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 #ifndef ODMA_INPUTSTREAM_HXX 25 #define ODMA_INPUTSTREAM_HXX 26 27 #include <osl/mutex.hxx> 28 #include <com/sun/star/io/XInputStream.hpp> 29 #include <com/sun/star/io/XStream.hpp> 30 #include <com/sun/star/io/XOutputStream.hpp> 31 #include <com/sun/star/io/XTruncate.hpp> 32 #include <com/sun/star/io/XSeekable.hpp> 33 #include <cppuhelper/implbase5.hxx> 34 35 #include "rtl/ref.hxx" 36 37 namespace ucbhelper 38 { 39 class Content; 40 } 41 namespace odma 42 { 43 typedef ::cppu::WeakImplHelper5< ::com::sun::star::io::XInputStream, 44 ::com::sun::star::io::XStream, 45 ::com::sun::star::io::XTruncate, 46 ::com::sun::star::io::XSeekable, 47 ::com::sun::star::io::XOutputStream> OOdmaStreamBase; 48 49 class ContentProvider; 50 class ContentProperties; 51 class OOdmaStream : public OOdmaStreamBase 52 { 53 ::osl::Mutex m_aMutex; 54 ::com::sun::star::uno::Reference< ::com::sun::star::io::XOutputStream> m_xOutput; 55 ::com::sun::star::uno::Reference< ::com::sun::star::io::XTruncate> m_xTruncate; 56 ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream> m_xInput; 57 ::com::sun::star::uno::Reference< ::com::sun::star::io::XSeekable> m_xInputSeek; 58 59 ::rtl::Reference<ContentProperties> m_aProp; 60 ::ucbhelper::Content* m_pContent; 61 ContentProvider* m_pProvider; 62 sal_Bool m_bInputStreamCalled; 63 sal_Bool m_bOutputStreamCalled; 64 sal_Bool m_bModified; 65 66 void ensureInputStream() throw( ::com::sun::star::io::IOException ); 67 void ensureOutputStream() throw( ::com::sun::star::io::IOException ); 68 void SAL_CALL closeStream() throw( ::com::sun::star::io::NotConnectedException, 69 ::com::sun::star::io::IOException, 70 ::com::sun::star::uno::RuntimeException ); 71 public: 72 OOdmaStream(::ucbhelper::Content* _pContent, 73 ContentProvider* _pProvider, 74 const ::rtl::Reference<ContentProperties>& _rProp); 75 virtual ~OOdmaStream(); 76 // com::sun::star::io::XInputStream 77 virtual sal_Int32 SAL_CALL readBytes( ::com::sun::star::uno::Sequence<sal_Int8>& aData, sal_Int32 nBytesToRead ) 78 throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, 79 ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException); 80 81 virtual sal_Int32 SAL_CALL readSomeBytes( ::com::sun::star::uno::Sequence<sal_Int8>& aData, sal_Int32 nMaxBytesToRead ) 82 throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, 83 ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException); 84 85 virtual void SAL_CALL skipBytes( sal_Int32 nBytesToSkip ) 86 throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, 87 ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException); 88 89 virtual sal_Int32 SAL_CALL available( ) 90 throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException); 91 92 virtual void SAL_CALL closeInput( ) 93 throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException); 94 95 // com::sun::star::io::XStream 96 virtual com::sun::star::uno::Reference< com::sun::star::io::XInputStream > SAL_CALL getInputStream( ) throw( com::sun::star::uno::RuntimeException ); 97 virtual com::sun::star::uno::Reference< com::sun::star::io::XOutputStream > SAL_CALL getOutputStream( ) throw( com::sun::star::uno::RuntimeException ); 98 99 // com::sun::star::io::XOutputStream 100 void SAL_CALL writeBytes( const com::sun::star::uno::Sequence< sal_Int8 >& aData ) 101 throw( com::sun::star::io::NotConnectedException, 102 com::sun::star::io::BufferSizeExceededException, 103 com::sun::star::io::IOException, 104 com::sun::star::uno::RuntimeException); 105 106 void SAL_CALL flush() 107 throw( com::sun::star::io::NotConnectedException, 108 com::sun::star::io::BufferSizeExceededException, 109 com::sun::star::io::IOException, 110 com::sun::star::uno::RuntimeException); 111 void SAL_CALL closeOutput() 112 throw( com::sun::star::io::NotConnectedException, 113 com::sun::star::io::IOException, 114 com::sun::star::uno::RuntimeException ); 115 // XTruncate 116 virtual void SAL_CALL truncate( void ) 117 throw( com::sun::star::io::IOException, 118 com::sun::star::uno::RuntimeException ); 119 // XSeekable 120 void SAL_CALL seek(sal_Int64 location ) 121 throw( com::sun::star::lang::IllegalArgumentException, 122 com::sun::star::io::IOException, 123 com::sun::star::uno::RuntimeException ); 124 125 sal_Int64 SAL_CALL getPosition() 126 throw( com::sun::star::io::IOException, 127 com::sun::star::uno::RuntimeException ); 128 129 sal_Int64 SAL_CALL getLength() 130 throw( com::sun::star::io::IOException, 131 com::sun::star::uno::RuntimeException ); 132 }; 133 } 134 #endif // ODMA_INPUTSTREAM_HXX 135