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kresources

resource.cpp
00001 /*
00002     This file is part of libkresources.
00003 
00004     Copyright (c) 2001 Cornelius Schumacher <schumacher@kde.org>
00005     Copyright (c) 2002 Jan-Pascal van Best <janpascal@vanbest.org>
00006     Copyright (c) 2003 Cornelius Schumacher <schumacher@kde.org>
00007 
00008     This library is free software; you can redistribute it and/or
00009     modify it under the terms of the GNU Library General Public
00010     License as published by the Free Software Foundation; either
00011     version 2 of the License, or (at your option) any later version.
00012 
00013     This library is distributed in the hope that it will be useful,
00014     but WITHOUT ANY WARRANTY; without even the implied warranty of
00015     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00016     Library General Public License for more details.
00017 
00018     You should have received a copy of the GNU Library General Public License
00019     along with this library; see the file COPYING.LIB.  If not, write to
00020     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00021     Boston, MA 02110-1301, USA.
00022 */
00023 
00024 #include "resource.h"
00025 
00026 #include <kdebug.h>
00027 #include <krandom.h>
00028 #include <kconfig.h>
00029 #include <klocale.h>
00030 #include <kconfiggroup.h>
00031 
00032 using namespace KRES;
00033 
00034 class Resource::ResourcePrivate
00035 {
00036   public:
00037 #ifdef QT_THREAD_SUPPORT
00038     QMutex mMutex;
00039 #endif
00040     int mOpenCount;
00041     QString mType;
00042     QString mIdentifier;
00043     bool mReadOnly;
00044     QString mName;
00045     bool mActive;
00046     bool mIsOpen;
00047 };
00048 
00049 /*
00050 Resource::Resource( const KConfig* config )
00051   : QObject( 0 ), d( new ResourcePrivate )
00052 {
00053   d->mOpenCount = 0;
00054   d->mIsOpen = false;
00055 
00056   if ( config ) {
00057     d->mType = config->readEntry( "ResourceType" );
00058     d->mName = config->readEntry( "ResourceName" );
00059     d->mReadOnly = config->readEntry("ResourceIsReadOnly", false);
00060     d->mActive = config->readEntry("ResourceIsActive", true);
00061     d->mIdentifier = config->readEntry( "ResourceIdentifier" );
00062   } else {
00063     d->mType = "type";
00064     d->mName = i18n("resource");
00065     d->mReadOnly = false;
00066     d->mActive = true;
00067     d->mIdentifier = KRandom::randomString( 10 );
00068   }
00069 }
00070 */
00071 
00072 Resource::Resource()
00073   : QObject( 0 ), d( new ResourcePrivate )
00074 {
00075   d->mOpenCount = 0;
00076   d->mIsOpen = false;
00077 
00078   d->mType = "type";
00079   d->mName = i18n( "resource" );
00080   d->mReadOnly = false;
00081   d->mActive = true;
00082   d->mIdentifier = KRandom::randomString( 10 );
00083 }
00084 
00085 Resource::Resource( const KConfigGroup &group )
00086   : QObject( 0 ), d( new ResourcePrivate )
00087 {
00088   d->mOpenCount = 0;
00089   d->mIsOpen = false;
00090 
00091   d->mType = group.readEntry( "ResourceType" );
00092   d->mName = group.readEntry( "ResourceName" );
00093   d->mReadOnly = group.readEntry( "ResourceIsReadOnly", false );
00094   d->mActive = group.readEntry( "ResourceIsActive", true );
00095   d->mIdentifier = group.readEntry( "ResourceIdentifier" );
00096 }
00097 
00098 Resource::~Resource()
00099 {
00100   delete d;
00101 }
00102 
00103 void Resource::writeConfig( KConfigGroup &group )
