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 INCLUDED_CURLINPUTSTREAM_HXX
24 #define INCLUDED_CURLINPUTSTREAM_HXX
25 
26 #include <sal/types.h>
27 #include <rtl/ustring.hxx>
28 #include <cppuhelper/weak.hxx>
29 #include <com/sun/star/io/XInputStream.hpp>
30 #include <com/sun/star/io/XSeekable.hpp>
31 
32 
33 namespace http_dav_ucp
34 {
35 
36 // -------------------------------------------------------------------
37 // CurlInputStream
38 // A simple XInputStream implementation provided specifically for use
39 // by the DAVSession::GET method.
40 // -------------------------------------------------------------------
41 class CurlInputStream : public ::com::sun::star::io::XInputStream,
42 						public ::com::sun::star::io::XSeekable,
43 						public ::cppu::OWeakObject
44 {
45 	private:
46 		com::sun::star::uno::Sequence< sal_Int8 > mInputBuffer;
47 		sal_Int64 mLen;
48 		sal_Int64 mPos;
49         sal_Int64 mCapacity;
50 
51 	public:
52 				 CurlInputStream( void );
53 		virtual ~CurlInputStream();
54 
55 		// Add some data to the end of the stream
56 		void AddToStream( const char * inBuf, sal_Int32 inLen );
57 
58 	// XInterface
59 	virtual com::sun::star::uno::Any SAL_CALL queryInterface(
60 										const ::com::sun::star::uno::Type & type )
61 							throw( ::com::sun::star::uno::RuntimeException );
62 
acquire(void)63 	virtual void SAL_CALL acquire( void )
64 							throw ()
65 								{ OWeakObject::acquire(); }
66 
release(void)67 	virtual void SAL_CALL release( void )
68 							throw()
69 								{ OWeakObject::release(); }
70 
71 
72 	// XInputStream
73 	virtual sal_Int32 SAL_CALL readBytes(
74 	  		::com::sun::star::uno::Sequence< sal_Int8 > & aData,
75 			sal_Int32 nBytesToRead )
76 				throw( ::com::sun::star::io::NotConnectedException,
77 			   		   ::com::sun::star::io::BufferSizeExceededException,
78 			   		   ::com::sun::star::io::IOException,
79 			   		   ::com::sun::star::uno::RuntimeException );
80 
81 	virtual sal_Int32 SAL_CALL readSomeBytes(
82     		::com::sun::star::uno::Sequence< sal_Int8 > & aData,
83 			sal_Int32 nMaxBytesToRead )
84         		throw( ::com::sun::star::io::NotConnectedException,
85                		   ::com::sun::star::io::BufferSizeExceededException,
86                		   ::com::sun::star::io::IOException,
87                		   ::com::sun::star::uno::RuntimeException );
88 
89 	virtual void SAL_CALL skipBytes( sal_Int32 nBytesToSkip )
90         		throw( ::com::sun::star::io::NotConnectedException,
91                		   ::com::sun::star::io::BufferSizeExceededException,
92                		   ::com::sun::star::io::IOException,
93                		   ::com::sun::star::uno::RuntimeException );
94 
95 	virtual sal_Int32 SAL_CALL available( void )
96         		throw( ::com::sun::star::io::NotConnectedException,
97                		   ::com::sun::star::io::IOException,
98                		   ::com::sun::star::uno::RuntimeException );
99 
100 	virtual void SAL_CALL closeInput( void )
101         		throw( ::com::sun::star::io::NotConnectedException,
102                		   ::com::sun::star::io::IOException,
103                		   ::com::sun::star::uno::RuntimeException );
104 
105 	// XSeekable
106 	virtual void SAL_CALL seek(	sal_Int64 location )
107 		throw( ::com::sun::star::lang::IllegalArgumentException,
108 			   ::com::sun::star::io::IOException,
109 			   ::com::sun::star::uno::RuntimeException );
110 
111 	virtual sal_Int64 SAL_CALL getPosition()
112 		throw( ::com::sun::star::io::IOException,
113 			   ::com::sun::star::uno::RuntimeException );
114 
115 	virtual sal_Int64 SAL_CALL getLength()
116 		throw( ::com::sun::star::io::IOException,
117 			   ::com::sun::star::uno::RuntimeException );
118 };
119 
120 } // namespace http_dav_ucp
121 
122 #endif // INCLUDED_CURLINPUTSTREAM_HXX
123