Examples with JsonMapper org.jdbi.v3.json.JsonMapper used on opensource projects

Example 1 with JsonMapper

use of org.jdbi.v3.json.JsonMapper in project jdbi by jdbi.

the class JsonColumnMapperFactory method build.

@Override
public Optional<ColumnMapper<?>> build(Type type, ConfigRegistry config) {
    ColumnMappers cm = config.get(ColumnMappers.class);
    // look for specialized json support first, revert to simple String mapping if absent
    ColumnMapper<String> jsonStringMapper = JdbiOptionals.findFirstPresent(() -> cm.findFor(QualifiedType.of(String.class).with(EncodedJson.class)), () -> cm.findFor(String.class)).orElseThrow(() -> new UnableToProduceResultException(JSON_NOT_RETRIEVABLE));
    final JsonMapper mapper = config.get(JsonConfig.class).getJsonMapper();
    return Optional.of((rs, i, ctx) -> mapper.fromJson(type, Optional.ofNullable(jsonStringMapper.map(rs, i, ctx)).orElse(// sql null -> json null
    "null"), config));
}