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 __FRAMEWORK_PATTERN_STORAGES_HXX_
25 #define __FRAMEWORK_PATTERN_STORAGES_HXX_
26
27 //_______________________________________________
28 // own includes
29
30 #include <services.h>
31 #include <general.h>
32
33 //_______________________________________________
34 // interface includes
35 #include <com/sun/star/io/XOutputStream.hpp>
36 #include <com/sun/star/io/XSeekable.hpp>
37 #include <com/sun/star/embed/ElementModes.hpp>
38 #include <com/sun/star/embed/XStorage.hpp>
39 #include <com/sun/star/embed/XPackageStructureCreator.hpp>
40 #include <com/sun/star/lang/XSingleServiceFactory.hpp>
41 #include <com/sun/star/lang/XMultiServiceFactory.hpp>
42
43 //_______________________________________________
44 // other includes
45
46 //_______________________________________________
47 // namespaces
48
49 #ifndef css
50 namespace css = ::com::sun::star;
51 #endif
52
53 namespace framework{
54 namespace pattern{
55 namespace storages{
56
57 //_______________________________________________
58 // definitions
59
60 //-----------------------------------------------
createTempStorageBasedOnFolder(const::rtl::OUString & sFolder,const css::uno::Reference<css::lang::XMultiServiceFactory> & xSMGR,sal_Bool bReadOnly)61 css::uno::Reference< css::embed::XStorage > createTempStorageBasedOnFolder(const ::rtl::OUString& sFolder ,
62 const css::uno::Reference< css::lang::XMultiServiceFactory >& xSMGR ,
63 sal_Bool bReadOnly)
64 {
65 // error during opening the temp file isnt realy a runtime error -> handle it gracefully
66 css::uno::Reference< css::io::XOutputStream > xTempFile(xSMGR->createInstance(SERVICENAME_TEMPFILE), css::uno::UNO_QUERY);
67 if (!xTempFile.is())
68 return css::uno::Reference< css::embed::XStorage >();
69
70 // creation of needed resources is mandatory -> error = runtime error
71 css::uno::Reference< css::embed::XPackageStructureCreator > xPackageCreator(xSMGR->createInstance(SERVICENAME_PACKAGESTRUCTURECREATOR), css::uno::UNO_QUERY_THROW);
72 css::uno::Reference< css::lang::XSingleServiceFactory > xStorageFactory(xSMGR->createInstance(SERVICENAME_STORAGEFACTORY) , css::uno::UNO_QUERY_THROW);
73
74 // create zip package
75 xPackageCreator->convertToPackage(sFolder, xTempFile);
76
77 // seek it back - so it can be used in a defined way.
78 css::uno::Reference< css::io::XSeekable > xSeekable(xTempFile, css::uno::UNO_QUERY_THROW);
79 xSeekable->seek(0);
80
81 // open the temp. zip package - using the right open mode
82 sal_Int32 nOpenMode = css::embed::ElementModes::ELEMENT_READWRITE;
83 if (bReadOnly)
84 nOpenMode = css::embed::ElementModes::ELEMENT_READ;
85
86 css::uno::Sequence< css::uno::Any > lArgs(2);
87 lArgs[0] <<= xTempFile;
88 lArgs[1] <<= nOpenMode;
89
90 css::uno::Reference< css::embed::XStorage > xStorage(xStorageFactory->createInstanceWithArguments(lArgs), css::uno::UNO_QUERY_THROW);
91 return xStorage;
92 }
93
94 } // namespace storages
95 } // namespace pattern
96 } // namespace framework
97
98 #endif // __FRAMEWORK_PATTERN_STORAGES_HXX_
99