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.

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org/apache/log4j/lf5/DefaultLF5Configurator.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.lf5;

import java.io.IOException;
import java.io.InputStream;
import java.net.URL;

import org.apache.log4j.PropertyConfigurator;
import org.apache.log4j.spi.Configurator;
import org.apache.log4j.spi.LoggerRepository;

/**
 * The <code>DefaultLF5Configurator</code> provides a default
 * configuration for the <code>LF5Appender</code>.
 *
 * Note: The preferred method for configuring a <code>LF5Appender</code>
 * is to use the <code>LF5Manager</code> class. This class ensures
 * that configuration does not occur multiple times, and improves system
 * performance. Reconfiguring the monitor multiple times can result in
 * unexpected behavior.
 *
 * @author Brent Sprecher
 */

// Contributed by ThoughtWorks Inc.

public class DefaultLF5Configurator implements Configurator {
  //--------------------------------------------------------------------------
  // Constants:
  //--------------------------------------------------------------------------

  //--------------------------------------------------------------------------
  // Protected Variables:
  //--------------------------------------------------------------------------

  //--------------------------------------------------------------------------
  // Private Variables:
  //--------------------------------------------------------------------------

  //--------------------------------------------------------------------------
  // Constructors:
  //--------------------------------------------------------------------------
  /**
   * This class should never be instantiated! It implements the <code>
   * Configurator</code>
   * interface, but does not provide the same functionality as full
   * configurator class.
   */
  private DefaultLF5Configurator() {

  }

  //--------------------------------------------------------------------------
  // Public Methods:
  //--------------------------------------------------------------------------
  /**
   * This method configures the <code>LF5Appender</code> using a
   * default configuration file. The default configuration file is
   * <bold>defaultconfig.properties</bold>.
   * @throws java.io.IOException
   */
  public static void configure() throws IOException {
    String resource =
        "/org/apache/log4j/lf5/config/defaultconfig.properties";
    URL configFileResource =
        DefaultLF5Configurator.class.getResource(resource);

    if (configFileResource != null) {
      PropertyConfigurator.configure(configFileResource);
    } else {
      throw new IOException("Error: Unable to open the resource" +
          resource);
    }

  }

  /**
   * This is a dummy method that will throw an
   * <code>IllegalStateException</code> if used.
   * 
   * @since 1.2.17
   */
  public void doConfigure(InputStream inputStream, LoggerRepository repository) {
    throw new IllegalStateException("This class should NOT be instantiated!");
  }

  /**
   * This is a dummy method that will throw an
   * <code>IllegalStateException</code> if used.
   */
  public void doConfigure(URL configURL, LoggerRepository repository) {
    throw new IllegalStateException("This class should NOT be instantiated!");
  }

  //--------------------------------------------------------------------------
  // Protected Methods:
  //--------------------------------------------------------------------------

  //--------------------------------------------------------------------------
  // Private Methods:
  //--------------------------------------------------------------------------

  //--------------------------------------------------------------------------
  // Nested Top-Level Classes or Interfaces:
  //--------------------------------------------------------------------------

}

org/apache/log4j/lf5/DefaultLF5Configurator.java

 

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2015-12-14, 29531👍, 0💬