| /* |
| * 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.core.impl; |
| |
| import org.apache.logging.log4j.message.Message; |
| import org.apache.logging.log4j.util.StringBuilderFormattable; |
| |
| import java.util.Arrays; |
| |
| /** |
| * <em>Consider this class private.</em> |
| * |
| * {@link MementoMessage} is intended to be used when we need to make an |
| * immutable copy of a {@link Message} without forgetting the original |
| * {@link Message#getFormat()} and {@link Message#getParameters()} values. |
| * |
| * @since 3.0 |
| */ |
| public final class MementoMessage implements Message, StringBuilderFormattable { |
| |
| private final String formattedMessage; |
| private final String format; |
| private final Object[] parameters; |
| |
| public MementoMessage(final String formattedMessage, final String format, final Object[] parameters) { |
| this.formattedMessage = formattedMessage; |
| this.format = format; |
| this.parameters = parameters; |
| } |
| |
| @Override |
| public String getFormattedMessage() { |
| return formattedMessage; |
| } |
| |
| @Override |
| public String getFormat() { |
| return format; |
| } |
| |
| @Override |
| public Object[] getParameters() { |
| return parameters; |
| } |
| |
| /** |
| * Always returns null. |
| * |
| * @return null |
| */ |
| @Override |
| public Throwable getThrowable() { |
| return null; |
| } |
| |
| @Override |
| public void formatTo(final StringBuilder buffer) { |
| buffer.append(formattedMessage); |
| } |
| |
| @Override |
| public String toString() { |
| return "MementoMessage{" + |
| "formattedMessage='" + formattedMessage + '\'' + |
| ", format='" + format + '\'' + |
| ", parameters=" + Arrays.toString(parameters) + |
| '}'; |
| } |
| } |