StringUtil.java

/*******************************************************************************
 * Signavio Core Components
 * Copyright (C) 2012  Signavio GmbH
 * 
 * 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 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 General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/
/**
 * 
 */
package com.signavio.platform.util;

/**
 * @author Bjoern Wagner
 *
 */
public class StringUtil {

	public static String formatString(String str, String ... params) {
		if (params == null) {
			return str;
		}
		for (int i = 0; i < params.length; i++) {
			if (params[i] != null) {
				str = str.replaceAll("\\{" + Integer.toString(i) + "\\}", params[i]);
			} else {
				str = str.replaceAll("\\{" + Integer.toString(i) + "\\}", "#null");
			}
		}
		return str;
	}
}