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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;
    19
    20  import java.util.Vector;
    21  import org.apache.log4j.spi.LoggingEvent;
    22
    23  /**
    24     An appender that appends logging events to a vector.
    25     @author Ceki  G&uuml;lc&uuml;
    26  */
    27  public class VectorAppender extends AppenderSkeleton {
    28    public Vector vector;
    29
    30    long delay = 0;
    31
    32    public VectorAppender() {
    33      super(true);
    34      vector = new Vector();
    35    }
    36
    37
    38    public void append(LoggingEvent event) {
    39      if(delay > 0) {
    40        try {
    41          Thread.sleep(delay);
    42        } catch (Exception e) {
    43        }
    44      }
    45
    46      vector.addElement(event);
    47    }
    48
    49    /**
    50     * Returns a vector of {@link LoggingEvent}.
    51     * @return a vector of {@link LoggingEvent}.
    52     */
    53    public Vector getVector() {
    54      return vector;
    55    }
    56
    57    public synchronized void close() {
    58      if (this.closed) {
    59        return;
    60      }
    61
    62      this.closed = true;
    63    }
    64
    65    public boolean isClosed() {
    66      return closed;
    67    }
    68
    69    public boolean requiresLayout() {
    70      return false;
    71    }
    72
    73    /**
    74     * Returns a delay to log.
    75     * @return delay to log
    76     */
    77    public long getDelay() {
    78      return delay;
    79    }
    80
    81    /**
    82     * Sets a delay to log.
    83     * @param delay delay to log
    84     */
    85    public void setDelay(long delay) {
    86      this.delay = delay;
    87    }
    88
    89  }