1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache license, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the license for the specific language governing permissions and 15 * limitations under the license. 16 */ 17 package org.apache.logging.log4j.message; 18 19 /** 20 * Factory for the simplest possible implementation of Message, the Message String given as the constructor argument. 21 * <p> 22 * Creates {@link StringFormattedMessage} instances for 23 * {@link #newMessage(String, Object...)}. 24 * </p> 25 * <p> 26 * This class is immutable. 27 * </p> 28 * @since 2.5 29 */ 30 public final class SimpleMessageFactory extends AbstractMessageFactory { 31 32 /** 33 * Instance of StringFormatterMessageFactory. 34 */ 35 public static final SimpleMessageFactory INSTANCE = new SimpleMessageFactory(); 36 37 private static final long serialVersionUID = 1L; 38 39 /** 40 * Creates {@link StringFormattedMessage} instances. 41 * 42 * @param message 43 * The message pattern. 44 * @param params 45 * The parameters to the message. 46 * @return The Message. 47 * 48 * @see MessageFactory#newMessage(String, Object...) 49 */ 50 @Override 51 public Message newMessage(final String message, final Object... params) { 52 return new SimpleMessage(message); 53 } 54 }