Source code

001package org.apache.archiva.repository.features;
002
003/*
004 * Licensed to the Apache Software Foundation (ASF) under one
005 * or more contributor license agreements.  See the NOTICE file
006 * distributed with this work for additional information
007 * regarding copyright ownership.  The ASF licenses this file
008 * to you under the Apache License, Version 2.0 (the
009 * "License"); you may not use this file except in compliance
010 * with the License.  You may obtain a copy of the License at
011 *
012 *  http://www.apache.org/licenses/LICENSE-2.0
013 *
014 * Unless required by applicable law or agreed to in writing,
015 * software distributed under the License is distributed on an
016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
017 * KIND, either express or implied.  See the License for the
018 * specific language governing permissions and limitations
019 * under the License.
020 */
021
022import org.apache.archiva.event.Event;
023import org.apache.archiva.event.EventHandler;
024
025import java.util.ArrayList;
026import java.util.Collection;
027import java.util.List;
028
029public class AbstractFeature {
030    private List<EventHandler> listener = new ArrayList<>();
031
032    AbstractFeature() {
033
034    }
035
036    AbstractFeature(EventHandler listener) {
037        this.listener.add(listener);
038    }
039
040    AbstractFeature(Collection<EventHandler> listeners) {
041        this.listener.addAll(listeners);
042    }
043
044    public void addListener(EventHandler listener) {
045        if (!this.listener.contains(listener)) {
046            this.listener.add(listener);
047        }
048        this.listener.add(listener);
049    }
050
051    public void removeListener(EventHandler listener) {
052        this.listener.remove(listener);
053    }
054
055    public void clearListeners() {
056        this.listener.clear();
057    }
058
059    public void pushEvent(Event event) {
060        for(EventHandler listr : listener) {
061            listr.handle(event);
062        }
063    }
064
065
066}