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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/PropertiesPatternConverter.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; import java.util.Iterator; import java.util.Set; import org.apache.log4j.helpers.*; /** * Able to handle the contents of the LoggingEvent's Property bundle and either * output the entire contents of the properties in a similar format to the * java.util.Hashtable.toString(), or to output the value of a specific key * within the property bundle * when this pattern converter has the option set. * * @author Paul Smith * @author Ceki Gülcü */ public final class PropertiesPatternConverter extends LoggingEventPatternConverter { /** * Name of property to output. */ private final String option; /** * Private constructor. * @param options options, may be null. */ private PropertiesPatternConverter( final String[] options) { super( ((options != null) && (options.length > 0)) ? ("Property{" + options[0] + "}") : "Properties", "property"); if ((options != null) && (options.length > 0)) { option = options[0]; } else { option = null; } } /** * Obtains an instance of PropertiesPatternConverter. * @param options options, may be null or first element contains name of property to format. * @return instance of PropertiesPatternConverter. */ public static PropertiesPatternConverter newInstance( final String[] options) { return new PropertiesPatternConverter(options); } /** * {@inheritDoc} */ public void format(final LoggingEvent event, final StringBuffer toAppendTo) { // if there is no additional options, we output every single // Key/Value pair for the MDC in a similar format to Hashtable.toString() if (option == null) { toAppendTo.append("{"); try { Set keySet = MDCKeySetExtractor.INSTANCE.getPropertyKeySet(event); if (keySet != null) { for (Iterator i = keySet.iterator(); i.hasNext();) { Object item = i.next(); Object val = event.getMDC(item.toString()); toAppendTo.append("{").append(item).append(",").append(val).append( "}"); } } } catch(Exception ex) { LogLog.error("Unexpected exception while extracting MDC keys", ex); } toAppendTo.append("}"); } else { // otherwise they just want a single key output Object val = event.getMDC(option); if (val != null) { toAppendTo.append(val); } } } }
⏎ org/apache/log4j/pattern/PropertiesPatternConverter.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, 62590👍, 0💬
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