HRESULT getParamsFromXMLConfigFile(short mode, std::wstring * appexe, std::wstring * params)
{
::CoInitialize(NULL);
MSXML::IXMLDOMDocumentPtr m_plDomDocument;
MSXML::IXMLDOMElementPtr m_pDocRoot;
HRESULT hr = m_plDomDocument.CreateInstance(MSXML::CLSID_DOMDocument);
if (hr==S_OK)
{
_bstr_t bstrFileName = _T("JavaService.xml");
variant_t vResult;
vResult = m_plDomDocument->load(bstrFileName);
if (((bool)vResult) == TRUE) // success!
{
if (mode==STARTUP)
{
// now that the document is loaded, we need to initialize the root pointer
m_pDocRoot = m_plDomDocument->documentElement;
MSXML::IXMLDOMNodePtr jdkRoot = m_pDocRoot->selectSingleNode("//startup/jdk/javahome");
MSXML::IXMLDOMNodePtr jvmmode = m_pDocRoot->selectSingleNode("//startup/jdk/jvmmode");
MSXML::IXMLDOMNodePtr jvmclasspath = m_pDocRoot->selectSingleNode("//startup/jdk/classpath");
MSXML::IXMLDOMNodePtr endorsedpath = m_pDocRoot->selectSingleNode("//startup/jdk/endorsedpath");
MSXML::IXMLDOMNodePtr syshost = m_pDocRoot->selectSingleNode("//startup/jdk/syshost");
MSXML::IXMLDOMNodePtr minheap = m_pDocRoot->selectSingleNode("//startup/jdk/initmemory");
MSXML::IXMLDOMNodePtr maxheap = m_pDocRoot->selectSingleNode("//startup/jdk/maxmemory");
MSXML::IXMLDOMNodePtr newsize = m_pDocRoot->selectSingleNode("//startup/jdk/NewSize");
MSXML::IXMLDOMNodePtr maxnewsize = m_pDocRoot->selectSingleNode("//startup/jdk/MaxNewSize");
MSXML::IXMLDOMNodePtr survivorratio = m_pDocRoot->selectSingleNode("//startup/jdk/survivorratio");
MSXML::IXMLDOMNodePtr permsize = m_pDocRoot->selectSingleNode("//startup/jdk/permsize");
MSXML::IXMLDOMNodePtr gcInterval = m_pDocRoot->selectSingleNode("//startup/jdk/gcInterval");
MSXML::IXMLDOMNodePtr threadstacksize = m_pDocRoot->selectSingleNode("//startup/jdk/threadstacksize");
MSXML::IXMLDOMNodePtr progname = m_pDocRoot->selectSingleNode("//startup/app/progname");
MSXML::IXMLDOMNodePtr appclass = m_pDocRoot->selectSingleNode("//startup/app/class");
MSXML::IXMLDOMNodePtr classrunparams = m_pDocRoot->selectSingleNode("//startup/app/classrunparams");
MSXML::IXMLDOMNodePtr extrajvmparams = m_pDocRoot->selectSingleNode("//startup/app/extrajvmparams");
BSTR bjdkRoot;
hr = jdkRoot->get_text(&bjdkRoot);
if (hr==S_OK)
{
*appexe = _bstr_t(bjdkRoot) + _T("\\java.exe");
BSTR bjvmmode;
BSTR bjvmclasspath;
BSTR bendorsedpath;
BSTR bsyshost;
BSTR bminheap;
BSTR bmaxheap;
BSTR bnewsize;
BSTR bmaxnewsize;
BSTR bsurvivorratio;
BSTR bpermsize;
BSTR bgcInterval;
BSTR bthreadstacksize;
BSTR bprogname;
BSTR bappclass;
BSTR bclassrunparams;
BSTR bextrajvmparams;
hr = jvmmode->get_text(&bjvmmode) &
jvmclasspath->get_text(&bjvmclasspath) &
endorsedpath->get_text(&bendorsedpath) &
syshost->get_text(&bsyshost) &
minheap->get_text(&bminheap) &
