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 "boost/noncopyable.hpp"
  13 #include "com/sun/star/container/NoSuchElementException.hpp"
  14 #include "com/sun/star/container/XHierarchicalNameAccess.hpp"
  15 #include "com/sun/star/lang/IllegalArgumentException.hpp"
  16 #include "com/sun/star/lang/NotInitializedException.hpp"
  17 #include "com/sun/star/lang/XInitialization.hpp"
  18 #include "com/sun/star/lang/XServiceInfo.hpp"
  19 #include "com/sun/star/uno/Any.hxx"
  20 #include "com/sun/star/uno/Exception.hpp"
  21 #include "com/sun/star/uno/Reference.hxx"
  22 #include "com/sun/star/uno/RuntimeException.hpp"
  23 #include "com/sun/star/uno/Sequence.hxx"
  24 #include "com/sun/star/uno/XComponentContext.hpp"
  25 #include "com/sun/star/uno/XInterface.hpp"
  26 #include "cppuhelper/implbase3.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     private boost::noncopyable
  48 {
  49 public:
  50     explicit Service(
  51         css::uno::Reference< css::uno::XComponentContext > const & context):
  52         context_(context) {}
  53
  54 private:
  55     virtual ~Service() {}
  56
  57     virtual OUString SAL_CALL getImplementationName()
  58         throw (css::uno::RuntimeException)
  59     { return read_only_access::getImplementationName(); }
  60
  61     virtual sal_Bool SAL_CALL supportsService(OUString const &)
  62         throw (css::uno::RuntimeException)
  63     { return false; }
  64
  65     virtual css::uno::Sequence< OUString > SAL_CALL
  66     getSupportedServiceNames() throw (css::uno::RuntimeException)
  67     { return read_only_access::getSupportedServiceNames(); }
  68
  69     virtual void SAL_CALL initialize(
  70         css::uno::Sequence< css::uno::Any > const & aArguments)
  71         throw (css::uno::Exception, css::uno::RuntimeException);
  72
  73     virtual css::uno::Any SAL_CALL getByHierarchicalName(
  74         OUString const & aName)
  75         throw (
  76             css::container::NoSuchElementException, css::uno::RuntimeException)
  77     { return getRoot()->getByHierarchicalName(aName); }
  78
  79     virtual sal_Bool SAL_CALL hasByHierarchicalName(OUString const & aName)
  80         throw (css::uno::RuntimeException)
  81     { return getRoot()->hasByHierarchicalName(aName); }
  82
  83     rtl::Reference< RootAccess > getRoot();
  84
  85     css::uno::Reference< css::uno::XComponentContext > context_;
  86
  87     osl::Mutex mutex_;
  88     rtl::Reference< RootAccess > root_;
  89 };
  90
  91 void Service::initialize(css::uno::Sequence< css::uno::Any > const & aArguments)
  92     throw (css::uno::Exception, css::uno::RuntimeException)
  93 {
  94     OUString locale;
  95     if (aArguments.getLength() != 1 || !(aArguments[0] >>= locale)) {
  96         throw css::lang::IllegalArgumentException(
  97             "not exactly one string argument",
  98             static_cast< cppu::OWeakObject * >(this), -1);
  99     }
 100     osl::MutexGuard g1(mutex_);
 101     if (root_.is()) {
 102         throw css::uno::RuntimeException(
 103             "already initialized", static_cast< cppu::OWeakObject * >(this));
 104     }
 105     osl::MutexGuard g2(*lock());
 106     Components & components = Components::getSingleton(context_);
 107     root_ = new RootAccess(components, "/", locale, false);
 108     components.addRootAccess(root_);
 109 }
 110
 111 rtl::Reference< RootAccess > Service::getRoot() {
 112     osl::MutexGuard g(mutex_);
 113     if (!root_.is()) {
 114         throw css::lang::NotInitializedException(
 115             "not initialized", static_cast< cppu::OWeakObject * >(this));
 116     }
 117     return root_;
 118 }
 119
 120 }
 121
 122 css::uno::Reference< css::uno::XInterface > create(
 123     css::uno::Reference< css::uno::XComponentContext > const & context)
 124 {
 125     return static_cast< cppu::OWeakObject * >(new Service(context));
 126 }
 127
 128 OUString getImplementationName() {
 129     return OUString("com.sun.star.comp.configuration.ReadOnlyAccess");
 130 }
 131
 132 css::uno::Sequence< OUString > getSupportedServiceNames() {
 133     return css::uno::Sequence< OUString >();
 134 }
 135
 136 } }
 137
 138 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */