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/implbase3.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::WeakImplHelper3<
  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&) SAL_DELETED_FUNCTION;
  55     Service& operator=(const Service&) SAL_DELETED_FUNCTION;
  56
  57     virtual ~Service() {}
  58
  59     virtual OUString SAL_CALL getImplementationName()
  60         throw (css::uno::RuntimeException, std::exception) SAL_OVERRIDE
  61     { return read_only_access::getImplementationName(); }
  62
  63     virtual sal_Bool SAL_CALL supportsService(OUString const & ServiceName)
  64         throw (css::uno::RuntimeException, std::exception) SAL_OVERRIDE
  65     { return cppu::supportsService(this, ServiceName); }
  66
  67     virtual css::uno::Sequence< OUString > SAL_CALL
  68     getSupportedServiceNames() throw (css::uno::RuntimeException, std::exception) SAL_OVERRIDE
  69     { return read_only_access::getSupportedServiceNames(); }
  70
  71     virtual void SAL_CALL initialize(
  72         css::uno::Sequence< css::uno::Any > const & aArguments)
  73         throw (css::uno::Exception, css::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  74
  75     virtual css::uno::Any SAL_CALL getByHierarchicalName(
  76         OUString const & aName)
  77         throw (
  78             css::container::NoSuchElementException, css::uno::RuntimeException, std::exception) SAL_OVERRIDE
  79     { return getRoot()->getByHierarchicalName(aName); }
  80
  81     virtual sal_Bool SAL_CALL hasByHierarchicalName(OUString const & aName)
  82         throw (css::uno::RuntimeException, std::exception) SAL_OVERRIDE
  83     { return getRoot()->hasByHierarchicalName(aName); }
  84
  85     rtl::Reference< RootAccess > getRoot();
  86
  87     css::uno::Reference< css::uno::XComponentContext > context_;
  88
  89     osl::Mutex mutex_;
  90     rtl::Reference< RootAccess > root_;
  91 };
  92
  93 void Service::initialize(css::uno::Sequence< css::uno::Any > const & aArguments)
  94     throw (css::uno::Exception, css::uno::RuntimeException, std::exception)
  95 {
  96     OUString locale;
  97     if (aArguments.getLength() != 1 || !(aArguments[0] >>= locale)) {
  98         throw css::lang::IllegalArgumentException(
  99             "not exactly one string argument",
 100             static_cast< cppu::OWeakObject * >(this), -1);
 101     }
 102     osl::MutexGuard g1(mutex_);
 103     if (root_.is()) {
 104         throw css::uno::RuntimeException(
 105             "already initialized", static_cast< cppu::OWeakObject * >(this));
 106     }
 107     osl::MutexGuard g2(*lock());
 108     Components & components = Components::getSingleton(context_);
 109     root_ = new RootAccess(components, "/", locale, false);
 110     components.addRootAccess(root_);
 111 }
 112
 113 rtl::Reference< RootAccess > Service::getRoot() {
 114     osl::MutexGuard g(mutex_);
 115     if (!root_.is()) {
 116         throw css::lang::NotInitializedException(
 117             "not initialized", static_cast< cppu::OWeakObject * >(this));
 118     }
 119     return root_;
 120 }
 121
 122 }
 123
 124 css::uno::Reference< css::uno::XInterface > create(
 125     css::uno::Reference< css::uno::XComponentContext > const & context)
 126 {
 127     return static_cast< cppu::OWeakObject * >(new Service(context));
 128 }
 129
 130 OUString getImplementationName() {
 131     return OUString("com.sun.star.comp.configuration.ReadOnlyAccess");
 132 }
 133
 134 css::uno::Sequence< OUString > getSupportedServiceNames() {
 135     OUString name("com.sun.star.configuration.ReadOnlyAccess");
 136     return css::uno::Sequence< OUString >(&name, 1);
 137 }
 138
 139 } }
 140
 141 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */