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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /odk/examples/DevelopersGuide/Database/DriverSkeleton/SConnection.cxx
parentInitial commit. (diff)
downloadlibreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz
libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'odk/examples/DevelopersGuide/Database/DriverSkeleton/SConnection.cxx')
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diff --git a/odk/examples/DevelopersGuide/Database/DriverSkeleton/SConnection.cxx b/odk/examples/DevelopersGuide/Database/DriverSkeleton/SConnection.cxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*************************************************************************
+ *
+ * The Contents of this file are made available subject to the terms of
+ * the BSD license.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of Sun Microsystems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
+ * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
+ * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *************************************************************************/
+
+#include "SConnection.hxx"
+
+#include "SDatabaseMetaData.hxx"
+#include "SDriver.hxx"
+#include "SStatement.hxx"
+#include "SPreparedStatement.hxx"
+#include <com/sun/star/sdbc/ColumnValue.hpp>
+#include <com/sun/star/sdbc/XRow.hpp>
+#include <com/sun/star/sdbc/TransactionIsolation.hpp>
+#include <com/sun/star/lang/DisposedException.hpp>
+
+using namespace connectivity::skeleton;
+
+
+using namespace com::sun::star::uno;
+using namespace com::sun::star::lang;
+using namespace com::sun::star::beans;
+using namespace com::sun::star::sdbc;
+
+OConnection::OConnection(SkeletonDriver* _pDriver)
+ : OSubComponent<OConnection, OConnection_BASE>((::cppu::OWeakObject*)_pDriver, this),
+ OMetaConnection_BASE(m_aMutex),
+ m_pDriver(_pDriver),
+ m_bClosed(sal_False),
+ m_xMetaData(NULL),
+ m_bUseCatalog(sal_False),
+ m_bUseOldDateFormat(sal_False)
+{
+ m_pDriver->acquire();
+}
+
+OConnection::~OConnection()
+{
+ if(!isClosed())
+ close();
+ m_pDriver->release();
+ m_pDriver = NULL;
+}
+
+void SAL_CALL OConnection::release() throw()
+{
+ release_ChildImpl();
+}
+
+
+void OConnection::construct(const ::rtl::OUString& url,const Sequence< PropertyValue >& info)
+{
+ osl_atomic_increment( &m_refCount );
+
+ // some example code how to get the information out of the sequence
+
+ sal_Int32 nLen = url.indexOf(':');
+ nLen = url.indexOf(':',nLen+1);
+ ::rtl::OUString aDSN("DSN="), aUID, aPWD, aSysDrvSettings;
+ aDSN += url.copy(nLen+1);
+
+ const char* pUser = "user";
+ const char* pTimeout = "Timeout";
+ const char* pSilent = "Silent";
+ const char* pPwd = "password";
+ const char* pUseCatalog = "UseCatalog";
+ const char* pSysDrv = "SystemDriverSettings";
+
+ sal_Int32 nTimeout = 20;
+ sal_Bool bSilent = sal_True;
+ const PropertyValue *pBegin = info.getConstArray();
+ const PropertyValue *pEnd = pBegin + info.getLength();
+ for(;pBegin != pEnd;++pBegin)
+ {
+ if(pBegin->Name.equalsAscii(pTimeout))
+ pBegin->Value >>= nTimeout;
+ else if(pBegin->Name.equalsAscii(pSilent))
+ pBegin->Value >>= bSilent;
+ else if(pBegin->Name.equalsAscii(pUser))
+ {
+ pBegin->Value >>= aUID;
+ aDSN += ";UID=" + aUID;
+ }
+ else if(pBegin->Name.equalsAscii(pPwd))
+ {
+ pBegin->Value >>= aPWD;
+ aDSN += ";PWD=" + aPWD;
+ }
+ else if(pBegin->Name.equalsAscii(pUseCatalog))
+ {
+ pBegin->Value >>= m_bUseCatalog;
+ }
+ else if(pBegin->Name.equalsAscii(pSysDrv))
+ {
+ pBegin->Value >>= aSysDrvSettings;
+ aDSN += ";";
+ aDSN += aSysDrvSettings;
+ }
+ }
+ m_sUser = aUID;
+
+ osl_atomic_decrement( &m_refCount );
+}
+// XServiceInfo
+
