/**************************************************************
 * 
 * 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.
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 *************************************************************/



#ifndef _DAVRESOURCEACCESS_HXX_
#define _DAVRESOURCEACCESS_HXX_

#include <vector>
#include <rtl/ustring.hxx>
#include <rtl/ref.hxx>
#include <osl/mutex.hxx>
#include <com/sun/star/io/XInputStream.hpp>
#include <com/sun/star/io/XOutputStream.hpp>
#include <com/sun/star/ucb/Lock.hpp>
#include <com/sun/star/ucb/XCommandEnvironment.hpp>
#include <com/sun/star/ucb/WebDAVHTTPMethod.hpp>
#include "DAVAuthListener.hxx"
#include "DAVException.hxx"
#include "DAVSession.hxx"
#include "DAVResource.hxx"
#include "DAVTypes.hxx"
#include "CurlUri.hxx"

namespace http_dav_ucp
{

class DAVSessionFactory;

class DAVResourceAccess
{
    osl::Mutex    m_aMutex;
    rtl::OUString m_aURL;
    rtl::OUString m_aPath;
    rtl::Reference< DAVSession > m_xSession;
    rtl::Reference< DAVSessionFactory > m_xSessionFactory;
    com::sun::star::uno::Reference<
        com::sun::star::lang::XMultiServiceFactory > m_xSMgr;
    std::vector< CurlUri > m_aRedirectURIs;

public:
    DAVResourceAccess() : m_xSessionFactory( 0 ) {}
    DAVResourceAccess( const com::sun::star::uno::Reference<
                           com::sun::star::lang::XMultiServiceFactory > & rSMgr,
                       rtl::Reference<
                       DAVSessionFactory > const & rSessionFactory,
                       const rtl::OUString & rURL );
    DAVResourceAccess( const DAVResourceAccess & rOther );

    DAVResourceAccess & operator=( const DAVResourceAccess & rOther );

    void setURL( const rtl::OUString & rNewURL )
        throw ( DAVException );

    void resetUri();

    const rtl::OUString & getURL() const { return m_aURL; }

    rtl::Reference< DAVSessionFactory > getSessionFactory() const
    { return m_xSessionFactory; }

    // DAV methods
    //

    // allprop & named
    void
    PROPFIND( const Depth nDepth,
              const std::vector< rtl::OUString > & rPropertyNames,
              std::vector< DAVResource > & rResources,
              const com::sun::star::uno::Reference<
                  com::sun::star::ucb::XCommandEnvironment > & xEnv )
        throw ( DAVException );

    // propnames
    void
    PROPFIND( const Depth nDepth,
              std::vector< DAVResourceInfo > & rResInfo,
              const com::sun::star::uno::Reference<
                  com::sun::star::ucb::XCommandEnvironment > & xEnv )
        throw ( DAVException );

    void
    PROPPATCH( const std::vector< ProppatchValue > & rValues,
               const com::sun::star::uno::Reference<
                   com::sun::star::ucb::XCommandEnvironment >& xEnv )
        throw ( DAVException );

    void
    HEAD( const std::vector< rtl::OUString > & rHeaderNames, // empty == 'all'
          DAVResource & rResource,
          const com::sun::star::uno::Reference<
              com::sun::star::ucb::XCommandEnvironment >& xEnv )
        throw ( DAVException );

    com::sun::star::uno::Reference< com::sun::star::io::XInputStream >
    GET( const com::sun::star::uno::Reference<
             com::sun::star::ucb::XCommandEnvironment > & xEnv )
        throw ( DAVException );

    void
    GET( com::sun::star::uno::Reference<
             com::sun::star::io::XOutputStream > & rStream,
         const com::sun::star::uno::Reference<
             com::sun::star::ucb::XCommandEnvironment > & xEnv )
        throw ( DAVException );

    com::sun::star::uno::Reference< com::sun::star::io::XInputStream >
    GET( const std::vector< rtl::OUString > & rHeaderNames, // empty == 'all'
         DAVResource & rResource,
         const com::sun::star::uno::Reference<
             com::sun::star::ucb::XCommandEnvironment > & xEnv )
        throw ( DAVException );

