import com.google.cloud.translate.Translate.TranslateOption; //导入依赖的package包/类
/**
 * Translate the source text from source to target language.
 *
 * @param sourceText source text to be translated
 * @param sourceLang source language of the text
 * @param targetLang target language of translated text
 * @return source text translated into target language.
 */
public static String translateText(
    String sourceText,
    String sourceLang,
    String targetLang) {
  if (Strings.isNullOrEmpty(sourceLang)
      || Strings.isNullOrEmpty(targetLang)
      || sourceLang.equals(targetLang)) {
    return sourceText;
  }
  com.google.cloud.translate.Translate translate = createTranslateService();
  TranslateOption srcLang = TranslateOption.sourceLanguage(sourceLang);
  TranslateOption tgtLang = TranslateOption.targetLanguage(targetLang);

  Translation translation = translate.translate(sourceText, srcLang, tgtLang);
  return translation.getTranslatedText();
}
 

import com.google.cloud.translate.Translate.TranslateOption; //导入依赖的package包/类
public static void main(String... args) throws Exception {
  // Instantiates a client
  Translate translate = TranslateOptions.getDefaultInstance().getService();

  // The text to translate
  String text = "Hello, world!";

  // Translates some text into Russian
  Translation translation =
      translate.translate(
          text,
          TranslateOption.sourceLanguage("en"),
          TranslateOption.targetLanguage("ru"));


  System.out.printf("Text: %s%n", text);
  System.out.printf("Translation: %s%n", translation.getTranslatedText());
}
 

import com.google.cloud.translate.Translate.TranslateOption; //导入依赖的package包/类
/**
 * Translate the source text from source to target language.
 * Make sure that your project is whitelisted.
 *
 * @param sourceText source text to be translated
 * @param sourceLang source language of the text
 * @param targetLang target language of translated text
 * @param out print stream
 */
public static void translateTextWithOptionsAndModel(
    String sourceText,
    String sourceLang,
    String targetLang,
    PrintStream out) {

  Translate translate = createTranslateService();
  TranslateOption srcLang = TranslateOption.sourceLanguage(sourceLang);
  TranslateOption tgtLang = TranslateOption.targetLanguage(targetLang);

  // Use translate `model` parameter with `base` and `nmt` options.
  TranslateOption model = TranslateOption.model("nmt");

  Translation translation = translate.translate(sourceText, srcLang, tgtLang, model);
  out.printf("Source Text:\n\tLang: %s, Text: %s\n", sourceLang, sourceText);
  out.printf("TranslatedText:\n\tLang: %s, Text: %s\n", targetLang,
      translation.getTranslatedText());
}
 

import com.google.cloud.translate.Translate.TranslateOption; //导入依赖的package包/类
/**
 * Translate the source text from source to target language.
 *
 * @param sourceText source text to be translated
 * @param sourceLang source language of the text
 * @param targetLang target language of translated text
 * @param out print stream
 */
public static void translateTextWithOptions(
    String sourceText,
    String sourceLang,
    String targetLang,
    PrintStream out) {

  Translate translate = createTranslateService();
  TranslateOption srcLang = TranslateOption.sourceLanguage(sourceLang);
  TranslateOption tgtLang = TranslateOption.targetLanguage(targetLang);

  Translation translation = translate.translate(sourceText, srcLang, tgtLang);
  out.printf("Source Text:\n\tLang: %s, Text: %s\n", sourceLang, sourceText);
  out.printf("TranslatedText:\n\tLang: %s, Text: %s\n", targetLang,
      translation.getTranslatedText());
}
 

import com.google.cloud.translate.Translate.TranslateOption; //导入依赖的package包/类
public GoogleTranslateApiPageOutput(TaskSource taskSource, Schema inputSchema, Schema outputSchema, PageOutput output) {
    this.task = taskSource.loadTask(PluginTask.class);
    this.outputSchema = outputSchema;
    this.inputColumns = inputSchema.getColumns();
    this.reader = new PageReader(inputSchema);
    this.builder = new PageBuilder(Exec.getBufferAllocator(), outputSchema, output);
    this.keyNameColumns = Lists.newArrayList();
    for (String keyName : task.getKeyNames()) {
        this.keyNameColumns.add(outputSchema.lookupColumn(keyName));
    }
    this.translate = createTranslateService();

    this.srcLang = task.getSourceLang().isPresent() ? TranslateOption.sourceLanguage(task.getSourceLang().get()) : null;
    this.model = task.getModel().isPresent() ? TranslateOption.model(task.getModel().get()) : null;
}
 

import com.google.cloud.translate.Translate.TranslateOption; //导入依赖的package包/类
/**
 * @param texts
 * @return
 */
private List<Translation> translate(List<String> texts) {
    TranslateOption[] translateOptions = new TranslateOption[] {};
    if (srcLang != null) {
        translateOptions = ArrayUtils.add(translateOptions, srcLang);
    }
    if (model != null) {
        translateOptions = ArrayUtils.add(translateOptions, model);
    }
    return translate.translate(texts, translateOptions);
}
 

import com.google.cloud.translate.Translate.TranslateOption; //导入依赖的package包/类
public String translate(String text, String languageFrom,
		String languageTo) {
	Translation translation = translate.translate(text,
			TranslateOption.sourceLanguage(languageFrom),
			TranslateOption.targetLanguage(languageTo));

	String translatedText = translation.getTranslatedText();
	log.trace("Translating {} [{}] to [{}] ... result={}", text,
			languageFrom, languageTo, translatedText);
	return translatedText;
}