configmgr/source/readwriteaccess.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/configuration/XReadWriteAccess.hpp"
  14 #include "com/sun/star/container/NoSuchElementException.hpp"
  15 #include "com/sun/star/lang/IllegalArgumentException.hpp"
  16 #include "com/sun/star/lang/NotInitializedException.hpp"
  17 #include "com/sun/star/lang/WrappedTargetException.hpp"
  18 #include "com/sun/star/lang/XInitialization.hpp"
  19 #include "com/sun/star/lang/XServiceInfo.hpp"
  20 #include "com/sun/star/uno/Any.hxx"
  21 #include "com/sun/star/uno/Exception.hpp"
  22 #include "com/sun/star/uno/Reference.hxx"
  23 #include "com/sun/star/uno/RuntimeException.hpp"
  24 #include "com/sun/star/uno/Sequence.hxx"
  25 #include "com/sun/star/uno/XComponentContext.hpp"
  26 #include "com/sun/star/uno/XInterface.hpp"
  27 #include "com/sun/star/util/ChangesSet.hpp"
  28 #include "cppuhelper/implbase3.hxx"
  29 #include "cppuhelper/weak.hxx"
  30 #include "osl/mutex.hxx"
  31 #include "rtl/ref.hxx"
  32 #include "rtl/ustring.h"
  33 #include "rtl/ustring.hxx"
  34 #include "sal/types.h"
  35
  36 #include "components.hxx"
  37 #include "lock.hxx"
  38 #include "readwriteaccess.hxx"
  39 #include "rootaccess.hxx"
  40
  41 namespace configmgr { namespace read_write_access {
  42
  43 namespace {
  44
  45 class Service:
  46     public cppu::WeakImplHelper3<
  47         css::lang::XServiceInfo, css::lang::XInitialization,
  48         css::configuration::XReadWriteAccess >,
  49     private boost::noncopyable
  50 {
  51 public:
  52     explicit Service(
  53         css::uno::Reference< css::uno::XComponentContext > const & context):
  54         context_(context) {}
  55
  56 private:
  57     virtual ~Service() {}
  58
  59     virtual OUString SAL_CALL getImplementationName()
  60         throw (css::uno::RuntimeException)
  61     { return read_write_access::getImplementationName(); }
  62
  63     virtual sal_Bool SAL_CALL supportsService(OUString const &)
  64         throw (css::uno::RuntimeException)
  65     { return false; }
  66
  67     virtual css::uno::Sequence< OUString > SAL_CALL
  68     getSupportedServiceNames() throw (css::uno::RuntimeException)
  69     { return read_write_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);
  74
  75     virtual css::uno::Any SAL_CALL getByHierarchicalName(
  76         OUString const & aName)
  77         throw (
  78             css::container::NoSuchElementException, css::uno::RuntimeException)
  79     { return getRoot()->getByHierarchicalName(aName); }
  80
  81     virtual sal_Bool SAL_CALL hasByHierarchicalName(OUString const & aName)
  82         throw (css::uno::RuntimeException)
  83     { return getRoot()->hasByHierarchicalName(aName); }
  84
  85     virtual void SAL_CALL replaceByHierarchicalName(
  86         OUString const & aName, css::uno::Any const & aElement)
  87         throw (
  88             css::lang::IllegalArgumentException,
  89             css::container::NoSuchElementException,
  90             css::lang::WrappedTargetException, css::uno::RuntimeException)
  91     { getRoot()->replaceByHierarchicalName(aName, aElement); }
  92
  93     virtual void SAL_CALL commitChanges()
  94         throw (css::lang::WrappedTargetException, css::uno::RuntimeException)
  95     { getRoot()->commitChanges(); }
  96
  97     virtual sal_Bool SAL_CALL hasPendingChanges()
  98         throw (css::uno::RuntimeException)
  99     { return getRoot()->hasPendingChanges(); }
 100
 101     virtual css::util::ChangesSet SAL_CALL getPendingChanges()
 102         throw (css::uno::RuntimeException)
 103     { return getRoot()->getPendingChanges(); }
 104
 105     rtl::Reference< RootAccess > getRoot();
 106
 107     css::uno::Reference< css::uno::XComponentContext > context_;
 108
 109     osl::Mutex mutex_;
 110     rtl::Reference< RootAccess > root_;
 111 };
 112
 113 void Service::initialize(css::uno::Sequence< css::uno::Any > const & aArguments)
 114     throw (css::uno::Exception, css::uno::RuntimeException)
 115 {
 116     OUString locale;
 117     if (aArguments.getLength() != 1 || !(aArguments[0] >>= locale)) {
 118         throw css::lang::IllegalArgumentException(
 119             "not exactly one string argument",
 120             static_cast< cppu::OWeakObject * >(this), -1);
 121     }
 122     osl::MutexGuard g1(mutex_);
 123     if (root_.is()) {
 124         throw css::uno::RuntimeException(
 125             "already initialized", static_cast< cppu::OWeakObject * >(this));
 126     }
 127     osl::MutexGuard g2(*lock());
 128     Components & components = Components::getSingleton(context_);
 129     root_ = new RootAccess(components, "/", locale, true);
 130     components.addRootAccess(root_);
 131 }
 132
 133 rtl::Reference< RootAccess > Service::getRoot() {
 134     osl::MutexGuard g(mutex_);
 135     if (!root_.is()) {
 136         throw css::lang::NotInitializedException(
 137             "not initialized", static_cast< cppu::OWeakObject * >(this));
 138     }
 139     return root_;
 140 }
 141
 142 }
 143
 144 css::uno::Reference< css::uno::XInterface > create(
 145     css::uno::Reference< css::uno::XComponentContext > const & context)
 146 {
 147     return static_cast< cppu::OWeakObject * >(new Service(context));
 148 }
 149
 150 OUString getImplementationName() {
 151     return OUString("com.sun.star.comp.configuration.ReadWriteAccess");
 152 }
 153
 154 css::uno::Sequence< OUString > getSupportedServiceNames() {
 155     OUString name("com.sun.star.configuration.ReadWriteAccess");
 156     return css::uno::Sequence< OUString >(&name, 1);
 157 }
 158
 159 } }
 160
 161 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */