INTEGRATION: CWS bmpres01 (1.1.2); FILE ADDED

2004/04/13 16:02:28 mav 1.1.2.1: #116335# ZipFileAccess

1 files changed, 576 insertions, 0 deletions

diff --git a/package/source/zippackage/zipfileaccess.cxx b/package/source/zippackage/zipfileaccess.cxx
new file mode 100644
index 000000000000..a219d63dd298
--- /dev/null
+++ b/package/source/zippackage/zipfileaccess.cxx
@@ -0,0 +1,576 @@
+/*************************************************************************
+ *
+ *  $RCSfile: zipfileaccess.cxx,v $
+ *
+ *  $Revision: 1.2 $
+ *
+ *  last change: $Author: kz $ $Date: 2004-05-18 17:22:52 $
+ *
+ *  The Contents of this file are made available subject to the terms of
+ *  either of the following licenses
+ *
+ *         - GNU Lesser General Public License Version 2.1
+ *         - Sun Industry Standards Source License Version 1.1
+ *
+ *  Sun Microsystems Inc., October, 2000
+ *
+ *  GNU Lesser General Public License Version 2.1
+ *  =============================================
+ *  Copyright 2000 by Sun Microsystems, Inc.
+ *  901 San Antonio Road, Palo Alto, CA 94303, USA
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License version 2.1, as published by the Free Software Foundation.
+ *
+ *  This library 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 for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ *  MA  02111-1307  USA
+ *
+ *
+ *  Sun Industry Standards Source License Version 1.1
+ *  =================================================
+ *  The contents of this file are subject to the Sun Industry Standards
+ *  Source License Version 1.1 (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.openoffice.org/license.html.
+ *
+ *  Software provided under this License is provided on an "AS IS" basis,
+ *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
+ *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
+ *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
+ *  See the License for the specific provisions governing your rights and
+ *  obligations concerning the Software.
+ *
+ *  The Initial Developer of the Original Code is: Sun Microsystems, Inc.
+ *
+ *  Copyright: 2000 by Sun Microsystems, Inc.
+ *
+ *  All Rights Reserved.
+ *
+ *  Contributor(s): Martin Gallwey (gallwey@sun.com)
+ *
+ *
+ ************************************************************************/
+
+#ifndef _COM_SUN_STAR_LANG_DISPOSEDEXCEPTION_HPP_
+#include <com/sun/star/lang/DisposedException.hpp>
+#endif
+#ifndef _COM_SUN_STAR_LANG_INVALIDARGUMENTEXCEPTION_HPP_
+#include <com/sun/star/lang/IllegalArgumentException.hpp>
+#endif
+#ifndef _COM_SUN_STAR_UCB_XCOMMANDENVIRONMENT_HPP_
+#include <com/sun/star/ucb/XCommandEnvironment.hpp>
+#endif
+#ifndef _COM_SUN_STAR_IO_XACTIVEDATASINK_HPP_
+#include <com/sun/star/io/XActiveDataSink.hpp>
+#endif
+#ifndef _COM_SUN_STAR_IO_XSTREAM_HPP_
+#include <com/sun/star/io/XStream.hpp>
+#endif
+#ifndef _COM_SUN_STAR_IO_XSEEKABLE_HPP_
+#include <com/sun/star/io/XSeekable.hpp>
+#endif
+
+#include <zipfileaccess.hxx>
+#include <ZipEnumeration.hxx>
+#include <ZipPackageSink.hxx>
+#include <EncryptionData.hxx>
+
+#include <ucbhelper/content.hxx>
+
+#include <memory>
+
+
+using namespace ::com::sun::star;
+
+extern void copyInputToOutput_Impl( uno::Reference< io::XInputStream >& aIn, uno::Reference< io::XOutputStream >& aOut );
+
+uno::Reference< io::XInputStream > GetSeekableTempCopy_Impl( uno::Reference< io::XInputStream > xInStream,
+                                                        uno::Reference< lang::XMultiServiceFactory > xFactory )
+{
+    if ( !xInStream.is() )
+        uno::Reference< io::XInputStream >();
+
+    if ( !xFactory.is() )
+        throw uno::RuntimeException();
+
+    uno::Reference < io::XOutputStream > xTempOut(
+                        xFactory->createInstance ( ::rtl::OUString::createFromAscii( "com.sun.star.io.TempFile" ) ),
