comphelper/source/misc/documentiologring.cxx

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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_comphelper.hxx"
  33
  34 #include <com/sun/star/frame/DoubleInitializationException.hpp>
  35 #include <com/sun/star/lang/IllegalArgumentException.hpp>
  36
  37 #include "documentiologring.hxx"
  38
  39 using namespace ::com::sun::star;
  40
  41 namespace comphelper
  42 {
  43
  44 // ----------------------------------------------------------
  45 OSimpleLogRing::OSimpleLogRing( const uno::Reference< uno::XComponentContext >& /*xContext*/ )
  46 : m_aMessages( SIMPLELOGRING_SIZE )
  47 , m_bInitialized( sal_False )
  48 , m_bFull( sal_False )
  49 , m_nPos( 0 )
  50 {
  51 }
  52
  53 // ----------------------------------------------------------
  54 OSimpleLogRing::~OSimpleLogRing()
  55 {
  56 }
  57
  58 // ----------------------------------------------------------
  59 uno::Sequence< ::rtl::OUString > SAL_CALL OSimpleLogRing::impl_staticGetSupportedServiceNames()
  60 {
  61     uno::Sequence< rtl::OUString > aResult( 1 );
  62     aResult[0] = impl_staticGetServiceName();
  63     return aResult;
  64 }
  65
  66 // ----------------------------------------------------------
  67 ::rtl::OUString SAL_CALL OSimpleLogRing::impl_staticGetImplementationName()
  68 {
  69     return rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.comp.logging.SimpleLogRing" ) );
  70 }
  71
  72 // ----------------------------------------------------------
  73 ::rtl::OUString SAL_CALL OSimpleLogRing::impl_staticGetSingletonName()
  74 {
  75     return rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.logging.DocumentIOLogRing" ) );
  76 }
  77
  78 // ----------------------------------------------------------
  79 ::rtl::OUString SAL_CALL OSimpleLogRing::impl_staticGetServiceName()
  80 {
  81     return rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.logging.SimpleLogRing" ) );
  82 }
  83
  84 // ----------------------------------------------------------
  85 uno::Reference< uno::XInterface > SAL_CALL OSimpleLogRing::impl_staticCreateSelfInstance( const uno::Reference< uno::XComponentContext >& rxContext )
  86 {
  87     return static_cast< cppu::OWeakObject* >( new OSimpleLogRing( rxContext ) );
  88 }
  89
  90 // XSimpleLogRing
  91 // ----------------------------------------------------------
  92 void SAL_CALL OSimpleLogRing::logString( const ::rtl::OUString& aMessage ) throw (uno::RuntimeException)
  93 {
  94     ::osl::MutexGuard aGuard( m_aMutex );
  95
  96     m_aMessages[m_nPos] = aMessage;
  97     if ( ++m_nPos >= m_aMessages.getLength() )
  98     {
  99         m_nPos = 0;
 100         m_bFull = sal_True;
 101     }
 102
 103     // if used once then default initialized
 104     m_bInitialized = sal_True;
 105 }
 106
 107 // ----------------------------------------------------------
 108 uno::Sequence< ::rtl::OUString > SAL_CALL OSimpleLogRing::getCollectedLog() throw (uno::RuntimeException)
 109 {
 110     ::osl::MutexGuard aGuard( m_aMutex );
 111
 112     sal_Int32 nResLen = m_bFull ? m_aMessages.getLength() : m_nPos;
 113     sal_Int32 nStart = m_bFull ? m_nPos : 0;
 114     uno::Sequence< ::rtl::OUString > aResult( nResLen );
 115
 116     for ( sal_Int32 nInd = 0; nInd < nResLen; nInd++ )
 117         aResult[nInd] = m_aMessages[ ( nStart + nInd ) % m_aMessages.getLength() ];
 118
 119     // if used once then default initialized
 120     m_bInitialized = sal_True;
 121
 122     return aResult;
 123 }
 124
 125 // XInitialization
 126 // ----------------------------------------------------------
 127 void SAL_CALL OSimpleLogRing::initialize( const uno::Sequence< uno::Any >& aArguments ) throw (uno::Exception, uno::RuntimeException)
 128 {
 129     ::osl::MutexGuard aGuard( m_aMutex );
 130     if ( m_bInitialized )
 131         throw frame::DoubleInitializationException();
 132
 133     if ( !m_refCount )
 134         throw uno::RuntimeException(); // the object must be refcounted already!
 135
 136     sal_Int32 nLen = 0;
 137     if ( aArguments.getLength() == 1 && ( aArguments[0] >>= nLen ) && nLen )
 138         m_aMessages.realloc( nLen );
 139     else
 140         throw lang::IllegalArgumentException(
 141                 ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM("Nonnull size is expected as the first argument!" ) ),
 142                 uno::Reference< uno::XInterface >(),
 143                 0 );
 144
 145     m_bInitialized = sal_True;
 146 }
 147
 148 // XServiceInfo
 149 // ----------------------------------------------------------
 150 ::rtl::OUString SAL_CALL OSimpleLogRing::getImplementationName() throw (uno::RuntimeException)
 151 {
 152     return impl_staticGetImplementationName();
 153 }
 154
 155 // ----------------------------------------------------------
 156 ::sal_Bool SAL_CALL OSimpleLogRing::supportsService( const ::rtl::OUString& aServiceName ) throw (uno::RuntimeException)
 157 {
 158     const uno::Sequence< rtl::OUString > & aSupportedNames = impl_staticGetSupportedServiceNames();
 159     for ( sal_Int32 nInd = 0; nInd < aSupportedNames.getLength(); nInd++ )
 160     {
 161         if ( aSupportedNames[ nInd ].equals( aServiceName ) )
 162             return sal_True;
 163     }
 164
 165     return sal_False;
 166 }
 167
 168 // ----------------------------------------------------------
 169 uno::Sequence< ::rtl::OUString > SAL_CALL OSimpleLogRing::getSupportedServiceNames() throw (uno::RuntimeException)
 170 {
 171     return impl_staticGetSupportedServiceNames();
 172 }
 173
 174 } // namespace comphelper
 175