Java tutorial
/** * Copyright (C) 2009-2012 the original author or authors. See the notice.md file distributed with * this work for additional information regarding copyright ownership. * * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except * in compliance with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software distributed under the License * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express * or implied. See the License for the specific language governing permissions and limitations under * the License. */ package com.brazoft.foundation.gwt.client.util; import com.google.gwt.core.client.JavaScriptObject; import com.google.gwt.core.client.JsArrayString; public class MessageFormat { public static <T> String format(final String pattern, final T... args) { if (null == args || 0 == args.length) return pattern; JsArrayString array = JavaScriptObject.createArray().cast(); for (Object arg : args) { array.push(String.valueOf(arg)); } return nativeFormat(pattern, array); } private static native String nativeFormat(final String format, final JsArrayString args)/*-{ return format.replace(/{(\d+)}/g, function(match, number) { return typeof args[number] != 'undefined' ? args[number] : match; }); }-*/; }