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 Gülcü 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 }