/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.syncope.core.persistence.dao.impl;
import static org.apache.syncope.core.persistence.dao.impl.AbstractContentDealer.LOG;
import java.io.InputStream;
import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;
import org.apache.commons.io.IOUtils;
import org.apache.syncope.core.persistence.beans.SyncopeConf;
import org.apache.syncope.core.util.ContentLoaderHandler;
import org.springframework.dao.DataAccessException;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.stereotype.Component;
import org.springframework.transaction.annotation.Transactional;
/**
* Initialize Database with default content if no data is present already.
*/
@Component
public class ContentLoader extends AbstractContentDealer {
public static final String CONTENT_XML = "content.xml";
@Transactional
public void load() {
JdbcTemplate jdbcTemplate = new JdbcTemplate(dataSource);
boolean existingData;
try {
existingData = jdbcTemplate.queryForObject("SELECT COUNT(0) FROM " + SyncopeConf.class.getSimpleName(),
Integer.class) > 0;
} catch (DataAccessException e) {
LOG.error("Could not access to table " + SyncopeConf.class.getSimpleName(), e);
existingData = true;
}
if (existingData) {
LOG.info("Data found in the database, leaving untouched");
} else {
LOG.info("Empty database found, loading default content");
loadDefaultContent();
createIndexes();
createViews();
}
}
private void loadDefaultContent() {
SAXParserFactory factory = SAXParserFactory.newInstance();
InputStream in = null;
try {
in = getClass().getResourceAsStream("/" + CONTENT_XML);
SAXParser parser = factory.newSAXParser();
parser.parse(in, new ContentLoaderHandler(dataSource, ROOT_ELEMENT));
LOG.debug("Default content successfully loaded");
} catch (Exception e) {
LOG.error("While loading default content", e);
} finally {
IOUtils.closeQuietly(in);
}
}
}