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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/chainsaw/LoadXMLAction.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.chainsaw; import java.awt.event.ActionEvent; import java.io.File; import java.io.IOException; import java.io.StringReader; import javax.swing.AbstractAction; import javax.swing.JFileChooser; import javax.swing.JFrame; import javax.swing.JOptionPane; import javax.xml.parsers.ParserConfigurationException; import javax.xml.parsers.SAXParserFactory; import org.apache.log4j.Logger; import org.xml.sax.InputSource; import org.xml.sax.SAXException; import org.xml.sax.XMLReader; /** * Encapsulates the action to load an XML file. * * @author <a href="mailto:oliver@puppycrawl.com">Oliver Burn</a> * @version 1.0 */ class LoadXMLAction extends AbstractAction { /** use to log messages **/ private static final Logger LOG = Logger.getLogger(LoadXMLAction.class); /** the parent frame **/ private final JFrame mParent; /** * the file chooser - configured to allow only the selection of a * single file. */ private final JFileChooser mChooser = new JFileChooser(); { mChooser.setMultiSelectionEnabled(false); mChooser.setFileSelectionMode(JFileChooser.FILES_ONLY); } /** parser to read XML files **/ private final XMLReader mParser; /** the content handler **/ private final XMLFileHandler mHandler; /** * Creates a new <code>LoadXMLAction</code> instance. * * @param aParent the parent frame * @param aModel the model to add events to * @exception SAXException if an error occurs * @throws ParserConfigurationException if an error occurs */ LoadXMLAction(JFrame aParent, MyTableModel aModel) throws SAXException, ParserConfigurationException { mParent = aParent; mHandler = new XMLFileHandler(aModel); mParser = SAXParserFactory.newInstance().newSAXParser().getXMLReader(); mParser.setContentHandler(mHandler); } /** * Prompts the user for a file to load events from. * @param aIgnore an <code>ActionEvent</code> value */ public void actionPerformed(ActionEvent aIgnore) { LOG.info("load file called"); if (mChooser.showOpenDialog(mParent) == JFileChooser.APPROVE_OPTION) { LOG.info("Need to load a file"); final File chosen = mChooser.getSelectedFile(); LOG.info("loading the contents of " + chosen.getAbsolutePath()); try { final int num = loadFile(chosen.getAbsolutePath()); JOptionPane.showMessageDialog( mParent, "Loaded " + num + " events.", "CHAINSAW", JOptionPane.INFORMATION_MESSAGE); } catch (Exception e) { LOG.warn("caught an exception loading the file", e); JOptionPane.showMessageDialog( mParent, "Error parsing file - " + e.getMessage(), "CHAINSAW", JOptionPane.ERROR_MESSAGE); } } } /** * Loads the contents of file into the model * * @param aFile the file to extract events from * @return the number of events loaded * @throws SAXException if an error occurs * @throws IOException if an error occurs */ private int loadFile(String aFile) throws SAXException, IOException { synchronized (mParser) { // Create a dummy document to parse the file final StringBuffer buf = new StringBuffer(); buf.append("<?xml version=\"1.0\" standalone=\"yes\"?>\n"); buf.append("<!DOCTYPE log4j:eventSet "); buf.append("[<!ENTITY data SYSTEM \"file:///"); buf.append(aFile); buf.append("\">]>\n"); buf.append("<log4j:eventSet xmlns:log4j=\"Claira\">\n"); buf.append("&data;\n"); buf.append("</log4j:eventSet>\n"); final InputSource is = new InputSource(new StringReader(buf.toString())); mParser.parse(is); return mHandler.getNumEvents(); } } }
⏎ org/apache/log4j/chainsaw/LoadXMLAction.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, 62629👍, 0💬
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