LCOV - code coverage report
Current view: top level - comphelper/source/streaming - seqinputstreamserv.cxx (source / functions) Hit Total Coverage
Test: commit c8344322a7af75b84dd3ca8f78b05543a976dfd5 Lines: 40 81 49.4 %
Date: 2015-06-13 12:38:46 Functions: 10 19 52.6 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #include <sal/config.h>
      21             : 
      22             : #include "comphelper_module.hxx"
      23             : #include "comphelper_services.hxx"
      24             : 
      25             : #include <boost/noncopyable.hpp>
      26             : #include <osl/mutex.hxx>
      27             : #include <cppuhelper/factory.hxx>
      28             : #include <cppuhelper/implementationentry.hxx>
      29             : #include <cppuhelper/implbase3.hxx>
      30             : #include <cppuhelper/supportsservice.hxx>
      31             : #include <comphelper/seqstream.hxx>
      32             : #include <com/sun/star/lang/XServiceInfo.hpp>
      33             : #include <com/sun/star/io/XSeekableInputStream.hpp>
      34             : #include <com/sun/star/lang/XInitialization.hpp>
      35             : #include <com/sun/star/frame/DoubleInitializationException.hpp>
      36             : #include <com/sun/star/uno/XComponentContext.hpp>
      37             : 
      38             : 
      39             : using namespace ::com::sun::star;
      40             : 
      41             : namespace {
      42             : 
      43             : class SequenceInputStreamService:
      44             :     public ::cppu::WeakImplHelper3<
      45             :         lang::XServiceInfo,
      46             :         io::XSeekableInputStream,
      47             :         lang::XInitialization>,
      48             :     private boost::noncopyable
      49             : {
      50             : public:
      51             :     explicit SequenceInputStreamService();
      52             : 
      53             :     // ::com::sun::star::lang::XServiceInfo:
      54             :     virtual OUString SAL_CALL getImplementationName() throw ( uno::RuntimeException, std::exception ) SAL_OVERRIDE;
      55             :     virtual sal_Bool SAL_CALL supportsService( const OUString & ServiceName ) throw ( uno::RuntimeException, std::exception ) SAL_OVERRIDE;
      56             :     virtual uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() throw ( uno::RuntimeException, std::exception ) SAL_OVERRIDE;
      57             : 
      58             :     // XServiceInfo - static versions (used for component registration)
      59             :     static OUString SAL_CALL getImplementationName_static();
      60             :     static uno::Sequence< OUString > SAL_CALL getSupportedServiceNames_static();
      61             :     static uno::Reference< uno::XInterface > SAL_CALL Create( const uno::Reference< uno::XComponentContext >& );
      62             : 
      63             :     // ::com::sun::star::io::XInputStream:
      64             :     virtual ::sal_Int32 SAL_CALL readBytes( uno::Sequence< ::sal_Int8 > & aData, ::sal_Int32 nBytesToRead ) throw ( uno::RuntimeException, io::NotConnectedException, io::BufferSizeExceededException, io::IOException, std::exception ) SAL_OVERRIDE;
      65             :     virtual ::sal_Int32 SAL_CALL readSomeBytes( uno::Sequence< ::sal_Int8 > & aData, ::sal_Int32 nMaxBytesToRead ) throw ( uno::RuntimeException, io::NotConnectedException, io::BufferSizeExceededException, io::IOException, std::exception ) SAL_OVERRIDE;
      66             :     virtual void SAL_CALL skipBytes( ::sal_Int32 nBytesToSkip ) throw ( uno::RuntimeException, io::NotConnectedException, io::BufferSizeExceededException, io::IOException, std::exception ) SAL_OVERRIDE;
      67             :     virtual ::sal_Int32 SAL_CALL available() throw ( uno::RuntimeException, io::NotConnectedException, io::IOException, std::exception ) SAL_OVERRIDE;
      68             :     virtual void SAL_CALL closeInput() throw ( uno::RuntimeException, io::NotConnectedException, io::IOException, std::exception ) SAL_OVERRIDE;
      69             : 
      70             :     // ::com::sun::star::io::XSeekable:
      71             :     virtual void SAL_CALL seek( ::sal_Int64 location ) throw ( uno::RuntimeException, lang::IllegalArgumentException, io::IOException, std::exception ) SAL_OVERRIDE;
      72             :     virtual ::sal_Int64 SAL_CALL getPosition() throw ( uno::RuntimeException, io::IOException, std::exception ) SAL_OVERRIDE;
      73             :     virtual ::sal_Int64 SAL_CALL getLength() throw ( uno::RuntimeException, io::IOException, std::exception ) SAL_OVERRIDE;
      74             : 
      75             :     // ::com::sun::star::lang::XInitialization:
      76             :     virtual void SAL_CALL initialize( const uno::Sequence< ::com::sun::star::uno::Any > & aArguments ) throw ( uno::RuntimeException, uno::Exception, std::exception ) SAL_OVERRIDE;
