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import com.fasterxml.jackson.databind.ObjectMapper;
import io.micronaut.context.annotation.Requires;
import jakarta.inject.Singleton;

import java.util.Arrays;
import java.util.List;

@Singleton
@Requires(classes = ObjectMapper.class)
public class JsonExample {

    private final ObjectMapper objectMapper;

    public JsonExample(ObjectMapper objectMapper) {
        this.objectMapper = objectMapper;
    }

    public String convertListToJson() {
        try {
            List<String> list = Arrays.asList("Apple", "Banana", "Cherry");
            // Liste in JSON umwandeln
            return objectMapper.writeValueAsString(list);
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }
    }
}