    com::sun::star::uno::Reference< com::sun::star::io::XInputStream >
    GET( DAVRequestHeaders & rRequestHeaders,
         const std::vector< rtl::OUString > & rHeaderNames, // empty == 'all'
         DAVResource & rResource,
         const com::sun::star::uno::Reference<
             com::sun::star::ucb::XCommandEnvironment > & xEnv )
        throw ( DAVException );

    void
    GET( com::sun::star::uno::Reference<
             com::sun::star::io::XOutputStream > & rStream,
         const std::vector< rtl::OUString > & rHeaderNames, // empty == 'all'
         DAVResource & rResource,
         const com::sun::star::uno::Reference<
             com::sun::star::ucb::XCommandEnvironment > & xEnv )
        throw ( DAVException );

    void
    PUT( const com::sun::star::uno::Reference<
             com::sun::star::io::XInputStream > & rStream,
         const com::sun::star::uno::Reference<
             com::sun::star::ucb::XCommandEnvironment > & xEnv )
        throw ( DAVException );

    com::sun::star::uno::Reference< com::sun::star::io::XInputStream >
    POST( const rtl::OUString & rContentType,
          const rtl::OUString & rReferer,
          const com::sun::star::uno::Reference<
              com::sun::star::io::XInputStream > & rInputStream,
          const com::sun::star::uno::Reference<
          com::sun::star::ucb::XCommandEnvironment >& xEnv )
        throw ( DAVException );

    void
    POST( const rtl::OUString & rContentType,
          const rtl::OUString & rReferer,
          const com::sun::star::uno::Reference<
              com::sun::star::io::XInputStream > & rInputStream,
          com::sun::star::uno::Reference<
              com::sun::star::io::XOutputStream > & rOutputStream,
          const com::sun::star::uno::Reference<
              com::sun::star::ucb::XCommandEnvironment >& xEnv )
        throw ( DAVException );

    void
    MKCOL( const com::sun::star::uno::Reference<
               com::sun::star::ucb::XCommandEnvironment > & xEnv )
        throw ( DAVException );

    void
    COPY( const ::rtl::OUString & rSourcePath,
          const ::rtl::OUString & rDestinationURI,
          sal_Bool bOverwrite,
          const com::sun::star::uno::Reference<
              com::sun::star::ucb::XCommandEnvironment > & xEnv )
        throw ( DAVException );

    void
    MOVE( const ::rtl::OUString & rSourcePath,
          const ::rtl::OUString & rDestinationURI,
          sal_Bool bOverwrite,
          const com::sun::star::uno::Reference<
              com::sun::star::ucb::XCommandEnvironment > & xEnv )
        throw ( DAVException );

    void
    DESTROY( const com::sun::star::uno::Reference<
                 com::sun::star::ucb::XCommandEnvironment > & xEnv )
        throw ( DAVException );

    // set new lock.
    void
    LOCK( com::sun::star::ucb::Lock & inLock,
          const com::sun::star::uno::Reference<
          com::sun::star::ucb::XCommandEnvironment > & xEnv )
        throw( DAVException );

#if 0 // currently not used, but please don't remove code
    // refresh existing lock.
    sal_Int64
    LOCK( sal_Int64 nTimeout,
          const com::sun::star::uno::Reference<
              com::sun::star::ucb::XCommandEnvironment > & xEnv )
        throw ( DAVException );
#endif

    void
    UNLOCK( const com::sun::star::uno::Reference<
                com::sun::star::ucb::XCommandEnvironment > & xEnv )
        throw ( DAVException );

    void
    abort()
        throw ( DAVException );

    // helper
    static void
    getUserRequestHeaders(
        const com::sun::star::uno::Reference<
            com::sun::star::ucb::XCommandEnvironment > & xEnv,
        const rtl::OUString & rURI,
        com::sun::star::ucb::WebDAVHTTPMethod eMethod,
        DAVRequestHeaders & rRequestHeaders );

private:
    const rtl::OUString & getRequestURI() const;
    sal_Bool detectRedirectCycle( const rtl::OUString& rRedirectURL )
        throw ( DAVException );
    sal_Bool handleException( DAVException & e, int errorCount )
        throw ( DAVException );
    void initialize()
        throw ( DAVException );
};

} // namespace http_dav_ucp

#endif // _DAVRESOURCEACCESS_HXX_