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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.Layout;
    22  import org.apache.log4j.spi.LoggingEvent;
    23  import org.apache.log4j.helpers.OptionConverter;
    24  import org.apache.log4j.helpers.Transform;
    25  import org.apache.log4j.helpers.LogLog;
    26
    27  /***
    28     An appender that appends logging events to a vector.
    29     @author Ceki  G&uuml;lc&uuml;
    30  */
    31  public class VectorAppender extends AppenderSkeleton {
    32
    33    public Vector vector;
    34
    35    public VectorAppender() {
    36      vector = new Vector();
    37    }
    38
    39    /***
    40       Does nothing.
    41    */
    42    public void activateOptions() {
    43    }
    44
    45
    46    /***
    47       This method is called by the {@link AppenderSkeleton#doAppend}
    48       method.
    49
    50    */
    51    public void append(LoggingEvent event) {
    52      //System.out.println("---Vector appender called with message ["+event.getRenderedMessage()+"].");
    53      //System.out.flush();
    54      try {
    55        Thread.currentThread().sleep(100);
    56      } catch(Exception e) {
    57      }
    58      vector.addElement(event);
    59     }
    60
    61    public Vector getVector() {
    62      return vector;
    63    }
    64
    65    public synchronized void close() {
    66      if(this.closed)
    67        return;
    68      this.closed = true;
    69    }
    70
    71
    72    public boolean isClosed() {
    73      return closed;
    74    }
    75
    76    public boolean requiresLayout() {
    77      return false;
    78    }
    79  }