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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* 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 .
*/
/**************************************************************************
TODO
**************************************************************************
*************************************************************************/
#include <cppuhelper/exc_hlp.hxx>
#include <cppuhelper/weak.hxx>
#include <cppuhelper/queryinterface.hxx>
#include <ucbhelper/contentidentifier.hxx>
#include <ucbhelper/macros.hxx>
#include <com/sun/star/container/XHierarchicalNameAccess.hpp>
#include <com/sun/star/lang/WrappedTargetRuntimeException.hpp>
#include <com/sun/star/ucb/IllegalIdentifierException.hpp>
#include <com/sun/star/uno/XComponentContext.hpp>
#include "pkgprovider.hxx"
#include "pkgcontent.hxx"
#include "pkguri.hxx"
#include <unordered_map>
using namespace com::sun::star;
namespace package_ucp
{
namespace {
class Package : public cppu::OWeakObject,
public container::XHierarchicalNameAccess
{
friend ContentProvider;
OUString m_aName;
uno::Reference< container::XHierarchicalNameAccess > m_xNA;
ContentProvider* m_pOwner;
public:
Package( const OUString& rName,
const uno::Reference< container::XHierarchicalNameAccess > & xNA,
ContentProvider* pOwner )
: m_aName( rName ), m_xNA( xNA ), m_pOwner( pOwner ) {}
virtual ~Package() override { m_pOwner->removePackage( m_aName ); }
// XInterface
virtual uno::Any SAL_CALL
queryInterface( const uno::Type& aType ) override
{ return m_xNA->queryInterface( aType ); }
virtual void SAL_CALL
acquire() noexcept override
{ OWeakObject::acquire(); }
virtual void SAL_CALL
release() noexcept override
{ OWeakObject::release(); }
// XHierarchicalNameAccess
virtual uno::Any SAL_CALL
getByHierarchicalName( const OUString& aName ) override
{ return m_xNA->getByHierarchicalName( aName ); }
virtual sal_Bool SAL_CALL
hasByHierarchicalName( const OUString& aName ) override
{ return m_xNA->hasByHierarchicalName( aName ); }
};
}
class Packages : public std::unordered_map<OUString, Package*> {};
}
using namespace package_ucp;
// ContentProvider Implementation.
ContentProvider::ContentProvider(
const uno::Reference< uno::XComponentContext >& rxContext )
: ::ucbhelper::ContentProviderImplHelper( rxContext )
{
}
// virtual
ContentProvider::~ContentProvider()
{
}
// XInterface methods.
void SAL_CALL ContentProvider::acquire()
noexcept
{
OWeakObject::acquire();
}
void SAL_CALL ContentProvider::release()
noexcept
{
OWeakObject::release();
}
css::uno::Any SAL_CALL ContentProvider::queryInterface( const css::uno::Type & rType )
{
css::uno::Any aRet = cppu::queryInterface( rType,
static_cast< lang::XTypeProvider* >(this),
static_cast< lang::XServiceInfo* >(this),
static_cast< ucb::XContentProvider* >(this)
);
return aRet.hasValue() ? aRet : OWeakObject::queryInterface( rType );
}
// XTypeProvider methods.
XTYPEPROVIDER_IMPL_3( ContentProvider,
lang::XTypeProvider,
lang::XServiceInfo,
ucb::XContentProvider );
// XServiceInfo methods.
OUString
ContentProvider::getImplementationName()
{
return "com.sun.star.comp.ucb.PackageContentProvider";
}
sal_Bool
ContentProvider::supportsService(const OUString& s)
{
return cppu::supportsService(this, s);
}
css::uno::Sequence< OUString >
ContentProvider::getSupportedServiceNames()
{
return { "com.sun.star.ucb.PackageContentProvider" };
}
// XContentProvider methods.
// virtual
uno::Reference< ucb::XContent > SAL_CALL ContentProvider::queryContent(
const uno::Reference< ucb::XContentIdentifier >& Identifier )
{
if ( !Identifier.is() )
return uno::Reference< ucb::XContent >();
PackageUri aUri( Identifier->getContentIdentifier() );
if ( !aUri.isValid() )
throw ucb::IllegalIdentifierException();
// Create a new identifier for the normalized URL returned by
// PackageUri::getUri().
uno::Reference< ucb::XContentIdentifier > xId = new ::ucbhelper::ContentIdentifier( aUri.getUri() );
osl::MutexGuard aGuard( m_aMutex );
// Check, if a content with given id already exists...
uno::Reference< ucb::XContent > xContent
= queryExistingContent( xId );
if ( xContent.is() )
return xContent;
// Create a new content.
xContent = Content::create( m_xContext, this, Identifier ); // not xId!!!
registerNewContent( xContent );
if ( xContent.is() && !xContent->getIdentifier().is() )
throw ucb::IllegalIdentifierException();
return xContent;
}
// Other methods.
uno::Reference< container::XHierarchicalNameAccess >
ContentProvider::createPackage( const PackageUri & rURI )
{
osl::MutexGuard aGuard( m_aMutex );
OUString rURL = rURI.getPackage() + rURI.getParam();
if ( m_pPackages )
{
Packages::const_iterator it = m_pPackages->find( rURL );
if ( it != m_pPackages->end() )
{
// Already instantiated. Return package.
return (*it).second->m_xNA;
}
}
else
m_pPackages.reset( new Packages );
// Create new package...
uno::Sequence< uno::Any > aArguments( 1 );
aArguments[ 0 ] <<= rURL;
uno::Reference< container::XHierarchicalNameAccess > xNameAccess;
try
{
xNameAccess.set(
m_xContext->getServiceManager()->createInstanceWithArgumentsAndContext(
"com.sun.star.packages.comp.ZipPackage",
aArguments, m_xContext ),
css::uno::UNO_QUERY_THROW );
}
catch ( uno::RuntimeException const & )
{
throw;
}
catch ( uno::Exception const & e )
{
css::uno::Any anyEx = cppu::getCaughtException();
throw css::lang::WrappedTargetRuntimeException(
e.Message, e.Context, anyEx);
}
rtl::Reference< Package> xPackage = new Package( rURL, xNameAccess, this );
(*m_pPackages)[ rURL ] = xPackage.get();
return xPackage;
}
void ContentProvider::removePackage( const OUString & rName )
{
osl::MutexGuard aGuard( m_aMutex );
if ( m_pPackages )
{
Packages::iterator it = m_pPackages->find( rName );
if ( it != m_pPackages->end() )
{
m_pPackages->erase( it );
return;
}
}
}
extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
ucb_package_ContentProvider_get_implementation(
css::uno::XComponentContext* context, css::uno::Sequence<css::uno::Any> const&)
{
return cppu::acquire(new ContentProvider(context));
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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