maxheap->get_text(&bmaxheap) &
newsize->get_text(&bnewsize) &
maxnewsize->get_text(&bmaxnewsize) &
survivorratio->get_text(&bsurvivorratio) &
permsize->get_text(&bpermsize) &
gcInterval->get_text(&bgcInterval) &
threadstacksize->get_text(&bthreadstacksize) &
progname->get_text(&bprogname) &
appclass->get_text(&bappclass) &
classrunparams->get_text(&bclassrunparams) &
extrajvmparams->get_text(&bextrajvmparams);
if (hr==S_OK)
{
*params = _T("-") + _bstr_t(bjvmmode) + _T(" -Dprogram.name=") + _bstr_t(bprogname)
+ _T(" -Dsys.host=") + _bstr_t(bsyshost)
+ _T(" -Xms") + _bstr_t(bminheap) + _T(" -Xmx") + _bstr_t(bmaxheap)
+ _T(" -XX:NewSize=") + _bstr_t(bnewsize) + _T(" -XX:MaxNewSize=") + _bstr_t(bmaxnewsize)
+ _T(" -XX:SurvivorRatio=") + _bstr_t(bsurvivorratio)
+ _T(" -XX:MaxPermSize=") + _bstr_t(bpermsize)
+ _T(" -Xss") + _bstr_t(bthreadstacksize)
+ _T(" -Dsun.rmi.dgc.server.gcInterval=") + _bstr_t(bgcInterval)
+ _T(" -Djava.endorsed.dirs=") + _bstr_t(bendorsedpath)
+ _T(" ") + _bstr_t(bextrajvmparams)
+ _T(" -classpath ") + _bstr_t(bjvmclasspath)
+ _T(" ") + _bstr_t(bappclass)
+ _T(" ") + _bstr_t(bclassrunparams);
} else {
LogEvent(_T("Failed to load application params from configuration file"));
}
} else {
LogEvent(_T("Failed to load JDK setting from configuration file"));
}
} else {
// Mode must be STOPPING. Now that the document is loaded, we need to initialize the root pointer
m_pDocRoot = m_plDomDocument->documentElement;
MSXML::IXMLDOMNodePtr jdkRoot = m_pDocRoot->selectSingleNode("//shutdown/jdk/javahome");
MSXML::IXMLDOMNodePtr jvmclasspath = m_pDocRoot->selectSingleNode("//shutdown/jdk/classpath");
MSXML::IXMLDOMNodePtr progname = m_pDocRoot->selectSingleNode("//shutdown/app/progname");
MSXML::IXMLDOMNodePtr appclass = m_pDocRoot->selectSingleNode("//shutdown/app/class");
MSXML::IXMLDOMNodePtr extrajvmparams = m_pDocRoot->selectSingleNode("//shutdown/app/extrajvmparams");
BSTR bjdkRoot;
hr = jdkRoot->get_text(&bjdkRoot);
if (hr==S_OK)
{
*appexe = _bstr_t(bjdkRoot) + _T("\\java.exe");
BSTR bjvmclasspath;
BSTR bprogname;
BSTR bappclass;
BSTR bextrajvmparams;
hr = jvmclasspath->get_text(&bjvmclasspath) &
progname->get_text(&bprogname) &
extrajvmparams->get_text(&bextrajvmparams) &
appclass->get_text(&bappclass);
if (hr==S_OK)
{
*params = _T(" -Dprogram.name=") + _bstr_t(bprogname)
+ _T(" ") + _bstr_t(bextrajvmparams)
+ _T(" -classpath ") + _bstr_t(bjvmclasspath)
+ _T(" ") + _bstr_t(bappclass);
} else {
LogEvent(_T("Failed to load application params from configuration file"));
}
} else {
LogEvent(_T("Failed to load JDK setting from configuration file"));
}
}
}
else
{
LogEvent(_T("Failed to load configuration file"));
return E_FAIL;
}
} else {
LogEvent(_T("Failed to MSXML library."));
}
return hr;
}
