/* * Copyright 2010 BetaSteward_at_googlemail.com. All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are * permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY BetaSteward_at_googlemail.com ``AS IS'' AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BetaSteward_at_googlemail.com OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * The views and conclusions contained in the software and documentation are those of the * authors and should not be interpreted as representing official policies, either expressed * or implied, of BetaSteward_at_googlemail.com. */ package mage.util; import java.io.ByteArrayInputStream; import java.io.IOException; import java.io.ObjectInputStream; import java.io.ObjectOutputStream; import java.util.zip.GZIPInputStream; import java.util.zip.GZIPOutputStream; /** * * @author BetaSteward_at_googlemail.com * @param <T> */ public class Copier<T> { private static ClassLoader loader; public static void setLoader(ClassLoader loader) { Copier.loader = loader; } public T copy(T obj) { T copy = null; try { FastByteArrayOutputStream fbos = new FastByteArrayOutputStream(); ObjectOutputStream out= new ObjectOutputStream(fbos); // Write the object out to a byte array out.writeObject(obj); out.flush(); out.close(); // Retrieve an input stream from the byte array and read // a copy of the object back in. ObjectInputStream in = new CopierObjectInputStream(loader, fbos.getInputStream()); copy = (T) in.readObject(); } catch(IOException | ClassNotFoundException e) { e.printStackTrace(); } return copy; } public byte[] copyCompressed(T obj) { try { FastByteArrayOutputStream fbos = new FastByteArrayOutputStream(); ObjectOutputStream out= new ObjectOutputStream(new GZIPOutputStream(fbos)); // Write the object out to a byte array out.writeObject(obj); out.flush(); out.close(); byte[] copy = new byte[fbos.getSize()]; System.arraycopy(fbos.getByteArray(), 0, copy, 0, fbos.getSize()); return copy; } catch(IOException e) { e.printStackTrace(); } return null; } public T uncompressCopy(byte[] buffer) { T copy = null; try (ObjectInputStream in = new CopierObjectInputStream(loader, new GZIPInputStream(new ByteArrayInputStream(buffer)))) { copy = (T) in.readObject(); } catch(IOException | ClassNotFoundException e) { e.printStackTrace(); } return copy; } }