kabc Library API Documentation

resourcenet.cpp

00001 /* 00002 This file is part of libkabc. 00003 Copyright (c) 2003 Tobias Koenig <tokoe@kde.org> 00004 00005 This library is free software; you can redistribute it and/or 00006 modify it under the terms of the GNU Library General Public 00007 License as published by the Free Software Foundation; either 00008 version 2 of the License, or (at your option) any later version. 00009 00010 This library is distributed in the hope that it will be useful, 00011 but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00013 Library General Public License for more details. 00014 00015 You should have received a copy of the GNU Library General Public License 00016 along with this library; see the file COPYING.LIB. If not, write to 00017 the Free Software Foundation, Inc., 59 Temple Place - Suite 330, 00018 Boston, MA 02111-1307, USA. 00019 */ 00020 00021 #include <qfile.h> 00022 00023 #include <kdebug.h> 00024 #include <kio/netaccess.h> 00025 #include <kio/scheduler.h> 00026 #include <klocale.h> 00027 #include <ktempfile.h> 00028 #include <kurlrequester.h> 00029 00030 #include "addressbook.h" 00031 #include "formatfactory.h" 00032 #include "resourcenetconfig.h" 00033 #include "stdaddressbook.h" 00034 00035 #include "resourcenet.h" 00036 00037 using namespace KABC; 00038 00039 ResourceNet::ResourceNet( const KConfig *config ) 00040 : Resource( config ), mFormat( 0 ), 00041 mLocalTempFile( 0 ), mUseLocalTempFile( false ) 00042 { 00043 if ( config ) { 00044 init( config->readPathEntry( "NetUrl" ), config->readEntry( "NetFormat" ) ); 00045 } else { 00046 init( KURL(), "vcard" ); 00047 } 00048 } 00049 00050 ResourceNet::ResourceNet( const KURL &url, const QString &format ) 00051 : Resource( 0 ), mFormat( 0 ), 00052 mLocalTempFile( 0 ), mUseLocalTempFile( false ) 00053 { 00054 init( url, format ); 00055 } 00056 00057 void ResourceNet::init( const KURL &url, const QString &format ) 00058 { 00059 mFormatName = format; 00060 00061 FormatFactory *factory = FormatFactory::self(); 00062 mFormat = factory->format( mFormatName ); 00063 if ( !mFormat ) { 00064 mFormatName = "vcard"; 00065 mFormat = factory->format( mFormatName ); 00066 } 00067 00068 setUrl( url ); 00069 } 00070 00071 ResourceNet::~ResourceNet() 00072 { 00073 delete mFormat; 00074 mFormat = 0; 00075 00076 delete mLocalTempFile; 00077 mLocalTempFile = 0; 00078 } 00079 00080 void ResourceNet::writeConfig( KConfig *config ) 00081 { 00082 Resource::writeConfig( config ); 00083 00084 config->writePathEntry( "NetUrl", mUrl.url() ); 00085 config->writeEntry( "NetFormat", mFormatName ); 00086 } 00087 00088 Ticket *ResourceNet::requestSaveTicket() 00089 { 00090 kdDebug(5700) << "ResourceNet::requestSaveTicket()" << endl; 00091 00092 if ( mTempFile.isEmpty() ) 00093 return 0; 00094 00095 return createTicket( this ); 00096 } 00097 00098 void ResourceNet::releaseSaveTicket( Ticket *ticket ) 00099 { 00100 KIO::NetAccess::removeTempFile( mTempFile ); 00101 delete ticket; 00102 } 00103 00104 bool ResourceNet::doOpen() 00105 { 00106 return true; 00107 } 00108 00109 void ResourceNet::doClose() 00110 { 00111 } 00112 00113 bool ResourceNet::load() 00114 { 00115 if ( !KIO::NetAccess::exists( mUrl, true, 0 ) ) { 00116 mLocalTempFile = new KTempFile(); 00117 mLocalTempFile->setAutoDelete( true ); 00118 mUseLocalTempFile = true; 00119 mTempFile = mLocalTempFile->name(); 00120 } 00121 00122 if ( !KIO::NetAccess::download( mUrl, mTempFile, 0 ) ) { 00123 addressBook()->error( i18n( "Unable to download file '%1'." ).arg( mUrl.url() ) ); 