xref: /trunk/main/xmlhelp/source/cxxhelp/provider/resultsetbase.cxx (revision 89dcb3da00a29b2b7b028d5bd430e2099844a09e)

/**************************************************************
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 *************************************************************/



// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_xmlhelp.hxx"
#include <ucbhelper/contentidentifier.hxx>
#include <com/sun/star/ucb/OpenMode.hpp>
#include <com/sun/star/uno/Reference.h>
#ifndef _COM_SUN_STAR_BEANS_PROPERTYATTRIBBUTE_HPP_
#include <com/sun/star/beans/PropertyAttribute.hpp>
#endif
#include <com/sun/star/ucb/ListActionType.hpp>
#include <com/sun/star/ucb/XSourceInitialization.hpp>
#include <ucbhelper/resultsetmetadata.hxx>

#include "resultsetbase.hxx"

using namespace chelp;
using namespace com::sun::star;

ResultSetBase::ResultSetBase( const uno::Reference< lang::XMultiServiceFactory >&  xMSF,
                              const uno::Reference< ucb::XContentProvider >&  xProvider,
                              sal_Int32 nOpenMode,
                              const uno::Sequence< beans::Property >& seq,
                              const uno::Sequence< ucb::NumberedSortingInfo >& seqSort )
    : m_xMSF( xMSF ),
      m_xProvider( xProvider ),
      m_nRow( -1 ),
      m_nWasNull( true ),
      m_nOpenMode( nOpenMode ),
      m_bRowCountFinal( true ),
      m_sProperty( seq ),
      m_sSortingInfo( seqSort ),
      m_pDisposeEventListeners( 0 ),
      m_pRowCountListeners( 0 ),
      m_pIsFinalListeners( 0 )
{
}

ResultSetBase::~ResultSetBase()
{
    delete m_pIsFinalListeners;
    delete m_pRowCountListeners;
    delete m_pDisposeEventListeners;
}


// XInterface

void SAL_CALL
ResultSetBase::acquire(
    void )
    throw()
{
    OWeakObject::acquire();
}


void SAL_CALL
ResultSetBase::release(
    void )
    throw()
{
    OWeakObject::release();
}



uno::Any SAL_CALL
ResultSetBase::queryInterface(
    const uno::Type& rType )
    throw( uno::RuntimeException )
{
    uno::Any aRet = cppu::queryInterface( rType,
                                          SAL_STATIC_CAST( lang::XComponent*, this),
                                          SAL_STATIC_CAST( sdbc::XRow*, this),
                                          SAL_STATIC_CAST( sdbc::XResultSet*, this),
                                          SAL_STATIC_CAST( sdbc::XResultSetMetaDataSupplier*, this),
                                          SAL_STATIC_CAST( beans::XPropertySet*, this ),
                                          SAL_STATIC_CAST( ucb::XContentAccess*, this) );
    return aRet.hasValue() ? aRet : OWeakObject::queryInterface( rType );
}



// XComponent


void SAL_CALL
ResultSetBase::addEventListener(
    const uno::Reference< lang::XEventListener >& Listener )
    throw( uno::RuntimeException )
{
    osl::MutexGuard aGuard( m_aMutex );

    if ( ! m_pDisposeEventListeners )
        m_pDisposeEventListeners =
            new cppu::OInterfaceContainerHelper( m_aMutex );

    m_pDisposeEventListeners->addInterface( Listener );
}


void SAL_CALL
ResultSetBase::removeEventListener(
    const uno::Reference< lang::XEventListener >& Listener )
    throw( uno::RuntimeException )
{
    osl::MutexGuard aGuard( m_aMutex );

    if ( m_pDisposeEventListeners )
        m_pDisposeEventListeners->removeInterface( Listener );
}



void SAL_CALL
ResultSetBase::dispose()
    throw( uno::RuntimeException )
{
    osl::MutexGuard aGuard( m_aMutex );

    lang::EventObject aEvt;
    aEvt.Source = static_cast< lang::XComponent * >( this );

    if ( m_pDisposeEventListeners && m_pDisposeEventListeners->getLength() )
    {
        m_pDisposeEventListeners->disposeAndClear( aEvt );
    }
    if( m_pRowCountListeners && m_pRowCountListeners->getLength() )
    {
        m_pRowCountListeners->disposeAndClear( aEvt );
    }
    if( m_pIsFinalListeners && m_pIsFinalListeners->getLength() )
    {
        m_pIsFinalListeners->disposeAndClear( aEvt );
    }
}



