Symbian3/Examples/guid-6013a680-57f9-415b-8851-c4fa63356636/_file_forwarder_8cpp_source.html
Week 32 contribution of PDK documentation content. See release notes for details. Fixes bug Bug 3582
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<h1>examples/ForumNokia/DescriptorExample/src/FileForwarder.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> * Copyright © 2008 Nokia Corporation.</span>
<a name="l00003"></a>00003 <span class="comment"> */</span>
<a name="l00004"></a>00004
<a name="l00005"></a>00005 <span class="preprocessor">#include <e32base.h></span>
<a name="l00006"></a>00006 <span class="preprocessor">#include <e32cons.h></span>
<a name="l00007"></a>00007 <span class="preprocessor">#include <e32std.h></span>
<a name="l00008"></a>00008 <span class="preprocessor">#include <f32file.h></span>
<a name="l00009"></a>00009 <span class="preprocessor">#include "DescriptorExamples.h"</span>
<a name="l00010"></a>00010
<a name="l00011"></a>00011 <span class="comment">// -----------------------------------------------------------------------------</span>
<a name="l00012"></a>00012 <span class="comment">// @see documentation from the header file "DescriptorExamples.h".</span>
<a name="l00013"></a>00013 <span class="comment">// -----------------------------------------------------------------------------</span>
<a name="l00014"></a><a class="code" href="class_c_file_forwarder.html#a8ba86f9e2f054d9c44114276428cfe98">00014</a> <span class="keywordtype">void</span> <a class="code" href="class_c_file_forwarder.html#a8ba86f9e2f054d9c44114276428cfe98">CFileForwarder::ConstructL</a>(<span class="keyword">const</span> TDesC &logFileName)
<a name="l00015"></a>00015 {
<a name="l00016"></a>00016 iBuf = HBufC::NewL( 4096 );
<a name="l00017"></a>00017
<a name="l00018"></a>00018 <span class="keywordtype">int</span> pos = logFileName.LocateReverse( <span class="charliteral">'\\'</span> );
<a name="l00019"></a>00019 TPtrC dirName = logFileName.Left( pos+1 );
<a name="l00020"></a>00020
<a name="l00021"></a>00021 User::LeaveIfError(iFsSession.Connect()); <span class="comment">// connect session</span>
<a name="l00022"></a>00022 iFsSession.MkDirAll(dirName);
<a name="l00023"></a>00023
<a name="l00024"></a>00024 <span class="keywordflow">if</span>( iFile.Open(iFsSession,logFileName,EFileWrite|EFileStreamText)
<a name="l00025"></a>00025 == KErrNone )
<a name="l00026"></a>00026 {
<a name="l00027"></a>00027 <span class="comment">// go to the end of the file</span>
<a name="l00028"></a>00028 TInt tmp = 0;
<a name="l00029"></a>00029 iFile.Seek(ESeekEnd, tmp);
<a name="l00030"></a>00030 } <span class="keywordflow">else</span>
<a name="l00031"></a>00031 {
<a name="l00032"></a>00032 <span class="comment">// file doesn't exist, create a new</span>
<a name="l00033"></a>00033 User::LeaveIfError(iFile.Replace(iFsSession,logFileName,
<a name="l00034"></a>00034 EFileWrite|EFileStreamText));
<a name="l00035"></a>00035 }
<a name="l00036"></a>00036 }
<a name="l00037"></a>00037
<a name="l00038"></a>00038 <span class="comment">// -----------------------------------------------------------------------------</span>
<a name="l00039"></a>00039 <span class="comment">// @see documentation from the header file "DescriptorExamples.h".</span>
<a name="l00040"></a>00040 <span class="comment">// -----------------------------------------------------------------------------</span>
<a name="l00041"></a><a class="code" href="class_c_file_forwarder.html#a6e4641a03eaf706f957e7ed7014bcec3">00041</a> TPtr <a class="code" href="class_c_file_forwarder.html#a6e4641a03eaf706f957e7ed7014bcec3">CFileForwarder::GetViewBuffer</a>()
<a name="l00042"></a>00042 {
<a name="l00043"></a>00043 <span class="keywordflow">return</span> iBuf->Des();
<a name="l00044"></a>00044 }
<a name="l00045"></a>00045
<a name="l00046"></a>00046 <span class="comment">// -----------------------------------------------------------------------------</span>
<a name="l00047"></a>00047 <span class="comment">// @see documentation from the header file "DescriptorExamples.h".</span>
<a name="l00048"></a>00048 <span class="comment">// -----------------------------------------------------------------------------</span>
<a name="l00049"></a><a class="code" href="class_c_file_forwarder.html#abcff5e4b92b098ffd0474ce712493d49">00049</a> <span class="keywordtype">void</span> <a class="code" href="class_c_file_forwarder.html#abcff5e4b92b098ffd0474ce712493d49">CFileForwarder::UpdateView</a>()
<a name="l00050"></a>00050 {
<a name="l00051"></a>00051 TPtrC8 representation((TUint8*)iBuf->Ptr(), iBuf->Size());
<a name="l00052"></a>00052 iFile.Write(representation);
<a name="l00053"></a>00053 iFile.Flush();
<a name="l00054"></a>00054
<a name="l00055"></a>00055 iBuf->Des().SetLength( 0 );
<a name="l00056"></a>00056 }
<a name="l00057"></a>00057
<a name="l00058"></a>00058 <span class="comment">// -----------------------------------------------------------------------------</span>
<a name="l00059"></a>00059 <span class="comment">// @see documentation from the header file "DescriptorExamples.h".</span>
<a name="l00060"></a>00060 <span class="comment">// -----------------------------------------------------------------------------</span>
<a name="l00061"></a>00061 CFileForwarder::~CFileForwarder()
<a name="l00062"></a>00062 {
<a name="l00063"></a>00063 iFile.Close();
<a name="l00064"></a>00064 iFsSession.Close();
<a name="l00065"></a>00065 <span class="keyword">delete</span> iBuf;
<a name="l00066"></a>00066 }
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