LibreOffice Module ucbhelper (master)  1
registerucb.cxx
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19 
21 #include <com/sun/star/lang/IllegalArgumentException.hpp>
22 #include <com/sun/star/ucb/DuplicateProviderException.hpp>
23 #include <com/sun/star/ucb/XContentProviderManager.hpp>
24 #include <com/sun/star/ucb/XParameterizedContentProvider.hpp>
25 #include <com/sun/star/ucb/ContentProviderProxyFactory.hpp>
26 #include <com/sun/star/ucb/XContentProviderFactory.hpp>
27 #include <com/sun/star/uno/XComponentContext.hpp>
28 #include <com/sun/star/uno/RuntimeException.hpp>
29 
30 #include <osl/diagnose.h>
31 
32 using namespace com::sun::star;
33 
34 namespace ucbhelper {
35 
36 
37 // registerAtUcb
38 
39 
40 bool
42  uno::Reference< ucb::XContentProviderManager > const & rManager,
43  uno::Reference< uno::XComponentContext > const & rxContext,
44  OUString const & rName,
45  OUString const & rArguments,
46  OUString const & rTemplate)
47 {
48  OSL_ENSURE(rxContext.is(),
49  "ucb::registerAtUcb(): No service factory");
50 
51  bool bNoProxy = rArguments.startsWith("{noproxy}");
52  OUString
53  aProviderArguments(bNoProxy ?
54  rArguments.
55  copy(RTL_CONSTASCII_LENGTH("{noproxy}")) :
56  rArguments);
57 
58  uno::Reference< ucb::XContentProvider > xProvider;
59 
60  if (!rName.isEmpty())
61  {
62  // First, try to instantiate proxy for provider:
63  if (!bNoProxy)
64  {
65  uno::Reference< ucb::XContentProviderFactory > xProxyFactory;
66  try
67  {
68  xProxyFactory = ucb::ContentProviderProxyFactory::create( rxContext );
69  }
70  catch (uno::Exception const &) {}
71  OSL_ENSURE(xProxyFactory.is(), "No ContentProviderProxyFactory");
72  if (xProxyFactory.is())
73  xProvider = xProxyFactory->createContentProvider(rName);
74  }
75 
76  // Then, try to instantiate provider directly:
77  if (!xProvider.is())
78  try
79  {
80  xProvider.set(
81  rxContext->getServiceManager()->createInstanceWithContext(rName, rxContext),
82  uno::UNO_QUERY);
83  }
84  catch (uno::RuntimeException const &) { throw; }
85  catch (uno::Exception const &) {}
86  }
87 
88  uno::Reference< ucb::XParameterizedContentProvider >
89  xParameterized(xProvider, uno::UNO_QUERY);
90  if (xParameterized.is())
91  {
92  uno::Reference< ucb::XContentProvider > xInstance;
93  try
94  {
95  xInstance = xParameterized->registerInstance(rTemplate,
96  aProviderArguments,
97  true);
98  //@@@ if this call replaces an old instance, the commit-or-
99  // rollback code below will not work
100  }
101  catch (lang::IllegalArgumentException const &) {}
102 
103  if (xInstance.is())
104  xProvider = xInstance;
105  }
106 
107  bool bSuccess = false;
108  if (rManager.is() && (rName.isEmpty() || xProvider.is()))
109  {
110  try
111  {
112  rManager->registerContentProvider(xProvider, rTemplate, true);
113  bSuccess = true;
114  }
115  catch (ucb::DuplicateProviderException const &)
116  {
117  if (xParameterized.is())
118  try
119  {
120  xParameterized->deregisterInstance(rTemplate,
121  aProviderArguments);
122  }
123  catch (lang::IllegalArgumentException const &) {}
124  }
125  catch (...)
126  {
127  if (xParameterized.is())
128  try
129  {
130  xParameterized->deregisterInstance(rTemplate,
131  aProviderArguments);
132  }
133  catch (lang::IllegalArgumentException const &) {}
134  catch (uno::RuntimeException const &) {}
135  throw;
136  }
137  }
138  return bSuccess;
139 }
140 
141 }
142 
143 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
void copy(const fs::path &src, const fs::path &dest)
bool registerAtUcb(uno::Reference< ucb::XContentProviderManager > const &rManager, uno::Reference< uno::XComponentContext > const &rxContext, OUString const &rName, OUString const &rArguments, OUString const &rTemplate)
Definition: registerucb.cxx:41