Java tutorial
/* * Copyright 2014 FlatCap Studios. * * Licensed 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 launcher; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.io.IOException; import java.io.OutputStream; import org.apache.commons.io.output.CountingOutputStream; /** * * @author FranklinL <franko@franklinl.com> */ public class DownloadCountingOutputStream extends CountingOutputStream { private ActionListener listener = null; public DownloadCountingOutputStream(OutputStream out) { super(out); } public void setListener(ActionListener listener) { this.listener = listener; } @Override protected void afterWrite(int n) throws IOException { super.afterWrite(n); if (listener != null) { listener.actionPerformed(new ActionEvent(this, 0, null)); } } }