1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 // MARKER(update_precomp.py): autogen include statement, do not remove 25 #include "precompiled_package.hxx" 26 27 #include <com/sun/star/ucb/XSimpleFileAccess.hpp> 28 29 #include "selfterminatefilestream.hxx" 30 #include <comphelper/processfactory.hxx> 31 32 using namespace ::com::sun::star; 33 34 //----------------------------------------------- 35 OSelfTerminateFileStream::OSelfTerminateFileStream( const uno::Reference< lang::XMultiServiceFactory > xFactory, const ::rtl::OUString& aURL ) 36 : m_aURL( aURL ) 37 { 38 uno::Reference< lang::XMultiServiceFactory > xOwnFactory = xFactory; 39 if ( !xOwnFactory.is() ) 40 xOwnFactory.set( ::comphelper::getProcessServiceFactory(), uno::UNO_SET_THROW ); 41 42 // IMPORTANT: The implementation is based on idea that m_xFileAccess, m_xInputStream and m_xSeekable are always set 43 // otherwise an exception is thrown in constructor 44 45 m_xFileAccess.set( xOwnFactory->createInstance ( 46 ::rtl::OUString::createFromAscii( "com.sun.star.ucb.SimpleFileAccess" ) ), 47 uno::UNO_QUERY_THROW ); 48 49 m_xInputStream.set( m_xFileAccess->openFileRead( aURL ), uno::UNO_SET_THROW ); 50 m_xSeekable.set( m_xInputStream, uno::UNO_QUERY_THROW ); 51 } 52 53 //----------------------------------------------- 54 OSelfTerminateFileStream::~OSelfTerminateFileStream() 55 { 56 CloseStreamDeleteFile(); 57 } 58 59 //----------------------------------------------- 60 void OSelfTerminateFileStream::CloseStreamDeleteFile() 61 { 62 try 63 { 64 m_xInputStream->closeInput(); 65 } 66 catch( uno::Exception& ) 67 {} 68 69 try 70 { 71 m_xFileAccess->kill( m_aURL ); 72 } 73 catch( uno::Exception& ) 74 {} 75 } 76 77 //----------------------------------------------- 78 sal_Int32 SAL_CALL OSelfTerminateFileStream::readBytes( uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead ) 79 throw ( io::NotConnectedException, 80 io::BufferSizeExceededException, 81 io::IOException, 82 uno::RuntimeException ) 83 { 84 return m_xInputStream->readBytes( aData, nBytesToRead ); 85 } 86 87 //----------------------------------------------- 88 sal_Int32 SAL_CALL OSelfTerminateFileStream::readSomeBytes( uno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead ) 89 throw ( io::NotConnectedException, 90 io::BufferSizeExceededException, 91 io::IOException, 92 uno::RuntimeException ) 93 { 94 return m_xInputStream->readSomeBytes( aData, nMaxBytesToRead ); 95 } 96 97 //----------------------------------------------- 98 void SAL_CALL OSelfTerminateFileStream::skipBytes( sal_Int32 nBytesToSkip ) 99 throw ( io::NotConnectedException, 100 io::BufferSizeExceededException, 101 io::IOException, 102 uno::RuntimeException ) 103 { 104 return m_xInputStream->skipBytes( nBytesToSkip ); 105 } 106 107 //----------------------------------------------- 108 sal_Int32 SAL_CALL OSelfTerminateFileStream::available( ) 109 throw ( io::NotConnectedException, 110 io::IOException, 111 uno::RuntimeException ) 112 { 113 return m_xInputStream->available(); 114 } 115 116 //----------------------------------------------- 117 void SAL_CALL OSelfTerminateFileStream::closeInput( ) 118 throw ( io::NotConnectedException, 119 io::IOException, 120 uno::RuntimeException ) 121 { 122 CloseStreamDeleteFile(); 123 } 124 125 //----------------------------------------------- 126 void SAL_CALL OSelfTerminateFileStream::seek( sal_Int64 location ) 127 throw ( lang::IllegalArgumentException, 128 io::IOException, 129 uno::RuntimeException ) 130 { 131 m_xSeekable->seek( location ); 132 } 133 134 //----------------------------------------------- 135 sal_Int64 SAL_CALL OSelfTerminateFileStream::getPosition() 136 throw ( io::IOException, 137 uno::RuntimeException) 138 { 139 return m_xSeekable->getPosition(); 140 } 141 142 //----------------------------------------------- 143 sal_Int64 SAL_CALL OSelfTerminateFileStream::getLength() 144 throw ( io::IOException, 145 uno::RuntimeException ) 146 { 147 return m_xSeekable->getLength(); 148 } 149 150