgumentException {
            final Optional<Key> ret = Sponge.getGame().getRegistry().getType(Key.class, choice);
            if (!ret.isPresent()) {
                throw new IllegalArgumentException("Invalid input " + choice + " was found");
            }
            currentKey.set(ret.get());
            return ret.get();
        }
    }, new CommandElement(Text.of("data")) {

        @Nullable
        @Override
        protected Object parseValue(CommandSource source, CommandArgs args) throws ArgumentParseException {
            args.next();
            final String content = args.getRaw().substring(args.getRawPosition()).trim();
            while (args.hasNext()) {
                args.next();
            }
            final Object data;
            try {
                // Don't be too strict
                data = JsonDataFormat.read(content, true).orElse(null);
            } catch (IOException e) {
                throw args.createError(t("Invalid json data: %s\nError: %s", content, e.getMessage()));
            }
            final Key key = currentKey.get();
            final TypeToken<?> typeToken = key.getElementToken();
            if (content.isEmpty()) {
                return null;
            }
            final DataTypeSerializer dataTypeSerializer = Lantern.getGame().getDataManager().getTypeSerializer(typeToken).orElse(null);
            if (dataTypeSerializer == null) {
                throw args.createError(Text.of("Unable to deserialize the data key value: {}, " + "no supported deserializer exists.", key.getId()));
            } else {
                final DataTypeSerializerContext context = Lantern.getGame().getDataManager().getTypeSerializerContext();
                try {
                    // Put it in a holder object, the command element separates iterable objects
                    return new ValueHolder(dataTypeSerializer.deserialize(typeToken, context, data));
                } catch (InvalidDataException e) {
                    throw args.createError(t("Invalid data: %s", e.getMessage()));
                }
            }
        }

        @Override
        public List<String> complete(CommandSource src, CommandArgs args, CommandContext context) {
            return new ArrayList<>();
        }
    }).executor((src, args) -> {
        final Player target = args.<Player>getOne("player").get();
        final Key key = args.<Key>getOne("key").get();
        final Object data = args.<ValueHolder>getOne("data").get().data;
        target.offer(key, data);
        src.sendMessage(t("Successfully offered the data for the key %s to the player %s", key.getId(), target.getName()));
        return CommandResult.success();
    });
}