00124 return false; 00125 } 00126 00127 QFile file( mTempFile ); 00128 if ( !file.open( IO_ReadOnly ) ) { 00129 addressBook()->error( i18n( "Unable to open file '%1'." ).arg( mUrl.url() ) ); 00130 return false; 00131 } 00132 00133 return mFormat->loadAll( addressBook(), this, &file ); 00134 } 00135 00136 bool ResourceNet::asyncLoad() 00137 { 00138 if ( mLocalTempFile ) { 00139 kdDebug(5700) << "stale temp file dedected " << mLocalTempFile->name() << endl; 00140 mLocalTempFile->setAutoDelete( true ); 00141 delete mLocalTempFile; 00142 } 00143 00144 mLocalTempFile = new KTempFile(); 00145 mUseLocalTempFile = true; 00146 mTempFile = mLocalTempFile->name(); 00147 00148 KURL dest; 00149 dest.setPath( mTempFile ); 00150 00151 KIO::Scheduler::checkSlaveOnHold( true ); 00152 KIO::Job * job = KIO::file_copy( mUrl, dest, -1, true, false, false ); 00153 connect( job, SIGNAL( result( KIO::Job* ) ), 00154 this, SLOT( downloadFinished( KIO::Job* ) ) ); 00155 00156 return true; 00157 } 00158 00159 bool ResourceNet::save( Ticket* ) 00160 { 00161 QFile file( mTempFile ); 00162 00163 if ( !file.open( IO_WriteOnly ) ) { 00164 addressBook()->error( i18n( "Unable to open file '%1'." ).arg( mUrl.url() ) ); 00165 return false; 00166 } 00167 00168 mFormat->saveAll( addressBook(), this, &file ); 00169 file.close(); 00170 00171 return KIO::NetAccess::upload( mTempFile, mUrl, 0 ); 00172 } 00173 00174 bool ResourceNet::asyncSave( Ticket* ) 00175 { 00176 QFile file( mTempFile ); 00177 00178 if ( !file.open( IO_WriteOnly ) ) { 00179 emit savingError( this, i18n( "Unable to open file '%1'." ).arg( mTempFile ) ); 00180 return false; 00181 } 00182 00183 mFormat->saveAll( addressBook(), this, &file ); 00184 file.close(); 00185 00186 KURL src; 00187 src.setPath( mTempFile ); 00188 00189 KIO::Scheduler::checkSlaveOnHold( true ); 00190 KIO::Job * job = KIO::file_copy( src, mUrl, -1, true, false, false ); 00191 connect( job, SIGNAL( result( KIO::Job* ) ), 00192 this, SLOT( uploadFinished( KIO::Job* ) ) ); 00193 00194 return true; 00195 } 00196 00197 void ResourceNet::setUrl( const KURL &url ) 00198 { 00199 mUrl = url; 00200 } 00201 00202 KURL ResourceNet::url() const 00203 { 00204 return mUrl; 00205 } 00206 00207 void ResourceNet::setFormat( const QString &name ) 00208 { 00209 mFormatName = name; 00210 if ( mFormat ) 00211 delete mFormat; 00212 00213 FormatFactory *factory = FormatFactory::self(); 00214 mFormat = factory->format( mFormatName ); 00215 } 00216 00217 QString ResourceNet::format() const 00218 { 00219 return mFormatName; 00220 } 00221 00222 void ResourceNet::downloadFinished( KIO::Job* ) 00223 { 00224 if ( !mLocalTempFile ) 00225 emit loadingError( this, i18n( "Download failed in some way!" ) ); 00226 00227 QFile file( mTempFile ); 00228 if ( !file.open( IO_ReadOnly ) ) { 00229 emit loadingError( this, i18n( "Unable to open file '%1'." ).arg( mTempFile ) ); 00230 return; 00231 } 00232 00233 if ( !mFormat->loadAll( addressBook(), this, &file ) ) 00234 emit loadingError( this, i18n( "Problems during parsing file '%1'." ).arg( mTempFile ) ); 00235 else 00236 emit loadingFinished( this ); 00237 } 00238 00239 void ResourceNet::uploadFinished( KIO::Job *job ) 00240 { 00241 if ( job->error() ) 00242 emit savingError( this, job->errorString() ); 00243 else 00244 emit savingFinished( this ); 00245 } 00246 00247 #include "resourcenet.moc"
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This file is part of the documentation for kabc Library Version 3.2.3.
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