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 29 public Vector vector; 30 31 public VectorAppender() { 32 vector = new Vector(); 33 } 34 35 /** 36 Does nothing. 37 */ 38 public void activateOptions() { 39 } 40 41 42 /** 43 This method is called by the {@link AppenderSkeleton#doAppend} 44 method. 45 46 */ 47 public void append(LoggingEvent event) { 48 //System.out.println("---Vector appender called with message ["+event.getRenderedMessage()+"]."); 49 //System.out.flush(); 50 try { 51 Thread.sleep(100); 52 } catch(Exception e) { 53 } 54 vector.addElement(event); 55 } 56 57 public Vector getVector() { 58 return vector; 59 } 60 61 public synchronized void close() { 62 if(this.closed) 63 return; 64 this.closed = true; 65 } 66 67 68 public boolean isClosed() { 69 return closed; 70 } 71 72 public boolean requiresLayout() { 73 return false; 74 } 75 }