/*
* Created on 16 juin 2003
* Copyright (C) 2003, 2004, 2005, 2006 Aelitis, All Rights Reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* 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.
*
* AELITIS, SAS au capital de 46,603.30 euros
* 8 Allee Lenotre, La Grille Royale, 78600 Le Mesnil le Roi, France.
*
*/
package org.gudy.azureus2.core3.util;
import java.nio.charset.Charset;
import java.util.StringTokenizer;
/**
*
* @author Olivier
*
*/
public class
Constants
{
public static final String SF_WEB_SITE = "http://azureus.sourceforge.net/";
public static final String AELITIS_WEB_SITE = "http://azureus.aelitis.com/";
public static final String GETAZUREUS_WEB_SITE = "http://www.getazureus.com/";
public static final String AELITIS_TORRENTS = "http://torrents.aelitis.com:88/torrents/";
public static final String AELITIS_FILES = "http://torrents.aelitis.com:88/files/";
public static final String AZUREUS_WIKI = "http://www.azureuswiki.com/index.php/";
public static final String VERSION_SERVER_V4 = "version.azureusplatform.com";
public static final String VERSION_SERVER_V6 = "version6.azureusplatform.com";
public static final String DHT_SEED_ADDRESS_V4 = "dht.aelitis.com";
public static final String DHT_SEED_ADDRESS_V6 = "dht6.azureusplatform.com";
public static final String NAT_TEST_SERVER = "nettest.azureusplatform.com";
public static final String NAT_TEST_SERVER_HTTP = "http://nettest.azureusplatform.com/";
public static final String SPEED_TEST_SERVER = "speed.azureusplatform.com";
public static final String[] AZUREUS_DOMAINS = { "azureusplatform.com", "azureus.com", "aelitis.com" };
public static final String DEFAULT_ENCODING = "UTF8";
public static final String BYTE_ENCODING = "ISO-8859-1";
public static Charset BYTE_CHARSET;
public static Charset DEFAULT_CHARSET;
static{
try{
BYTE_CHARSET = Charset.forName( Constants.BYTE_ENCODING );
DEFAULT_CHARSET = Charset.forName( Constants.DEFAULT_ENCODING );
}catch( Throwable e ){
e.printStackTrace();
}
}
public static final String INFINITY_STRING = "\u221E"; // "oo";pa
public static final int INFINITY_AS_INT = 365*24*3600; // seconds (365days)
public static final long INFINITE_AS_LONG = 10000*365*24*3600; // seconds (10k years)
// keep the CVS style constant coz version checkers depend on it!
// e.g. 2.0.8.3
// 2.0.8.3_CVS
// 2.0.8.3_Bnn // incremental build
public static final String AZUREUS_NAME = "Azureus";
public static final String AZUREUS_VERSION = "3.0.3.4"; //3.0.3.5_CVS
public static final byte[] VERSION_ID = ("-" + "AZ" + "3034" + "-").getBytes(); //MUST be 8 chars long!
public static final String OSName = System.getProperty("os.name");
public static final boolean isOSX = OSName.toLowerCase().startsWith("mac os");
public static final boolean isLinux = OSName.equalsIgnoreCase("Linux");
public static final boolean isSolaris = OSName.equalsIgnoreCase("SunOS");
public static final boolean isFreeBSD = OSName.equalsIgnoreCase("FreeBSD");
public static final boolean isWindowsXP = OSName.equalsIgnoreCase("Windows XP");
public static final boolean isWindowsVista = OSName.equalsIgnoreCase("Windows Vista");
public static final boolean isWindows95 = OSName.equalsIgnoreCase("Windows 95");
public static final boolean isWindows98 = OSName.equalsIgnoreCase("Windows 98");
public static final boolean isWindowsME = OSName.equalsIgnoreCase("Windows ME");
public static final boolean isWindows9598ME = isWindows95 || isWindows98 || isWindowsME;
public static final boolean isWindows = OSName.toLowerCase().startsWith("windows");
// If it isn't windows or osx, it's most likely an unix flavor
public static final boolean isUnix = !isWindows && !isOSX;
public static final String JAVA_VERSION = System.getProperty("java.version");
public static final String FILE_WILDCARD = isWindows?"*.*":"*";
/**
* Gets the current version, or if a CVS version, the one on which it is based
* @return
*/
public static String
getBaseVersion()
{
return( getBaseVersion( AZUREUS_VERSION ));
}
public static String
getBaseVersion(
String version )
{
int p1 = version.indexOf("_"); // _CVS or _Bnn
if ( p1 == -1 ){
return( version );
}
return( version.substring(0,p1));
}
/**
* is this a formal build or CVS/incremental
* @return
*/
public static boolean
isCVSVersion()
{
return( isCVSVersion( AZUREUS_VERSION ));
}
public static boolean
isCVSVersion(
String version )
{
return( version.indexOf("_") != -1 );
}
/**
* For CVS builds this returns the incremental build number. For people running their own
* builds this returns -1
* @return
*/
public static int
getIncrementalBuild()
{
return( getIncrementalBuild( AZUREUS_VERSION ));
}
public static int
getIncrementalBuild(
String version )
{
if ( !isCVSVersion(version)){
return( 0 );
}
int p1 = version.indexOf( "_B" );
if ( p1 == -1 ){
return( -1 );
}
try{
return( Integer.parseInt( version.substring(p1+2)));
}catch( Throwable e ){
System.out.println("can't parse version");
return( -1 );
}
}
/**
* compare two version strings of form n.n.n.n (e.g. 1.2.3.4)
* @param version_1
* @param version_2
* @return -ve -> version_1 lower, 0 = same, +ve -> version_1 higher
*/
public static int
compareVersions(
String version_1,
String version_2 )
{
try{
if ( version_1.startsWith("." )){
version_1 = "0" + version_1;
}
if ( version_2.startsWith("." )){
version_2 = "0" + version_2;
}
version_1 = version_1.replaceAll("[^0-9.]", ".");
version_2 = version_2.replaceAll("[^0-9.]", ".");
StringTokenizer tok1 = new StringTokenizer(version_1,".");
StringTokenizer tok2 = new StringTokenizer(version_2,".");
while( true ){
if ( tok1.hasMoreTokens() && tok2.hasMoreTokens()){
int i1 = Integer.parseInt(tok1.nextToken());
int i2 = Integer.parseInt(tok2.nextToken());
if ( i1 != i2 ){
return( i1 - i2 );
}
}else if ( tok1.hasMoreTokens()){
int i1 = Integer.parseInt(tok1.nextToken());
if ( i1 != 0 ){
return( 1 );
}
}else if ( tok2.hasMoreTokens()){
int i2 = Integer.parseInt(tok2.nextToken());
if ( i2 != 0 ){
return( -1 );
}
}else{
return( 0 );
}
}
}catch( Throwable e ){
Debug.printStackTrace(e);
return( 0 );
}
}
public static void main(String[] args) {
System.out.println(compareVersions("3.0.0.1", "3.0.0.0"));
System.out.println(compareVersions("3.0.0.0_B1", "3.0.0.0"));
System.out.println(compareVersions("3.0.0.0", "3.0.0.0_B1"));
System.out.println(compareVersions("3.0.0.0_B1", "3.0.0.0_B4"));
System.out.println(compareVersions("3.0.0.0..B1", "3.0.0.0_B4"));
}
}
|