      77             : 
      78             : private:
      79          12 :     virtual ~SequenceInputStreamService() {}
      80             : 
      81             : 
      82             :     ::osl::Mutex m_aMutex;
      83             :     bool m_bInitialized;
      84             :     uno::Reference< io::XInputStream > m_xInputStream;
      85             :     uno::Reference< io::XSeekable > m_xSeekable;
      86             : };
      87             : 
      88           6 : SequenceInputStreamService::SequenceInputStreamService()
      89           6 : : m_bInitialized( false )
      90           6 : {}
      91             : 
      92             : // com.sun.star.uno.XServiceInfo:
      93           0 : OUString SAL_CALL SequenceInputStreamService::getImplementationName() throw ( uno::RuntimeException, std::exception )
      94             : {
      95           0 :     return getImplementationName_static();
      96             : }
      97             : 
      98         191 : OUString SAL_CALL SequenceInputStreamService::getImplementationName_static()
      99             : {
     100         191 :     return OUString( "com.sun.star.comp.SequenceInputStreamService" );
     101             : }
     102             : 
     103           0 : sal_Bool SAL_CALL SequenceInputStreamService::supportsService( OUString const & serviceName ) throw ( uno::RuntimeException, std::exception )
     104             : {
     105           0 :     return cppu::supportsService(this, serviceName);
     106             : }
     107             : 
     108           0 : uno::Sequence< OUString > SAL_CALL SequenceInputStreamService::getSupportedServiceNames() throw ( uno::RuntimeException, std::exception )
     109             : {
     110           0 :     return getSupportedServiceNames_static();
     111             : }
     112             : 
     113         191 : uno::Sequence< OUString > SAL_CALL SequenceInputStreamService::getSupportedServiceNames_static()
     114             : {
     115         191 :     uno::Sequence< OUString > s( 1 );
     116         191 :     s[0] = "com.sun.star.io.SequenceInputStream";
     117         191 :     return s;
     118             : }
     119             : 
     120           6 : uno::Reference< uno::XInterface > SAL_CALL SequenceInputStreamService::Create(
     121             :     SAL_UNUSED_PARAMETER const uno::Reference< uno::XComponentContext >& )
     122             : {
     123           6 :     return static_cast< ::cppu::OWeakObject * >( new SequenceInputStreamService() );
     124             : }
     125             : 
     126             : // ::com::sun::star::io::XInputStream:
     127           3 : ::sal_Int32 SAL_CALL SequenceInputStreamService::readBytes( uno::Sequence< ::sal_Int8 > & aData, ::sal_Int32 nBytesToRead ) throw ( uno::RuntimeException, io::NotConnectedException, io::BufferSizeExceededException, io::IOException, std::exception )
     128             : {
     129           3 :     ::osl::MutexGuard aGuard( m_aMutex );
     130           3 :     if ( !m_xInputStream.is() )
     131           0 :         throw io::NotConnectedException();
     132             : 
     133           3 :     return m_xInputStream->readBytes( aData, nBytesToRead );
     134             : }
     135             : 
     136           0 : ::sal_Int32 SAL_CALL SequenceInputStreamService::readSomeBytes( uno::Sequence< ::sal_Int8 > & aData, ::sal_Int32 nMaxBytesToRead ) throw ( uno::RuntimeException, io::NotConnectedException, io::BufferSizeExceededException, io::IOException, std::exception )
     137             : {
     138           0 :     ::osl::MutexGuard aGuard( m_aMutex );
     139           0 :     if ( !m_xInputStream.is() )
     140           0 :         throw io::NotConnectedException();
     141             : 
     142           0 :     return m_xInputStream->readSomeBytes( aData, nMaxBytesToRead );
     143             : }
     144             : 
     145           0 : void SAL_CALL SequenceInputStreamService::skipBytes( ::sal_Int32 nBytesToSkip ) throw ( uno::RuntimeException, io::NotConnectedException, io::BufferSizeExceededException, io::IOException, std::exception )
     146             : {
     147           0 :     ::osl::MutexGuard aGuard( m_aMutex );
     148           0 :     if ( !m_xInputStream.is() )
     149           0 :         throw io::NotConnectedException();
     150             : 
     151           0 :     return m_xInputStream->skipBytes( nBytesToSkip );
     152             : }
     153             : 
     154           0 : ::sal_Int32 SAL_CALL SequenceInputStreamService::available() throw ( uno::RuntimeException, io::NotConnectedException, io::IOException, std::exception )
     155             : {
     156           0 :     ::osl::MutexGuard aGuard( m_aMutex );
