jvmfwk/source/fwkutil.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20
  21 #if defined(_WIN32)
  22 #if !defined WIN32_LEAN_AND_MEAN
  23 # define WIN32_LEAN_AND_MEAN
  24 #endif
  25 #include <windows.h>
  26 #include <algorithm>
  27 #endif
  28
  29 #include <osl/module.hxx>
  30 #include <rtl/ustring.hxx>
  31 #include <osl/file.hxx>
  32 #include <sal/log.hxx>
  33
  34 #include "framework.hxx"
  35 #include <fwkutil.hxx>
  36 #include <memory>
  37
  38 using namespace osl;
  39
  40
  41 namespace jfw
  42 {
  43
  44 /** provides a bootstrap class which already knows the values from the
  45     jvmfkwrc file.
  46 */
  47 const rtl::Bootstrap* Bootstrap()
  48 {
  49     static const rtl::Bootstrap* SINGLETON = []()
  50         {
  51             OUString sIni = getLibraryLocation() +
  52 #ifdef MACOSX
  53                 // For some reason the jvmfwk3rc file is traditionally in
  54                 // LIBO_URE_ETC_FOLDER
  55                 "/../" LIBO_URE_ETC_FOLDER
  56 #endif
  57                 SAL_CONFIGFILE("/jvmfwk3");
  58             ::rtl::Bootstrap *  bootstrap = new ::rtl::Bootstrap(sIni);
  59             SAL_INFO("jfw.level2", "Using configuration file " << sIni);
  60             return bootstrap;
  61         }();
  62     return SINGLETON;
  63 };
  64
  65 osl::Mutex& FwkMutex()
  66 {
  67     static osl::Mutex SINGLETON;
  68     return SINGLETON;
  69 }
  70
  71
  72 rtl::ByteSequence encodeBase16(const rtl::ByteSequence& rawData)
  73 {
  74     static const char EncodingTable[] =
  75         {'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'};
  76     sal_Int32 lenRaw = rawData.getLength();
  77     std::unique_ptr<char[]> pBuf(new char[lenRaw * 2]);
  78     const sal_Int8* arRaw = rawData.getConstArray();
  79
  80     char* pCurBuf = pBuf.get();
  81     for (int i = 0; i < lenRaw; i++)
  82     {
  83         unsigned char curChar = arRaw[i];
  84         curChar >>= 4;
  85
  86         *pCurBuf = EncodingTable[curChar];
  87         pCurBuf++;
  88
  89         curChar = arRaw[i];
  90         curChar &= 0x0F;
  91
  92         *pCurBuf = EncodingTable[curChar];
  93         pCurBuf++;
  94     }
  95
  96     rtl::ByteSequence ret(reinterpret_cast<sal_Int8*>(pBuf.get()), lenRaw * 2);
  97     return ret;
  98 }
  99
 100 rtl::ByteSequence decodeBase16(const rtl::ByteSequence& data)
 101 {
 102     static const char decodingTable[] =
 103         {'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'};
 104     sal_Int32 lenData = data.getLength();
 105     sal_Int32 lenBuf = lenData / 2; //always divisible by two
 106     std::unique_ptr<unsigned char[]> pBuf(new unsigned char[lenBuf]);
 107     const sal_Int8* pData = data.getConstArray();
 108     for (sal_Int32 i = 0; i < lenBuf; i++)
 109     {
 110         sal_Int8 curChar = *pData++;
 111         //find the index of the first 4bits
 112         //  TODO  What happens if text is not valid Hex characters?
 113         unsigned char nibble = 0;
 114         for (unsigned char j = 0; j < 16; j++)
 115         {
 116             if (curChar == decodingTable[j])
 117             {
 118                 nibble = j;
 119                 break;
 120             }
 121         }
 122         nibble <<= 4;
 123         curChar = *pData++;
 124         //find the index for the next 4bits
 125         for (unsigned char j = 0; j < 16; j++)
 126         {
 127             if (curChar == decodingTable[j])
 128             {
 129                 nibble |= j;
 130                 break;
 131             }
 132         }
 133         pBuf[i] = nibble;
 134     }
 135     rtl::ByteSequence ret(reinterpret_cast<sal_Int8*>(pBuf.get()), lenBuf );
 136     return ret;
 137 }
 138
 139 OUString getDirFromFile(std::u16string_view usFilePath)
 140 {
 141     size_t index = usFilePath.rfind('/');
 142     return OUString(usFilePath.substr(0, index));
 143 }
 144
 145 OUString getLibraryLocation()
 146 {
 147     OUString libraryFileUrl;
 148
 149     if (!osl::Module::getUrlFromAddress(
 150             reinterpret_cast< oslGenericFunction >(getLibraryLocation),
 151             libraryFileUrl))
 152         throw FrameworkException(JFW_E_ERROR,
 153                     "[Java framework] Error in function getLibraryLocation (fwkutil.cxx)."_ostr);
 154
 155     return getDirFromFile(libraryFileUrl);
 156 }
 157
 158 jfw::FileStatus checkFileURL(const OUString & sURL)
 159 {
 160     jfw::FileStatus ret = jfw::FILE_OK;
 161     DirectoryItem item;
 162     File::RC rc_item = DirectoryItem::get(sURL, item);
 163     if (File::E_None == rc_item)
 164     {
 165         osl::FileStatus status(osl_FileStatus_Mask_Validate);
 166
 167         File::RC rc_stat = item.getFileStatus(status);
 168         if (File::E_None == rc_stat)
 169         {
 170             ret = FILE_OK;
 171         }
 172         else if (File::E_NOENT == rc_stat)
 173         {
 174             ret = FILE_DOES_NOT_EXIST;
 175         }
 176         else
 177         {
 178             ret = FILE_INVALID;
 179         }
 180     }
 181     else if (File::E_NOENT == rc_item)
 182     {
 183         ret = FILE_DOES_NOT_EXIST;
 184     }
 185     else
 186     {
 187         ret = FILE_INVALID;
 188     }
 189     return ret;
 190 }
 191
 192 }
 193
 194 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */