bool FindJVMInSettings() {
TCHAR buffer[_MAX_PATH];
TCHAR copy[_MAX_PATH];
GetModuleFileName(NULL, buffer, _MAX_PATH);
std::wstring module(buffer);
if (LoadString(hInst, IDS_VM_OPTIONS_PATH, buffer, _MAX_PATH)) {
ExpandEnvironmentStrings(buffer, copy, _MAX_PATH - 1);
std::wstring path(copy);
path += L"\\config" + module.substr(module.find_last_of('\\')) + L".jdk";
FILE *f = _tfopen(path.c_str(), _T("rt"));
if (!f) return false;
char line[_MAX_PATH];
if (!fgets(line, _MAX_PATH, f)) {
fclose(f);
return false;
}
TrimLine(line);
fclose(f);
return FindValidJVM(line);
}
return false;
}
bool LocateJVM()
{
bool result;
if (FindJVMInEnvVar(LoadStdString(IDS_JDK_ENV_VAR).c_str(), result))
{
return result;
}
std::string jreDir = GetAdjacentDir("jre");
if (FindValidJVM(jreDir.c_str()) && Is64BitJRE(jvmPath) == need64BitJRE)
{
return true;
}
if (FindJVMInRegistry())
{
return true;
}
if (FindJVMInEnvVar("JAVA_HOME", result))
{
return result;
}
MessageBoxA(NULL, "No JVM installation found. Please reinstall the product or install a JDK.", "Error Launching IntelliJ Platform", MB_OK);
return false;
}
bool LocateJVM()
{
bool result;
if (FindJVMInEnvVar(LoadStdString(IDS_JDK_ENV_VAR).c_str(), result))
{
return result;
}
std::vector<std::string> jrePaths;
if(need64BitJRE) jrePaths.push_back(GetAdjacentDir("jre64"));
jrePaths.push_back(GetAdjacentDir("jre"));
for(std::vector<std::string>::iterator it = jrePaths.begin(); it != jrePaths.end(); ++it) {
if (FindValidJVM((*it).c_str()) && Is64BitJRE(jvmPath) == need64BitJRE)
{
return true;
}
}
if (FindJVMInRegistry())
{
return true;
}
if (FindJVMInEnvVar("JAVA_HOME", result))
{
return result;
}
MessageBoxA(NULL, "No JVM installation found. Please reinstall the product or install a JDK.", "Error Launching IntelliJ Platform", MB_OK);
return false;
}
bool LocateJVM()
{
bool result;
if (FindJVMInEnvVar(LoadStdString(IDS_JDK_ENV_VAR).c_str(), result))
{
return result;
}
if (FindJVMInSettings()) return true;
std::vector<std::string> jrePaths;
if(need64BitJRE) jrePaths.push_back(GetAdjacentDir("jre64"));
jrePaths.push_back(GetAdjacentDir("jre"));
for(std::vector<std::string>::iterator it = jrePaths.begin(); it != jrePaths.end(); ++it) {
if (FindValidJVM((*it).c_str()) && Is64BitJRE(jvmPath) == need64BitJRE)
{
return true;
}
}
if (FindJVMInEnvVar("JAVA_HOME", result))
{
return result;
}
if (FindJVMInRegistry())
{
return true;
}
std::string jvmError;
jvmError = "No JVM installation found. Please install a " BITS_STR " JDK.\n"
"If you already have a JDK installed, define a JAVA_HOME variable in\n"
"Computer > System Properties > System Settings > Environment Variables.";
if (IsWow64())
{
// If WoW64, this means we are running a 32-bit program on 64-bit Windows. This may explain
// why we couldn't locate the JVM.
jvmError += "\n\nNOTE: We have detected that you are running a 64-bit version of the "
"Windows operating system but are running the 32-bit executable. This "
"can prevent you from finding a 64-bit installation of Java. Consider running "
"the 64-bit version instead, if this is the problem you're encountering.";
}
std::string error = LoadStdString(IDS_ERROR_LAUNCHING_APP);
MessageBoxA(NULL, jvmError.c_str(), error.c_str(), MB_OK);
return false;
}
bool FindJVMInRegistryKey(const char* key, bool wow64_32)
{
HKEY hKey;
int flags = KEY_READ;
if (wow64_32) flags |= KEY_WOW64_32KEY;
if (RegOpenKeyExA(HKEY_LOCAL_MACHINE, key, 0, KEY_READ, &hKey) != ERROR_SUCCESS) return false;
char javaHome[_MAX_PATH];
DWORD javaHomeSize = _MAX_PATH - 1;
bool success = false;
if (RegQueryValueExA(hKey, "JavaHome", NULL, NULL, (LPBYTE)javaHome, &javaHomeSize) == ERROR_SUCCESS)
{
success = FindValidJVM(javaHome);
}
RegCloseKey(hKey);
return success;
}
bool FindJVMInEnvVar(const char* envVarName, bool& result)
{
char envVarValue[_MAX_PATH];
if (GetEnvironmentVariableA(envVarName, envVarValue, _MAX_PATH-1))
{
if (FindValidJVM(envVarValue))
{
if (Is64BitJRE(jvmPath) != need64BitJRE) return false;
result = true;
}
else
{
char buf[_MAX_PATH];
sprintf_s(buf, "The environment variable %s (with the value of %s) does not point to a valid JVM installation.",
envVarName, envVarValue);
MessageBoxA(NULL, buf, "Error Launching IntelliJ Platform", MB_OK);
result = false;
}
return true;
}
return false;
}
bool FindJVMInEnvVar(const char* envVarName, bool& result)
{
char envVarValue[_MAX_PATH];
if (GetEnvironmentVariableA(envVarName, envVarValue, _MAX_PATH - 1))
{
if (FindValidJVM(envVarValue))
{
if (Is64BitJRE(jvmPath) != need64BitJRE) return false;
result = true;
}
else
{
char buf[_MAX_PATH];
sprintf_s(buf, "The environment variable %s (with the value of %s) does not point to a valid JVM installation.",
envVarName, envVarValue);
std::string error = LoadStdString(IDS_ERROR_LAUNCHING_APP);
MessageBoxA(NULL, buf, error.c_str(), MB_OK);
result = false;
}
return true;
}
return false;
}
