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 "PropertyFile.h"
  27 
  28 #include "Helpers.h"
  29 #include "FilePath.h"
  30 
  31 #include <string>
  32 
  33 
  34 PropertyFile::PropertyFile(void) : IPropertyContainer() {
  35     FReadOnly = false;
  36     FModified = false;
  37 }
  38 
  39 PropertyFile::PropertyFile(const TString FileName) : IPropertyContainer() {
  40     FReadOnly = true;
  41     FModified = false;
  42     LoadFromFile(FileName);
  43 }
  44 
  45 PropertyFile::PropertyFile(OrderedMap<TString, TString> Value) {
  46     FData.Append(Value);
  47 }
  48 
  49 PropertyFile::PropertyFile(PropertyFile &Value) {
  50     FData = Value.FData;
  51     FReadOnly = Value.FReadOnly;
  52     FModified = Value.FModified;
  53 }
  54 
  55 PropertyFile::~PropertyFile(void) {
  56     FData.Clear();
  57 }
  58 
  59 void PropertyFile::SetModified(bool Value) {
  60     FModified = Value;
  61 }
  62 
  63 bool PropertyFile::IsModified() {
  64     return FModified;
  65 }
  66 
  67 bool PropertyFile::GetReadOnly() {
  68     return FReadOnly;
  69 }
  70 
  71 void PropertyFile::SetReadOnly(bool Value) {
  72     FReadOnly = Value;
  73 }
  74 
  75 bool PropertyFile::LoadFromFile(const TString FileName) {
  76     bool result = false;
  77     Platform& platform = Platform::GetInstance();
  78 
  79     std::list<TString> contents = platform.LoadFromFile(FileName);
  80 
  81     if (contents.empty() == false) {
  82         for (std::list<TString>::const_iterator iterator = contents.begin();
  83                 iterator != contents.end(); iterator++) {
  84             TString line = *iterator;
  85             TString name;
  86             TString value;
  87 
  88             if (Helpers::SplitOptionIntoNameValue(line, name, value) == true) {
  89                 FData.Append(name, value);
  90             }
  91         }
  92 
  93         SetModified(false);
  94         result = true;
  95     }
  96 
  97     return result;
  98 }
  99 
 100 bool PropertyFile::SaveToFile(const TString FileName, bool ownerOnly) {
 101     bool result = false;
 102 
 103     if (GetReadOnly() == false && IsModified()) {
 104         std::list<TString> contents;
 105         std::vector<TString> keys = FData.GetKeys();
 106 
 107         for (size_t index = 0; index < keys.size(); index++) {
 108             TString name = keys[index];
 109 
 110             try {
 111                 TString value;// = FData[index];
 112 
 113                 if (FData.GetValue(name, value) == true) {
 114                     TString line = name + _T('=') + value;
 115                     contents.push_back(line);
 116                 }
 117             }
 118             catch (std::out_of_range &) {
 119             }
 120         }
 121 
 122         Platform& platform = Platform::GetInstance();
 123         platform.SaveToFile(FileName, contents, ownerOnly);
 124 
 125         SetModified(false);
 126         result = true;
 127     }
 128 
 129     return result;
 130 }
 131 
 132 bool PropertyFile::GetValue(const TString Key, TString& Value) {
 133     return FData.GetValue(Key, Value);
 134 }
 135 
 136 bool PropertyFile::SetValue(const TString Key, TString Value) {
 137     bool result = false;
 138 
 139     if (GetReadOnly() == false) {
 140         FData.SetValue(Key, Value);
 141         SetModified(true);
 142         result = true;
 143     }
 144 
 145     return result;
 146 }
 147 
 148 bool PropertyFile::RemoveKey(const TString Key) {
 149     bool result = false;
 150 
 151     if (GetReadOnly() == false) {
 152         result = FData.RemoveByKey(Key);
 153 
 154         if (result == true) {
 155             SetModified(true);
 156         }
 157     }
 158 
 159     return result;
 160 }
 161 
 162 size_t PropertyFile::GetCount() {
 163     return FData.Count();
 164 }
 165 
 166 OrderedMap<TString, TString> PropertyFile::GetData() {
 167     return FData;
 168 }