Java

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Java 函式庫係 Maven Central 頂高个 com.getlingara:lingara-java。佢愛 Java 17 抑係較新个版本，用 JDK 自家个 java.net.http.HttpClient，JSON 就用 Jackson 來處理。

用起來仰般

呼叫係同步个。愛同時做當多隻，就放在虛擬執行緒抑係執行器頂高行。
串流係一隻 EventStream，佢同時係 Iterable 摎 AutoCloseable：在 try-with-resources 肚用 for 迴圈來讀佢。事件係密封介面下背个記錄類別，所以對佢兜做 switch 係窮盡个。
想愛取消，做得中斷該條執行緒，抑係對另外一條執行緒呼叫 close()。恁樣呼叫就會拋出 CancellationException，這毋係函式庫个錯誤之一。
錯誤繼承自 LingaraException，係一隻非受檢例外。retryAfter() 會回傳 Optional<Duration>。
用 LingaraClient.builder() 來建構用戶端。毋係串流个呼叫，在你設定 requestTimeout 以前係無逾時限制个。

下背个範例會加入相依套件、建立用戶端、用串流拿一份詞彙清單，還有處理錯誤。

Java

<dependency>
  <groupId>com.getlingara</groupId>
  <artifactId>lingara-java</artifactId>
  <version>0.1.0-alpha.6</version>
</dependency>

Java

import com.getlingara.client.LingaraClient;

LingaraClient client =
    LingaraClient.builder()
        .clientCredentials(
            System.getenv("LINGARA_CLIENT_ID"), System.getenv("LINGARA_CLIENT_SECRET"))
        .build();

Java

import com.getlingara.client.model.GenerateVocabularyEvent;
import com.getlingara.client.model.VocabRequest;

VocabRequest request = new VocabRequest().level(2).sourceLang("en").targetLang("zh").count(8);
try (EventStream<GenerateVocabularyEvent> stream = client.generateVocabulary(request)) {
  for (GenerateVocabularyEvent event : stream) {
    if (event instanceof GenerateVocabularyEvent.Item item) {
      System.out.println(item.data().getWord() + " " + item.data().getTranslation());
    }
  }
}

Java

try {
  client.getUsage();
} catch (LingaraException e) {
  if (e instanceof ApiException api) {
    // A refusal from the API: status(), code() (stable) and getMessage() (localised).
    System.out.println(api.status() + " " + api.code() + " " + api.getMessage());
    api.retryAfter().ifPresent(wait -> System.out.println("retry after " + wait));
  } else if (e instanceof OAuthException oauth) {
    // The token endpoint refused the credentials or the scopes.
    System.out.println(oauth.status() + " " + oauth.error() + " " + oauth.description());
  } else if (e instanceof MaintenanceException maintenance) {
    System.out.println("under maintenance");
    maintenance.retryAfter().ifPresent(wait -> System.out.println("retry after " + wait));
  } else if (e instanceof TransportException transport) {
    // No usable answer: CONNECT, TLS, RESET, TIMEOUT, and so on.
    System.out.println("transport: " + transport.kind());
  }
}
// An interrupted call throws java.util.concurrent.CancellationException instead.

Java

用起來仰般

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