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AMLSim
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/*
 Copyright  2005-2006 MySQL AB, 2008 Sun Microsystems

 This program is free software; you can redistribute it and/or modify
 it under the terms of version 2 of the GNU General Public License as 
 published by the Free Software Foundation.

 There are special exceptions to the terms and conditions of the GPL 
 as it is applied to this software. View the full text of the 
 exception in file EXCEPTIONS-CONNECTOR-J in the directory of this 
 software distribution.

 This program 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 General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

package com.mysql.jdbc.util;

import java.io.File;
import java.io.FileOutputStream;
import java.sql.Connection;
import java.sql.ResultSet;

import com.mysql.jdbc.NonRegisteringDriver;

/**
 * Creates output directory structure for multi-jvm, multi-url
 * unit, regression and compliance tests.
 */
public class VersionFSHierarchyMaker {

	/**
	 * @param args
	 */
	public static void main(String[] args) throws Exception {
		if (args.length < 3) {
			usage();
			System.exit(1);
		}
		
		String jdbcUrl = null;

		String jvmVersion = removeWhitespaceChars(System.getProperty("java.version"));
		String jvmVendor = removeWhitespaceChars(System.getProperty("java.vendor"));
		String osName = removeWhitespaceChars(System.getProperty("os.name"));
		String osArch = removeWhitespaceChars(System.getProperty("os.arch"));
		String osVersion = removeWhitespaceChars(System.getProperty("os.version"));
		
		jdbcUrl = System.getProperty("com.mysql.jdbc.testsuite.url");
		
		String mysqlVersion = "not-available";
		
		try {
			Connection conn = new NonRegisteringDriver().connect(jdbcUrl, null);
	
			ResultSet rs = conn.createStatement().executeQuery("SELECT VERSION()");
			rs.next();
			mysqlVersion = removeWhitespaceChars(rs.getString(1));
		} catch (Throwable t) {
			mysqlVersion = "no-server-running-on-" + removeWhitespaceChars(jdbcUrl);
		}

		String jvmSubdirName = jvmVendor + "-" + jvmVersion;
		String osSubdirName = osName + "-" + osArch + "-" + osVersion;
		
		File baseDir = new File(args[1]);
		File mysqlVersionDir = new File(baseDir, mysqlVersion);
		File osVersionDir = new File(mysqlVersionDir, osSubdirName);
		File jvmVersionDir = new File(osVersionDir, jvmSubdirName);
		
		jvmVersionDir.mkdirs();

		
		FileOutputStream pathOut = null;
		
		try {
			String propsOutputPath = args[2];
			pathOut = new FileOutputStream(propsOutputPath);
			String baseDirStr = baseDir.getAbsolutePath();
			String jvmVersionDirStr = jvmVersionDir.getAbsolutePath();
			
			if (jvmVersionDirStr.startsWith(baseDirStr)) {
				jvmVersionDirStr = jvmVersionDirStr.substring(baseDirStr.length() + 1);
			}

			pathOut.write(jvmVersionDirStr.getBytes());
		} finally {
			if (pathOut != null) {
				pathOut.flush();
				pathOut.close();
			}
		}
	}

	public static String removeWhitespaceChars(String input) {
		if (input == null) {
			return input;
		}
		
		int strLen = input.length();
		
		StringBuffer output = new StringBuffer(strLen);
		
		for (int i = 0; i < strLen; i++) {
			char c = input.charAt(i);
			if (!Character.isDigit(c) && !Character.isLetter(c)) {
				if (Character.isWhitespace(c)) {
					output.append("_");
				} else {
					output.append(".");
				}
			} else {
				output.append(c);
			}
		}
		
		return output.toString();
	}
	
	private static void usage() {
		System.err.println("Creates a fs hierarchy representing MySQL version, OS version and JVM version.");
		System.err.println("Stores the full path as 'outputDirectory' property in file 'directoryPropPath'");
		System.err.println();
		System.err.println("Usage: java VersionFSHierarchyMaker unit|compliance baseDirectory directoryPropPath");
	}
}