package cz.cuni.amis.pogamut.ut2004.communication.translator.itemdescriptor;
   
   import java.lang.reflect.Field;
   import java.util.HashMap;
   import java.util.Iterator;
   import java.util.Map;
   import java.util.Set;
   
   /**
   * General descriptor is responsible for all items which are not by default handled by the item translator.
   * Those are usualy user-defined items thus the user can either create its own descriptor or just take this description
   * which contains only the mapping obtained directly from the ITCMessage.
   *
   * @author Ondrej
   */
  public class GeneralDescriptor extends ItemDescriptor {
  	
  	private Map<String, Object> attributes = new HashMap<String, Object>();
  
  	GeneralDescriptor(Object configMsg) {
  		for (Field field : configMsg.getClass().getDeclaredFields()) {
  			field.setAccessible(true);
  			try {
  				attributes.put(field.getName(), field.get(configMsg));
  			} catch (IllegalArgumentException e) {
  			} catch (IllegalAccessException e) {
  			} finally {
  				field.setAccessible(false);
  			}
  		}		
  	}
  
  	public boolean contains(String key) {
  		return attributes.containsKey(key);
  	}
  	
  	public Object get(String key) {
  		return attributes.get(key);
  	}
  
  	@Override
  	public String toString() {
  		Set<String> keys = attributes.keySet();
  		Iterator<String> iterator = keys.iterator();
  		String result = "", actual;
  		while (iterator.hasNext()) {
  			actual = iterator.next();
  			result += actual + ": " + attributes.get(actual) + "\n";
  		}
  		return result;
  	}
  }