/*
* This library is part of OpenCms -
* the Open Source Content Management System
*
* Copyright (c) Alkacon Software GmbH (http://www.alkacon.com)
*
* This library 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 2.1 of the License, or (at your option) any later version.
*
* This library 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.
*
* For further information about Alkacon Software GmbH, please see the
* company website: http://www.alkacon.com
*
* For further information about OpenCms, please see the
* project website: http://www.opencms.org
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package org.opencms.setup.db.update6to7;
import org.opencms.setup.CmsSetupDBWrapper;
import org.opencms.setup.CmsSetupDb;
import org.opencms.setup.db.A_CmsUpdateDBPart;
import java.io.IOException;
import java.sql.SQLException;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
/**
* This class creates the table CMS_CONTENTS and fills it with data from the tables CMS_BACKUP_CONTENTS and CMS_ONLINE_CONTENTS.<p>
*
* @since 7.0.0
*/
public class CmsUpdateDBContentTables extends A_CmsUpdateDBPart {
/** Constant for the sql query to create the CMS_CONTENTS table.<p> */
protected static final String QUERY_CREATE_CMS_CONTENTS_TABLE = "Q_CREATE_CMS_CONTENTS_TABLE";
/** Constant for the sql query to transfer the online contents.<p> */
protected static final String QUERY_TRANSFER_ONLINE_CONTENTS = "Q_TRANSFER_ONLINE_CONTENTS";
/** Constant for the table CMS_CONTENTS.<p> */
protected static final String TABLE_CMS_CONTENTS = "CMS_CONTENTS";
/** Constant for the sql query to drop a table.<p> */
private static final String QUERY_DROP_TABLE = "Q_DROP_TABLE";
/** Constant for the SQL query properties.<p> */
private static final String QUERY_PROPERTY_FILE = "cms_content_table_queries.properties";
/** Constant for the sql query to read the max publish tag.<p> */
private static final String QUERY_READ_MAX_PUBTAG = "Q_READ_MAX_PUBTAG";
/** Constant for the sql query to transfer the backup contents.<p> */
private static final String QUERY_TRANSFER_BACKUP_CONTENTS = "Q_TRANSFER_BACKUP_CONTENTS";
/** Constant for the replacement in the SQL query for the tablename.<p> */
private static final String REPLACEMENT_TABLENAME = "${tablename}";
/** Constant for the table CMS_BACKUP_CONTENTS.<p> */
private static final String TABLE_CMS_BACKUP_CONTENTS = "CMS_BACKUP_CONTENTS";
/** Constant for the table CMS_ONLINE_CONTENTS.<p> */
private static final String TABLE_CMS_ONLINE_CONTENTS = "CMS_ONLINE_CONTENTS";
/**
* Constructor.<p>
*
* @throws IOException if the query properties cannot be read
*/
public CmsUpdateDBContentTables()
throws IOException {
super();
loadQueryProperties(getPropertyFileLocation() + QUERY_PROPERTY_FILE);
}
/**
* Creates the CMS_CONTENTS table if it does not exist yet.<p>
*
* @param dbCon the db connection interface
*
* @throws SQLException if something goes wrong
*/
protected void createContentsTable(CmsSetupDb dbCon) throws SQLException {
System.out.println(new Exception().getStackTrace()[0].toString());
if (!dbCon.hasTableOrColumn(TABLE_CMS_CONTENTS, null)) {
String query = readQuery(QUERY_CREATE_CMS_CONTENTS_TABLE);
dbCon.updateSqlStatement(query, null, null);
} else {
System.out.println("table " + TABLE_CMS_CONTENTS + " already exists");
}
}
/**
* @see org.opencms.setup.db.A_CmsUpdateDBPart#internalExecute(org.opencms.setup.CmsSetupDb)
*/
@Override
protected void internalExecute(CmsSetupDb dbCon) throws SQLException {
System.out.println(new Exception().getStackTrace()[0].toString());
createContentsTable(dbCon);
// Transfer the online contents if the table exists
if (dbCon.hasTableOrColumn(TABLE_CMS_ONLINE_CONTENTS, null)) {
int pubTag = 1;
String query = readQuery(QUERY_READ_MAX_PUBTAG);
CmsSetupDBWrapper db = null;
try {
db = dbCon.executeSqlStatement(query, null);
if (db.getResultSet().next()) {
pubTag = db.getResultSet().getInt(1);
}
} finally {
if (db != null) {
db.close();
}
}
transferOnlineContents(dbCon, pubTag);
} else {
System.out.println("no table " + TABLE_CMS_ONLINE_CONTENTS + " found");
}
if (isKeepHistory()) {
// Transfer the backup contents if the table exists
if (dbCon.hasTableOrColumn(TABLE_CMS_BACKUP_CONTENTS, null)) {
String query = readQuery(QUERY_TRANSFER_BACKUP_CONTENTS);
dbCon.updateSqlStatement(query, null, null);
} else {
System.out.println("no table " + TABLE_CMS_BACKUP_CONTENTS + " found");
}
}
// Drop the tables CMS_BACKUP_CONTENTS and CMS_ONLINE_CONTENTS
cleanUpContentsTables(dbCon);
}
/**
* Transfers the online content.<p>
*
* @param dbCon the db connection interface
* @param pubTag the publish tag to use
*
* @throws SQLException if something goes wrong
*/
protected void transferOnlineContents(CmsSetupDb dbCon, int pubTag) throws SQLException {
String query = readQuery(QUERY_TRANSFER_ONLINE_CONTENTS);
Map<String, String> replacer = Collections.singletonMap("${pubTag}", "" + pubTag);
dbCon.updateSqlStatement(query, replacer, null);
}
/**
* After the transfer the tables CMS_ONLINE_CONTENTS and CMS_BACKUP contents are dropped as they are no longer needed.<p>
*
* @param dbCon the db connection interface
*
* @throws SQLException if something goes wrong
*/
private void cleanUpContentsTables(CmsSetupDb dbCon) throws SQLException {
System.out.println(new Exception().getStackTrace()[0].toString());
String query = readQuery(QUERY_DROP_TABLE);
HashMap<String, String> replacers = new HashMap<String, String>();
// Drop the CMS_ONLINE_CONTENTS table
replacers.put(REPLACEMENT_TABLENAME, TABLE_CMS_ONLINE_CONTENTS);
dbCon.updateSqlStatement(query, replacers, null);
replacers.clear();
// Drop the CMS_BACKUP_CONTENTS table
replacers.put(REPLACEMENT_TABLENAME, TABLE_CMS_BACKUP_CONTENTS);
dbCon.updateSqlStatement(query, replacers, null);
}
}