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/*
 * Copyright 2004-2013 H2 Group. Multiple-Licensed under the H2 License,
 * Version 1.0, and under the Eclipse Public License, Version 1.0
 * (http://h2database.com/html/license.html).
 * Initial Developer: H2 Group
 */
package org.glowroot.shaded.h2.tools;

import java.io.IOException;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import org.glowroot.shaded.h2.message.DbException;
import org.glowroot.shaded.h2.store.fs.FileUtils;
import org.glowroot.shaded.h2.util.IOUtils;
import org.glowroot.shaded.h2.util.JdbcUtils;
import org.glowroot.shaded.h2.util.StringUtils;
import org.glowroot.shaded.h2.util.Tool;

/**
 * Creates a SQL script file by extracting the schema and data of a database.
 * @h2.resource
 */
public class Script extends Tool {

    /**
     * Options are case sensitive. Supported options are:
     * 
     * 
     * 
     * 
     * 
     * 
     * 
     * 
     * 
     * 
     * 
     * 
     * 
     * 
     * 
     * 
[-help] or [-?]Print the list of options
[-url "<url>"]The database URL (jdbc:...)
[-user <user>]The user name (default: sa)
[-password <pwd>]The password
[-script <file>]The target script file name (default: backup.sql)
[-options ...]A list of options (only for embedded H2, see SCRIPT)
[-quiet]Do not print progress information
* @h2.resource * * @param args the command line arguments */ public static void main(String... args) throws SQLException { new Script().runTool(args); } @Override public void runTool(String... args) throws SQLException { String url = null; String user = ""; String password = ""; String file = "backup.sql"; String options1 = null, options2 = null; for (int i = 0; args != null && i < args.length; i++) { String arg = args[i]; if (arg.equals("-url")) { url = args[++i]; } else if (arg.equals("-user")) { user = args[++i]; } else if (arg.equals("-password")) { password = args[++i]; } else if (arg.equals("-script")) { file = args[++i]; } else if (arg.equals("-options")) { StringBuilder buff1 = new StringBuilder(); StringBuilder buff2 = new StringBuilder(); i++; for (; i < args.length; i++) { String a = args[i]; String upper = StringUtils.toUpperEnglish(a); if ("SIMPLE".equals(upper) || upper.startsWith("NO") || "DROP".equals(upper)) { buff1.append(' '); buff1.append(args[i]); } else { buff2.append(' '); buff2.append(args[i]); } } options1 = buff1.toString(); options2 = buff2.toString(); } else if (arg.equals("-help") || arg.equals("-?")) { showUsage(); return; } else { showUsageAndThrowUnsupportedOption(arg); } } if (url == null) { showUsage(); throw new SQLException("URL not set"); } if (options1 != null) { processScript(url, user, password, file, options1, options2); } else { execute(url, user, password, file); } } private static void processScript(String url, String user, String password, String fileName, String options1, String options2) throws SQLException { Connection conn = null; Statement stat = null; try { org.glowroot.shaded.h2.Driver.load(); conn = DriverManager.getConnection(url, user, password); stat = conn.createStatement(); String sql = "SCRIPT " + options1 + " TO '" + fileName + "' " + options2; stat.execute(sql); } finally { JdbcUtils.closeSilently(stat); JdbcUtils.closeSilently(conn); } } /** * Backs up a database to a SQL script file. * * @param url the database URL * @param user the user name * @param password the password * @param fileName the script file */ public static void execute(String url, String user, String password, String fileName) throws SQLException { OutputStream o = null; try { o = FileUtils.newOutputStream(fileName, false); execute(url, user, password, o); } catch (IOException e) { throw DbException.convertIOException(e, null); } finally { IOUtils.closeSilently(o); } } /** * Backs up a database to a stream. The stream is not closed. * * @param url the database URL * @param user the user name * @param password the password * @param out the output stream */ public static void execute(String url, String user, String password, OutputStream out) throws SQLException { Connection conn = null; try { org.glowroot.shaded.h2.Driver.load(); conn = DriverManager.getConnection(url, user, password); process(conn, out); } finally { JdbcUtils.closeSilently(conn); } } /** * Backs up a database to a stream. The stream is not closed. * The connection is not closed. * * @param conn the connection * @param out the output stream */ static void process(Connection conn, OutputStream out) throws SQLException { Statement stat = null; try { stat = conn.createStatement(); PrintWriter writer = new PrintWriter(IOUtils.getBufferedWriter(out)); ResultSet rs = stat.executeQuery("SCRIPT"); while (rs.next()) { String s = rs.getString(1); writer.println(s); } writer.flush(); } finally { JdbcUtils.closeSilently(stat); } } }




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