LibreOffice Module configmgr (master)  1
readonlyaccess.cxx
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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 
10 #include <sal/config.h>
11 
12 #include <com/sun/star/container/XHierarchicalNameAccess.hpp>
13 #include <com/sun/star/lang/IllegalArgumentException.hpp>
14 #include <com/sun/star/lang/NotInitializedException.hpp>
15 #include <com/sun/star/lang/XInitialization.hpp>
16 #include <com/sun/star/lang/XServiceInfo.hpp>
17 #include <com/sun/star/uno/Any.hxx>
18 #include <com/sun/star/uno/Reference.hxx>
19 #include <com/sun/star/uno/RuntimeException.hpp>
20 #include <com/sun/star/uno/Sequence.hxx>
21 #include <com/sun/star/uno/XInterface.hpp>
22 #include <cppuhelper/implbase.hxx>
24 #include <cppuhelper/weak.hxx>
25 #include <osl/mutex.hxx>
26 #include <rtl/ref.hxx>
27 #include <rtl/ustring.hxx>
28 #include <utility>
29 #include <sal/types.h>
30 
31 #include "components.hxx"
32 #include "lock.hxx"
33 #include "rootaccess.hxx"
34 
36 
37 namespace {
38 
39 class Service:
40  public cppu::WeakImplHelper<
41  css::lang::XServiceInfo, css::lang::XInitialization,
42  css::container::XHierarchicalNameAccess >
43 {
44 public:
45  explicit Service(
46  css::uno::Reference< css::uno::XComponentContext > context):
47  context_(std::move(context)) {}
48 
49 private:
50  Service(const Service&) = delete;
51  Service& operator=(const Service&) = delete;
52 
53  virtual ~Service() override {}
54 
55  virtual OUString SAL_CALL getImplementationName() override
56  { return "com.sun.star.comp.configuration.ReadOnlyAccess"; }
57 
58  virtual sal_Bool SAL_CALL supportsService(OUString const & ServiceName) override
59  { return cppu::supportsService(this, ServiceName); }
60 
61  virtual css::uno::Sequence< OUString > SAL_CALL
62  getSupportedServiceNames() override
63  { return { "com.sun.star.configuration.ReadOnlyAccess" }; }
64 
65  virtual void SAL_CALL initialize(
66  css::uno::Sequence< css::uno::Any > const & aArguments) override;
67 
68  virtual css::uno::Any SAL_CALL getByHierarchicalName(
69  OUString const & aName) override
70  { return getRoot()->getByHierarchicalName(aName); }
71 
72  virtual sal_Bool SAL_CALL hasByHierarchicalName(OUString const & aName) override
73  { return getRoot()->hasByHierarchicalName(aName); }
74 
76 
77  css::uno::Reference< css::uno::XComponentContext > context_;
78 
79  osl::Mutex mutex_;
81 };
82 
83 void Service::initialize(css::uno::Sequence< css::uno::Any > const & aArguments)
84 {
85  OUString locale;
86  if (aArguments.getLength() != 1 || !(aArguments[0] >>= locale)) {
87  throw css::lang::IllegalArgumentException(
88  "not exactly one string argument",
89  static_cast< cppu::OWeakObject * >(this), -1);
90  }
91  osl::MutexGuard g1(mutex_);
92  if (root_.is()) {
93  throw css::uno::RuntimeException(
94  "already initialized", static_cast< cppu::OWeakObject * >(this));
95  }
96  osl::MutexGuard g2(*lock());
98  root_ = new RootAccess(components, "/", locale, false);
99  components.addRootAccess(root_);
100 }
101 
102 rtl::Reference< RootAccess > Service::getRoot() {
103  osl::MutexGuard g(mutex_);
104  if (!root_.is()) {
105  throw css::lang::NotInitializedException(
106  "not initialized", static_cast< cppu::OWeakObject * >(this));
107  }
108  return root_;
109 }
110 
111 }
112 }
113 
114 extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
116  css::uno::XComponentContext* context, css::uno::Sequence<css::uno::Any> const&)
117 {
118  return cppu::acquire(new configmgr::read_only_access::Service(context));
119 }
120 
121 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
css::uno::Sequence< OUString > getSupportedServiceNames()
Sequence< PropertyValue > aArguments
bool CPPUHELPER_DLLPUBLIC supportsService(css::lang::XServiceInfo *implementation, rtl::OUString const &name)
rtl::Reference< RootAccess > root_
osl::Mutex mutex_
css::uno::Reference< css::uno::XComponentContext > context_
unsigned char sal_Bool
std::vector< uno::Reference< sheet::XSpreadsheetDocument > > Components
SAL_DLLPUBLIC_EXPORT css::uno::XInterface * com_sun_star_comp_configuration_ReadOnlyAccess_get_implementation(css::uno::XComponentContext *context, css::uno::Sequence< css::uno::Any > const &)
OUString aName
std::shared_ptr< osl::Mutex > const & lock()
Definition: lock.cxx:28
static Components & getSingleton(css::uno::Reference< css::uno::XComponentContext > const &context)
Definition: components.cxx:199