+                        uno::UNO_QUERY );
+    uno::Reference < io::XInputStream > xTempIn( xTempOut, uno::UNO_QUERY );
+    uno::Reference < io::XSeekable > xSeekable( xTempOut, uno::UNO_QUERY );
+
+    if ( !xTempOut.is() || !xTempIn.is() || !xSeekable.is() )
+        throw io::IOException();
+
+    copyInputToOutput_Impl( xInStream, xTempOut );
+    xTempOut->closeOutput();
+    xSeekable->seek(0);
+
+    return xTempIn;
+}
+
+// ----------------------------------------------------------------
+OZipFileAccess::OZipFileAccess( const uno::Reference< lang::XMultiServiceFactory >& xFactory )
+: m_xFactory( xFactory )
+, m_pZipFile( NULL )
+, m_pListenersContainer( NULL )
+, m_bDisposed( sal_False )
+{
+    if ( !xFactory.is() )
+        throw uno::RuntimeException();
+}
+
+// ----------------------------------------------------------------
+OZipFileAccess::~OZipFileAccess()
+{
+    {
+        ::osl::MutexGuard aGuard( m_aMutex );
+        if ( !m_bDisposed )
+        {
+            try {
+                m_refCount++; // dispose will use refcounting so the further distruction must be avoided
+                dispose();
+            } catch( uno::Exception& )
+            {}
+        }
+    }
+}
+
+// ----------------------------------------------------------------
+EntryHash& OZipFileAccess::GetEntryHash_Impl()
+{
+    OSL_ENSURE( m_pZipFile, "ZipFile must be set already!\n" );
+    if ( !m_aEntries.size() && m_pZipFile )
+    {
+        ::std::auto_ptr< ZipEnumeration > pZipEnum( m_pZipFile->entries() );
+        while( pZipEnum->hasMoreElements() )
+        {
+            const ZipEntry* pZipEntry = pZipEnum->nextElement();
+            m_aEntries[pZipEntry->sName] = *pZipEntry;
+        }
+    }
+
+    return m_aEntries;
+}
+
+
+// ----------------------------------------------------------------
+uno::Sequence< ::rtl::OUString > OZipFileAccess::GetPatternsFromString_Impl( const ::rtl::OUString& aString )
+{
+    if ( !aString.getLength() )
+        return uno::Sequence< ::rtl::OUString >();
+
+    uno::Sequence< ::rtl::OUString > aPattern( 1 );
+    sal_Int32 nInd = 0;
+
+    const sal_Unicode* pString = aString.getStr();
+    while( *pString )
+    {
+        if ( *pString == (sal_Unicode)'\\' )
+        {
+            pString++;
+
+            if ( *pString == (sal_Unicode)'\\' )
+            {
+                aPattern[nInd] += ::rtl::OUString::valueOf( (sal_Unicode)'\\' );
+                pString++;
+            }
+            else if ( *pString == (sal_Unicode)'*' )
+            {
+                aPattern[nInd] += ::rtl::OUString::valueOf( (sal_Unicode)'*' );
+                pString++;
+            }
+            else
+            {
+                OSL_ENSURE( sal_False, "The backslash is not guarded!\n" );
+                aPattern[nInd] += ::rtl::OUString::valueOf( (sal_Unicode)'\\' );
+            }
+        }
+        else if ( *pString == (sal_Unicode)'*' )
+        {
+            aPattern.realloc( ( ++nInd ) + 1 );
+            pString++;
+        }
+        else
+        {
+            aPattern[nInd] += ::rtl::OUString::valueOf( *pString );
+            pString++;
+        }
+    }
+
+    return aPattern;
+}
+
+// ----------------------------------------------------------------
+sal_Bool OZipFileAccess::StringGoodForPattern_Impl( const ::rtl::OUString& aString,
+                                                    const uno::Sequence< ::rtl::OUString >& aPattern )
+{
+    sal_Int32 nInd = aPattern.getLength() - 1;
+    if ( !nInd )
+        return sal_False;
+
+    if ( nInd == 1 )
+    {
+        if ( !aPattern[0].getLength() )
+            return sal_True;
+
+        return aString.equals( aPattern[0] );
+    }
+
+    sal_Int32 nBeginInd = aPattern[0].getLength();
+    sal_Int32 nEndInd = aString.getLength() - aPattern[nInd].getLength();