//  XResultSet

sal_Bool SAL_CALL
ResultSetBase::next(
    void )
    throw( sdbc::SQLException,
           uno::RuntimeException )
{
    sal_Bool test;
    m_nRow++;
    if( sal::static_int_cast<sal_uInt32>( m_nRow ) < m_aItems.size() )
        test = true;
    else
        test = false;
    return test;
}


sal_Bool SAL_CALL
ResultSetBase::isBeforeFirst(
    void )
    throw( sdbc::SQLException,
           uno::RuntimeException )
{
    return m_nRow == -1;
}


sal_Bool SAL_CALL
ResultSetBase::isAfterLast(
    void )
    throw( sdbc::SQLException,
           uno::RuntimeException )
{
    return sal::static_int_cast<sal_uInt32>( m_nRow ) >= m_aItems.size();   // Cannot happen, if m_aFolder.isOpen()
}


sal_Bool SAL_CALL
ResultSetBase::isFirst(
    void )
    throw( sdbc::SQLException,
           uno::RuntimeException )
{
    return m_nRow == 0;
}


sal_Bool SAL_CALL
ResultSetBase::isLast(
    void  )
    throw( sdbc::SQLException,
           uno::RuntimeException)
{
    if( sal::static_int_cast<sal_uInt32>( m_nRow ) ==  m_aItems.size() - 1 )
        return true;
    else
        return false;
}


void SAL_CALL
ResultSetBase::beforeFirst(
    void  )
    throw( sdbc::SQLException,
           uno::RuntimeException)
{
    m_nRow = -1;
}


void SAL_CALL
ResultSetBase::afterLast(
    void  )
    throw( sdbc::SQLException,
           uno::RuntimeException )
{
    m_nRow = m_aItems.size();
}


sal_Bool SAL_CALL
ResultSetBase::first(
    void  )
    throw( sdbc::SQLException,
           uno::RuntimeException)
{
    m_nRow = -1;
    return next();
}


sal_Bool SAL_CALL
ResultSetBase::last(
    void  )
    throw( sdbc::SQLException,
           uno::RuntimeException )
{
    m_nRow = m_aItems.size() - 1;
    return true;
}


sal_Int32 SAL_CALL
ResultSetBase::getRow(
    void )
    throw( sdbc::SQLException,
           uno::RuntimeException)
{
    // Test, whether behind last row
    if( -1 == m_nRow || sal::static_int_cast<sal_uInt32>( m_nRow ) >= m_aItems.size() )
        return 0;
    else
        return m_nRow+1;
}


sal_Bool SAL_CALL ResultSetBase::absolute( sal_Int32 row )
    throw( sdbc::SQLException, uno::RuntimeException)
{
    if( row >= 0 )
        m_nRow = row - 1;
    else
    {
        last();
        m_nRow += ( row + 1 );
        if( m_nRow < -1 )
            m_nRow = -1;
    }

    return 0<= m_nRow && sal::static_int_cast<sal_uInt32>( m_nRow ) < m_aItems.size();
}




sal_Bool SAL_CALL
ResultSetBase::relative(
    sal_Int32 row )
    throw( sdbc::SQLException,
           uno::RuntimeException)
{
    if( isAfterLast() || isBeforeFirst() )
        throw sdbc::SQLException();

    if( row > 0 )
        while( row-- )
            next();
    else if( row < 0 )
        while( row++ && m_nRow > -1 )
            previous();

    return 0 <= m_nRow && sal::static_int_cast<sal_uInt32>( m_nRow ) < m_aItems.size();
}



sal_Bool SAL_CALL
ResultSetBase::previous(
    void )
    throw( sdbc::SQLException,
           uno::RuntimeException)
{
    if( sal::static_int_cast<sal_uInt32>( m_nRow ) > m_aItems.size() )
        m_nRow = m_aItems.size();  // Correct Handling of afterLast
    if( 0 <= m_nRow ) -- m_nRow;

    return 0 <= m_nRow && sal::static_int_cast<sal_uInt32>( m_nRow ) < m_aItems.size();
}


void SAL_CALL
ResultSetBase::refreshRow(
    void )
    throw( sdbc::SQLException,
           uno::RuntimeException)
{
}


sal_Bool SAL_CALL
ResultSetBase::rowUpdated(
    void )
    throw( sdbc::SQLException,
           uno::RuntimeException )
{
    return false;
}

sal_Bool SAL_CALL
ResultSetBase::rowInserted(
    void  )
    throw( sdbc::SQLException,
           uno::RuntimeException )
{
    return false;
}

sal_Bool SAL_CALL
ResultSetBase::rowDeleted(
    void  )
    throw( sdbc::SQLException,
           uno::RuntimeException )
{
    return false;
}


uno::Reference< uno::XInterface > SAL_CALL
ResultSetBase::getStatement(
    void  )
    throw( sdbc::SQLException,
           uno::RuntimeException )
{
    uno::Reference< uno::XInterface > test( 0 );
    return test;
}


