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    1   /*
    2    * Licensed to the Apache Software Foundation (ASF) under one or more
    3    * contributor license agreements.  See the NOTICE file distributed with
    4    * this work for additional information regarding copyright ownership.
    5    * The ASF licenses this file to You under the Apache License, Version 2.0
    6    * (the "License"); you may not use this file except in compliance with
    7    * the License.  You may obtain a copy of the License at
    8    *
    9    *      http://www.apache.org/licenses/LICENSE-2.0
    10   *
    11   * Unless required by applicable law or agreed to in writing, software
    12   * distributed under the License is distributed on an "AS IS" BASIS,
    13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14   * See the License for the specific language governing permissions and
    15   * limitations under the License.
    16   */
    17
    18  package org.apache.log4j.chainsaw.help;
    19
    20  import org.apache.log4j.LogManager;
    21  import org.apache.log4j.chainsaw.Generator;
    22  import org.apache.log4j.plugins.Plugin;
    23  import org.apache.log4j.plugins.PluginRegistry;
    24  import org.apache.log4j.spi.LoggerRepository;
    25  import org.apache.log4j.spi.LoggerRepositoryEx;
    26
    27  /**
    28   * A runnable element that installs into the Log4j environment some fake Receivers
    29   * which generates events for use as a tutorial.
    30   *
    31   * @author Paul Smith
    32   */
    33  public class Tutorial implements Runnable {
    34    /* (non-Javadoc)
    35     * @see java.lang.Runnable#run()
    36     */
    37    public void run() {
    38        Plugin p1 = new Generator("Generator 1");
    39        Plugin p2 = new Generator("Generator 2");
    40        Plugin p3 = new Generator("Generator 3");
    41
    42        LoggerRepository repo = LogManager.getLoggerRepository();
    43        if (repo instanceof LoggerRepositoryEx) {
    44        	PluginRegistry pluginRegistry = ((LoggerRepositoryEx) repo).getPluginRegistry();
    45          pluginRegistry.addPlugin(p1);
    46          p1.activateOptions();
    47          pluginRegistry.addPlugin(p2);
    48          p2.activateOptions();
    49          pluginRegistry.addPlugin(p3);
    50          p3.activateOptions();
    51        }
    52
    53    }
    54  }