comphelper/source/misc/documentiologring.cxx

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  27
  28 // MARKER(update_precomp.py): autogen include statement, do not remove
  29 #include "precompiled_comphelper.hxx"
  30
  31 #include <com/sun/star/frame/DoubleInitializationException.hpp>
  32 #include <com/sun/star/lang/IllegalArgumentException.hpp>
  33
  34 #include <comphelper_module.hxx>
  35
  36 #include "documentiologring.hxx"
  37
  38 using namespace ::com::sun::star;
  39
  40 namespace comphelper
  41 {
  42
  43 // ----------------------------------------------------------
  44 OSimpleLogRing::OSimpleLogRing( const uno::Reference< uno::XComponentContext >& /*xContext*/ )
  45 : m_aMessages( SIMPLELOGRING_SIZE )
  46 , m_bInitialized( sal_False )
  47 , m_bFull( sal_False )
  48 , m_nPos( 0 )
  49 {
  50 }
  51
  52 // ----------------------------------------------------------
  53 OSimpleLogRing::~OSimpleLogRing()
  54 {
  55 }
  56
  57 // ----------------------------------------------------------
  58 uno::Sequence< ::rtl::OUString > SAL_CALL OSimpleLogRing::getSupportedServiceNames_static()
  59 {
  60     uno::Sequence< rtl::OUString > aResult( 1 );
  61     aResult[0] = getServiceName_static();
  62     return aResult;
  63 }
  64
  65 // ----------------------------------------------------------
  66 ::rtl::OUString SAL_CALL OSimpleLogRing::getImplementationName_static()
  67 {
  68     return rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.comp.logging.SimpleLogRing" ) );
  69 }
  70
  71 // ----------------------------------------------------------
  72 ::rtl::OUString SAL_CALL OSimpleLogRing::getSingletonName_static()
  73 {
  74     return rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.logging.DocumentIOLogRing" ) );
  75 }
  76
  77 // ----------------------------------------------------------
  78 ::rtl::OUString SAL_CALL OSimpleLogRing::getServiceName_static()
  79 {
  80     return rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.logging.SimpleLogRing" ) );
  81 }
  82
  83 // ----------------------------------------------------------
  84 uno::Reference< uno::XInterface > SAL_CALL OSimpleLogRing::Create( const uno::Reference< uno::XComponentContext >& rxContext )
  85 {
  86     return static_cast< cppu::OWeakObject* >( new OSimpleLogRing( rxContext ) );
  87 }
  88
  89 // XSimpleLogRing
  90 // ----------------------------------------------------------
  91 void SAL_CALL OSimpleLogRing::logString( const ::rtl::OUString& aMessage ) throw (uno::RuntimeException)
  92 {
  93     ::osl::MutexGuard aGuard( m_aMutex );
  94
  95     m_aMessages[m_nPos] = aMessage;
  96     if ( ++m_nPos >= m_aMessages.getLength() )
  97     {
  98         m_nPos = 0;
  99         m_bFull = sal_True;
 100     }
 101
 102     // if used once then default initialized
 103     m_bInitialized = sal_True;
 104 }
 105
 106 // ----------------------------------------------------------
 107 uno::Sequence< ::rtl::OUString > SAL_CALL OSimpleLogRing::getCollectedLog() throw (uno::RuntimeException)
 108 {
 109     ::osl::MutexGuard aGuard( m_aMutex );
 110
 111     sal_Int32 nResLen = m_bFull ? m_aMessages.getLength() : m_nPos;
 112     sal_Int32 nStart = m_bFull ? m_nPos : 0;
 113     uno::Sequence< ::rtl::OUString > aResult( nResLen );
 114
 115     for ( sal_Int32 nInd = 0; nInd < nResLen; nInd++ )
 116         aResult[nInd] = m_aMessages[ ( nStart + nInd ) % m_aMessages.getLength() ];
 117
 118     // if used once then default initialized
 119     m_bInitialized = sal_True;
 120
 121     return aResult;
 122 }
 123
 124 // XInitialization
 125 // ----------------------------------------------------------
 126 void SAL_CALL OSimpleLogRing::initialize( const uno::Sequence< uno::Any >& aArguments ) throw (uno::Exception, uno::RuntimeException)
 127 {
 128     ::osl::MutexGuard aGuard( m_aMutex );
 129     if ( m_bInitialized )
 130         throw frame::DoubleInitializationException();
 131
 132     if ( !m_refCount )
 133         throw uno::RuntimeException(); // the object must be refcounted already!
 134
 135     sal_Int32 nLen = 0;
 136     if ( aArguments.getLength() == 1 && ( aArguments[0] >>= nLen ) && nLen )
 137         m_aMessages.realloc( nLen );
 138     else
 139         throw lang::IllegalArgumentException(
 140                 ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM("Nonnull size is expected as the first argument!" ) ),
 141                 uno::Reference< uno::XInterface >(),
 142                 0 );
 143
 144     m_bInitialized = sal_True;
 145 }
 146
 147 // XServiceInfo
 148 // ----------------------------------------------------------
 149 ::rtl::OUString SAL_CALL OSimpleLogRing::getImplementationName() throw (uno::RuntimeException)
 150 {
 151     return getImplementationName_static();
 152 }
 153
 154 // ----------------------------------------------------------
 155 ::sal_Bool SAL_CALL OSimpleLogRing::supportsService( const ::rtl::OUString& aServiceName ) throw (uno::RuntimeException)
 156 {
 157     const uno::Sequence< rtl::OUString > & aSupportedNames = getSupportedServiceNames_static();
 158     for ( sal_Int32 nInd = 0; nInd < aSupportedNames.getLength(); nInd++ )
 159     {
 160         if ( aSupportedNames[ nInd ].equals( aServiceName ) )
 161             return sal_True;
 162     }
 163
 164     return sal_False;
 165 }
 166
 167 // ----------------------------------------------------------
 168 uno::Sequence< ::rtl::OUString > SAL_CALL OSimpleLogRing::getSupportedServiceNames() throw (uno::RuntimeException)
 169 {
 170     return getSupportedServiceNames_static();
 171 }
 172
 173 } // namespace comphelper
 174
 175 void createRegistryInfo_OSimpleLogRing()
 176 {
 177     static ::comphelper::module::OAutoRegistration< ::comphelper::OSimpleLogRing > aAutoRegistration;
 178     static ::comphelper::module::OSingletonRegistration< ::comphelper::OSimpleLogRing > aSingletonRegistration;
 179 }