00104 {
00105   kDebug();
00106 
00107   group.writeEntry( "ResourceType", d->mType );
00108   group.writeEntry( "ResourceName", d->mName );
00109   group.writeEntry( "ResourceIsReadOnly", d->mReadOnly );
00110   group.writeEntry( "ResourceIsActive", d->mActive );
00111   group.writeEntry( "ResourceIdentifier", d->mIdentifier );
00112 }
00113 
00114 bool Resource::open()
00115 {
00116   d->mIsOpen = true;
00117 #ifdef QT_THREAD_SUPPORT
00118   QMutexLocker guard( &(d->mMutex) );
00119 #endif
00120   if ( !d->mOpenCount ) {
00121     kDebug() << "Opening resource" << resourceName();
00122     d->mIsOpen = doOpen();
00123   }
00124   d->mOpenCount++;
00125   return d->mIsOpen;
00126 }
00127 
00128 void Resource::close()
00129 {
00130 #ifdef QT_THREAD_SUPPORT
00131   QMutexLocker guard( &(d->mMutex) );
00132 #endif
00133   if ( !d->mOpenCount ) {
00134     kDebug() << "ERROR: Resource" << resourceName()
00135              << " closed more times than previously opened";
00136     return;
00137   }
00138   d->mOpenCount--;
00139   if ( !d->mOpenCount ) {
00140     kDebug() << "Closing resource" << resourceName();
00141     doClose();
00142     d->mIsOpen = false;
00143   } else {
00144     kDebug() << "Not yet closing resource" << resourceName()
00145              << ", open count =" << d->mOpenCount;
00146   }
00147 }
00148 
00149 bool Resource::isOpen() const
00150 {
00151   return d->mIsOpen;
00152 }
00153 
00154 void Resource::setIdentifier( const QString &identifier )
00155 {
00156   d->mIdentifier = identifier;
00157 }
00158 
00159 QString Resource::identifier() const
00160 {
00161   return d->mIdentifier;
00162 }
00163 
00164 void Resource::setType( const QString &type )
00165 {
00166   d->mType = type;
00167 }
00168 
00169 QString Resource::type() const
00170 {
00171   return d->mType;
00172 }
00173 
00174 void Resource::setReadOnly( bool value )
00175 {
00176   d->mReadOnly = value;
00177 }
00178 
00179 bool Resource::readOnly() const
00180 {
00181   return d->mReadOnly;
00182 }
00183 
00184 void Resource::setResourceName( const QString &name )
00185 {
00186   d->mName = name;
00187 }
00188 
00189 QString Resource::resourceName() const
00190 {
00191   return d->mName;
00192 }
00193 
00194 void Resource::setActive( bool value )
00195 {
00196   d->mActive = value;
00197 }
00198 
00199 bool Resource::isActive() const
00200 {
00201   return d->mActive;
00202 }
00203 
00204 void Resource::dump() const
00205 {
00206   kDebug() << "Resource:";
00207   kDebug() << "  Name:" << d->mName;
00208   kDebug() << "  Identifier:" << d->mIdentifier;
00209   kDebug() << "  Type:" << d->mType;
00210   kDebug() << "  OpenCount:" << d->mOpenCount;
00211   kDebug() << "  ReadOnly:" << ( d->mReadOnly ? "yes" : "no" );
00212   kDebug() << "  Active:" << ( d->mActive ? "yes" : "no" );
00213   kDebug() << "  IsOpen:" << ( d->mIsOpen ? "yes" : "no" );
00214 }
00215 
00216 bool Resource::doOpen()
00217 {
00218   return true;
00219 }
00220 
00221 void Resource::doClose()
00222 {
00223 }
00224 
00225 QObject *PluginFactoryBase::createObject( QObject *parent,
00226                                           const char *className,
00227                                           const QStringList &args )
00228 {
00229   Q_UNUSED( parent );
00230   Q_UNUSED( className );
00231   Q_UNUSED( args );
00232   return 0;
00233 }
00234 
00235 #include "resource.moc"

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