1 files changed, 175 insertions, 0 deletions
diff --git a/comphelper/source/misc/documentiologring.cxx b/comphelper/source/misc/documentiologring.cxx
new file mode 100644
index 000000000000..7969b938e108
--- /dev/null
+++ b/comphelper/source/misc/documentiologring.cxx
@@ -0,0 +1,175 @@
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ * 
+ * Copyright 2008 by Sun Microsystems, Inc.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * $RCSfile: documentiologring.hxx,v $
+ * $Revision: 1.0 $
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+// MARKER(update_precomp.py): autogen include statement, do not remove
+#include "precompiled_comphelper.hxx"
+
+#include <com/sun/star/frame/DoubleInitializationException.hpp>
+#include <com/sun/star/lang/IllegalArgumentException.hpp>
+
+#include "documentiologring.hxx"
+
+using namespace ::com::sun::star;
+
+namespace comphelper
+{
+
+// ----------------------------------------------------------
+OSimpleLogRing::OSimpleLogRing( const uno::Reference< uno::XComponentContext >& /*xContext*/ )
+: m_aMessages( SIMPLELOGRING_SIZE )
+, m_bInitialized( sal_False )
+, m_bFull( sal_False )
+, m_nPos( 0 )
+{
+}
+
+// ----------------------------------------------------------
+OSimpleLogRing::~OSimpleLogRing()
+{
+}
+
+// ----------------------------------------------------------
+uno::Sequence< ::rtl::OUString > SAL_CALL OSimpleLogRing::impl_staticGetSupportedServiceNames()
+{
+    uno::Sequence< rtl::OUString > aResult( 1 );
+    aResult[0] = impl_staticGetServiceName();
+    return aResult;
+}
+
+// ----------------------------------------------------------
+::rtl::OUString SAL_CALL OSimpleLogRing::impl_staticGetImplementationName()
+{
+    return rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.comp.logging.SimpleLogRing" ) );
+}
+
+// ----------------------------------------------------------
+::rtl::OUString SAL_CALL OSimpleLogRing::impl_staticGetSingletonName()
+{
+    return rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.logging.DocumentIOLogRing" ) );
+}
+
+// ----------------------------------------------------------
+::rtl::OUString SAL_CALL OSimpleLogRing::impl_staticGetServiceName()
+{
+    return rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.logging.SimpleLogRing" ) );
+}
+
+// ----------------------------------------------------------
+uno::Reference< uno::XInterface > SAL_CALL OSimpleLogRing::impl_staticCreateSelfInstance( const uno::Reference< uno::XComponentContext >& rxContext )
+{
+    return static_cast< cppu::OWeakObject* >( new OSimpleLogRing( rxContext ) );
+}
+
+// XSimpleLogRing
+// ----------------------------------------------------------
+void SAL_CALL OSimpleLogRing::logString( const ::rtl::OUString& aMessage ) throw (uno::RuntimeException)
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+
+    m_aMessages[m_nPos] = aMessage;
+    if ( ++m_nPos >= m_aMessages.getLength() )
+    {
+        m_nPos = 0;
+        m_bFull = sal_True;
+    }
+
+    // if used once then default initialized
+    m_bInitialized = sal_True;
+}
+
+// ----------------------------------------------------------
+uno::Sequence< ::rtl::OUString > SAL_CALL OSimpleLogRing::getCollectedLog() throw (uno::RuntimeException)
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+
+    sal_Int32 nResLen = m_bFull ? m_aMessages.getLength() : m_nPos;
+    sal_Int32 nStart = m_bFull ? m_nPos : 0;
+    uno::Sequence< ::rtl::OUString > aResult( nResLen );
+
+    for ( sal_Int32 nInd = 0; nInd < nResLen; nInd++ )
+        aResult[nInd] = m_aMessages[ ( nStart + nInd ) % m_aMessages.getLength() ];
+
+    // if used once then default initialized
+    m_bInitialized = sal_True;
+
+    return aResult;
+}
+
+// XInitialization
+// ----------------------------------------------------------
+void SAL_CALL OSimpleLogRing::initialize( const uno::Sequence< uno::Any >& aArguments ) throw (uno::Exception, uno::RuntimeException)
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+    if ( m_bInitialized )
+        throw frame::DoubleInitializationException();
+
+    if ( !m_refCount )
+        throw uno::RuntimeException(); // the object must be refcounted already!
+
+    sal_Int32 nLen = 0;
+    if ( aArguments.getLength() == 1 && ( aArguments[0] >>= nLen ) && nLen )
+        m_aMessages.realloc( nLen );
+    else
+        throw lang::IllegalArgumentException(
+                ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM("Nonnull size is expected as the first argument!" ) ),
+                uno::Reference< uno::XInterface >(),
+                0 );
+
+    m_bInitialized = sal_True;
+}
+
+// XServiceInfo
+// ----------------------------------------------------------
+::rtl::OUString SAL_CALL OSimpleLogRing::getImplementationName() throw (uno::RuntimeException)
+{
+    return impl_staticGetImplementationName();
+}
+
+// ----------------------------------------------------------
+::sal_Bool SAL_CALL OSimpleLogRing::supportsService( const ::rtl::OUString& aServiceName ) throw (uno::RuntimeException)
+{
+    const uno::Sequence< rtl::OUString > & aSupportedNames = impl_staticGetSupportedServiceNames();
+    for ( sal_Int32 nInd = 0; nInd < aSupportedNames.getLength(); nInd++ )
+    {
+        if ( aSupportedNames[ nInd ].equals( aServiceName ) )
+            return sal_True;
+    }
+
+    return sal_False;
+}
+
+// ----------------------------------------------------------
+uno::Sequence< ::rtl::OUString > SAL_CALL OSimpleLogRing::getSupportedServiceNames() throw (uno::RuntimeException)
+{
+    return impl_staticGetSupportedServiceNames();
+}
+
+} // namespace comphelper
+