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/*
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* Copyright (c) 2014, 2018, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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#include "JavaVirtualMachine.h"
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#include "Platform.h"
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#include "PlatformString.h"
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#include "FilePath.h"
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#include "Package.h"
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#include "JavaTypes.h"
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#include "Helpers.h"
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#include "Messages.h"
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#include "Macros.h"
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#include "PlatformThread.h"
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#include "jni.h"
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#include <map>
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#include <list>
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#include <sstream>
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bool RunVM(JvmLaunchType type) {
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bool result = false;
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JavaVirtualMachine javavm;
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switch (type){
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case USER_APP_LAUNCH:
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result = javavm.StartJVM();
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break;
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case SINGLE_INSTANCE_NOTIFICATION_LAUNCH:
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result = javavm.NotifySingleInstance();
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break;
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default:
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break;
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}
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if (!result) {
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Platform& platform = Platform::GetInstance();
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platform.ShowMessage(_T("Failed to launch JVM\n"));
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}
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return result;
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}
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JavaLibrary::JavaLibrary() : Library(), FCreateProc(NULL) {
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}
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bool JavaLibrary::JavaVMCreate(size_t argc, char *argv[]) {
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if (FCreateProc == NULL) {
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FCreateProc = (JVM_CREATE)GetProcAddress(LAUNCH_FUNC);
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}
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if (FCreateProc == NULL) {
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Platform& platform = Platform::GetInstance();
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Messages& messages = Messages::GetInstance();
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platform.ShowMessage(
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messages.GetMessage(FAILED_LOCATING_JVM_ENTRY_POINT));
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return false;
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}
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return FCreateProc((int)argc, argv,
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0, NULL,
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0, NULL,
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"",
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"",
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"java",
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"java",
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false,
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false,
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false,
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0) == 0;
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}
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//----------------------------------------------------------------------------
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JavaOptions::JavaOptions(): FOptions(NULL) {
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}
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JavaOptions::~JavaOptions() {
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if (FOptions != NULL) {
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for (unsigned int index = 0; index < GetCount(); index++) {
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delete[] FOptions[index].optionString;
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}
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delete[] FOptions;
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}
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}
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void JavaOptions::AppendValue(const TString Key, TString Value, void* Extra) {
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JavaOptionItem item;
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item.name = Key;
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item.value = Value;
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item.extraInfo = Extra;
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FItems.push_back(item);
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}
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void JavaOptions::AppendValue(const TString Key, TString Value) {
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AppendValue(Key, Value, NULL);
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}
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void JavaOptions::AppendValue(const TString Key) {
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AppendValue(Key, _T(""), NULL);
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}
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void JavaOptions::AppendValues(OrderedMap<TString, TString> Values) {
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std::vector<TString> orderedKeys = Values.GetKeys();
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for (std::vector<TString>::const_iterator iterator = orderedKeys.begin();
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iterator != orderedKeys.end(); iterator++) {
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TString name = *iterator;
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TString value;
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if (Values.GetValue(name, value) == true) {
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AppendValue(name, value);
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}
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}
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}
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void JavaOptions::ReplaceValue(const TString Key, TString Value) {
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for (std::list<JavaOptionItem>::iterator iterator = FItems.begin();
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iterator != FItems.end(); iterator++) {
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TString lkey = iterator->name;
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if (lkey == Key) {
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JavaOptionItem item = *iterator;
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item.value = Value;
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iterator = FItems.erase(iterator);
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FItems.insert(iterator, item);
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break;
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}
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}
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}
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std::list<TString> JavaOptions::ToList() {
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std::list<TString> result;
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Macros& macros = Macros::GetInstance();
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for (std::list<JavaOptionItem>::const_iterator iterator = FItems.begin();
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iterator != FItems.end(); iterator++) {
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TString key = iterator->name;
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TString value = iterator->value;
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TString option = Helpers::NameValueToString(key, value);
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option = macros.ExpandMacros(option);
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result.push_back(option);
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}
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return result;
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}
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size_t JavaOptions::GetCount() {
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return FItems.size();
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}
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//----------------------------------------------------------------------------
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JavaVirtualMachine::JavaVirtualMachine() {
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}
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JavaVirtualMachine::~JavaVirtualMachine(void) {
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}
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bool JavaVirtualMachine::StartJVM() {
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Platform& platform = Platform::GetInstance();
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Package& package = Package::GetInstance();
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TString classpath = package.GetClassPath();
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TString modulepath = package.GetModulePath();
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JavaOptions options;
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if (modulepath.empty() == false) {
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options.AppendValue(_T("-Djava.module.path"), modulepath);
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}
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options.AppendValue(_T("-Djava.library.path"),
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package.GetPackageAppDirectory() + FilePath::PathSeparator()
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+ package.GetPackageLauncherDirectory());
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options.AppendValue(
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_T("-Djava.launcher.path"), package.GetPackageLauncherDirectory());
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options.AppendValue(_T("-Dapp.preferences.id"), package.GetAppID());
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options.AppendValues(package.GetJVMArgs());
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#ifdef DEBUG
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if (package.Debugging() == dsJava) {
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options.AppendValue(_T("-Xdebug"), _T(""));
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options.AppendValue(
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_T("-Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=localhost:5005"),
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_T(""));
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platform.ShowMessage(_T("localhost:5005"));
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}
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#endif // DEBUG
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TString maxHeapSizeOption;
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TString minHeapSizeOption;
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if (package.GetMemoryState() == PackageBootFields::msAuto) {
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TPlatformNumber memorySize = package.GetMemorySize();
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TString memory =
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PlatformString((size_t)memorySize).toString() + _T("m");
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maxHeapSizeOption = TString(_T("-Xmx")) + memory;
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options.AppendValue(maxHeapSizeOption, _T(""));
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if (memorySize > 256)
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minHeapSizeOption = _T("-Xms256m");
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else
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minHeapSizeOption = _T("-Xms") + memory;
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options.AppendValue(minHeapSizeOption, _T(""));
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}
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TString mainClassName = package.GetMainClassName();
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TString mainModule = package.GetMainModule();
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if (mainClassName.empty() == true && mainModule.empty() == true) {
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Messages& messages = Messages::GetInstance();
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platform.ShowMessage(messages.GetMessage(NO_MAIN_CLASS_SPECIFIED));
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return false;
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}
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configureLibrary();
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// Initialize the arguments to JLI_Launch()
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//
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// On Mac OS X JLI_Launch spawns a new thread that actually starts the JVM.
