/* -*- 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 <ManifestReader.hxx>
#include <ManifestImport.hxx>
#include <comphelper/processfactory.hxx>
#include <cppuhelper/factory.hxx>
#include <cppuhelper/supportsservice.hxx>
#include <com/sun/star/xml/sax/XDocumentHandler.hpp>
#include <com/sun/star/xml/sax/SAXParseException.hpp>
#include <com/sun/star/xml/sax/Parser.hpp>
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#include <com/sun/star/lang/XSingleServiceFactory.hpp>
#include <vector>

using namespace ::std;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::beans;
using namespace ::com::sun::star::io;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::registry;
using namespace ::com::sun::star::packages;
using namespace ::com::sun::star::xml::sax;
using namespace ::com::sun::star::packages::manifest;

ManifestReader::ManifestReader( const Reference < XComponentContext > & xContext )
: m_xContext ( xContext )
{
}
ManifestReader::~ManifestReader()
{
}
Sequence< Sequence< PropertyValue > > SAL_CALL ManifestReader::readManifestSequence( const Reference< XInputStream >& rStream )
    throw (::com::sun::star::uno::RuntimeException, std::exception)
{
    Sequence < Sequence < PropertyValue > > aManifestSequence;
    Reference < XParser > xParser  = Parser::create(m_xContext);
    try
    {
        vector < Sequence < PropertyValue > > aManVector;
        Reference < XDocumentHandler > xFilter = new ManifestImport( aManVector );
        InputSource aParserInput;
        aParserInput.aInputStream = rStream;
        aParserInput.sSystemId = "META-INF/manifest.xml";
        xParser->setDocumentHandler ( xFilter );
        xParser->parseStream( aParserInput );
        aManifestSequence.realloc ( aManVector.size() );
        Sequence < PropertyValue > * pSequence = aManifestSequence.getArray();
        ::std::vector < Sequence < PropertyValue > >::const_iterator aIter = aManVector.begin();
        ::std::vector < Sequence < PropertyValue > >::const_iterator aEnd = aManVector.end();
        while( aIter != aEnd )
            *pSequence++ = (*aIter++);
    }
    catch (SAXParseException& e)
    {
        SAL_WARN("package", "ignoring SAXParseException " + e.Message);
    }
    catch (SAXException& e)
    {
        SAL_WARN("package", "ignoring SAXException " + e.Message);
    }
    catch (IOException& e)
    {
        SAL_WARN("package", "ignoring IOException " + e.Message);
    }
    xParser->setDocumentHandler ( Reference < XDocumentHandler > () );
    return aManifestSequence;
}
// Component functions

Reference < XInterface > SAL_CALL ManifestReader_createInstance( Reference< XMultiServiceFactory > const & rServiceFactory )
{
    return *new ManifestReader( comphelper::getComponentContext(rServiceFactory) );
}
OUString ManifestReader::static_getImplementationName()
{
    return OUString( "com.sun.star.packages.manifest.comp.ManifestReader" );
}

Sequence < OUString > ManifestReader::static_getSupportedServiceNames()
{
    Sequence < OUString > aNames(1);
    aNames[0] = "com.sun.star.packages.manifest.ManifestReader";
    return aNames;
}

OUString ManifestReader::getImplementationName()
    throw (RuntimeException, std::exception)
{
    return static_getImplementationName();
}

sal_Bool SAL_CALL ManifestReader::supportsService(OUString const & rServiceName)
    throw (RuntimeException, std::exception)
{
    return cppu::supportsService(this, rServiceName );
}

Sequence < OUString > ManifestReader::getSupportedServiceNames()
    throw (RuntimeException, std::exception)
{
    return static_getSupportedServiceNames();
}
Reference < XSingleServiceFactory > ManifestReader::createServiceFactory( Reference < XMultiServiceFactory > const & rServiceFactory )
{
    return cppu::createSingleFactory (rServiceFactory,
                                           static_getImplementationName(),
                                           ManifestReader_createInstance,
                                           static_getSupportedServiceNames());
}

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