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/**
 * COOS - Connected Objects Operating System (www.connectedobjects.org).
 *
 * Copyright (C) 2009 Telenor ASA and Tellu AS. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This library is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published
 * by the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see .
 *
 * You may also contact one of the following for additional information:
 * Telenor ASA, Snaroyveien 30, N-1331 Fornebu, Norway (www.telenor.no)
 * Tellu AS, Hagalokkveien 13, N-1383 Asker, Norway (www.tellu.no)
 */
package org.coos.util.macro;

/**
 * Constants for Macro substituter
 * 
 * @author Robert Bjarum, Tellu AS
 * 
 */
public interface MacroConstants {
	String MACRO_PREFIX = "${";
	String MACRO_SUFFIX = "}";
	String EXPAND_COLON = ":";
	public static char ESCAPE_CHAR = '\\';
	String EXPAND_USE = EXPAND_COLON + "-"; // Use Default Values
	String EXPAND_ASSIGN = EXPAND_COLON + "="; // Assign Default values
	String EXPAND_DISPLAY_ERROR = EXPAND_COLON + "?"; // Display Error if Null
														// or Unset
	String EXPAND_USE_ALTERNATE = EXPAND_COLON + "+"; // Use Alternate Value
}