/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 *
 * The contents of this file are subject to the Netscape Public License
 * Version 1.0 (the "NPL"); you may not use this file except in
 * compliance with the NPL.  You may obtain a copy of the NPL at
 * http://www.mozilla.org/NPL/
 *
 * Software distributed under the NPL is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
 * for the specific language governing rights and limitations under the
 * NPL.
 *
 * The Initial Developer of this code under the NPL is Netscape
 * Communications Corporation.  Portions created by Netscape are
 * Copyright (C) 1998 Netscape Communications Corporation.  All Rights
 * Reserved.
 */

package netscape.npasw;

import netscape.npasw.*;
import java.io.*;
import java.lang.*;

public class ReggieStream extends DataInputStream
{
    public ReggieStream( InputStream is )
    {
        super( is );
    }

    public String nextToken() throws Exception
    {
        byte        buffer[] = null;
        int         nBuffSize = 0;
        String      string = null;

        //Trace.TRACE( "nextToken has:" + this.available() );
        nBuffSize = this.readInt();
        //Trace.TRACE( "nBuffSize: " + nBuffSize );
        if ( nBuffSize == 0 )
            string = "";
        else if ( nBuffSize > 0 && nBuffSize < 4096 )
        {
            buffer = new byte[ nBuffSize ];
            //Trace.TRACE( "trying to read buffer" );
            this.readFully( buffer );
            //Trace.TRACE( "creating string" );
            string = new String( buffer );
        }
        else
            throw new MalformedReggieStreamException( "invalid length for identifier" );

        //Trace.TRACE( string );
        return string;
    }
}