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 #ifndef _GVFSSTREAM_HXX_ 24 #define _GVFSSTREAM_HXX_ 25 26 #include <sal/types.h> 27 #include <rtl/ustring.hxx> 28 #include <cppuhelper/weak.hxx> 29 #include <com/sun/star/io/XStream.hpp> 30 #include <com/sun/star/io/XInputStream.hpp> 31 #include <com/sun/star/io/XOutputStream.hpp> 32 #include <com/sun/star/io/XTruncate.hpp> 33 #include <com/sun/star/io/XSeekable.hpp> 34 35 #include <libgnomevfs/gnome-vfs-handle.h> 36 37 namespace gvfs 38 { 39 40 class Stream : public ::com::sun::star::io::XStream, 41 public ::com::sun::star::io::XInputStream, 42 public ::com::sun::star::io::XOutputStream, 43 public ::com::sun::star::io::XTruncate, 44 public ::com::sun::star::io::XSeekable, 45 public ::cppu::OWeakObject 46 { 47 private: 48 GnomeVFSHandle *m_handle; 49 GnomeVFSFileInfo m_info; 50 osl::Mutex m_aMutex; 51 sal_Bool m_eof; 52 sal_Bool m_bInputStreamCalled; 53 sal_Bool m_bOutputStreamCalled; 54 55 void throwOnError( GnomeVFSResult result ) 56 throw( ::com::sun::star::io::NotConnectedException, 57 ::com::sun::star::io::BufferSizeExceededException, 58 ::com::sun::star::io::IOException, 59 ::com::sun::star::uno::RuntimeException ); 60 61 void closeStream( void ) 62 throw( ::com::sun::star::io::NotConnectedException, 63 ::com::sun::star::io::IOException, 64 ::com::sun::star::uno::RuntimeException ); 65 66 public: 67 Stream ( GnomeVFSHandle *handle, 68 const GnomeVFSFileInfo *aInfo ); 69 virtual ~Stream(); 70 71 // XInterface 72 virtual com::sun::star::uno::Any SAL_CALL queryInterface(const ::com::sun::star::uno::Type & type ) 73 throw( ::com::sun::star::uno::RuntimeException ); acquire(void)74 virtual void SAL_CALL acquire( void ) 75 throw () 76 { OWeakObject::acquire(); } release(void)77 virtual void SAL_CALL release( void ) 78 throw() 79 { OWeakObject::release(); } 80 81 // XStream 82 virtual com::sun::star::uno::Reference< com::sun::star::io::XInputStream > SAL_CALL getInputStream( ) 83 throw( com::sun::star::uno::RuntimeException ); 84 85 virtual com::sun::star::uno::Reference< com::sun::star::io::XOutputStream > SAL_CALL getOutputStream( ) 86 throw( com::sun::star::uno::RuntimeException ); 87 88 // XInputStream 89 virtual sal_Int32 SAL_CALL readBytes( 90 ::com::sun::star::uno::Sequence< sal_Int8 > & aData, 91 sal_Int32 nBytesToRead ) 92 throw( ::com::sun::star::io::NotConnectedException, 93 ::com::sun::star::io::BufferSizeExceededException, 94 ::com::sun::star::io::IOException, 95 ::com::sun::star::uno::RuntimeException ); 96 97 virtual sal_Int32 SAL_CALL readSomeBytes( 98 ::com::sun::star::uno::Sequence< sal_Int8 > & aData, 99 sal_Int32 nMaxBytesToRead ) 100 throw( ::com::sun::star::io::NotConnectedException, 101 ::com::sun::star::io::BufferSizeExceededException, 102 ::com::sun::star::io::IOException, 103 ::com::sun::star::uno::RuntimeException ); 104 105 virtual void SAL_CALL skipBytes( sal_Int32 nBytesToSkip ) 106 throw( ::com::sun::star::io::NotConnectedException, 107 ::com::sun::star::io::BufferSizeExceededException, 108 ::com::sun::star::io::IOException, 109 ::com::sun::star::uno::RuntimeException ); 110 111 virtual sal_Int32 SAL_CALL available( void ) 112 throw( ::com::sun::star::io::NotConnectedException, 113 ::com::sun::star::io::IOException, 114 ::com::sun::star::uno::RuntimeException ); 115 116 virtual void SAL_CALL closeInput( void ) 117 throw( ::com::sun::star::io::NotConnectedException, 118 ::com::sun::star::io::IOException, 119 ::com::sun::star::uno::RuntimeException ); 120 121 // XSeekable 122 virtual void SAL_CALL seek( sal_Int64 location ) 123 throw( ::com::sun::star::lang::IllegalArgumentException, 124 ::com::sun::star::io::IOException, 125 ::com::sun::star::uno::RuntimeException ); 126 127 virtual sal_Int64 SAL_CALL getPosition() 128 throw( ::com::sun::star::io::IOException, 129 ::com::sun::star::uno::RuntimeException ); 130 131 virtual sal_Int64 SAL_CALL getLength() 132 throw( ::com::sun::star::io::IOException, 133 ::com::sun::star::uno::RuntimeException ); 134 135 // XOutputStream 136 virtual void SAL_CALL writeBytes( const com::sun::star::uno::Sequence< sal_Int8 >& aData ) 137 throw( com::sun::star::io::NotConnectedException, 138 com::sun::star::io::BufferSizeExceededException, 139 com::sun::star::io::IOException, 140 com::sun::star::uno::RuntimeException); 141 142 virtual void SAL_CALL flush( void ) 143 throw( com::sun::star::io::NotConnectedException, 144 com::sun::star::io::BufferSizeExceededException, 145 com::sun::star::io::IOException, 146 com::sun::star::uno::RuntimeException); 147 148 149 virtual void SAL_CALL closeOutput( void ) 150 throw( com::sun::star::io::NotConnectedException, 151 com::sun::star::io::IOException, 152 com::sun::star::uno::RuntimeException ); 153 154 // XTruncate 155 virtual void SAL_CALL truncate( void ) 156 throw( com::sun::star::io::IOException, 157 com::sun::star::uno::RuntimeException ); 158 }; 159 160 } // namespace gvfs 161 #endif // _GVFSSTREAM_HXX_ 162