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 #include "Platform.h"
  27 #include "Messages.h"
  28 #include "PlatformString.h"
  29 #include "FilePath.h"
  30 
  31 #include <fstream>
  32 #include <locale>
  33 
  34 #ifdef WINDOWS
  35 #include "WindowsPlatform.h"
  36 #endif // WINDOWS
  37 #ifdef LINUX
  38 #include "LinuxPlatform.h"
  39 #endif // LINUX
  40 #ifdef MAC
  41 #include "MacPlatform.h"
  42 #endif // MAC
  43 
  44 Platform& Platform::GetInstance() {
  45 #ifdef WINDOWS
  46     static WindowsPlatform instance;
  47 #endif // WINDOWS
  48 
  49 #ifdef LINUX
  50     static LinuxPlatform instance;
  51 #endif // LINUX
  52 
  53 #ifdef MAC
  54     static MacPlatform instance;
  55 #endif // MAC
  56 
  57     return instance;
  58 }
  59 
  60 TString Platform::GetConfigFileName() {
  61     TString result;
  62     TString basedir = GetPackageAppDirectory();
  63 
  64     if (basedir.empty() == false) {
  65         basedir = FilePath::IncludeTrailingSeparator(basedir);
  66         TString appConfig = basedir + GetAppName() + _T(".cfg");
  67 
  68         if (FilePath::FileExists(appConfig) == true) {
  69             result = appConfig;
  70         }
  71         else {
  72             result = basedir + _T("package.cfg");
  73 
  74             if (FilePath::FileExists(result) == false) {
  75                 result = _T("");
  76             }
  77         }
  78     }
  79 
  80     return result;
  81 }
  82 
  83 std::list<TString> Platform::LoadFromFile(TString FileName) {
  84     std::list<TString> result;
  85 
  86     if (FilePath::FileExists(FileName) == true) {
  87         std::wifstream stream(FileName.data());
  88         InitStreamLocale(&stream);
  89 
  90         if (stream.is_open() == true) {
  91             while (stream.eof() == false) {
  92                 std::wstring line;
  93                 std::getline(stream, line);
  94 
  95                 // # at the first character will comment out the line.
  96                 if (line.empty() == false && line[0] != '#') {
  97                     result.push_back(PlatformString(line).toString());
  98                 }
  99             }
 100         }
 101     }
 102 
 103     return result;
 104 }
 105 
 106 void Platform::SaveToFile(TString FileName, std::list<TString> Contents, bool ownerOnly) {
 107     TString path = FilePath::ExtractFilePath(FileName);
 108 
 109     if (FilePath::DirectoryExists(path) == false) {
 110         FilePath::CreateDirectory(path, ownerOnly);
 111     }
 112 
 113     std::wofstream stream(FileName.data());
 114     InitStreamLocale(&stream);
 115 
 116     FilePath::ChangePermissions(FileName.data(), ownerOnly);
 117 
 118     if (stream.is_open() == true) {
 119         for (std::list<TString>::const_iterator iterator =
 120                 Contents.begin(); iterator != Contents.end(); iterator++) {
 121             TString line = *iterator;
 122             stream << PlatformString(line).toUnicodeString() << std::endl;
 123         }
 124     }
 125 }
 126 
 127 std::map<TString, TString> Platform::GetKeys() {
 128     std::map<TString, TString> keys;
 129     keys.insert(std::map<TString, TString>::value_type(CONFIG_VERSION,
 130             _T("app.version")));
 131     keys.insert(std::map<TString, TString>::value_type(CONFIG_MAINJAR_KEY,
 132             _T("app.mainjar")));
 133     keys.insert(std::map<TString, TString>::value_type(CONFIG_MAINMODULE_KEY,
 134             _T("app.mainmodule")));
 135     keys.insert(std::map<TString, TString>::value_type(CONFIG_MAINCLASSNAME_KEY,
 136             _T("app.mainclass")));
 137     keys.insert(std::map<TString, TString>::value_type(CONFIG_CLASSPATH_KEY,
 138             _T("app.classpath")));
 139     keys.insert(std::map<TString, TString>::value_type(CONFIG_MODULEPATH_KEY,
 140             _T("app.modulepath")));
 141     keys.insert(std::map<TString, TString>::value_type(APP_NAME_KEY,
 142             _T("app.name")));
 143     keys.insert(std::map<TString, TString>::value_type(JAVA_RUNTIME_KEY,
 144             _T("app.runtime")));
 145     keys.insert(std::map<TString, TString>::value_type(JPACKAGE_APP_DATA_DIR,
 146             _T("app.identifier")));
 147     keys.insert(std::map<TString, TString>::value_type(CONFIG_SPLASH_KEY,
 148             _T("app.splash")));
 149     keys.insert(std::map<TString, TString>::value_type(CONFIG_APP_MEMORY,
 150             _T("app.memory")));
 151     keys.insert(std::map<TString, TString>::value_type(CONFIG_APP_DEBUG,
 152             _T("app.debug")));
 153     keys.insert(std::map<TString,
 154             TString>::value_type(CONFIG_APPLICATION_INSTANCE,
 155             _T("app.application.instance")));
 156     keys.insert(std::map<TString,
 157             TString>::value_type(CONFIG_SECTION_APPLICATION,
 158             _T("Application")));
 159     keys.insert(std::map<TString,
 160             TString>::value_type(CONFIG_SECTION_JAVAOPTIONS,
 161             _T("JavaOptions")));
 162     keys.insert(std::map<TString,
 163             TString>::value_type(CONFIG_SECTION_APPCDSJAVAOPTIONS,
 164             _T("AppCDSJavaOptions")));
 165     keys.insert(std::map<TString,
 166             TString>::value_type(CONFIG_SECTION_APPCDSGENERATECACHEJAVAOPTIONS,
 167             _T("AppCDSGenerateCacheJavaOptions")));
 168     keys.insert(std::map<TString,
 169             TString>::value_type(CONFIG_SECTION_ARGOPTIONS,
 170             _T("ArgOptions")));
 171 
 172     return keys;
 173 }