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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: filehelper.cxx,v $
* $Revision: 1.19 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_configmgr.hxx"
#ifndef _RTL_USTRING_H_
#include <rtl/ustring.hxx>
#endif
#include <osl/file.hxx>
#include "filehelper.hxx"
#include <rtl/ustrbuf.hxx>
#include <osl/diagnose.h>
#define ASCII(x) rtl::OUString::createFromAscii(x)
namespace configmgr
{
//==========================================================================
//= FileHelper
//==========================================================================
// -----------------------------------------------------------------------------
bool FileHelper::tryToRemoveFile(const rtl::OUString& _aURL, bool tryBackupFirst)
{
if (tryBackupFirst)
{
rtl::OUString aBakURL = _aURL.concat( ASCII(".bak") );
osl::File::RC eBakError = osl::File::move(_aURL,aBakURL);
if (eBakError == osl::File::E_None)
return true;
}
osl::File::RC eError = osl::File::remove(_aURL);
return eError == osl::File::E_None || eError == osl::File::E_NOENT;
}
// -----------------------------------------------------------------------------
void FileHelper::replaceFile(
const rtl::OUString& _aToURL, const rtl::OUString &_aFromURL) SAL_THROW((io::IOException))
{
osl::File::remove(_aToURL);
osl::File::RC eError = osl::File::move(_aFromURL, _aToURL);
if (eError != osl::File::E_None &&
eError != osl::File::E_NOENT)
{
rtl::OUStringBuffer sErrorBuf;
sErrorBuf.appendAscii("Configmgr: replaceFile failed ");
sErrorBuf.appendAscii("for replacing file \"").append(_aFromURL).appendAscii("\". ");
sErrorBuf.appendAscii("by file \"").append(_aToURL).appendAscii("\". ");
sErrorBuf.appendAscii("Error = \"").append(FileHelper::createOSLErrorString(eError)).appendAscii("\" ");
sErrorBuf.appendAscii("[").append(sal_Int32(eError)).appendAscii("] ");
rtl::OUString const sError = sErrorBuf.makeStringAndClear();
OSL_ENSURE(0, rtl::OUStringToOString(sError,RTL_TEXTENCODING_ASCII_US).getStr());
throw io::IOException(sError, NULL);
}
}
// -----------------------------------------------------------------------------
bool FileHelper::fileExists(rtl::OUString const& _sFileURL)
{
osl::DirectoryItem aItem;
return osl::DirectoryItem::get(_sFileURL, aItem) == osl::Directory::E_None;
}
// -----------------------------------------------------------------------------
bool FileHelper::dirExists(rtl::OUString const& _sDirURL)
{
return osl::Directory(_sDirURL).open() == osl::Directory::E_None;
}
// -----------------------------------------------------------------------------
sal_uInt64 FileHelper::getModifyStatus(rtl::OUString const& _sURL, TimeValue & rModifyTime)
{
static const TimeValue k_NullTime = {0,0};
sal_uInt64 aSize = 0;
rModifyTime = k_NullTime;
osl::DirectoryItem aItem;
if (osl::FileBase::E_None == osl::DirectoryItem::get(_sURL, aItem))
{
osl::FileStatus aStatus(osl_FileStatus_Mask_ModifyTime|osl_FileStatus_Mask_Type|osl_FileStatus_Mask_FileSize);
if (osl::FileBase::E_None == aItem.getFileStatus(aStatus))
{
if (aStatus.isValid(osl_FileStatus_Mask_ModifyTime))
rModifyTime = aStatus.getModifyTime();
if (aStatus.isValid(osl_FileStatus_Mask_FileSize))
aSize = aStatus.getFileSize();
}
}
return aSize;
}
// -----------------------------------------------------------------------------
rtl::OUString FileHelper::createOSLErrorString(osl::FileBase::RC eError)
{
rtl::OUString aRet;
switch(eError)
{
case osl::FileBase::E_None:
break;
case osl::FileBase::E_PERM:
aRet = ASCII("Operation not permitted");
break;
case osl::FileBase::E_NOENT:
aRet = ASCII("No such file or directory");
break;
case osl::FileBase::E_SRCH:
aRet = ASCII("unknown error: osl_File_E_SRCH");
break;
case osl::FileBase::E_INTR:
aRet = ASCII("function call was interrupted");
break;
case osl::FileBase::E_IO:
aRet = ASCII("I/O error");
break;
case osl::FileBase::E_NXIO:
aRet = ASCII("No such device or address");
break;
case osl::FileBase::E_2BIG:
aRet = ASCII("unknown error: osl_File_E_2BIG");
break;
case osl::FileBase::E_NOEXEC:
aRet = ASCII("unknown error: osl_File_E_NOEXEC");
break;
case osl::FileBase::E_BADF:
aRet = ASCII("Bad file");
break;
case osl::FileBase::E_CHILD:
aRet = ASCII("unknown error: osl_File_E_CHILD");
break;
case osl::FileBase::E_AGAIN:
aRet = ASCII("Operation would block");
break;
case osl::FileBase::E_NOMEM:
aRet = ASCII("not enough memory for allocating structures");
break;
case osl::FileBase::E_ACCES:
aRet = ASCII("Permission denied");
break;
case osl::FileBase::E_FAULT:
aRet = ASCII("Bad address");
break;
case osl::FileBase::E_BUSY:
aRet = ASCII("Text file busy");
break;
case osl::FileBase::E_EXIST:
