configmgr/source/readonlyaccess.cxx

   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/NoSuchElementException.hpp>
  13 #include <com/sun/star/container/XHierarchicalNameAccess.hpp>
  14 #include <com/sun/star/lang/IllegalArgumentException.hpp>
  15 #include <com/sun/star/lang/NotInitializedException.hpp>
  16 #include <com/sun/star/lang/XInitialization.hpp>
  17 #include <com/sun/star/lang/XServiceInfo.hpp>
  18 #include <com/sun/star/uno/Any.hxx>
  19 #include <com/sun/star/uno/Exception.hpp>
  20 #include <com/sun/star/uno/Reference.hxx>
  21 #include <com/sun/star/uno/RuntimeException.hpp>
  22 #include <com/sun/star/uno/Sequence.hxx>
  23 #include <com/sun/star/uno/XComponentContext.hpp>
  24 #include <com/sun/star/uno/XInterface.hpp>
  25 #include <cppuhelper/implbase.hxx>
  26 #include <cppuhelper/supportsservice.hxx>
  27 #include <cppuhelper/weak.hxx>
  28 #include <osl/mutex.hxx>
  29 #include <rtl/ref.hxx>
  30 #include <rtl/ustring.h>
  31 #include <rtl/ustring.hxx>
  32 #include <sal/types.h>
  33
  34 #include "components.hxx"
  35 #include "lock.hxx"
  36 #include "readonlyaccess.hxx"
  37 #include "rootaccess.hxx"
  38
  39 namespace configmgr { namespace read_only_access {
  40
  41 namespace {
  42
  43 class Service:
  44     public cppu::WeakImplHelper<
  45         css::lang::XServiceInfo, css::lang::XInitialization,
  46         css::container::XHierarchicalNameAccess >
  47 {
  48 public:
  49     explicit Service(
  50         css::uno::Reference< css::uno::XComponentContext > const & context):
  51         context_(context) {}
  52
  53 private:
  54     Service(const Service&) = delete;
  55     Service& operator=(const Service&) = delete;
  56
  57     virtual ~Service() override {}
  58
  59     virtual OUString SAL_CALL getImplementationName() override
  60     { return read_only_access::getImplementationName(); }
  61
  62     virtual sal_Bool SAL_CALL supportsService(OUString const & ServiceName) override
  63     { return cppu::supportsService(this, ServiceName); }
  64
  65     virtual css::uno::Sequence< OUString > SAL_CALL
  66     getSupportedServiceNames() override
  67     { return read_only_access::getSupportedServiceNames(); }
  68
  69     virtual void SAL_CALL initialize(
  70         css::uno::Sequence< css::uno::Any > const & aArguments) override;
  71
  72     virtual css::uno::Any SAL_CALL getByHierarchicalName(
  73         OUString const & aName) override
  74     { return getRoot()->getByHierarchicalName(aName); }
  75
  76     virtual sal_Bool SAL_CALL hasByHierarchicalName(OUString const & aName) override
  77     { return getRoot()->hasByHierarchicalName(aName); }
  78
  79     rtl::Reference< RootAccess > getRoot();
  80
  81     css::uno::Reference< css::uno::XComponentContext > context_;
  82
  83     osl::Mutex mutex_;
  84     rtl::Reference< RootAccess > root_;
  85 };
  86
  87 void Service::initialize(css::uno::Sequence< css::uno::Any > const & aArguments)
  88 {
  89     OUString locale;
  90     if (aArguments.getLength() != 1 || !(aArguments[0] >>= locale)) {
  91         throw css::lang::IllegalArgumentException(
  92             "not exactly one string argument",
  93             static_cast< cppu::OWeakObject * >(this), -1);
  94     }
  95     osl::MutexGuard g1(mutex_);
  96     if (root_.is()) {
  97         throw css::uno::RuntimeException(
  98             "already initialized", static_cast< cppu::OWeakObject * >(this));
  99     }
 100     osl::MutexGuard g2(*lock());
 101     Components & components = Components::getSingleton(context_);
 102     root_ = new RootAccess(components, "/", locale, false);
 103     components.addRootAccess(root_);
 104 }
 105
 106 rtl::Reference< RootAccess > Service::getRoot() {
 107     osl::MutexGuard g(mutex_);
 108     if (!root_.is()) {
 109         throw css::lang::NotInitializedException(
 110             "not initialized", static_cast< cppu::OWeakObject * >(this));
 111     }
 112     return root_;
 113 }
 114
 115 }
 116
 117 css::uno::Reference< css::uno::XInterface > create(
 118     css::uno::Reference< css::uno::XComponentContext > const & context)
 119 {
 120     return static_cast< cppu::OWeakObject * >(new Service(context));
 121 }
 122
 123 OUString getImplementationName() {
 124     return OUString("com.sun.star.comp.configuration.ReadOnlyAccess");
 125 }
 126
 127 css::uno::Sequence< OUString > getSupportedServiceNames() {
 128     return css::uno::Sequence< OUString > { "com.sun.star.configuration.ReadOnlyAccess" };
 129 }
 130
 131 } }
 132
 133 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */