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Source Code for Apache Log4j 1.2.17
Apache Log4j provides the interface that applications should code to and provides the adapter components required for implementers to create a logging implementation.
Bytecode (Java 1.4) for Apache Log4j is provided in a JAR file like log4j-1.2.17.jar.
Source Code files for Apache Log4j are provided in both binary packge like log4j-1.2.17.zip and source package like log4j-1.2.17-sources.zip. You can download them at Apache Log4j Website.
You can also browse Source Code files for Apache Log4j 1.2.17 below.
✍: FYIcenter.com
⏎ org/apache/log4j/pattern/RelativeTimePatternConverter.java
/* * 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.log4j.pattern; import org.apache.log4j.spi.LoggingEvent; /** * Return the relative time in milliseconds since loading of the LoggingEvent * class. * * @author Ceki Gülcü */ public class RelativeTimePatternConverter extends LoggingEventPatternConverter { /** * Cached formatted timestamp. */ private CachedTimestamp lastTimestamp = new CachedTimestamp(0, ""); /** * Private constructor. */ public RelativeTimePatternConverter() { super("Time", "time"); } /** * Obtains an instance of RelativeTimePatternConverter. * @param options options, currently ignored, may be null. * @return instance of RelativeTimePatternConverter. */ public static RelativeTimePatternConverter newInstance( final String[] options) { return new RelativeTimePatternConverter(); } /** * {@inheritDoc} */ public void format(final LoggingEvent event, final StringBuffer toAppendTo) { long timestamp = event.timeStamp; if (!lastTimestamp.format(timestamp, toAppendTo)) { final String formatted = Long.toString(timestamp - LoggingEvent.getStartTime()); toAppendTo.append(formatted); lastTimestamp = new CachedTimestamp(timestamp, formatted); } } /** * Cached timestamp and formatted value. */ private static final class CachedTimestamp { /** * Cached timestamp. */ private final long timestamp; /** * Cached formatted timestamp. */ private final String formatted; /** * Creates a new instance. * @param timestamp timestamp. * @param formatted formatted timestamp. */ public CachedTimestamp(long timestamp, final String formatted) { this.timestamp = timestamp; this.formatted = formatted; } /** * Appends the cached formatted timestamp to the buffer if timestamps match. * @param newTimestamp requested timestamp. * @param toAppendTo buffer to append formatted timestamp. * @return true if requested timestamp matched cached timestamp. */ public boolean format(long newTimestamp, final StringBuffer toAppendTo) { if (newTimestamp == timestamp) { toAppendTo.append(formatted); return true; } return false; } } }
⏎ org/apache/log4j/pattern/RelativeTimePatternConverter.java
Or download all of them as a single archive file:
File name: log4j-1.2.17-sources.jar File size: 481200 bytes Release date: 2012-05-06 Download
⇒ Download and Install apache-log4j-1.2.15.zip
⇐ Download and Install log4j-1.2.17.zip
2015-12-14, 63543👍, 0💬
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