JVMInfo* JVMChooser::getJvm(const tstring& javaHomePath, const tstring& binJvmDir)
{
JVMInfo* pJvmInfo = 0;
try
{
tstring pathToJvm = javaHomePath + tstring(_T("\\bin\\")) + binJvmDir + tstring(_T("\\jvm.dll"));
if( LocalUtilities::fileExists(pathToJvm) )
{
pJvmInfo = new JVMInfo();
pJvmInfo->setJvmPath(pathToJvm);
pJvmInfo->setJavaHomePath(javaHomePath);
return pJvmInfo;
}
pathToJvm = javaHomePath + tstring(_T("\\jre\\bin\\")) + binJvmDir + tstring(_T("\\jvm.dll"));
if( LocalUtilities::fileExists(pathToJvm) )
{
pJvmInfo = new JVMInfo();
pJvmInfo->setJvmPath(pathToJvm);
pJvmInfo->setJavaHomePath(javaHomePath + tstring(_T("\\jre")));
return pJvmInfo;
}
}
catch(...)
{
DEBUG_SHOW( _T("Exception in JVMChooser.getJvm()") );
ErrHandler::severeError( _T("Error while getting the JVM from the Java home path and JVM type.") );
}
return 0;
}
void WindowsRegistry::addAllJreJvms(vector<JVMInfo>* pVecJvmInfo, const tstring& regKey)
{
try
{
LONG result;
HKEY hKey;
result = RegOpenKeyEx(HKEY_LOCAL_MACHINE,regKey.c_str(),0,KEY_READ,&hKey);
if (result != ERROR_SUCCESS)
{
// key may not exist so exit
return;
}
TCHAR lpName[MAX_PATH];
for (DWORD index = 0, result = ERROR_SUCCESS; result == ERROR_SUCCESS; index++)
{
DWORD lpcName = MAX_PATH;
result = RegEnumKeyEx(hKey,
index,
lpName,
&lpcName,
NULL,
NULL,
NULL,
NULL);
if( result == ERROR_SUCCESS )
{
tstring dirName(lpName);
if( dirName.empty() )
{
continue;
}
tstring fullKeyPath = regKey + tstring(_T("\\")) + dirName;
DEBUG_SHOW( tstring(_T("fullKeyPath=")) + fullKeyPath );
tstring& javaHome = getStringValue(fullKeyPath, _T("JavaHome"));
if( javaHome.empty() )
{
continue;
}
JVMInfo *pJvmInfo = new JVMInfo;
pJvmInfo->setJavaBundle(Properties::JRE_JAVA_BUNDLE);
pJvmInfo->setJavaHomePath(javaHome);
pJvmInfo->setVersion(dirName);
pVecJvmInfo->push_back(*pJvmInfo);
}
}
RegCloseKey(hKey);
}
catch(tstring& se)
{
ErrHandler::severeError( se );
}
catch(...)
{
DEBUG_SHOW( _T("Exception in WindowsRegistry.addAllJreJvms()") );
ErrHandler::severeError( _T("Error getting JVM paths from registry.") );
}
}