+IMPLEMENT_SERVICE_INFO(OConnection, "com.sun.star.sdbc.drivers.skeleton.OConnection", "com.sun.star.sdbc.Connection")
+
+
+Reference< XStatement > SAL_CALL OConnection::createStatement( )
+{
+ ::osl::MutexGuard aGuard( m_aMutex );
+ checkDisposed(OConnection_BASE::rBHelper.bDisposed);
+
+ // create a statement
+ // the statement can only be executed once
+ Reference< XStatement > xReturn = new OStatement(this);
+ m_aStatements.push_back(WeakReferenceHelper(xReturn));
+ return xReturn;
+}
+
+Reference< XPreparedStatement > SAL_CALL OConnection::prepareStatement( const ::rtl::OUString& _sSql )
+{
+ ::osl::MutexGuard aGuard( m_aMutex );
+ checkDisposed(OConnection_BASE::rBHelper.bDisposed);
+
+ // the pre
+ if(m_aTypeInfo.empty())
+ buildTypeInfo();
+
+ // create a statement
+ // the statement can only be executed more than once
+ Reference< XPreparedStatement > xReturn = new OPreparedStatement(this,m_aTypeInfo,_sSql);
+ m_aStatements.push_back(WeakReferenceHelper(xReturn));
+ return xReturn;
+}
+
+Reference< XPreparedStatement > SAL_CALL OConnection::prepareCall( const ::rtl::OUString& _sSql )
+{
+ ::osl::MutexGuard aGuard( m_aMutex );
+ checkDisposed(OConnection_BASE::rBHelper.bDisposed);
+
+ // not implemented yet :-) a task to do
+ return NULL;
+}
+
+::rtl::OUString SAL_CALL OConnection::nativeSQL( const ::rtl::OUString& _sSql )
+{
+ ::osl::MutexGuard aGuard( m_aMutex );
+ // when you need to transform SQL92 to you driver specific you can do it here
+
+ return _sSql;
+}
+
+void SAL_CALL OConnection::setAutoCommit( sal_Bool autoCommit )
+{
+ ::osl::MutexGuard aGuard( m_aMutex );
+ checkDisposed(OConnection_BASE::rBHelper.bDisposed);
+ // here you have to set your commit mode please have a look at the jdbc documentation to get a clear explanation
+}
+
+sal_Bool SAL_CALL OConnection::getAutoCommit( )
+{
+ ::osl::MutexGuard aGuard( m_aMutex );
+ checkDisposed(OConnection_BASE::rBHelper.bDisposed);
+ // you have to distinguish which if you are in autocommit mode or not
+ // at normal case true should be fine here
+
+ return sal_True;
+}
+
+void SAL_CALL OConnection::commit( )
+{
+ ::osl::MutexGuard aGuard( m_aMutex );
+ checkDisposed(OConnection_BASE::rBHelper.bDisposed);
+
+ // when your database does support transactions you should commit here
+}
+
+void SAL_CALL OConnection::rollback( )
+{
+ ::osl::MutexGuard aGuard( m_aMutex );
+ checkDisposed(OConnection_BASE::rBHelper.bDisposed);
+
+
+ // same as commit but for the other case
+}
+
+sal_Bool SAL_CALL OConnection::isClosed( )
+{
+ ::osl::MutexGuard aGuard( m_aMutex );
+
+ // just simple -> we are close when we are disposed that means someone called dispose(); (XComponent)
+ return OConnection_BASE::rBHelper.bDisposed;
+}
+
+Reference< XDatabaseMetaData > SAL_CALL OConnection::getMetaData( )
+{
+ ::osl::MutexGuard aGuard( m_aMutex );
+ checkDisposed(OConnection_BASE::rBHelper.bDisposed);
+
+ // here we have to create the class with biggest interface
+ // The answer is 42 :-)
+ Reference< XDatabaseMetaData > xMetaData = m_xMetaData;
+ if(!xMetaData.is())
+ {
+ xMetaData = new ODatabaseMetaData(this); // need the connection because it can return it
+ m_xMetaData = xMetaData;
+ }
+
+ return xMetaData;
+}
+
+void SAL_CALL OConnection::setReadOnly( sal_Bool readOnly )
+{
+ ::osl::MutexGuard aGuard( m_aMutex );
+ checkDisposed(OConnection_BASE::rBHelper.bDisposed);
+
+ // set you connection to readonly
+}
+
+sal_Bool SAL_CALL OConnection::isReadOnly( )
+{
+ ::osl::MutexGuard aGuard( m_aMutex );
+ checkDisposed(OConnection_BASE::rBHelper.bDisposed);
+
+ // return if your connection to readonly
+ return sal_False;
+}
+
+void SAL_CALL OConnection::setCatalog( const ::rtl::OUString& catalog )
+{
+ ::osl::MutexGuard aGuard( m_aMutex );
