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Pax Logging backend implementation based on Apache Log4J2. It provides Log4J2 specific implementation of PaxLoggingService interface and Log4J2 specific configuration methods. Users may customize Log4J2 behaviour (appenders, layouts) by creating fragment attached to this bundle.

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 org.apache.logging.log4j.message;

/**
 * Enables use of {} parameter markers in message strings.
 * 
 * Creates {@link ParameterizedMessage} instances for {@link #newMessage(String, Object...)}.
 * 
 * 
 * This class is immutable.
 * 
 *
 * @version $Id: ParameterizedMessageFactory.java 1548155 2013-12-05 14:43:40Z ggregory $
 */
public final class ParameterizedMessageFactory extends AbstractMessageFactory {

    private static final long serialVersionUID = 1L;
    
    /**
     * Instance of StringFormatterMessageFactory.
     */
    public static final ParameterizedMessageFactory INSTANCE = new ParameterizedMessageFactory();

    /**
     * Creates {@link ParameterizedMessage} instances.
     * @param message The message pattern.
     * @param params The message parameters.
     * @return The Message.
     *
     * @see MessageFactory#newMessage(String, Object...)
     */
    @Override
    public Message newMessage(final String message, final Object... params) {
        return new ParameterizedMessage(message, params);
    }
}