// XCloseable

void SAL_CALL
ResultSetBase::close(
    void )
    throw( sdbc::SQLException,
           uno::RuntimeException)
{
}


rtl::OUString SAL_CALL
ResultSetBase::queryContentIdentifierString(
    void )
    throw( uno::RuntimeException )
{
    if( 0 <= m_nRow && sal::static_int_cast<sal_uInt32>( m_nRow ) < m_aItems.size() )
        return m_aPath[m_nRow];
    else
        return rtl::OUString();
}


uno::Reference< ucb::XContentIdentifier > SAL_CALL
ResultSetBase::queryContentIdentifier(
    void )
    throw( uno::RuntimeException )
{
    if( 0 <= m_nRow && sal::static_int_cast<sal_uInt32>( m_nRow ) < m_aItems.size() )
    {
        rtl::OUString url = queryContentIdentifierString();
        if( ! m_aIdents[m_nRow].is() && url.getLength() )
            m_aIdents[m_nRow] = uno::Reference< ucb::XContentIdentifier >(
                new ::ucbhelper::ContentIdentifier( m_xMSF,url ) );
        return m_aIdents[m_nRow];
    }

    return uno::Reference< ucb::XContentIdentifier >();
}


uno::Reference< ucb::XContent > SAL_CALL
ResultSetBase::queryContent(
    void )
    throw( uno::RuntimeException )
{
    if( 0 <= m_nRow && sal::static_int_cast<sal_uInt32>( m_nRow ) < m_aItems.size() )
        return m_xProvider->queryContent( queryContentIdentifier() );
    else
        return uno::Reference< ucb::XContent >();
}



class XPropertySetInfoImpl
    : public cppu::OWeakObject,
      public beans::XPropertySetInfo
{
public:

    XPropertySetInfoImpl( const uno::Sequence< beans::Property >& aSeq )
        : m_aSeq( aSeq )
    {
    }

    void SAL_CALL acquire( void )
        throw()
    {
        OWeakObject::acquire();
    }


    void SAL_CALL release( void )
        throw()
    {
        OWeakObject::release();
    }

    uno::Any SAL_CALL queryInterface( const uno::Type& rType )
        throw( uno::RuntimeException )
    {
        uno::Any aRet = cppu::queryInterface( rType,
                                              SAL_STATIC_CAST( beans::XPropertySetInfo*, this ) );
        return aRet.hasValue() ? aRet : OWeakObject::queryInterface( rType );
    }

    uno::Sequence< beans::Property > SAL_CALL getProperties()
        throw( uno::RuntimeException )
    {
        return m_aSeq;
    }

    beans::Property SAL_CALL getPropertyByName( const ::rtl::OUString& aName )
        throw( beans::UnknownPropertyException,
               uno::RuntimeException)
    {
        for( int i = 0; i < m_aSeq.getLength(); ++i )
            if( aName == m_aSeq[i].Name )
                return m_aSeq[i];
        throw beans::UnknownPropertyException();
    }

    sal_Bool SAL_CALL hasPropertyByName( const ::rtl::OUString& Name )
        throw( uno::RuntimeException )
    {
        for( int i = 0; i < m_aSeq.getLength(); ++i )
            if( Name == m_aSeq[i].Name )
                return true;
        return false;
    }

private:

    uno::Sequence< beans::Property > m_aSeq;
};



// XPropertySet
uno::Reference< beans::XPropertySetInfo > SAL_CALL
ResultSetBase::getPropertySetInfo()
    throw( uno::RuntimeException)
{
    uno::Sequence< beans::Property > seq(2);
    seq[0].Name = rtl::OUString::createFromAscii( "RowCount" );
    seq[0].Handle = -1;
    seq[0].Type = getCppuType( static_cast< sal_Int32* >(0) );
    seq[0].Attributes = beans::PropertyAttribute::READONLY;

    seq[1].Name = rtl::OUString::createFromAscii( "IsRowCountFinal" );
    seq[1].Handle = -1;
    seq[1].Type = getCppuType( static_cast< sal_Bool* >(0) );
    seq[1].Attributes = beans::PropertyAttribute::READONLY;

