package com.trendmicro.grid.acl.ds.trivial;
   
   import com.trendmicro.grid.acl.commons.LocaleXmlAdapter;
   
   import javax.xml.bind.annotation.*;
   import javax.xml.bind.annotation.adapters.XmlJavaTypeAdapter;
   import java.util.*;
   
   /**
   * Implements an I18N aware definition base class.
   *
   * @author juergen_kellerer, 2011-01-19
   * @version 1.0
   */
  @XmlAccessorType(XmlAccessType.FIELD)
  @XmlType(namespace = I18NAwareDefinition.NS)
  public abstract class I18NAwareDefinition {
  
  	public static final String NS = "urn:com.trendmicro.grid.acl.ds.trivial.Categories";
  
  	@XmlElement(name = "locale")
  	@XmlElementWrapper(name = "availableLocales")
  	@XmlJavaTypeAdapter(LocaleXmlAdapter.class)
  	private List<Locale> availableLocales;
  
  	private transient Set<String> availableCountryCodes;
  
  	public I18NAwareDefinition() {
  	}
  
  	protected I18NAwareDefinition(List<Locale> availableLocales) {
  		this.availableLocales = availableLocales;
  	}
  
  	/**
  	 * Returns a unique name identifying this definition.
  	 *
  	 * @return a unique name identifying this definition.
  	 */
  	public abstract String getName();
  
  	/**
  	 * Returns a list of all locales that this definition should be available in.
  	 *
  	 * @return a list of all locales that this definition should be available in.
  	 */
  	public List<Locale> getAvailableLocales() {
  		return availableLocales == null ? Collections.<Locale>emptyList() : availableLocales;
  	}
  
  	/**
  	 * Returns true is this definition is available in the given locale.
  	 *
  	 * @param locale the locale to verify.
  	 * @return true is this definition is available in the given locale.
  	 */
  	public boolean isAvailableInLocale(Locale locale) {
  		if (availableCountryCodes == null) {
  			Set<String> countries = new HashSet<String>();
  			for (Locale l : getAvailableLocales())
  				countries.add(l.getCountry());
  			availableCountryCodes = countries;
  		}
  
  		final String countryCode = locale.getCountry();
  		return availableCountryCodes.isEmpty() || availableCountryCodes.contains(countryCode);
  	}
  }