1 /** 2 * This file Copyright (c) 2013 Magnolia International 3 * Ltd. (http://www.magnolia-cms.com). All rights reserved. 4 * 5 * 6 * This file is dual-licensed under both the Magnolia 7 * Network Agreement and the GNU General Public License. 8 * You may elect to use one or the other of these licenses. 9 * 10 * This file is distributed in the hope that it will be 11 * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the 12 * implied warranty of MERCHANTABILITY or FITNESS FOR A 13 * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT. 14 * Redistribution, except as permitted by whichever of the GPL 15 * or MNA you select, is prohibited. 16 * 17 * 1. For the GPL license (GPL), you can redistribute and/or 18 * modify this file under the terms of the GNU General 19 * Public License, Version 3, as published by the Free Software 20 * Foundation. You should have received a copy of the GNU 21 * General Public License, Version 3 along with this program; 22 * if not, write to the Free Software Foundation, Inc., 51 23 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 24 * 25 * 2. For the Magnolia Network Agreement (MNA), this file 26 * and the accompanying materials are made available under the 27 * terms of the MNA which accompanies this distribution, and 28 * is available at http://www.magnolia-cms.com/mna.html 29 * 30 * Any modifications to this file must keep this entire header 31 * intact. 32 * 33 */ 34 package info.magnolia.rendering.util; 35 36 import java.io.IOException; 37 import java.io.Writer; 38 39 /** 40 * Writer that outputs all the text to provided {@link Appendable} if writeEnabled is set to true. 41 */ 42 public class FilteringWriter extends Writer { 43 44 private boolean writeEnabled = true; 45 46 private final Appendable appendable; 47 48 public FilteringWriter(Appendable appendable) { 49 this.appendable = appendable; 50 } 51 52 public void setWriteEnabled(boolean writeEnabled) { 53 this.writeEnabled = writeEnabled; 54 } 55 56 @Override 57 public void write(char[] chars, int start, int end) throws IOException { 58 if (writeEnabled) { 59 appendable.append(new String(chars), start, end); 60 } 61 } 62 63 @Override 64 public void flush() throws IOException { 65 } 66 67 @Override 68 public void close() throws IOException { 69 } 70 }