/*
* Created on Feb 27, 2004
* Created by Alon Rohter
* Copyright (C) 2004, 2005, 2006 Alon Rohter, All Rights Reserved.
*
* Copyright (C) 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.io.*;
import java.util.Properties;
import org.gudy.azureus2.core3.logging.*;
import org.gudy.azureus2.core3.internat.*;
//import org.gudy.azureus2.platform.*;
/**
* Utility class to manage system-dependant information.
*/
public class SystemProperties {
private static final LogIDs LOGID = LogIDs.CORE;
// note this is also used in the restart code....
public static final String SYS_PROP_CONFIG_OVERRIDE = "azureus.config.path";
/**
* Path separator charactor.
*/
public static final String SEP = System.getProperty("file.separator");
public static final String AZ_APP_ID = "az";
public static String APPLICATION_NAME = "Azureus";
private static String APPLICATION_ID = AZ_APP_ID;
private static String APPLICATION_VERSION = Constants.AZUREUS_VERSION;
// TODO: fix for non-SWT entry points one day
private static String APPLICATION_ENTRY_POINT = "org.gudy.azureus2.ui.swt.Main";
private static final String WIN_DEFAULT = "Application Data";
private static final String OSX_DEFAULT = "Library" + SEP + "Application Support";
private static String user_path;
private static String app_path;
public static void
determineApplicationName()
{
// try and infer the application name. this is only required on OSX as the app name
// is a component of the "application path" used to find plugins etc.
if ( Constants.isOSX && !System.getProperty( "azureus.infer.app.name", "true" ).equals( "false" )){
/* example class path
/Applications/Utilities/Azureus.app/Contents/Resources/
Java/swt.jar:/Applications/Utilities/Azureus.app/Contents/Resources/
Java/swt-pi.jar:/Applications/Utilities/Azureus.app/Contents/Resources/
Java/Azureus2.jar:/System/Library/Java
*/
String classpath = System.getProperty("java.class.path");
if ( classpath == null ){
// System.out here as very early init!
System.out.println( "SystemProperties: determineApplicationName - class path is null" );
}else{
int dot_pos = classpath.indexOf( ".app/Contents" );
if ( dot_pos == -1 ){
System.out.println( "SystemProperties: determineApplicationName - can't determine application name from " + classpath );
}else{
int start_pos = dot_pos;
while( start_pos >= 0 && classpath.charAt(start_pos) != '/' ){
start_pos--;
}
String app_name = classpath.substring( start_pos+1, dot_pos );
setApplicationName( app_name );
}
}
}
}
public static void
setApplicationName(
String name )
{
if ( name != null && name.trim().length() > 0 ){
name = name.trim();
if ( user_path != null ){
if ( !name.equals( APPLICATION_NAME )){
System.out.println( "**** SystemProperties::setApplicationName called too late! ****" );
}
}
APPLICATION_NAME = name;
}
}
public static void
setApplicationIdentifier(
String application_id )
{
if ( application_id != null && application_id.trim().length() > 0 ){
APPLICATION_ID = application_id.trim();
}
}
public static void
setApplicationEntryPoint(
String entry_point )
{
if ( entry_point != null && entry_point.trim().length() > 0 ){
APPLICATION_ENTRY_POINT = entry_point.trim();
}
}
public static String
getApplicationName()
{
return( APPLICATION_NAME );
}
public static void
setApplicationVersion(
String v )
{
APPLICATION_VERSION = v;
}
public static String
getApplicationVersion()
{
return( APPLICATION_VERSION );
}
public static String
getApplicationIdentifier()
{
return( APPLICATION_ID );
}
public static String
getApplicationEntryPoint()
{
return( APPLICATION_ENTRY_POINT );
}
/**
* Returns the full path to the user's home azureus directory.
* Under unix, this is usually ~/.azureus/
* Under Windows, this is usually .../Documents and Settings/username/Application Data/Azureus/
* Under OSX, this is usually /Users/username/Library/Application Support/Azureus/
*/
public static String
getUserPath()
{
if (user_path != null) {
return user_path;
}
// WATCH OUT!!!! possible recursion here if logging is changed so that it messes with
// config initialisation - that's why we don't assign the user_path variable until it
// is complete - an earlier bug resulted in us half-assigning it and using it due to
// recursion. At least with this approach we'll get (worst case) stack overflow if
// a similar change is made, and we'll spot it!!!!
// Super Override -- no AZ_DIR or xxx_DEFAULT added at all.
String temp_user_path = System.getProperty(SYS_PROP_CONFIG_OVERRIDE);
try {
if (temp_user_path != null) {
if (!temp_user_path.endsWith(SEP)) {
temp_user_path += SEP;
}
File dir = new File(temp_user_path);
if (!dir.exists()) {
FileUtil.mkdirs(dir);
}
if (Logger.isEnabled())
Logger.log(new LogEvent(LOGID,
"SystemProperties::getUserPath(Custom): user_path = "
+ temp_user_path));
return temp_user_path;
}
// No override, get it from platform manager
try {
// PlatformManager platformManager = PlatformManagerFactory.getPlatformManager();
//
// temp_user_path = platformManager.getLocation(
// PlatformManager.LOC_USER_DATA).getPath() + SEP;
if (Logger.isEnabled()) {
Logger.log(new LogEvent(LOGID,
"SystemProperties::getUserPath: user_path = " + temp_user_path));
}
} catch ( Throwable e ){
if (Logger.isEnabled()) {
Logger.log(new LogEvent(LOGID,
"Unable to retrieve user config path from "
+ "the platform manager. "
+ "Make sure aereg.dll is present."));
}
}
// If platform failed, try some hackery
if (temp_user_path == null) {
String userhome = System.getProperty("user.home");
if (Constants.isWindows) {
temp_user_path = getEnvironmentalVariable("APPDATA");
if (temp_user_path != null && temp_user_path.length() > 0) {
if (Logger.isEnabled())
Logger.log(new LogEvent(LOGID,
"Using user config path from APPDATA env var instead: "
+ temp_user_path));
} else {
temp_user_path = userhome + SEP + WIN_DEFAULT;
if (Logger.isEnabled())
Logger.log(new LogEvent(LOGID,
"Using user config path from java user.home var instead: "
+ temp_user_path));
}
temp_user_path = temp_user_path + SEP + APPLICATION_NAME + SEP;
if (Logger.isEnabled())
Logger.log(new LogEvent(LOGID,
"SystemProperties::getUserPath(Win): user_path = "
+ temp_user_path));
} else if (Constants.isOSX) {
temp_user_path = userhome + SEP + OSX_DEFAULT + SEP
+ APPLICATION_NAME + SEP;
if (Logger.isEnabled())
Logger.log(new LogEvent(LOGID,
"SystemProperties::getUserPath(Mac): user_path = "
+ temp_user_path));
} else {
// unix type
temp_user_path = userhome + SEP + "."
+ APPLICATION_NAME.toLowerCase() + SEP;
if (Logger.isEnabled())
Logger.log(new LogEvent(LOGID,
"SystemProperties::getUserPath(Unix): user_path = "
+ temp_user_path));
}
}
//if the directory doesn't already exist, create it
File dir = new File(temp_user_path);
if (!dir.exists()) {
FileUtil.mkdirs(dir);
}
return temp_user_path;
} finally {
user_path = temp_user_path;
}
}
/**
* Returns the full path to the directory where Azureus is installed
* and running from.
*/
public static String
getApplicationPath()
{
if ( app_path != null ){
return( app_path );
}
String temp_app_path = System.getProperty("azureus.install.path", System.getProperty("user.dir"));
if ( !temp_app_path.endsWith(SEP)){
temp_app_path += SEP;
}
app_path = temp_app_path;
return( app_path );
}
/**
* Returns whether or not this running instance was started via
* Java's Web Start system.
*/
public static boolean isJavaWebStartInstance() {
try {
String java_ws_prop = System.getProperty("azureus.javaws");
return ( java_ws_prop != null && java_ws_prop.equals( "true" ) );
}
catch (Throwable e) {
//we can get here if running in an applet, as we have no access to system props
return false;
}
}
/**
* Will attempt to retrieve an OS-specific environmental var.
*/
public static String
getEnvironmentalVariable(
final String _var )
{
// this approach doesn't work at all on Windows 95/98/ME - it just hangs
// so get the hell outta here!
if ( Constants.isWindows9598ME ){
return( "" );
}
// getenv reinstated in 1.5 - try using it
String res = System.getenv( _var );
if ( res != null ){
return( res );
}
Properties envVars = new Properties();
BufferedReader br = null;
try {
Process p = null;
Runtime r = Runtime.getRuntime();
if ( Constants.isWindows ) {
p = r.exec( "cmd.exe /c set" );
}
else { //we assume unix
p = r.exec( "env" );
}
String system_encoding = LocaleUtil.getSingleton().getSystemEncoding();
if (Logger.isEnabled())
Logger.log(new LogEvent(LOGID,
"SystemProperties::getEnvironmentalVariable - " + _var
+ ", system encoding = " + system_encoding));
br = new BufferedReader( new InputStreamReader( p.getInputStream(), system_encoding), 8192);
String line;
while( (line = br.readLine()) != null ) {
int idx = line.indexOf( '=' );
if (idx >= 0) {
String key = line.substring( 0, idx );
String value = line.substring( idx+1 );
envVars.setProperty( key, value );
}
}
br.close();
}
catch (Throwable t) {
if (br != null) try { br.close(); } catch (Exception ingore) {}
}
return envVars.getProperty( _var, "" );
}
public static String getDocPath() {
File fDocPath = null;
try {
// PlatformManager platformManager = PlatformManagerFactory.getPlatformManager();
//
// fDocPath = platformManager.getLocation(PlatformManager.LOC_DOCUMENTS);
} catch (Throwable e) {
}
if (fDocPath == null) {
// should never happen.. but if we are missing a dll..
fDocPath = new File(getUserPath(), "Documents");
}
return fDocPath.getAbsolutePath();
}
public static String
getAzureusJarPath()
{
String str = getApplicationPath();
if( Constants.isOSX ){
str += SystemProperties.getApplicationName() + ".app/Contents/Resources/Java/";
}
return( str + "Azureus2.jar" );
}
}