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    1   /**
    2    * Copyright (c) 2004-2011 QOS.ch
    3    * All rights reserved.
    4    *
    5    * Permission is hereby granted, free  of charge, to any person obtaining
    6    * a  copy  of this  software  and  associated  documentation files  (the
    7    * "Software"), to  deal in  the Software without  restriction, including
    8    * without limitation  the rights to  use, copy, modify,  merge, publish,
    9    * distribute,  sublicense, and/or sell  copies of  the Software,  and to
    10   * permit persons to whom the Software  is furnished to do so, subject to
    11   * the following conditions:
    12   *
    13   * The  above  copyright  notice  and  this permission  notice  shall  be
    14   * included in all copies or substantial portions of the Software.
    15   *
    16   * THE  SOFTWARE IS  PROVIDED  "AS  IS", WITHOUT  WARRANTY  OF ANY  KIND,
    17   * EXPRESS OR  IMPLIED, INCLUDING  BUT NOT LIMITED  TO THE  WARRANTIES OF
    18   * MERCHANTABILITY,    FITNESS    FOR    A   PARTICULAR    PURPOSE    AND
    19   * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
    20   * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
    21   * OF CONTRACT, TORT OR OTHERWISE,  ARISING FROM, OUT OF OR IN CONNECTION
    22   * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
    23   *
    24   */
    25  package org.slf4j.helpers;
    26
    27  import java.util.ArrayList;
    28  import java.util.HashMap;
    29  import java.util.List;
    30  import java.util.Map;
    31  import java.util.concurrent.LinkedBlockingQueue;
    32
    33  import org.slf4j.ILoggerFactory;
    34  import org.slf4j.Logger;
    35  import org.slf4j.event.SubstituteLoggingEvent;
    36
    37  /**
    38   * SubstituteLoggerFactory manages instances of {@link SubstituteLogger}.
    39   *
    40   * @author Ceki G&uuml;lc&uuml;
    41   * @author Chetan Mehrotra
    42   */
    43  public class SubstituteLoggerFactory implements ILoggerFactory {
    44
    45      boolean postInitialization = false;
    46
    47      final Map<String, SubstituteLogger> loggers = new HashMap<String, SubstituteLogger>();
    48
    49      final LinkedBlockingQueue<SubstituteLoggingEvent> eventQueue = new LinkedBlockingQueue<SubstituteLoggingEvent>();
    50
    51      synchronized public  Logger getLogger(String name) {
    52          SubstituteLogger logger = loggers.get(name);
    53          if (logger == null) {
    54              logger = new SubstituteLogger(name, eventQueue, postInitialization);
    55              loggers.put(name, logger);
    56          }
    57          return logger;
    58      }
    59
    60      public List<String> getLoggerNames() {
    61          return new ArrayList<String>(loggers.keySet());
    62      }
    63
    64      public List<SubstituteLogger> getLoggers() {
    65          return new ArrayList<SubstituteLogger>(loggers.values());
    66      }
    67
    68      public LinkedBlockingQueue<SubstituteLoggingEvent> getEventQueue() {
    69          return eventQueue;
    70      }
    71
    72      public void postInitialization() {
    73      	postInitialization = true;
    74      }
    75
    76      public void clear() {
    77          loggers.clear();
    78          eventQueue.clear();
    79      }
    80  }