1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/src/net/fortuna/ical4j/util/EncoderFactory.java Tue Feb 10 18:12:00 2015 +0100 1.3 @@ -0,0 +1,95 @@ 1.4 +/** 1.5 + * Copyright (c) 2012, Ben Fortuna 1.6 + * All rights reserved. 1.7 + * 1.8 + * Redistribution and use in source and binary forms, with or without 1.9 + * modification, are permitted provided that the following conditions 1.10 + * are met: 1.11 + * 1.12 + * o Redistributions of source code must retain the above copyright 1.13 + * notice, this list of conditions and the following disclaimer. 1.14 + * 1.15 + * o Redistributions in binary form must reproduce the above copyright 1.16 + * notice, this list of conditions and the following disclaimer in the 1.17 + * documentation and/or other materials provided with the distribution. 1.18 + * 1.19 + * o Neither the name of Ben Fortuna nor the names of any other contributors 1.20 + * may be used to endorse or promote products derived from this software 1.21 + * without specific prior written permission. 1.22 + * 1.23 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1.24 + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 1.25 + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 1.26 + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 1.27 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 1.28 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 1.29 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 1.30 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 1.31 + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 1.32 + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 1.33 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 1.34 + */ 1.35 +package net.fortuna.ical4j.util; 1.36 + 1.37 +import java.io.UnsupportedEncodingException; 1.38 + 1.39 +import net.fortuna.ical4j.model.parameter.Encoding; 1.40 + 1.41 +import org.apache.commons.codec.BinaryEncoder; 1.42 +import org.apache.commons.codec.StringEncoder; 1.43 + 1.44 +/** 1.45 + * Abstract base class for encoder factory implementations. 1.46 + * 1.47 + * $Id$ 1.48 + * 1.49 + * Created on 13/05/2006 1.50 + * 1.51 + * @author Ben Fortuna 1.52 + */ 1.53 +public abstract class EncoderFactory { 1.54 + 1.55 + /** 1.56 + * The system property used to specify an alternate 1.57 + * <code>EncoderFactory</code> implementation. 1.58 + */ 1.59 + public static final String KEY_FACTORY_CLASS = "net.fortuna.ical4j.factory.encoder"; 1.60 + 1.61 + private static EncoderFactory instance; 1.62 + static { 1.63 + try { 1.64 + final Class factoryClass = Class.forName(Configurator.getProperty(KEY_FACTORY_CLASS)); 1.65 + instance = (EncoderFactory) factoryClass.newInstance(); 1.66 + } 1.67 + catch (Exception e) { 1.68 + instance = new DefaultEncoderFactory(); 1.69 + } 1.70 + } 1.71 + 1.72 + /** 1.73 + * @return Returns the instance. 1.74 + */ 1.75 + public static final EncoderFactory getInstance() { 1.76 + return instance; 1.77 + } 1.78 + 1.79 + /** 1.80 + * Returns a new {@link BinaryEncoder} for the specified encoding. 1.81 + * @param encoding an encoding type 1.82 + * @return a {@link BinaryEncoder} instance 1.83 + * @throws UnsupportedEncodingException where an encoder supporting the 1.84 + * specified encoding is not available. 1.85 + */ 1.86 + public abstract BinaryEncoder createBinaryEncoder(Encoding encoding) 1.87 + throws UnsupportedEncodingException; 1.88 + 1.89 + /** 1.90 + * Returns a new {@link StringEncoder} for the specified encoding. 1.91 + * @param encoding an encoding type 1.92 + * @return a {@link StringEncoder} instance 1.93 + * @throws UnsupportedEncodingException where an encoder supporting the 1.94 + * specified encoding is not available. 1.95 + */ 1.96 + public abstract StringEncoder createStringEncoder(Encoding encoding) 1.97 + throws UnsupportedEncodingException; 1.98 +}