Here you can find the source of formatMessage(final String pattern, final Object... params)
public static String formatMessage(final String pattern, final Object... params)
//package com.java2s; /*!//from www . j a va 2 s .c om * This program is free software; you can redistribute it and/or modify it under the * terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software * Foundation. * * You should have received a copy of the GNU Lesser General Public License along with this * program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html * or from the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * * 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. * * Copyright (c) 2002-2013 Pentaho Corporation.. All rights reserved. */ import java.text.MessageFormat; public class Main { public static String formatMessage(final String pattern, final Object... params) { try { return MessageFormat.format(pattern, params); } catch (Exception e) { return '!' + pattern + '!'; } } }