+    if ( nEndInd >= nBeginInd
+      && ( nEndInd == aString.getLength() || aString.copy( nEndInd ).equals( aPattern[nInd] ) )
+      && ( nBeginInd == 0 || aString.copy( 0, nBeginInd ).equals( aPattern[0] ) ) )
+    {
+        for ( sal_Int32 nCurInd = aPattern.getLength() - 2; nCurInd > 0; nCurInd-- )
+        {
+            if ( !aPattern[nCurInd].getLength() )
+                continue;
+
+            if ( nEndInd == nBeginInd )
+                return sal_False;
+
+            // check that search does not use nEndInd position
+            sal_Int32 nLastInd = aString.lastIndexOf( aPattern[nCurInd], nEndInd - 1 );
+
+            if ( nLastInd == -1 )
+                return sal_False;
+
+            if ( nLastInd < nBeginInd )
+                return sal_False;
+
+            nEndInd = nLastInd;
+        }
+
+        return sal_True;
+    }
+
+    return sal_False;
+}
+
+// XInitialization
+// ----------------------------------------------------------------
+void SAL_CALL OZipFileAccess::initialize( const uno::Sequence< uno::Any >& aArguments )
+    throw ( uno::Exception,
+            uno::RuntimeException )
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+
+    if ( m_bDisposed )
+        throw lang::DisposedException();
+
+    if ( m_pZipFile )
+        throw uno::Exception(); // TODO: initialization is allowed only one time
+
+    if ( !aArguments.getLength() )
+        throw lang::IllegalArgumentException(); // TODO:
+
+    OSL_ENSURE( aArguments.getLength() == 1, "Too meny arguments are provided, only the first one will be used!\n" );
+
+    ::rtl::OUString aParamURL;
+    uno::Reference< io::XStream > xStream;
+    uno::Reference< io::XSeekable > xSeekable;
+
+    if ( ( aArguments[0] >>= aParamURL ) )
+    {
+        ::ucb::Content aContent ( aParamURL, uno::Reference< ::com::sun::star::ucb::XCommandEnvironment >() );
+        uno::Reference < io::XActiveDataSink > xSink = new ZipPackageSink;
+        if ( aContent.openStream ( xSink ) )
+        {
+            m_xContentStream = xSink->getInputStream();
+            xSeekable = uno::Reference< io::XSeekable >( m_xContentStream, uno::UNO_QUERY );
+        }
+    }
+    else if ( (aArguments[0] >>= xStream ) )
+    {
+        // a writable stream can implement both XStream & XInputStream
+        m_xContentStream = xStream->getInputStream();
+        xSeekable = uno::Reference< io::XSeekable >( xStream, uno::UNO_QUERY );
+    }
+    else if ( !( aArguments[0] >>= m_xContentStream ) )
+    {
+        xSeekable = uno::Reference< io::XSeekable >( m_xContentStream, uno::UNO_QUERY );
+    }
+    else
+        throw lang::IllegalArgumentException(); // TODO:
+
+    if ( !m_xContentStream.is() )
+        throw io::IOException(); // TODO:
+
+    if ( !xSeekable.is() )
+    {
+        // TODO: after fwkbugfix02 is integrated a helper class can be used to make the stream seekable
+        throw io::IOException();
+    }
+
+    // TODO: in case xSeekable is implemented on separated XStream implementation a wrapper is required
+    m_pZipFile = new ZipFile(
+                m_xContentStream,
+                m_xFactory,
+                sal_True );
+}
+
+// XNameAccess
+// ----------------------------------------------------------------
+uno::Any SAL_CALL OZipFileAccess::getByName( const ::rtl::OUString& aName )
+    throw ( container::NoSuchElementException,
+            lang::WrappedTargetException,
+            uno::RuntimeException )
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+
+    if ( m_bDisposed )
+        throw lang::DisposedException();
+
+    if ( !m_pZipFile )
+        throw io::NotConnectedException();
+
+    GetEntryHash_Impl();
+    EntryHash::iterator aIter = m_aEntries.find( aName );
+    if ( aIter == m_aEntries.end() )
+        throw container::NoSuchElementException();
