/* * Copyright (C) 2005-2014 Alfresco Software Limited. * * This file is part of Alfresco * * Alfresco is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * Alfresco 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 Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with Alfresco. If not, see . */ package org.alfresco.repo.cache; import java.io.ByteArrayInputStream; import java.io.ByteArrayOutputStream; import java.io.ObjectInputStream; import java.io.ObjectOutputStream; import java.io.Serializable; import java.util.Collection; import org.springframework.beans.factory.BeanNameAware; /** * {@link SimpleCache} implementation backed by a {@link DefaultSimpleCache} but forcing * object serialization in and out. This is only useful for tests. * * @author Derek Hulley * @since 4.2.3 */ public final class SerializingSimpleCache implements SimpleCache, BeanNameAware { private SimpleCache cache; public SerializingSimpleCache(int maxItems, String cacheName) { cache = new DefaultSimpleCache<>(maxItems, cacheName); } public SerializingSimpleCache() { cache = new DefaultSimpleCache<>(); } @SuppressWarnings("unchecked") private V serialize(V value) { if (value == null) { return null; } try { ByteArrayOutputStream bos = new ByteArrayOutputStream(); ObjectOutputStream oos = new ObjectOutputStream(bos); oos.writeObject(value); byte[] bytes = bos.toByteArray(); ByteArrayInputStream bis = new ByteArrayInputStream(bytes); ObjectInputStream ois = new ObjectInputStream(bis); V ret = (V) ois.readObject(); // This is just test code! bos.close(); oos.close(); bis.close(); ois.close(); // Done return ret; } catch (Exception e) { throw new RuntimeException("Failure to serialize/deserialize object: " + value, e); } } @Override public boolean contains(K key) { return cache.contains(key); } @Override public Collection getKeys() { return cache.getKeys(); } @Override public V get(K key) { V ret = cache.get(key); return serialize(ret); } @Override public void put(K key, V value) { value = serialize(value); cache.put(key, value); } @Override public void remove(K key) { cache.remove(key); } @Override public void clear() { cache.clear(); } @Override public void setBeanName(String cacheName) { } }