juplo.de Git - demos/kafka/chat/blob - src/main/java/de/juplo/kafka/chat/backend/persistence/storage/files/FilesStorageConfiguration.java

   1 package de.juplo.kafka.chat.backend.persistence.storage.files;
   2
   3 import com.fasterxml.jackson.databind.ObjectMapper;
   4 import de.juplo.kafka.chat.backend.ChatBackendProperties;
   5 import de.juplo.kafka.chat.backend.persistence.StorageStrategy;
   6 import de.juplo.kafka.chat.backend.persistence.inmemory.InMemoryChatRoomService;
   7 import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
   8 import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
   9 import org.springframework.boot.autoconfigure.data.mongo.MongoRepositoriesAutoConfiguration;
  10 import org.springframework.boot.autoconfigure.mongo.MongoAutoConfiguration;
  11 import org.springframework.context.annotation.Bean;
  12 import org.springframework.context.annotation.Configuration;
  13
  14 import java.nio.file.Paths;
  15 import java.time.Clock;
  16
  17
  18 @ConditionalOnProperty(
  19     prefix = "chat.backend",
  20     name = "storage",
  21     havingValue = "files",
  22     matchIfMissing = true)
  23 @Configuration
  24 @EnableAutoConfiguration(
  25     exclude = {
  26         MongoRepositoriesAutoConfiguration.class,
  27         MongoAutoConfiguration.class })
  28 public class FilesStorageConfiguration
  29 {
  30   @Bean
  31   public StorageStrategy storageStrategy(
  32       ChatBackendProperties properties,
  33       Clock clock,
  34       ObjectMapper mapper)
  35   {
  36     return new FilesStorageStrategy(
  37         Paths.get(properties.getStorageDirectory()),
  38         clock,
  39         properties.getChatroomBufferSize(),
  40         messageFlux -> new InMemoryChatRoomService(messageFlux),
  41         mapper);
  42   }
  43 }