| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.log4j.varia; |
| |
| import org.apache.logging.log4j.core.LogEvent; |
| import org.apache.logging.log4j.core.appender.AbstractAppender; |
| |
| import javax.swing.DefaultListModel; |
| import javax.swing.ListModel; |
| |
| |
| /** |
| * A very basic appender that takes the events and stores them in to a |
| * ListModel for late retrieval. |
| * |
| * |
| * @author Paul Smith (psmith@apache.org) |
| * |
| */ |
| public final class ListModelAppender extends AbstractAppender { |
| /** |
| * Default list model. |
| */ |
| private final DefaultListModel<LogEvent> model = new DefaultListModel<>(); |
| |
| /** |
| * Constructs a ListModelAppender. |
| */ |
| public ListModelAppender() { |
| super("ListModelAppender", null, null); |
| } |
| /** |
| * Returns a reference to the ListModel that contains all the LoggingEvents |
| * that have been appended to this class. |
| * |
| * @return the list model |
| */ |
| public ListModel getModel() { |
| return model; |
| } |
| |
| public void append(final LogEvent event) { |
| model.addElement(event); |
| } |
| |
| public void stop() { |
| clearModel(); |
| } |
| |
| /** |
| * Removes all the Events from the model. |
| */ |
| public void clearModel() { |
| model.clear(); |
| } |
| |
| } |