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 #include "precompiled_dbaccess.hxx" 25 26 #include "storagestream.hxx" 27 28 /** === begin UNO includes === **/ 29 #include <com/sun/star/embed/ElementModes.hpp> 30 /** === end UNO includes === **/ 31 32 #include <tools/diagnose_ex.h> 33 34 //........................................................................ 35 namespace dbaccess 36 { 37 //........................................................................ 38 39 /** === begin UNO using === **/ 40 using ::com::sun::star::uno::Reference; 41 using ::com::sun::star::uno::XInterface; 42 using ::com::sun::star::uno::UNO_QUERY; 43 using ::com::sun::star::uno::UNO_QUERY_THROW; 44 using ::com::sun::star::uno::UNO_SET_THROW; 45 using ::com::sun::star::uno::Exception; 46 using ::com::sun::star::uno::RuntimeException; 47 using ::com::sun::star::uno::Any; 48 using ::com::sun::star::uno::makeAny; 49 using ::com::sun::star::uno::Sequence; 50 using ::com::sun::star::uno::Type; 51 using ::com::sun::star::embed::XStorage; 52 using ::com::sun::star::io::XStream; 53 /** === end UNO using === **/ 54 namespace ElementModes = ::com::sun::star::embed::ElementModes; 55 56 //==================================================================== 57 //= StorageOutputStream 58 //==================================================================== 59 //-------------------------------------------------------------------- StorageOutputStream(const::comphelper::ComponentContext & i_rContext,const Reference<XStorage> & i_rParentStorage,const::rtl::OUString & i_rStreamName)60 StorageOutputStream::StorageOutputStream( const ::comphelper::ComponentContext& i_rContext, 61 const Reference< XStorage >& i_rParentStorage, 62 const ::rtl::OUString& i_rStreamName 63 ) 64 :m_rContext( i_rContext ) 65 { 66 ENSURE_OR_THROW( i_rParentStorage.is(), "illegal stream" ); 67 68 const Reference< XStream > xStream( 69 i_rParentStorage->openStreamElement( i_rStreamName, ElementModes::READWRITE ), UNO_QUERY_THROW ); 70 m_xOutputStream.set( xStream->getOutputStream(), UNO_SET_THROW ); 71 } 72 73 //-------------------------------------------------------------------- ~StorageOutputStream()74 StorageOutputStream::~StorageOutputStream() 75 { 76 } 77 78 //-------------------------------------------------------------------- close()79 void StorageOutputStream::close() 80 { 81 ENSURE_OR_RETURN_VOID( m_xOutputStream.is(), "already closed" ); 82 m_xOutputStream->closeOutput(); 83 m_xOutputStream.clear(); 84 85 // if you add additional functionality here, be aware that there are derived classes which 86 // (legitimately) do not call this method here. 87 } 88 89 //==================================================================== 90 //= StorageInputStream 91 //==================================================================== 92 //-------------------------------------------------------------------- StorageInputStream(const::comphelper::ComponentContext & i_rContext,const Reference<XStorage> & i_rParentStorage,const::rtl::OUString & i_rStreamName)93 StorageInputStream::StorageInputStream( const ::comphelper::ComponentContext& i_rContext, 94 const Reference< XStorage >& i_rParentStorage, 95 const ::rtl::OUString& i_rStreamName 96 ) 97 :m_rContext( i_rContext ) 98 { 99 ENSURE_OR_THROW( i_rParentStorage.is(), "illegal stream" ); 100 101 const Reference< XStream > xStream( 102 i_rParentStorage->openStreamElement( i_rStreamName, ElementModes::READ ), UNO_QUERY_THROW ); 103 m_xInputStream.set( xStream->getInputStream(), UNO_SET_THROW ); 104 } 105 106 //-------------------------------------------------------------------- ~StorageInputStream()107 StorageInputStream::~StorageInputStream() 108 { 109 } 110 111 //-------------------------------------------------------------------- close()112 void StorageInputStream::close() 113 { 114 ENSURE_OR_RETURN_VOID( m_xInputStream.is(), "already closed" ); 115 m_xInputStream->closeInput(); 116 m_xInputStream.clear(); 117 118 // if you add additional functionality here, be aware that there are derived classes which 119 // (legitimately) do not call this method here. 120 } 121 122 //........................................................................ 123 } // namespace dbaccess 124 //........................................................................ 125