+
+    uno::Reference< io::XInputStream > xEntryStream = GetSeekableTempCopy_Impl(
+                                m_pZipFile->getDataStream( (*aIter).second, new EncryptionData(), sal_False ),
+                                m_xFactory );
+
+    if ( !xEntryStream.is() )
+        throw uno::RuntimeException(); // TODO:
+
+    return uno::makeAny ( xEntryStream );
+}
+
+// ----------------------------------------------------------------
+uno::Sequence< ::rtl::OUString > SAL_CALL OZipFileAccess::getElementNames()
+    throw ( uno::RuntimeException )
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+
+    if ( m_bDisposed )
+        throw lang::DisposedException();
+
+    if ( !m_pZipFile )
+        throw io::NotConnectedException();
+
+    uno::Sequence< ::rtl::OUString > aNames;
+    sal_Int32 nLen = 0;
+
+    GetEntryHash_Impl();
+
+    for ( EntryHash::iterator aIter = m_aEntries.begin(); aIter != m_aEntries.end(); aIter++ )
+    {
+        aNames.realloc( ++nLen );
+        aNames[nLen-1] = (*aIter).second.sName;
+    }
+
+    return aNames;
+}
+
+// ----------------------------------------------------------------
+sal_Bool SAL_CALL OZipFileAccess::hasByName( const ::rtl::OUString& aName )
+    throw (uno::RuntimeException)
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+
+    if ( m_bDisposed )
+        throw lang::DisposedException();
+
+    if ( !m_pZipFile )
+        throw io::NotConnectedException();
+
+    GetEntryHash_Impl();
+    EntryHash::iterator aIter = m_aEntries.find( aName );
+
+    return ( aIter != m_aEntries.end() );
+}
+
+// ----------------------------------------------------------------
+uno::Type SAL_CALL OZipFileAccess::getElementType()
+    throw ( uno::RuntimeException )
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+
+    if ( m_bDisposed )
+        throw lang::DisposedException();
+
+    if ( !m_pZipFile )
+        throw io::NotConnectedException();
+
+    return getCppuType( ( const uno::Reference< io::XInputStream >* )NULL );
+}
+
+// ----------------------------------------------------------------
+sal_Bool SAL_CALL OZipFileAccess::hasElements()
+    throw ( uno::RuntimeException )
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+
+    if ( m_bDisposed )
+        throw lang::DisposedException();
+
+    if ( !m_pZipFile )
+        throw io::NotConnectedException();
+
+    GetEntryHash_Impl();
+    return ( m_aEntries.size() != 0 );
+}
+
+// XZipFileAccess
+// ----------------------------------------------------------------
+uno::Reference< io::XInputStream > SAL_CALL OZipFileAccess::getStreamByPattern( const ::rtl::OUString& aPatternString )
+    throw ( container::NoSuchElementException,
+            io::IOException,
+            uno::RuntimeException )
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+
+    if ( m_bDisposed )
+        throw lang::DisposedException();
+
+    if ( !m_pZipFile )
+        throw io::NotConnectedException();
+
+    // Code to compare strings by patterns
+    uno::Sequence< ::rtl::OUString > aPattern = GetPatternsFromString_Impl( aPatternString );
+
+    GetEntryHash_Impl();
+
+    for ( EntryHash::iterator aIter = m_aEntries.begin(); aIter != m_aEntries.end(); aIter++ )
+    {
+        if ( StringGoodForPattern_Impl( (*aIter).second.sName, aPattern ) )
+        {
+            uno::Reference< io::XInputStream > xEntryStream =
+                        GetSeekableTempCopy_Impl(
+                            m_pZipFile->getDataStream( (*aIter).second, new EncryptionData(), sal_False ),
+                            m_xFactory );
+
+            if ( !xEntryStream.is() )
+                throw uno::RuntimeException();
+            return xEntryStream;
+        }
+    }
+
+    throw container::NoSuchElementException();
+
+    // not reachable
