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The source code

/* Copyrights and Licenses
 *
 * This product includes Hypersonic SQL.
 * Originally developed by Thomas Mueller and the Hypersonic SQL Group. 
 *
 * Copyright (c) 1995-2000 by the Hypersonic SQL Group. All rights reserved. 
 * Redistribution and use in source and binary forms, with or without modification, are permitted
 * provided that the following conditions are met: 
 *     -  Redistributions of source code must retain the above copyright notice, this list of conditions
 *         and the following disclaimer. 
 *     -  Redistributions in binary form must reproduce the above copyright notice, this list of
 *         conditions and the following disclaimer in the documentation and/or other materials
 *         provided with the distribution. 
 *     -  All advertising materials mentioning features or use of this software must display the
 *        following acknowledgment: "This product includes Hypersonic SQL." 
 *     -  Products derived from this software may not be called "Hypersonic SQL" nor may
 *        "Hypersonic SQL" appear in their names without prior written permission of the
 *         Hypersonic SQL Group. 
 *     -  Redistributions of any form whatsoever must retain the following acknowledgment: "This
 *          product includes Hypersonic SQL." 
 * This software is provided "as is" and any expressed or implied warranties, including, but
 * not limited to, the implied warranties of merchantability and fitness for a particular purpose are
 * disclaimed. In no event shall the Hypersonic SQL Group or its contributors be liable for any
 * direct, indirect, incidental, special, exemplary, or consequential damages (including, but
 * not limited to, procurement of substitute goods or services; loss of use, data, or profits;
 * or business interruption). However caused any on any theory of liability, whether in contract,
 * strict liability, or tort (including negligence or otherwise) arising in any way out of the use of this
 * software, even if advised of the possibility of such damage. 
 * This software consists of voluntary contributions made by many individuals on behalf of the
 * Hypersonic SQL Group.
 *
 *
 * For work added by the HSQL Development Group:
 *
 * Copyright (c) 2001-2004, The HSQL Development Group
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer, including earlier
 * license statements (above) and comply with all above license conditions.
 *
 * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution, including earlier
 * license statements (above) and comply with all above license conditions.
 *
 * Neither the name of the HSQL Development Group nor the names of its
 * contributors may be used to endorse or promote products derived from this
 * software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL HSQL DEVELOPMENT GROUP, HSQLDB.ORG, 
 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */


package org.hsqldb;

import java.io.IOException;

import org.hsqldb.lib.FileUtil;
import org.hsqldb.lib.IntKeyHashMap;
import org.hsqldb.lib.StopWatch;
import org.hsqldb.scriptio.ScriptReaderBase;

/**
 * Restores the state of a Database instance from an SQL script. 

* * The script file may be in one of several allowed encodings, currently * including plain text, binary format and compressed binary format. * * @author fredt@users * @version 1.7.2 */ public class ScriptRunner { /** * This is used to read the *.log file and manage any necessary * transaction rollback. * * @throws HsqlException */ public static void runScript(Database database, String scriptFilename, int logType) throws HsqlException { try { if (database.isFilesInJar()) { if (ScriptRunner.class.getClassLoader().getResource( scriptFilename) == null) { return; } } else if (!FileUtil.exists(scriptFilename)) { return; } } catch (IOException e) {} IntKeyHashMap sessionMap = new IntKeyHashMap(); Session sysSession = database.getSessionManager().getSysSession(); Session current = sysSession; database.setReferentialIntegrity(false); try { StopWatch sw = new StopWatch(); ScriptReaderBase scr = ScriptReaderBase.newScriptReader(database, scriptFilename, logType); while (true) { String s = scr.readLoggedStatement(); if (s == null) { break; } if (s.startsWith("/*C")) { int id = Integer.parseInt(s.substring(3, s.indexOf('*', 4))); current = (Session) sessionMap.get(id); if (current == null) { current = database.getSessionManager().newSession(database, sysSession.getUser(), false); sessionMap.put(id, current); } s = s.substring(s.indexOf('/', 1) + 1); } if (s.length() != 0 &&!current.isClosed()) { Result result = current.sqlExecuteDirectNoPreChecks(s); if (result != null && result.iMode == ResultConstants.ERROR) { /** @todo fredt - must catch out of memory errors and terminate */ /** @todo fredt - must display the error through different method as printSystemOut does not normally print */ /* boucherb - Result(OOME,sql) now sets vendor code to Trace.OUT_OF_MEMORY */ Trace.printSystemOut("error in " + scriptFilename + " line: " + scr.getLineNumber()); Trace.printSystemOut(result.getMainString()); } } } scr.close(); database.getSessionManager().closeAllSessions(); } catch (IOException e) { throw Trace.error(Trace.FILE_IO_ERROR, Trace.Generic_reading_file_error, new Object[] { scriptFilename, e }); } database.setReferentialIntegrity(true); } }

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