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/util/ResourceUtils.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.util;

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

/**
 * ResourceUtils.  Provide a set of convenience methods for working with
 * Resources.
 *
 * @see org.apache.log4j.lf5.util.Resource
 *
 * @author Michael J. Sikorsky
 * @author Robert Shaw
 */

// Contributed by ThoughtWorks Inc.

public class ResourceUtils {
  //--------------------------------------------------------------------------
  //   Constants:
  //--------------------------------------------------------------------------

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

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

  //--------------------------------------------------------------------------
  //   Constructors:
  //--------------------------------------------------------------------------

  //--------------------------------------------------------------------------
  //   Public Methods:
  //--------------------------------------------------------------------------

  /**
   * Get the InputStream for this resource.  Note: to convert an InputStream
   * into an InputReader, use: new InputStreamReader(InputStream).
   *
   * @param object   The object to grab the Classloader from.
   *                 This parameter is quite important from a
   *                 visibility of resources standpoint as the
   *                 hierarchy of Classloaders plays a role.
   *
   * @param resource The resource to load.
   *
   * @return If the Resource was found, the InputStream, otherwise null.
   *
   * @see Resource
   * @see #getResourceAsURL(Object,Resource)
   * @see InputStream
   */
  public static InputStream getResourceAsStream(Object object, Resource resource) {
    ClassLoader loader = object.getClass().getClassLoader();

    InputStream in = null;

    if (loader != null) {
      in = loader.getResourceAsStream(resource.getName());
    } else {
      in = ClassLoader.getSystemResourceAsStream(resource.getName());
    }

    return in;
  }

  /**
   * Get the URL for this resource.
   *
   * @param object   The object to grab the Classloader from.
   *                 This parameter is quite important from a
   *                 visibility of resources standpoint as the
   *                 hierarchy of Classloaders plays a role.
   *
   * @param resource The resource to load.
   *
   * @return If the Resource was found, the URL, otherwise null.
   *
   * @see Resource
   * @see #getResourceAsStream(Object,Resource)
   */
  public static URL getResourceAsURL(Object object, Resource resource) {
    ClassLoader loader = object.getClass().getClassLoader();

    URL url = null;

    if (loader != null) {
      url = loader.getResource(resource.getName());
    } else {
      url = ClassLoader.getSystemResource(resource.getName());
    }

    return (url);
  }

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

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

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

}






org/apache/log4j/lf5/util/ResourceUtils.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
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