package doc.client;
import java.util.ArrayList;
import doc.bo.Document;
import doc.bo.DocumentSearcher;

/**
 * Client class of the DocumentSearcher. It's the interface to the enduser
 * @author Michael Glatter-Götz
 * <PRE>
 *         ID       date        description
 *         michael 02.10.2006   creation
 * </PRE>
 **/
public class DocumentClient
{
    /**
     * Main method which handles the command line parameters given by the user
     * @param asArgs Array of parameters
     **/
    public static void main(String[] asArgs)
    {
        DocumentSearcher oDocumentSearcher = new DocumentSearcher();
        
        if ((asArgs[0].contentEquals("-findAll")) && (asArgs.length == 1))
        {
            ArrayList<Document> _aoAllDocuments = oDocumentSearcher.findAll();
            
            for (Document i : _aoAllDocuments)
            {
                System.out.println(i.toString());
            }
        }
        
        else if ((asArgs[0].contentEquals("-find")) && (asArgs.length == 2))
        {
            ArrayList<Document> aoFoundDocuments = oDocumentSearcher.findByAuthor(asArgs[1]);
            
            for (Document i : aoFoundDocuments)
            {
                System.out.println(i.toString());
            }
        }
        
        else 
        {
            usage();
        }
    }
    
    /**
     * Prints usage information for the DocumentClient
     **/
    public static void usage()
    {
        String sOut = "";
        sOut += "Usage of the DocumentClient:\n";
        sOut += "DocumentClient action [search string]\n\n";
        sOut += "action:\n";
        sOut += "    -findAll        finds and prints all documents\n";
        sOut += "    -find [param]   finds all documents written by the given author (param)";
        
        System.out.println(sOut);
    }
}