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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #include <cppuhelper/implementationentry.hxx>
21 : #include <WriterFilterDetection.hxx>
22 : #include <comphelper/storagehelper.hxx>
23 : #include <com/sun/star/io/XInputStream.hpp>
24 : #include <sot/storage.hxx>
25 : #include <unotools/ucbstreamhelper.hxx>
26 :
27 : using namespace ::rtl;
28 : using namespace ::cppu;
29 : using namespace ::com::sun::star;
30 :
31 :
32 :
33 0 : WriterFilterDetection::WriterFilterDetection(
34 : const uno::Reference< uno::XComponentContext >& rxContext) :
35 0 : m_xContext( rxContext )
36 : {
37 0 : }
38 :
39 :
40 0 : WriterFilterDetection::~WriterFilterDetection()
41 : {
42 0 : }
43 :
44 :
45 5 : OUString WriterFilterDetection_getImplementationName () throw (uno::RuntimeException)
46 : {
47 5 : return OUString ( "com.sun.star.comp.Writer.WriterFilterDetector" );
48 : }
49 :
50 : #define SERVICE_NAME1 "com.sun.star.document.ExtendedTypeDetection"
51 :
52 :
53 0 : OUString WriterFilterDetection::detect( uno::Sequence< beans::PropertyValue >& rDescriptor )
54 : throw( uno::RuntimeException )
55 : {
56 0 : OUString sTypeName;
57 0 : bool bWord = false;
58 0 : sal_Int32 nPropertyCount = rDescriptor.getLength();
59 0 : const beans::PropertyValue* pValues = rDescriptor.getConstArray();
60 0 : OUString sURL;
61 0 : uno::Reference < io::XStream > xStream;
62 0 : uno::Reference < io::XInputStream > xInputStream;
63 0 : for( sal_Int32 nProperty = 0; nProperty < nPropertyCount; ++nProperty )
64 : {
65 0 : if ( pValues[nProperty].Name == "TypeName" )
66 0 : rDescriptor[nProperty].Value >>= sTypeName;
67 0 : else if ( pValues[nProperty].Name == "URL" )
68 0 : pValues[nProperty].Value >>= sURL;
69 0 : else if ( pValues[nProperty].Name == "Stream" )
70 0 : pValues[nProperty].Value >>= xStream;
71 0 : else if ( pValues[nProperty].Name == "InputStream" )
72 0 : pValues[nProperty].Value >>= xInputStream;
73 : }
74 0 : bool bBinary = sTypeName == "writer_MS_Word_97" ||
75 0 : sTypeName == "writer_MS_Word_97_Vorlage";
76 :
77 : try
78 : {
79 0 : if(bBinary)
80 : {
81 0 : SvStream* pStream = ::utl::UcbStreamHelper::CreateStream( xInputStream );
82 0 : if ( pStream && SotStorage::IsStorageFile(pStream) )
83 :
84 : {
85 0 : SotStorageRef xStg = new SotStorage( pStream, sal_False );
86 :
87 0 : bool bTable2 = xStg->IsContained(OUString("1Table"));
88 0 : SotStorageStreamRef xRef = xStg->OpenSotStream(OUString("WordDocument"), STREAM_STD_READ | STREAM_NOCREATE );
89 :
90 0 : if(bTable2 && xStg.Is())
91 : {
92 0 : xRef->Seek(2);
93 : sal_Int16 nWord;
94 0 : *xRef >> nWord;
95 : //version detection
96 0 : bWord = nWord >= 0x6a && nWord <= 0xc1;
97 0 : }
98 : }
99 : }
100 : else
101 : {
102 0 : uno::Reference< embed::XStorage > xDocStorage;
103 0 : if ( sURL == "private:stream" )
104 0 : xDocStorage = comphelper::OStorageHelper::GetStorageFromInputStream( xInputStream );
105 : else
106 : xDocStorage = comphelper::OStorageHelper::GetStorageFromURL(
107 0 : sURL, embed::ElementModes::READ );
108 0 : if( xDocStorage.is() )
109 : {
110 0 : uno::Sequence< OUString > aNames = xDocStorage->getElementNames();
111 0 : const OUString* pNames = aNames.getConstArray();
112 0 : for(sal_Int32 nName = 0; nName < aNames.getLength(); ++nName)
113 : {
114 0 : if ( pNames[nName] == "word" )
115 : {
116 0 : bWord = true;
117 0 : if( sTypeName.isEmpty() )
118 0 : sTypeName = "writer_MS_Word_2007";
119 0 : break;
120 : }
121 0 : }
122 0 : }
123 : }
124 : }
125 0 : catch(const uno::Exception&)
126 : {
127 : OSL_FAIL("exception while opening storage");
128 : }
129 0 : if( !bWord )
130 0 : sTypeName = OUString();
131 0 : return sTypeName;
132 : }
133 :
134 :
135 0 : sal_Bool WriterFilterDetection_supportsService( const OUString& ServiceName ) throw (uno::RuntimeException)
136 : {
137 0 : return ServiceName == SERVICE_NAME1;
138 : }
139 :
140 :
141 0 : uno::Sequence< OUString > WriterFilterDetection_getSupportedServiceNames( ) throw (uno::RuntimeException)
142 : {
143 0 : uno::Sequence < OUString > aRet(1);
144 0 : OUString* pArray = aRet.getArray();
145 0 : pArray[0] = OUString ( SERVICE_NAME1 );
146 0 : return aRet;
147 : }
148 : #undef SERVICE_NAME1
149 :
150 :
151 0 : uno::Reference< uno::XInterface > WriterFilterDetection_createInstance( const uno::Reference< uno::XComponentContext >& xContext)
152 : throw( uno::Exception )
153 : {
154 0 : return (cppu::OWeakObject*) new WriterFilterDetection( xContext );
155 : }
156 :
157 :
158 0 : OUString WriterFilterDetection::getImplementationName( ) throw (uno::RuntimeException)
159 : {
160 0 : return WriterFilterDetection_getImplementationName();
161 : }
162 :
163 :
164 0 : sal_Bool WriterFilterDetection::supportsService( const OUString& rServiceName ) throw (uno::RuntimeException)
165 : {
166 0 : return WriterFilterDetection_supportsService( rServiceName );
167 : }
168 :
169 :
170 0 : uno::Sequence< OUString > WriterFilterDetection::getSupportedServiceNames( ) throw (uno::RuntimeException)
171 : {
172 0 : return WriterFilterDetection_getSupportedServiceNames();
173 : }
174 :
175 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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