     157           0 :     if ( !m_xInputStream.is() )
     158           0 :         throw io::NotConnectedException();
     159             : 
     160           0 :     return m_xInputStream->available();
     161             : }
     162             : 
     163           1 : void SAL_CALL SequenceInputStreamService::closeInput() throw ( uno::RuntimeException, io::NotConnectedException, io::IOException, std::exception )
     164             : {
     165           1 :     ::osl::MutexGuard aGuard( m_aMutex );
     166           1 :     if ( !m_xInputStream.is() )
     167           0 :         throw io::NotConnectedException();
     168             : 
     169           1 :     m_xInputStream->closeInput();
     170           1 :     m_xInputStream = uno::Reference< io::XInputStream >();
     171           1 :     m_xSeekable = uno::Reference< io::XSeekable >();
     172           1 : }
     173             : 
     174             : // ::com::sun::star::io::XSeekable:
     175           0 : void SAL_CALL SequenceInputStreamService::seek( ::sal_Int64 location ) throw ( uno::RuntimeException, lang::IllegalArgumentException, io::IOException, std::exception )
     176             : {
     177           0 :     ::osl::MutexGuard aGuard( m_aMutex );
     178           0 :     if ( !m_xSeekable.is() )
     179           0 :         throw io::NotConnectedException();
     180             : 
     181           0 :     m_xSeekable->seek( location );
     182           0 : }
     183             : 
     184           0 : ::sal_Int64 SAL_CALL SequenceInputStreamService::getPosition() throw ( uno::RuntimeException, io::IOException, std::exception )
     185             : {
     186           0 :     ::osl::MutexGuard aGuard( m_aMutex );
     187           0 :     if ( !m_xSeekable.is() )
     188           0 :         throw io::NotConnectedException();
     189             : 
     190           0 :     return m_xSeekable->getPosition();
     191             : }
     192             : 
     193           0 : ::sal_Int64 SAL_CALL SequenceInputStreamService::getLength() throw ( uno::RuntimeException, io::IOException, std::exception )
     194             : {
     195           0 :     ::osl::MutexGuard aGuard( m_aMutex );
     196           0 :     if ( !m_xSeekable.is() )
     197           0 :         throw io::NotConnectedException();
     198             : 
     199           0 :     return m_xSeekable->getLength();
     200             : }
     201             : 
     202             : // ::com::sun::star::lang::XInitialization:
     203           6 : void SAL_CALL SequenceInputStreamService::initialize( const uno::Sequence< ::com::sun::star::uno::Any > & aArguments ) throw ( uno::RuntimeException, uno::Exception, std::exception )
     204             : {
     205           6 :     ::osl::MutexGuard aGuard( m_aMutex );
     206           6 :     if ( m_bInitialized )
     207           0 :         throw frame::DoubleInitializationException();
     208             : 
     209           6 :     if ( aArguments.getLength() != 1 )
     210             :         throw lang::IllegalArgumentException( "Wrong number of arguments!",
     211             :                                             static_cast< ::cppu::OWeakObject* >(this),
     212           0 :                                             1 );
     213             : 
     214          12 :     uno::Sequence< sal_Int8 > aSeq;
     215           6 :     if ( aArguments[0] >>= aSeq )
     216             :     {
     217             :         uno::Reference< io::XInputStream > xInputStream(
     218           6 :                         static_cast< ::cppu::OWeakObject* >( new ::comphelper::SequenceInputStream( aSeq ) ),
     219          12 :                         uno::UNO_QUERY_THROW );
     220          12 :         uno::Reference< io::XSeekable > xSeekable( xInputStream, uno::UNO_QUERY_THROW );
     221           6 :         m_xInputStream = xInputStream;
     222           6 :         m_xSeekable = xSeekable;
     223          12 :         m_bInitialized = true;
     224             :     }
     225             :     else
     226             :         throw lang::IllegalArgumentException( "Unexpected type of argument!",
     227             :                                             static_cast< ::cppu::OWeakObject* >(this),
     228           6 :                                             1 );
     229           6 : }
     230             : 
     231             : } // anonymous namespace
     232             : 
     233         191 : void createRegistryInfo_SequenceInputStream()
     234             : {
     235         191 :     static ::comphelper::module::OAutoRegistration< SequenceInputStreamService > aAutoRegistration;
     236         191 : }
     237             : 
     238             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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