/* * #%L * Gravia :: Repository * %% * Copyright (C) 2012 - 2014 JBoss by Red Hat * %% * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * #L% */ package org.jboss.gravia.repository.spi; import java.util.HashMap; import java.util.Map; import org.jboss.gravia.repository.RepositoryWriter; /** * An abstract content handler. * * @author thomas.diesler@jboss.com * @since 12-Jun-2012 */ public abstract class AbstractContentHandler implements RepositoryWriter.ContentHandler { private final Map<Class<?>, Object> contextItems = new HashMap<>(); @Override @SuppressWarnings("unchecked") public <T> T addContextItem(Class<T> type, T obj) { return (T) contextItems.put(type, obj); } @Override @SuppressWarnings("unchecked") public <T> T removeContextItem(Class<T> type) { return (T) contextItems.remove(type); } @Override @SuppressWarnings("unchecked") public <T> T getContextItem(Class<T> type) { return (T) contextItems.get(type); } }