PropertiesTranslationService.java :  » OSGi » antilia » com » antilia » letsplay » service » Java Open Source

/**
 * 
 */
package com.antilia.letsplay.service;

import java.io.IOException;
import java.util.HashMap;
import java.util.Properties;

import com.antilia.common.util.StringUtils;
import com.antilia.letsplay.domain.ITranslatable;
import com.google.api.translate.Language;

/**
 * @author  Ernesto Reinaldo Barreiro (reiern70@gmail.com)
 *
 */
public class PropertiesTranslationService implements ITranslationService {
  
  private Language from = Language.ENGLISH;
  
  private Language to = Language.SPANISH;
  
  private static final int NO_PORT = -1;
  
  private HashMap<String, Properties> properties = new HashMap<String, Properties>();
  
  /**
   * 
   */
  public PropertiesTranslationService() {
  }

  /* (non-Javadoc)
   * @see org.inqle.ui.model.ITranslationService#translate(org.inqle.ui.model.ITranslatable)
   */
  @Override
  public String translate(ITranslatable translatable, com.antilia.letsplay.Language original, com.antilia.letsplay.Language target) {
    String key = translatable.getTranslationKey().toLowerCase();
    if(!StringUtils.isEmpty(key)) {
      try {
        return translate(key, original, target);
      } catch (Exception e) {
        // TODO: handle exception
        e.printStackTrace();
      }
    }
    return key;
  }
  
  private String translate(String key, com.antilia.letsplay.Language original, com.antilia.letsplay.Language target) throws IOException {
    Properties properties = getProperties(original, target);
    if(properties != null) {
      String trans = properties.getProperty(key);
      if(trans != null)
        return trans;
    }
    return key;
  }
  
  private Properties getProperties(com.antilia.letsplay.Language original, com.antilia.letsplay.Language target) throws IOException{
    String propertyFile = "words_" + original.getShortName() + "_" +target.getShortName()+".properties";
    Properties propert = this.properties.get(propertyFile);
    if(propert == null) {
      propert = new Properties();
      propert.load(PropertiesTranslationService.class.getResourceAsStream(propertyFile ));    
    }
    return propert;
  }
    
  protected String getProxyHost() {
    return null;
  }
  
  protected int getProxyPort() {
    return NO_PORT;
  }

  public Language getFrom() {
    return from;
  }

  public void setFrom(Language from) {
    this.from = from;
  }

  public Language getTo() {
    return to;
  }

  public void setTo(Language to) {
    this.to = to;
  }

}