+ checkDisposed(OConnection_BASE::rBHelper.bDisposed);
+
+ // if your database doesn't work with catalogs you go to next method otherwise you know what to do
+}
+
+::rtl::OUString SAL_CALL OConnection::getCatalog( )
+{
+ ::osl::MutexGuard aGuard( m_aMutex );
+ checkDisposed(OConnection_BASE::rBHelper.bDisposed);
+
+
+ // return your current catalog
+ return ::rtl::OUString();
+}
+
+void SAL_CALL OConnection::setTransactionIsolation( sal_Int32 level )
+{
+ ::osl::MutexGuard aGuard( m_aMutex );
+ checkDisposed(OConnection_BASE::rBHelper.bDisposed);
+
+ /// set your isolation level
+ /// please have a look at @see com.sun.star.sdbc.TransactionIsolation
+}
+
+sal_Int32 SAL_CALL OConnection::getTransactionIsolation( )
+{
+ ::osl::MutexGuard aGuard( m_aMutex );
+ checkDisposed(OConnection_BASE::rBHelper.bDisposed);
+
+
+ // please have a look at @see com.sun.star.sdbc.TransactionIsolation
+ return TransactionIsolation::NONE;
+}
+
+Reference< ::com::sun::star::container::XNameAccess > SAL_CALL OConnection::getTypeMap( )
+{
+ ::osl::MutexGuard aGuard( m_aMutex );
+ checkDisposed(OConnection_BASE::rBHelper.bDisposed);
+
+ // if your driver has special database types you can return it here
+
+ return NULL;
+}
+
+void SAL_CALL OConnection::setTypeMap( const Reference< ::com::sun::star::container::XNameAccess >& typeMap )
+{
+ // the other way around
+}
+
+// XCloseable
+void SAL_CALL OConnection::close( )
+{
+ // we just dispose us
+ {
+ ::osl::MutexGuard aGuard( m_aMutex );
+ checkDisposed(OConnection_BASE::rBHelper.bDisposed);
+
+ }
+ dispose();
+}
+
+// XWarningsSupplier
+Any SAL_CALL OConnection::getWarnings( )
+{
+ // when you collected some warnings -> return it
+ return Any();
+}
+
+void SAL_CALL OConnection::clearWarnings( )
+{
+ // you should clear your collected warnings here
+}
+
+void OConnection::buildTypeInfo()
+{
+ ::osl::MutexGuard aGuard( m_aMutex );
+
+ Reference< XResultSet> xRs = getMetaData ()->getTypeInfo ();
+ Reference< XRow> xRow(xRs,UNO_QUERY);
+ // Information for a single SQL type
+
+ // Loop on the result set until we reach end of file
+
+ while (xRs->next ())
+ {
+ OTypeInfo aInfo;
+ aInfo.aTypeName = xRow->getString (1);
+ aInfo.nType = xRow->getShort (2);
+ aInfo.nPrecision = xRow->getInt (3);
+ aInfo.aLiteralPrefix = xRow->getString (4);
+ aInfo.aLiteralSuffix = xRow->getString (5);
+ aInfo.aCreateParams = xRow->getString (6);
+ aInfo.bNullable = xRow->getBoolean (7);
+ aInfo.bCaseSensitive = xRow->getBoolean (8);
+ aInfo.nSearchType = xRow->getShort (9);
+ aInfo.bUnsigned = xRow->getBoolean (10);
+ aInfo.bCurrency = xRow->getBoolean (11);
+ aInfo.bAutoIncrement = xRow->getBoolean (12);
+ aInfo.aLocalTypeName = xRow->getString (13);
+ aInfo.nMinimumScale = xRow->getShort (14);
+ aInfo.nMaximumScale = xRow->getShort (15);
+ aInfo.nNumPrecRadix = (sal_Int16)xRow->getInt(18);
+
+
+ // Now that we have the type info, save it
+ // in the Hashtable if we don't already have an
+ // entry for this SQL type.
+
+ m_aTypeInfo.push_back(aInfo);
+ }
+
+ // Close the result set/statement.
+
+ Reference< XCloseable> xClose(xRs,UNO_QUERY);
+ xClose->close();
+}
+
+void OConnection::disposing()
+{
+ // we noticed that we should be destroyed in near future so we have to dispose our statements
+ ::osl::MutexGuard aGuard(m_aMutex);
+
+ for (OWeakRefArray::iterator i = m_aStatements.begin(); m_aStatements.end() != i; ++i)
+ {
+ Reference< XComponent > xComp(i->get(), UNO_QUERY);
+ if (xComp.is())
+ xComp->dispose();
+ }
+ m_aStatements.clear();
+
+ m_bClosed = sal_True;
+ m_xMetaData = ::com::sun::star::uno::WeakReference< ::com::sun::star::sdbc::XDatabaseMetaData>();
+
+ dispose_ChildImpl();
+ OConnection_BASE::disposing();
+}
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */