mailimporter/filter_lnotes.cpp

   1 /***************************************************************************
   2              filter_lnotes.cxx  -  Lotus Notes Structured Text mail import
   3                              -------------------
   4     begin                : Wed Feb 16, 2005
   5     copyright            : (C) 2005 by Robert Rockers
   6     email                : kconfigure@rockerssoft.com
   7  ***************************************************************************/
   8
   9 /***************************************************************************
  10  *                                                                         *
  11  *   This program is free software; you can redistribute it and/or modify  *
  12  *   it under the terms of the GNU General Public License as published by  *
  13  *   the Free Software Foundation; either version 2 of the License, or     *
  14  *   (at your option) any later version.                                   *
  15  *                                                                         *
  16  ***************************************************************************/
  17
  18
  19 #include <klocale.h>
  20 #include <kfiledialog.h>
  21 #include <ktemporaryfile.h>
  22 #include <kdebug.h>
  23 #include <QFileInfo>
  24
  25 #include "filter_lnotes.h"
  26 using namespace MailImporter;
  27
  28 /** Default constructor. */
  29 FilterLNotes::FilterLNotes() :
  30     Filter( i18n("Import Lotus Notes Emails"),
  31             "Robert Rockers",
  32             i18n("<p><b>Lotus Notes Structured Text mail import filter</b></p>"
  33                  "<p>This filter will import Structure Text files from an exported Lotus Notes email "
  34                  "client into KMail. Use this filter if you want to import mails from Lotus or other "
  35                  "mailers that use Lotus Notes' Structured Text format.</p>"
  36                  "<p><b>Note:</b> Since it is possible to recreate the folder structure, the imported "
  37                  "messages will be stored in subfolders named by the files they came from under: "
  38                  "\"LNotes-Import\" in your local folder.</p>"))
  39 {
  40     currentFile = 1;
  41     totalFiles = 0;
  42 }
  43
  44 /** Destructor. */
  45 FilterLNotes::~FilterLNotes()
  46 {
  47 }
  48
  49 /**
  50  * Recursive import of The Bat! maildir.
  51  * @param info Information storage for the operation.
  52  */
  53 void FilterLNotes::import() {
  54
  55     const QStringList filenames = KFileDialog::getOpenFileNames( QDir::homePath(), "*|" + i18n("All Files (*)"),
  56                                                                  filterInfo()->parent() );
  57     if (filenames.isEmpty()) {
  58         filterInfo()->alert(i18n("No files selected."));
  59         return;
  60     }
  61
  62     currentFile = 1;
  63     totalFiles = 0;
  64
  65     totalFiles = filenames.count();
  66     filterInfo()->setOverall(0);
  67
  68     // See filter_mbox.cxx for better reference.
  69     QStringList::ConstIterator end = filenames.constEnd();
  70     for ( QStringList::ConstIterator filename = filenames.constBegin(); filename != end; ++filename ) {
  71
  72         ++currentFile;
  73         filterInfo()->addInfoLogEntry( i18n("Importing emails from %1", *filename) );
  74         ImportLNotes( *filename );
  75         filterInfo()->setOverall( 100 * currentFile / totalFiles );
  76         if ( filterInfo()->shouldTerminate() )
  77             break;
  78     }
  79 }
  80
  81 /**
  82  * Import the files within a Folder.
  83  * @param file The name of the file to import.
  84  */
  85 void FilterLNotes::ImportLNotes(const QString &file) {
  86
  87     // See Filter_pmail.cxx for better reference
  88
  89     // Format of a Lotus Notes 5 Structured Text Document w form feed
  90     // Each email begins with a custom Header Principal:
  91     // The Message ends with a 0c character
  92
  93     // open the message
  94     QFile f(file);
  95
  96     if (! f.open( QIODevice::ReadOnly ) ) {
  97         filterInfo()->alert( i18n("Unable to open %1, skipping", file ) );
  98     } else {
  99
 100         char ch = 0;
 101         int state = 0;
 102         int n = 0;
 103         KTemporaryFile *tempfile = 0;
 104
 105         // Get folder name
 106         QFileInfo filenameInfo( file );
 107         QString folder(i18nc("Define folder name where we import lotus note mails", "LNotes-Import") +QLatin1Char('/') + filenameInfo.completeBaseName());
 108         filterInfo()->setTo(folder);
 109
 110         // State machine to read the data in. The fgetc usage is probably terribly slow ...
 111         while (f.getChar(&ch)) {
 112             switch (state) {
 113             // new message state
 114             case 0:
 115                 // open temp output file
 116                 state = 1;
 117                 filterInfo()->setCurrent(i18n("Message %1", n++));
 118                 if ( filterInfo()->shouldTerminate() )
 119                     return;
 120
 121                 tempfile = new KTemporaryFile;
 122                 tempfile->setAutoRemove(false);
 123                 tempfile->open();
 124                 // fall through
 125
 126                 // inside a message state
 127             case 1:
 128                 if (ch == 0x0c) {
 129                     // close file, send it
 130                     tempfile->close();
 131
 132                     if(filterInfo()->removeDupMessage())
 133                         addMessage( folder, tempfile->fileName() );
 134                     else
 135                         addMessage_fastImport( folder, tempfile->fileName() );
 136
 137                     tempfile->setAutoRemove(true);
 138                     state = 0;
 139
 140                     int currentPercentage = (int) ( ( (float) f.pos() / filenameInfo.size() ) * 100 );
 141                     filterInfo()->setCurrent( currentPercentage );
 142                     if ( filterInfo()->shouldTerminate() )
 143                         return;
 144
 145                     break;
 146                 }
 147                 if (ch == 0x0d) {
 148                     break;
 149                 }
 150                 tempfile->putChar(ch);
 151                 break;
 152             }
 153         }
 154
 155         if (tempfile)
 156             tempfile->close();
 157
 158         // did Folder end without 0x1a at the end?
 159         if (state != 0) {
 160             Q_ASSERT(tempfile);
 161
 162             if(filterInfo()->removeDupMessage())
 163                 addMessage( folder, tempfile->fileName() );
 164             else
 165                 addMessage_fastImport( folder, tempfile->fileName() );
 166         }
 167         if (tempfile) {
 168             tempfile->setAutoRemove(true);
 169             delete tempfile;
 170         }
 171
 172         f.close();
 173     }
 174 }
 175