BackupDaoJaxb.java

/*
 * Copyright 2006-2014 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 org.jrecruiter.dao.jaxb;

import java.io.InputStream;

import javax.xml.transform.stream.StreamSource;

import org.jrecruiter.dao.BackupDao;
import org.jrecruiter.model.export.Backup;
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;

/**
 * @author hillert
 *
 */
@Repository("backupDao")
public class BackupDaoJaxb implements BackupDao {

	/** Logger declaration */
	private static final Logger LOGGER = LoggerFactory.getLogger(BackupDaoJaxb.class);

	private @Autowired Jaxb2Marshaller marshaller;

	/**
	 *
	 */
	public BackupDaoJaxb() {
	}

	/* (non-Javadoc)
	 * @see org.jrecruiter.service.DemoService#restore(java.io.InputStream)
	 */
	@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.getRoles().size()      + " roles, "
								  + backup.getJobs().size()       + " jobs, "
								  + backup.getIndustries().size() + " industries, and "
								  + backup.getRegions().size()    + " regions.");

		return backup;

	}

}