/*
 * File    : Formatter.java
 * Created : 30-Mar-2004
 * By      : parg
 * 
 * Azureus - a Java Bittorrent client
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details ( see the LICENSE file ).
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package org.gudy.azureus2.plugins.utils;

import java.io.IOException;
import java.util.Comparator;
import java.util.Map;

import org.gudy.azureus2.core3.util.Constants;

/**
 * @author parg
 *
 */
public interface 
Formatters 
{
	public String BYTE_ENCODING = Constants.BYTE_ENCODING;
	public String TEXT_ENCODING = Constants.DEFAULT_ENCODING;
	
	public String
	formatByteCountToKiBEtc(
		long		bytes );
	
	public String
	formatByteCountToKiBEtcPerSec(
		long		bytes );

	public String
	formatPercentFromThousands(
		long		thousands );
	
	public String
	formatByteArray(
		byte[]		data,
		boolean		no_spaces );
	
	public String
	encodeBytesToString(
		byte[]		bytes );
	
	public byte[]
	decodeBytesFromString(
		String		str );
	
	public String
	formatDate(
		long		millis );
	
	/**
	 * @since 3.0.5.3
	 */
	public String formatTimeOnly(long millis);
	
	/**
	 * @since 3.0.5.3
	 */
	public String formatTimeOnly(long millis, boolean include_secs);

	/**
	 * @since 3.0.5.3
	 */
	public String formatDateOnly(long millis);

	
	public String
	formatTimeFromSeconds(
		long		seconds );
	
	
	/**
	 * Format seconds remaining into an ETA value.
	 * @param seconds
	 * @return
	 * @since 2.4.0.3
	 */
	public String formatETAFromSeconds( long seconds );
	
	
	
	public byte[]
	bEncode(
		Map	map )
	
		throws IOException;
	
	public Map
	bDecode(
		byte[]	data )
	
		throws IOException;
	
	public String
	base32Encode(
		byte[]		data );
	
	public byte[]
	base32Decode(
		String		data );
	
	public Comparator
	getAlphanumericComparator(
		boolean	ignore_case );
	
}