+    return uno::Reference< io::XInputStream >();
+}
+
+// XComponent
+// ----------------------------------------------------------------
+void SAL_CALL OZipFileAccess::dispose()
+    throw ( uno::RuntimeException )
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+
+    if ( m_bDisposed )
+        throw lang::DisposedException();
+
+    if ( m_pListenersContainer )
+    {
+           lang::EventObject aSource( static_cast< ::cppu::OWeakObject* >(this) );
+        m_pListenersContainer->disposeAndClear( aSource );
+        delete m_pListenersContainer;
+        m_pListenersContainer = NULL;
+    }
+
+    if ( m_pZipFile )
+    {
+        delete m_pZipFile;
+        m_pZipFile = NULL;
+    }
+
+    if ( m_xContentStream.is() )
+        try {
+            m_xContentStream->closeInput();
+        } catch( uno::Exception& )
+        {}
+
+    m_bDisposed = sal_True;
+}
+
+// ----------------------------------------------------------------
+void SAL_CALL OZipFileAccess::addEventListener( const uno::Reference< lang::XEventListener >& xListener )
+    throw ( uno::RuntimeException )
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+
+    if ( m_bDisposed )
+        throw lang::DisposedException();
+
+    if ( !m_pListenersContainer )
+        m_pListenersContainer = new ::cppu::OInterfaceContainerHelper( m_aMutex );
+    m_pListenersContainer->addInterface( xListener );
+}
+
+// ----------------------------------------------------------------
+void SAL_CALL OZipFileAccess::removeEventListener( const uno::Reference< lang::XEventListener >& xListener )
+    throw ( uno::RuntimeException )
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+
+    if ( m_bDisposed )
+        throw lang::DisposedException();
+
+    if ( !m_pListenersContainer )
+        m_pListenersContainer->removeInterface( xListener );
+}
+
+//-------------------------------------------------------------------------
+uno::Sequence< ::rtl::OUString > SAL_CALL OZipFileAccess::impl_staticGetSupportedServiceNames()
+{
+    uno::Sequence< ::rtl::OUString > aRet(2);
+    aRet[0] = ::rtl::OUString::createFromAscii("com.sun.star.packages.zip.ZipFileAccess");
+    aRet[1] = ::rtl::OUString::createFromAscii("com.sun.star.comp.packages.zip.ZipFileAccess");
+    return aRet;
+}
+
+//-------------------------------------------------------------------------
+::rtl::OUString SAL_CALL OZipFileAccess::impl_staticGetImplementationName()
+{
+    return ::rtl::OUString::createFromAscii("com.sun.star.comp.package.zip.ZipFileAccess");
+}
+
+//-------------------------------------------------------------------------
+uno::Reference< uno::XInterface > SAL_CALL OZipFileAccess::impl_staticCreateSelfInstance(
+            const uno::Reference< lang::XMultiServiceFactory >& xServiceManager )
+{
+    return uno::Reference< uno::XInterface >( *new OZipFileAccess( xServiceManager ) );
+}
+
+//-------------------------------------------------------------------------
+::rtl::OUString SAL_CALL OZipFileAccess::getImplementationName()
+    throw ( uno::RuntimeException )
+{
+    return impl_staticGetImplementationName();
+}
+
+//-------------------------------------------------------------------------
+sal_Bool SAL_CALL OZipFileAccess::supportsService( const ::rtl::OUString& ServiceName )
+    throw ( uno::RuntimeException )
+{
+    uno::Sequence< ::rtl::OUString > aSeq = impl_staticGetSupportedServiceNames();
+
+    for ( sal_Int32 nInd = 0; nInd < aSeq.getLength(); nInd++ )
+        if ( ServiceName.compareTo( aSeq[nInd] ) == 0 )
+            return sal_True;
+
+    return sal_False;
+}
+
+//-------------------------------------------------------------------------
+uno::Sequence< ::rtl::OUString > SAL_CALL OZipFileAccess::getSupportedServiceNames()
+    throw ( uno::RuntimeException )
+{
+    return impl_staticGetSupportedServiceNames();
+}
+