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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 .
*/
#include <rtl/uri.hxx>
#include <comphelper/compbase.hxx>
#include <cppuhelper/supportsservice.hxx>
#include <ucbhelper/content.hxx>
#include <com/sun/star/uno/XComponentContext.hpp>
#include <com/sun/star/lang/DisposedException.hpp>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <com/sun/star/util/theMacroExpander.hpp>
#include <com/sun/star/ucb/IllegalIdentifierException.hpp>
#include <com/sun/star/ucb/XContentProvider.hpp>
#include <tools/diagnose_ex.h>
#define EXPAND_PROTOCOL "vnd.sun.star.expand"
using namespace ::com::sun::star;
namespace
{
typedef comphelper::WeakComponentImplHelper<
lang::XServiceInfo, ucb::XContentProvider > t_impl_helper;
class ExpandContentProviderImpl : public t_impl_helper
{
uno::Reference< uno::XComponentContext > m_xComponentContext;
uno::Reference< util::XMacroExpander > m_xMacroExpander;
OUString expandUri(
uno::Reference< ucb::XContentIdentifier > const & xIdentifier ) const;
protected:
void check() const;
public:
explicit ExpandContentProviderImpl(
uno::Reference< uno::XComponentContext > const & xComponentContext )
: m_xComponentContext( xComponentContext ),
m_xMacroExpander( util::theMacroExpander::get(xComponentContext) )
{}
// XServiceInfo
virtual OUString SAL_CALL getImplementationName() override;
virtual sal_Bool SAL_CALL supportsService( OUString const & serviceName ) override;
virtual uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
// XContentProvider
virtual uno::Reference< ucb::XContent > SAL_CALL queryContent(
uno::Reference< ucb::XContentIdentifier > const & xIdentifier ) override;
virtual sal_Int32 SAL_CALL compareContentIds(
uno::Reference< ucb::XContentIdentifier > const & xId1,
uno::Reference< ucb::XContentIdentifier > const & xId2 ) override;
};
void ExpandContentProviderImpl::check() const
{
// xxx todo guard?
// MutexGuard guard( m_mutex );
if (m_bDisposed)
{
throw lang::DisposedException(
"expand content provider instance has "
"already been disposed!",
static_cast< OWeakObject * >(
const_cast< ExpandContentProviderImpl * >(this) ) );
}
}
// XServiceInfo
OUString ExpandContentProviderImpl::getImplementationName()
{
check();
return "com.sun.star.comp.ucb.ExpandContentProvider";
}
uno::Sequence< OUString > ExpandContentProviderImpl::getSupportedServiceNames()
{
check();
return {
"com.sun.star.ucb.ExpandContentProvider",
"com.sun.star.ucb.ContentProvider"
};
}
sal_Bool ExpandContentProviderImpl::supportsService(OUString const & serviceName )
{
return cppu::supportsService(this, serviceName);
}
OUString ExpandContentProviderImpl::expandUri(
uno::Reference< ucb::XContentIdentifier > const & xIdentifier ) const
{
OUString uri( xIdentifier->getContentIdentifier() );
if (!uri.startsWith(EXPAND_PROTOCOL ":"))
{
throw ucb::IllegalIdentifierException(
"expected protocol " EXPAND_PROTOCOL "!",
static_cast< OWeakObject * >(
const_cast< ExpandContentProviderImpl * >(this) ) );
}
// cut protocol
OUString str( uri.copy( sizeof (EXPAND_PROTOCOL ":") -1 ) );
// decode uric class chars
str = ::rtl::Uri::decode(
str, rtl_UriDecodeWithCharset, RTL_TEXTENCODING_UTF8 );
// expand macro string
return m_xMacroExpander->expandMacros( str );
}
// XContentProvider
uno::Reference< ucb::XContent > ExpandContentProviderImpl::queryContent(
uno::Reference< ucb::XContentIdentifier > const & xIdentifier )
{
check();
OUString uri( expandUri( xIdentifier ) );
::ucbhelper::Content ucb_content;
if (::ucbhelper::Content::create(
uri, uno::Reference< ucb::XCommandEnvironment >(),
m_xComponentContext, ucb_content ))
{
return ucb_content.get();
}
else
{
return uno::Reference< ucb::XContent >();
}
}
sal_Int32 ExpandContentProviderImpl::compareContentIds(
uno::Reference< ucb::XContentIdentifier > const & xId1,
uno::Reference< ucb::XContentIdentifier > const & xId2 )
{
check();
try
{
OUString uri1( expandUri( xId1 ) );
OUString uri2( expandUri( xId2 ) );
return uri1.compareTo( uri2 );
}
catch (const ucb::IllegalIdentifierException &)
{
TOOLS_WARN_EXCEPTION( "ucb", "" );
return -1;
}
}
}
extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
ucb_expand_ExpandContentProviderImpl_get_implementation(
css::uno::XComponentContext* context, css::uno::Sequence<css::uno::Any> const&)
{
return cppu::acquire(new ExpandContentProviderImpl(context));
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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