    //t
    return uno::Reference< beans::XPropertySetInfo > ( new XPropertySetInfoImpl( seq ) );
}



void SAL_CALL ResultSetBase::setPropertyValue(
    const rtl::OUString& aPropertyName, const uno::Any& aValue )
    throw( beans::UnknownPropertyException,
           beans::PropertyVetoException,
           lang::IllegalArgumentException,
           lang::WrappedTargetException,
           uno::RuntimeException)
{
    (void)aValue;

    if( aPropertyName == rtl::OUString::createFromAscii( "IsRowCountFinal" ) ||
        aPropertyName == rtl::OUString::createFromAscii( "RowCount" ) )
        return;

    throw beans::UnknownPropertyException();
}


uno::Any SAL_CALL ResultSetBase::getPropertyValue(
    const rtl::OUString& PropertyName )
    throw( beans::UnknownPropertyException,
           lang::WrappedTargetException,
           uno::RuntimeException)
{
    if( PropertyName == rtl::OUString::createFromAscii( "IsRowCountFinal" ) )
    {
        uno::Any aAny;
        aAny <<= m_bRowCountFinal;
        return aAny;
    }
    else if ( PropertyName == rtl::OUString::createFromAscii( "RowCount" ) )
    {
        uno::Any aAny;
        sal_Int32 count = m_aItems.size();
        aAny <<= count;
        return aAny;
    }
    else
        throw beans::UnknownPropertyException();
}


void SAL_CALL ResultSetBase::addPropertyChangeListener(
    const rtl::OUString& aPropertyName,
    const uno::Reference< beans::XPropertyChangeListener >& xListener )
    throw( beans::UnknownPropertyException,
           lang::WrappedTargetException,
           uno::RuntimeException)
{
    if( aPropertyName == rtl::OUString::createFromAscii( "IsRowCountFinal" ) )
    {
        osl::MutexGuard aGuard( m_aMutex );
        if ( ! m_pIsFinalListeners )
            m_pIsFinalListeners =
                new cppu::OInterfaceContainerHelper( m_aMutex );

        m_pIsFinalListeners->addInterface( xListener );
    }
    else if ( aPropertyName == rtl::OUString::createFromAscii( "RowCount" ) )
    {
        osl::MutexGuard aGuard( m_aMutex );
        if ( ! m_pRowCountListeners )
            m_pRowCountListeners =
                new cppu::OInterfaceContainerHelper( m_aMutex );
        m_pRowCountListeners->addInterface( xListener );
    }
    else
        throw beans::UnknownPropertyException();
}


void SAL_CALL ResultSetBase::removePropertyChangeListener(
    const rtl::OUString& aPropertyName,
    const uno::Reference< beans::XPropertyChangeListener >& aListener )
    throw( beans::UnknownPropertyException,
           lang::WrappedTargetException,
           uno::RuntimeException)
{
    if( aPropertyName == rtl::OUString::createFromAscii( "IsRowCountFinal" ) &&
        m_pIsFinalListeners )
    {
        osl::MutexGuard aGuard( m_aMutex );
        m_pIsFinalListeners->removeInterface( aListener );
    }
    else if ( aPropertyName == rtl::OUString::createFromAscii( "RowCount" ) &&
              m_pRowCountListeners )
    {
        osl::MutexGuard aGuard( m_aMutex );
        m_pRowCountListeners->removeInterface( aListener );
    }
    else
        throw beans::UnknownPropertyException();
}


void SAL_CALL ResultSetBase::addVetoableChangeListener(
    const rtl::OUString& PropertyName,
    const uno::Reference< beans::XVetoableChangeListener >& aListener )
    throw( beans::UnknownPropertyException,
           lang::WrappedTargetException,
           uno::RuntimeException)
{
    (void)PropertyName;
    (void)aListener;
}


void SAL_CALL ResultSetBase::removeVetoableChangeListener(
    const rtl::OUString& PropertyName,
    const uno::Reference< beans::XVetoableChangeListener >& aListener )
    throw( beans::UnknownPropertyException,
           lang::WrappedTargetException,
           uno::RuntimeException)
{
    (void)PropertyName;
    (void)aListener;
}



// XResultSetMetaDataSupplier
uno::Reference< sdbc::XResultSetMetaData > SAL_CALL
ResultSetBase::getMetaData(
    void )
    throw( sdbc::SQLException,
           uno::RuntimeException )
{
    ::ucbhelper::ResultSetMetaData* p =
          new ::ucbhelper::ResultSetMetaData(
              m_xMSF, m_sProperty );
    return uno::Reference< sdbc::XResultSetMetaData >( p );
}