/*
* Determine the default official application name
*
* This function provides the default application name that appears in a variety of
* places such as: title of message dialog, title of splash screen window
* that shows up in Windows task bar.
* It is computed from the name of the launcher executable and
* by capitalizing the first letter. e.g. "c:/ide/eclipse.exe" provides
* a default name of "Eclipse".
*/
static _TCHAR* getDefaultOfficialName(_TCHAR* program)
{
_TCHAR *ch = NULL;
/* Skip the directory part */
ch = lastDirSeparator( program );
if (ch == NULL) ch = program;
else ch++;
ch = _tcsdup( ch );
#ifdef _WIN32
{
/* Search for the extension .exe and cut it */
_TCHAR *extension = _tcsrchr(ch, _T_ECLIPSE('.'));
if (extension != NULL)
{
*extension = _T_ECLIPSE('\0');
}
}
#endif
/* Upper case the first character */
#ifndef LINUX
{
*ch = _totupper(*ch);
}
#else
{
if (*ch >= 'a' && *ch <= 'z')
{
*ch -= 32;
}
}
#endif
return ch;
}
/* Determine the Program Directory
*
* This function takes the directory where program executable resides and
* determines the installation directory.
*/
_TCHAR* getProgramDir(_TCHAR* program)
{
_TCHAR* ch;
if(programDir != NULL)
return programDir;
programDir = malloc( (_tcslen( program ) + 1) * sizeof(_TCHAR) );
_tcscpy( programDir, program );
ch = lastDirSeparator( programDir );
if (ch != NULL)
{
*(ch+1) = _T_ECLIPSE('\0');
return programDir;
}
/* Can't figure out from the program */
free(programDir);
programDir = NULL;
return NULL;
}
/*
* Find the VM shared library starting from the java executable
*/
static _TCHAR* findLib( _TCHAR* command ) {
int i, j;
size_t pathLength;
struct _stat stats;
_TCHAR * path; /* path to resulting jvm shared library */
_TCHAR * location; /* points to begining of jvmLocations section of path */
/* for looking in the registry */
HKEY jreKey = NULL;
DWORD length = MAX_PATH;
_TCHAR keyName[MAX_PATH];
_TCHAR * jreKeyName;
if (command != NULL) {
location = lastDirSeparator( command ) + 1;
/*check first to see if command already points to the library */
if (isVMLibrary(command)) {
if (_tstat( command, &stats ) == 0 && (stats.st_mode & S_IFREG) != 0)
return command; /* exists */
return NULL; /* doesn't exist */
}
pathLength = (size_t) (location - command);
path = malloc((pathLength + MAX_LOCATION_LENGTH + 1 + _tcslen(vmLibrary) + 1) * sizeof(_TCHAR));
_tcsncpy(path, command, pathLength);
location = &path[pathLength];
/*
* We are trying base/jvmLocations[*]/vmLibrary
* where base is the directory containing the given java command, normally jre/bin
*/
i = -1;
while(jvmLocations[++i] != NULL) {
_stprintf(location, _T_ECLIPSE("%s%c%s"), jvmLocations[i], dirSeparator, vmLibrary);
if (_tstat( path, &stats ) == 0 && (stats.st_mode & S_IFREG) != 0)
{ /* found it */
return path;
}
}
/* if command is eclipse/jre, don't look in registry */
location = malloc( (_tcslen( getProgramDir() ) + _tcslen( shippedVMDir ) + 1) * sizeof(_TCHAR) );
_stprintf( location, _T_ECLIPSE("%s%s"), getProgramDir(), shippedVMDir );
if( _tcsncmp(command, location, _tcslen(location)) == 0) {
free(location);
return NULL;
}
free(location);
}
/* Not found yet, try the registry, we will use the first vm >= 1.4 */
jreKeyName = _T("Software\\JavaSoft\\Java Runtime Environment");
if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, jreKeyName, 0, KEY_READ, &jreKey) == ERROR_SUCCESS) {
if(RegQueryValueEx(jreKey, _T_ECLIPSE("CurrentVersion"), NULL, NULL, (void*)&keyName, &length) == ERROR_SUCCESS) {
path = checkVMRegistryKey(jreKey, keyName);
if (path != NULL) {
RegCloseKey(jreKey);
return path;
}
}
j = 0;
length = MAX_PATH;
while (RegEnumKeyEx(jreKey, j++, keyName, &length, 0, 0, 0, 0) == ERROR_SUCCESS) {
/*look for a 1.4 or 1.5 vm*/
if( _tcsncmp(_T("1.4"), keyName, 3) <= 0 ) {
path = checkVMRegistryKey(jreKey, keyName);
if (path != NULL) {
RegCloseKey(jreKey);
return path;
}
}
}
RegCloseKey(jreKey);
}
return NULL;
}
