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 * Enables use of <code>{}</code> parameter markers in message strings. 21 * <p> 22 * Creates {@link ParameterizedMessage} instances for {@link #newMessage(String, Object...)}. 23 * </p> 24 * <p> 25 * This class is immutable. 26 * </p> 27 */ 28 public final class ParameterizedMessageFactory extends AbstractMessageFactory { 29 private static final long serialVersionUID = -8970940216592525651L; 30 31 /** 32 * Constructs a message factory. 33 */ 34 public ParameterizedMessageFactory() { 35 super(); 36 } 37 38 /** 39 * Instance of ParameterizedMessageFactory. 40 */ 41 public static final ParameterizedMessageFactory INSTANCE = new ParameterizedMessageFactory(); 42 43 /** 44 * Creates {@link ParameterizedMessage} instances. 45 * 46 * @param message The message pattern. 47 * @param params The message parameters. 48 * @return The Message. 49 * 50 * @see MessageFactory#newMessage(String, Object...) 51 */ 52 @Override 53 public Message newMessage(final String message, final Object... params) { 54 return new ParameterizedMessage(message, params); 55 } 56 }