Java tutorial
/* * Copyright 2002-2011 the original author or authors. * * 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. */ package com.devnexus.ting.core.dao.jaxb; import java.io.InputStream; import javax.xml.transform.stream.StreamSource; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.oxm.jaxb.Jaxb2Marshaller; import org.springframework.stereotype.Repository; import com.devnexus.ting.core.dao.BackupDao; import com.devnexus.ting.model.Backup; /** * @author Gunnar Hillert * @since 2.0 * */ @Repository("backupDao") public class BackupDaoJaxb implements BackupDao { /** Logger declaration */ private static final Logger LOGGER = LoggerFactory.getLogger(BackupDaoJaxb.class); @Autowired private Jaxb2Marshaller marshaller; /** * */ public BackupDaoJaxb() { } @Override public Backup convertToBackupData(final InputStream inputStream) { final StreamSource source = new StreamSource(inputStream); final Backup backup = (Backup) marshaller.unmarshal(source); LOGGER.info("Restoring: " + backup.getUsers().size() + " users, " + backup.getEvents().size() + " events, " + backup.getOrganizers().size() + " organizers, " + backup.getPresentations().size() + " presentations, and " + backup.getSpeakers().size() + " speakers."); return backup; } }