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// This new thread simply re-runs main(argc, argv). Therefore we do not
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// want to add new args if we are still in the original main thread so we
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// will treat them as command line args provided by the user ...
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// Only propagate original set of args first time.
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options.AppendValue(_T("-classpath"));
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options.AppendValue(classpath);
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std::list<TString> vmargs;
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vmargs.push_back(package.GetCommandName());
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if (package.HasSplashScreen() == true) {
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options.AppendValue(TString(_T("-splash:"))
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+ package.GetSplashScreenFileName(), _T(""));
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}
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if (mainModule.empty() == true) {
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options.AppendValue(Helpers::ConvertJavaPathToId(mainClassName),
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_T(""));
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} else {
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options.AppendValue(_T("-m"));
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options.AppendValue(mainModule);
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}
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return launchVM(options, vmargs, false);
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}
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bool JavaVirtualMachine::NotifySingleInstance() {
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Package& package = Package::GetInstance();
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std::list<TString> vmargs;
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vmargs.push_back(package.GetCommandName());
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JavaOptions options;
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options.AppendValue(_T("-Djava.library.path"),
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package.GetPackageAppDirectory() + FilePath::PathSeparator()
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+ package.GetPackageLauncherDirectory());
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options.AppendValue(_T("-Djava.launcher.path"),
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package.GetPackageLauncherDirectory());
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// launch SingleInstanceNewActivation.main() to pass arguments to
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// another instance
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options.AppendValue(_T("-m"));
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options.AppendValue(
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_T("jdk.jpackage.runtime/jdk.jpackage.runtime.singleton.SingleInstanceNewActivation"));
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configureLibrary();
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return launchVM(options, vmargs, true);
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}
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void JavaVirtualMachine::configureLibrary() {
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Platform& platform = Platform::GetInstance();
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Package& package = Package::GetInstance();
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// TODO: Clean this up. Because of bug JDK-8131321 the opening of the
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// PE file ails in WindowsPlatform.cpp on the check to
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// if (pNTHeader->Signature == IMAGE_NT_SIGNATURE)
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TString libName = package.GetJVMLibraryFileName();
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#ifdef _WIN64
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if (FilePath::FileExists(_T("msvcr100.dll")) == true) {
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javaLibrary.AddDependency(_T("msvcr100.dll"));
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}
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TString runtimeBin = platform.GetPackageRuntimeBinDirectory();
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SetDllDirectory(runtimeBin.c_str());
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#else
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javaLibrary.AddDependencies(
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platform.FilterOutRuntimeDependenciesForPlatform(
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platform.GetLibraryImports(libName)));
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#endif
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javaLibrary.Load(libName);
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}
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bool JavaVirtualMachine::launchVM(JavaOptions& options,
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std::list<TString>& vmargs, bool addSiProcessId) {
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Platform& platform = Platform::GetInstance();
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Package& package = Package::GetInstance();
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#ifdef MAC
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// Mac adds a ProcessSerialNumber to args when launched from .app
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// filter out the psn since they it's not expected in the app
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if (platform.IsMainThread() == false) {
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std::list<TString> loptions = options.ToList();
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vmargs.splice(vmargs.end(), loptions,
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loptions.begin(), loptions.end());
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}
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#else
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std::list<TString> loptions = options.ToList();
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vmargs.splice(vmargs.end(), loptions, loptions.begin(), loptions.end());
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#endif
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if (addSiProcessId) {
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// add single instance process ID as a first argument
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TProcessID pid = platform.GetSingleInstanceProcessId();
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std::ostringstream s;
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s << pid;
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std::string procIdStr(s.str());
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vmargs.push_back(TString(procIdStr.begin(), procIdStr.end()));
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}
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std::list<TString> largs = package.GetArgs();
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vmargs.splice(vmargs.end(), largs, largs.begin(), largs.end());
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size_t argc = vmargs.size();
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DynamicBuffer<char*> argv(argc + 1);
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if (argv.GetData() == NULL) {
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return false;
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}
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unsigned int index = 0;
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for (std::list<TString>::const_iterator iterator = vmargs.begin();
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iterator != vmargs.end(); iterator++) {
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TString item = *iterator;
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std::string arg = PlatformString(item).toStdString();
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#ifdef DEBUG
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printf("%i %s\n", index, arg.c_str());
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#endif // DEBUG
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argv[index] = PlatformString::duplicate(arg.c_str());
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index++;
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}
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argv[argc] = NULL;
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// On Mac we can only free the boot fields if the calling thread is
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// not the main thread.
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#ifdef MAC
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if (platform.IsMainThread() == false) {
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package.FreeBootFields();
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}
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#else
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package.FreeBootFields();
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#endif // MAC
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if (javaLibrary.JavaVMCreate(argc, argv.GetData()) == true) {
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return true;
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}
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for (index = 0; index < argc; index++) {
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if (argv[index] != NULL) {
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delete[] argv[index];
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}
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}
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return false;
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}
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