aRet = ASCII("File exists");
break;
case osl::FileBase::E_XDEV:
aRet = ASCII("unknown error: osl_File_E_XDEV");
break;
case osl::FileBase::E_NODEV:
aRet = ASCII("No such device");
break;
case osl::FileBase::E_NOTDIR:
aRet = ASCII("Not a directory");
break;
case osl::FileBase::E_ISDIR:
aRet = ASCII("Is a director");
break;
case osl::FileBase::E_INVAL:
aRet = ASCII("the format of the parameters was not valid");
break;
case osl::FileBase::E_NFILE:
aRet = ASCII("too many open files in the system");
break;
case osl::FileBase::E_MFILE:
aRet = ASCII("too many open files used by the process");
break;
case osl::FileBase::E_NOTTY:
aRet = ASCII("unknown error: osl_File_E_NOTTY");
break;
case osl::FileBase::E_FBIG:
aRet = ASCII("File too large");
break;
case osl::FileBase::E_NOSPC:
aRet = ASCII("No space left on device");
break;
case osl::FileBase::E_SPIPE:
aRet = ASCII("unknown error: osl_File_E_SPIPE");
break;
case osl::FileBase::E_ROFS:
aRet = ASCII("Read-only file system");
break;
case osl::FileBase::E_MLINK:
aRet = ASCII("Too many links");
break;
case osl::FileBase::E_PIPE:
aRet = ASCII("unknown error: osl_File_E_PIPE");
break;
case osl::FileBase::E_DOM:
aRet = ASCII("unknown error: osl_File_E_DOM");
break;
case osl::FileBase::E_RANGE:
aRet = ASCII("unknown error: osl_File_E_RANGE");
break;
case osl::FileBase::E_DEADLK:
aRet = ASCII("unknown error: osl_File_E_DEADLK");
break;
case osl::FileBase::E_NAMETOOLONG:
aRet = ASCII("File name too long");
break;
case osl::FileBase::E_NOLCK:
aRet = ASCII("No record locks available");
break;
case osl::FileBase::E_NOSYS:
aRet = ASCII("Function not implemente");
break;
case osl::FileBase::E_NOTEMPTY:
aRet = ASCII("Directory not empt");
break;
case osl::FileBase::E_LOOP:
aRet = ASCII("Too many symbolic links encountered");
break;
case osl::FileBase::E_ILSEQ:
aRet = ASCII("unknown error: osl_File_E_ILSEQ");
break;
case osl::FileBase::E_NOLINK:
aRet = ASCII("Link has been severed");
break;
case osl::FileBase::E_MULTIHOP:
aRet = ASCII("Multihop attempted");
break;
case osl::FileBase::E_USERS:
aRet = ASCII("unknown error: osl_File_E_USERS");
break;
case osl::FileBase::E_OVERFLOW:
aRet = ASCII("Value too large for defined data type");
break;
/* unmapped error: always last entry in enum! */
default: OSL_ENSURE(false, "Found unknown OSL File Error");
case osl::FileBase::E_invalidError:
aRet = ASCII("unmapped Error");
break;
}
return aRet;
}
// -----------------------------------------------------------------------------
rtl::OUString FileHelper::getParentDir(rtl::OUString const& _sURL)
{
rtl::OUString parentDirectory ;
rtl::OUString fileName ;
splitFileUrl(_sURL, parentDirectory, fileName) ;
return parentDirectory ;
}
// -----------------------------------------------------------------------------
void FileHelper::splitFileUrl(const rtl::OUString& aFileUrl,
rtl::OUString& aParentDirectory,
rtl::OUString& aFileName) {
// goto last '/' and cut the rest.
sal_Int32 nIdx = aFileUrl.lastIndexOf(delimiter, aFileUrl.getLength());
if (nIdx > 0) {
aParentDirectory = aFileUrl.copy(0, nIdx);
aFileName = aFileUrl.copy(nIdx + 1) ;
}
else {
aParentDirectory = rtl::OUString() ;
aFileName = aFileUrl ;
}
}
// -----------------------------------------------------------------------------
rtl::OUString FileHelper::getFileName(const rtl::OUString& aFileUrl) {
rtl::OUString parentDirectory ;
rtl::OUString fileName ;
splitFileUrl(aFileUrl, parentDirectory, fileName) ;
return fileName ;
}
// -----------------------------------------------------------------------------
osl::FileBase::RC FileHelper::mkdir(rtl::OUString const& _sDirURL)
{
// direct create a directory
osl::FileBase::RC eError = osl::Directory::create(_sDirURL); // try to create the directory
if (eError == osl::FileBase::E_EXIST ||
eError == osl::FileBase::E_None ||
FileHelper::dirExists(_sDirURL))
{
eError = osl::FileBase::E_None; // Exists or created
}
return eError;
}
// -----------------------------------------------------------------------------
osl::FileBase::RC FileHelper::mkdirs(rtl::OUString const& _sDirURL)
{
osl::FileBase::RC eError = mkdir(_sDirURL);
switch (eError)
{
case osl::FileBase::E_EXIST: OSL_ASSERT(false);
case osl::FileBase::E_None:
break;
case osl::FileBase::E_NOENT:
{
rtl::OUString sParentDir = FileHelper::getParentDir(_sDirURL);
if (sParentDir.getLength() == 0)
break;
eError = mkdirs(sParentDir);
if (eError != osl::FileBase::E_None)
break;
eError = mkdir(_sDirURL);
}
break;
default: OSL_TRACE("configmgr: Could not create directory (%d).", int(eError));
break;
}
return eError;
}
} // namespace configmgr
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