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-rw-r--r--ucb/source/ucp/gio/gio_seekable.cxx140
1 files changed, 140 insertions, 0 deletions
diff --git a/ucb/source/ucp/gio/gio_seekable.cxx b/ucb/source/ucp/gio/gio_seekable.cxx
new file mode 100644
index 000000000000..3bfce6b9b6b9
--- /dev/null
+++ b/ucb/source/ucp/gio/gio_seekable.cxx
@@ -0,0 +1,140 @@
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * 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.
+ *
+ ************************************************************************/
+
+#include <rtl/memory.h>
+#include <com/sun/star/ucb/InteractiveAugmentedIOException.hpp>
+#include <ucbhelper/cancelcommandexecution.hxx>
+#include <string.h>
+
+#include "gio_seekable.hxx"
+#include "gio_content.hxx"
+
+using namespace com::sun::star;
+
+namespace gio
+{
+
+Seekable::Seekable(GSeekable *pStream) : mpStream(pStream)
+{
+ if (!mpStream)
+ throw io::NotConnectedException();
+}
+
+Seekable::~Seekable( void )
+{
+}
+
+void SAL_CALL Seekable::truncate( void )
+ throw( io::IOException, uno::RuntimeException )
+{
+ if (!mpStream)
+ throw io::NotConnectedException();
+
+ if (!g_seekable_can_truncate(mpStream))
+ throw io::IOException(rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("Truncate unsupported")),
+ static_cast< cppu::OWeakObject * >(this));
+
+ GError *pError=NULL;
+ if (!g_seekable_truncate(mpStream, 0, NULL, &pError))
+ convertToException(pError, static_cast< cppu::OWeakObject * >(this));
+}
+
+void SAL_CALL Seekable::seek( sal_Int64 location )
+ throw( lang::IllegalArgumentException, io::IOException, uno::RuntimeException )
+{
+ if (!mpStream)
+ throw io::NotConnectedException();
+
+ if (!g_seekable_can_seek(mpStream))
+ throw io::IOException(rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("Seek unsupported")),
+ static_cast< cppu::OWeakObject * >(this));
+
+ GError *pError=NULL;
+ if (!g_seekable_seek(mpStream, location, G_SEEK_SET, NULL, &pError))
+ convertToException(pError, static_cast< cppu::OWeakObject * >(this));
+}
+
+sal_Int64 SAL_CALL Seekable::getPosition() throw( io::IOException, uno::RuntimeException )
+{
+ if (!mpStream)
+ throw io::NotConnectedException();
+
+ return g_seekable_tell(mpStream);
+}
+
+sal_Int64 SAL_CALL Seekable::getLength() throw( io::IOException, uno::RuntimeException )
+{
+ if (!mpStream)
+ throw io::NotConnectedException();
+
+ bool bOk = false;
+ sal_uInt64 nSize = 0;
+
+ GFileInfo* pInfo = G_IS_FILE_INPUT_STREAM(mpStream)
+ ? g_file_input_stream_query_info(G_FILE_INPUT_STREAM(mpStream), const_cast<char*>(G_FILE_ATTRIBUTE_STANDARD_SIZE), NULL, NULL)
+ : g_file_output_stream_query_info(G_FILE_OUTPUT_STREAM(mpStream), const_cast<char*>(G_FILE_ATTRIBUTE_STANDARD_SIZE), NULL, NULL);
+
+ if (pInfo)
+ {
+ if (g_file_info_has_attribute(pInfo, G_FILE_ATTRIBUTE_STANDARD_SIZE))
+ {
+ nSize = g_file_info_get_size(pInfo);
+ bOk = true;
+ }
+ g_object_unref(pInfo);
+ }
+
+ if (!bOk)
+ {
+ GError *pError=NULL;
+ sal_Int64 nCurr = getPosition();
+ if (!g_seekable_seek(mpStream, 0, G_SEEK_END, NULL, &pError))
+ convertToException(pError, static_cast< cppu::OWeakObject * >(this));
+ nSize = getPosition();
+ seek(nCurr);
+ bOk = true;
+ }
+
+ if (!bOk)
+ throw io::IOException(rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("Getting size unsupported")),
+ static_cast< cppu::OWeakObject * >(this));
+
+ return nSize;
+}
+
+uno::Any Seekable::queryInterface( const uno::Type &type ) throw( uno::RuntimeException )
+{
+ uno::Any aRet = ::cppu::queryInterface ( type,
+ static_cast< XSeekable * >( this ) );
+
+ if (!aRet.hasValue() && g_seekable_can_truncate(mpStream))
+ aRet = ::cppu::queryInterface ( type, static_cast< XTruncate * >( this ) );
+
+ return aRet.hasValue() ? aRet : OWeakObject::queryInterface( type );
+}
+
+}