texttranslator_impl.java

来自「ejb3 java session bean」· Java 代码 · 共 46 行

package com.example.translator;

import java.rmi.Remote;
import java.rmi.RemoteException;
import java.util.HashSet;
import java.util.Locale;
import java.util.Set;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import com.example.translator.spi.Dictionary;
import com.example.translator.spi.DictionaryFactory;

public class TextTranslator_Impl implements TextTranslator, Remote {

  private static Set clientNames = new HashSet();

  private static final Log log = LogFactory.getLog(TextTranslator_Impl.class);

  public String translate(String text, String sourceLanguage,
      String targetLanguage) throws DictionaryNotAvailable,
      TextNotTranslatable, RemoteException {
    Locale sourceLocale = new Locale(sourceLanguage);
    Locale targetLocale = new Locale(targetLanguage);
    DictionaryFactory dictionaryFactory = DictionaryFactory.getInstance(
        sourceLocale, targetLocale);
    Dictionary dictionary = dictionaryFactory.createDictionary(sourceLocale,
        targetLocale);
    return dictionary.translate(text);
  }

  public void quoteTranslation(String clientName, String text,
      String sourceLanguage, String targetLanguage) throws RemoteException {
    log.debug("received quotation request: clientName=" + clientName);
    clientNames.add(clientName);
  }

  public QuoteStatus getQuotationStatus(String clientName)
      throws RemoteException {
    QuoteStatus quoteStatus = clientNames.contains(clientName) ? QuoteStatus.received
        : QuoteStatus.none;
    return quoteStatus;
  }
}