/* * Copyright (c) 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 David Berkman * * This file is part of the SmallMind Code Project. * * The SmallMind Code Project is free software, you can redistribute * it and/or modify it under either, at your discretion... * * 1) The terms of GNU Affero General Public License as published by the * Free Software Foundation, either version 3 of the License, or (at * your option) any later version. * * ...or... * * 2) The terms of the Apache License, Version 2.0. * * The SmallMind Code Project is distributed in the hope that it will * be useful, but WITHOUT ANY WARRANTY; without even the implied warranty * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License or Apache License for more details. * * You should have received a copy of the GNU Affero General Public License * and the Apache License along with the SmallMind Code Project. If not, see * <http://www.gnu.org/licenses/> or <http://www.apache.org/licenses/LICENSE-2.0>. * * Additional permission under the GNU Affero GPL version 3 section 7 * ------------------------------------------------------------------ * If you modify this Program, or any covered work, by linking or * combining it with other code, such other code is not for that reason * alone subject to any of the requirements of the GNU Affero GPL * version 3. */ package org.smallmind.nutsnbolts.io; import java.io.IOException; import java.io.Writer; import org.smallmind.nutsnbolts.util.WeakEventListenerList; public class StenographWriter extends Writer { private final WeakEventListenerList<StenographEventListener> listenerList = new WeakEventListenerList<StenographEventListener>(); private StringBuilder stenographBuilder = new StringBuilder(); @Override public synchronized void write (char[] cbuf, int off, int len) throws IOException { stenographBuilder.append(cbuf, off, len); } @Override public synchronized void flush () throws IOException { fireFlush(); } @Override public synchronized void close () throws IOException { fireFlush(); } private void fireFlush () { StenographEvent event = new StenographEvent(this, stenographBuilder.toString()); for (StenographEventListener listener : listenerList) { listener.flush(event); } stenographBuilder.delete(0, stenographBuilder.length()); } public synchronized void addStenographListener (StenographEventListener stenographEventListener) { listenerList.addListener(stenographEventListener); } public synchronized void removeStenographListener (StenographEventListener stenographEventListener) { listenerList.removeListener(stenographEventListener); } }