1 /*

     2  * Copyright (c) 2014, 2019, Oracle and/or its affiliates. All rights reserved.

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

     4  *

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

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

     7  * published by the Free Software Foundation.  Oracle designates this

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

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

    10  *

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

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

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

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

    15  * accompanied this code).

    16  *

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

    18  * 2 along with this work; if not, write to the Free Software Foundation,

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

    20  *

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

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

    23  * questions.

    24  */

    25 

    26 #ifndef JAVAVIRTUALMACHINE_H

    27 #define JAVAVIRTUALMACHINE_H

    28 

    29 

    30 #include "jni.h"

    31 #include "Platform.h"

    32 #include "Library.h"

    33 

    34 struct JavaOptionItem {

    35     TString name;

    36     TString value;

    37     void* extraInfo;

    38 };

    39 

    40 class JavaOptions {

    41 private:

    42     std::list<JavaOptionItem> FItems;

    43     JavaVMOption* FOptions;

    44 

    45 public:

    46     JavaOptions();

    47     ~JavaOptions();

    48 

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

    50     void AppendValue(const TString Key, TString Value);

    51     void AppendValue(const TString Key);

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

    53     void ReplaceValue(const TString Key, TString Value);

    54     std::list<TString> ToList();

    55     size_t GetCount();

    56 };

    57 

    58 class JavaVirtualMachine {

    59 private:

    60     JavaLibrary javaLibrary;

    61 

    62     void configureLibrary();

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

    64 public:

    65     JavaVirtualMachine();

    66     ~JavaVirtualMachine(void);

    67 

    68     bool StartJVM();

    69 };

    70 

    71 bool RunVM();

    72 

    73 #endif // JAVAVIRTUALMACHINE_H