package de.fhdw.wtf.common.token;
   
   /**
    * A multi char token represents a scanned part of the input grammar. Each token-type defines a regular sequence of
    * characters belonging to its type.
    * 
    * This type is the interface describing variable tokens.
    */
   public abstract class MultiCharToken extends Token {
  	
  	/**
  	 * generated.
  	 */
  	private static final long serialVersionUID = -7790580991639162261L;
  	
  	/**
  	 * String-Represantation of the Token.
  	 * 
  	 */
  	private final String tokenString;
  	
  	/**
  	 * Constructor initializing the position of this token.
  	 * 
  	 * @param tokenString
  	 *            initial token String
  	 * @param position
  	 *            begin position of this token
  	 */
  	protected MultiCharToken(final String tokenString, final Position position) {
  		super(position);
  		this.tokenString = tokenString;
  	}
  	
  	@Override
  	public int getLength() {
  		return this.getTokenString().length();
  	}
  	
  	/**
  	 * Getter for the token string.
  	 * 
  	 * @return token string
  	 */
  	public String getTokenString() {
  		return this.tokenString;
  	}
  	
  	@Override
  	public String stringRepresentation() {
  		return this.getTokenString();
  	}
  }