| /* |
| * 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.pattern; |
| |
| import java.util.Date; |
| |
| import org.apache.logging.log4j.plugins.Plugin; |
| import org.apache.logging.log4j.util.PerformanceSensitive; |
| |
| /** |
| * Formats an integer. |
| */ |
| @Plugin(name = "IntegerPatternConverter", category = "FileConverter") |
| @ConverterKeys({ "i", "index" }) |
| @PerformanceSensitive("allocation") |
| public final class IntegerPatternConverter extends AbstractPatternConverter implements ArrayPatternConverter { |
| |
| /** |
| * Singleton. |
| */ |
| private static final IntegerPatternConverter INSTANCE = new IntegerPatternConverter(); |
| |
| /** |
| * Private constructor. |
| */ |
| private IntegerPatternConverter() { |
| super("Integer", "integer"); |
| } |
| |
| /** |
| * Obtains an instance of pattern converter. |
| * |
| * @param options options, may be null. |
| * @return instance of pattern converter. |
| */ |
| public static IntegerPatternConverter newInstance(final String[] options) { |
| return INSTANCE; |
| } |
| |
| @Override |
| public void format(final StringBuilder toAppendTo, final Object... objects) { |
| for (int i = 0; i < objects.length; i++) { |
| if (objects[i] instanceof Integer) { |
| format(objects[i], toAppendTo); |
| break; |
| } else if (objects[i] instanceof NotANumber) { |
| toAppendTo.append(NotANumber.VALUE); |
| break; |
| } |
| } |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public void format(final Object obj, final StringBuilder toAppendTo) { |
| if (obj instanceof Integer) { |
| toAppendTo.append(((Integer) obj).intValue()); |
| } else if (obj instanceof Date) { |
| toAppendTo.append(((Date) obj).getTime()); |
| } |
| } |
| } |