/**
*    
*/
import java.io.*;
import java.util.Vector;
import javax.swing.*;					   
import java.awt.*;

public class LetterGenerator
{
	private TagsCollection tagC;
	
    public LetterGenerator( TagsCollection tc )
    {
		tagC = tc;
    }
    
    // creates a Letter(s) 
    public Vector generate( LetterTemplate t, Vector v )
    {
        Vector vletter = new Vector();
        for ( int i = 0; i < v.size(); i++ )
        {
            Customer cust = (Customer) v.elementAt( i );
            String tag = t.getNextTag();
			String body = null;
			body = t.getTemplate();
			while ( tag != null )
            {
				Tags temptag = (Tags)tagC.getRecord(tag);
				String fieldValue = "";
				if ( temptag != null )
					fieldValue = cust.getFieldValue( temptag.getValue() );
				else
				{
					Tags temp = new Tags();
					temp.setTag( tag );
					fieldValue = temp.getTag();
				}
				body = t.replaceTag( body, tag, fieldValue );
				tag = t.getNextTag();
				if ( tag == null )
					System.out.println("tag is null");
            }
            Letter let = new Letter( body, cust ); 
            vletter.addElement( let );
            t.setcurpos( 0 );
        }
        return vletter;
    }
    
        
}