/*

 * Copyright (c) 2014, 2018, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

#ifndef JAVAVIRTUALMACHINE_H

#define JAVAVIRTUALMACHINE_H

#include "jni.h"

#include "Platform.h"

enum JvmLaunchType {

    USER_APP_LAUNCH,

    SINGLE_INSTANCE_NOTIFICATION_LAUNCH,

    JVM_LAUNCH_TYPES_NUM

};

struct JavaOptionItem {

    TString name;

    TString value;

    void* extraInfo;

};

class JavaOptions {

private:

    std::list<JavaOptionItem> FItems;

    JavaVMOption* FOptions;

public:

    JavaOptions();

    ~JavaOptions();

    void AppendValue(const TString Key, TString Value, void* Extra);

    void AppendValue(const TString Key, TString Value);

    void AppendValue(const TString Key);

    void AppendValues(OrderedMap<TString, TString> Values);

    void ReplaceValue(const TString Key, TString Value);

    std::list<TString> ToList();

    size_t GetCount();

};

// Private typedef for function pointer casting

#define LAUNCH_FUNC "JLI_Launch"

typedef int (JNICALL *JVM_CREATE)(int argc, char ** argv,

                                  int jargc, const char** jargv,

                                  int appclassc, const char** appclassv,

                                  const char* fullversion,

                                  const char* dotversion,

                                  const char* pname,

                                  const char* lname,

                                  jboolean javaargs,

                                  jboolean cpwildcard,

                                  jboolean javaw,

                                  jint ergo);

class JavaLibrary : public Library {

    JVM_CREATE FCreateProc;

    JavaLibrary(const TString &FileName);

public:

    JavaLibrary();

    bool JavaVMCreate(size_t argc, char *argv[]);

};

class JavaVirtualMachine {

private:

    JavaLibrary javaLibrary;

    void configureLibrary();

    bool launchVM(JavaOptions& options, std::list<TString>& vmargs,

            bool addSiProcessId);

public:

    JavaVirtualMachine();

    ~JavaVirtualMachine(void);

    bool StartJVM();

    bool NotifySingleInstance();

};

bool RunVM(JvmLaunchType type);

#endif // JAVAVIRTUALMACHINE_H