1 package org.apache.archiva.repository.features; 2 3 /* 4 * Licensed to the Apache Software Foundation (ASF) under one 5 * or more contributor license agreements. See the NOTICE file 6 * distributed with this work for additional information 7 * regarding copyright ownership. The ASF licenses this file 8 * to you under the Apache License, Version 2.0 (the 9 * "License"); you may not use this file except in compliance 10 * with the License. You may obtain a copy of the License at 11 * 12 * http://www.apache.org/licenses/LICENSE-2.0 13 * 14 * Unless required by applicable law or agreed to in writing, 15 * software distributed under the License is distributed on an 16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 17 * KIND, either express or implied. See the License for the 18 * specific language governing permissions and limitations 19 * under the License. 20 */ 21 22 import org.apache.archiva.event.Event; 23 import org.apache.archiva.event.EventHandler; 24 25 import java.util.ArrayList; 26 import java.util.Collection; 27 import java.util.List; 28 29 public class AbstractFeature { 30 private List<EventHandler> listener = new ArrayList<>(); 31 32 AbstractFeature() { 33 34 } 35 36 AbstractFeature(EventHandler listener) { 37 this.listener.add(listener); 38 } 39 40 AbstractFeature(Collection<EventHandler> listeners) { 41 this.listener.addAll(listeners); 42 } 43 44 public void addListener(EventHandler listener) { 45 if (!this.listener.contains(listener)) { 46 this.listener.add(listener); 47 } 48 this.listener.add(listener); 49 } 50 51 public void removeListener(EventHandler listener) { 52 this.listener.remove(listener); 53 } 54 55 public void clearListeners() { 56 this.listener.clear(); 57 } 58 59 public void pushEvent(Event event) { 60 for(EventHandler listr : listener) { 61 listr.handle(event); 62 } 63 } 64 65 66 }