configmgr/source/readonlyaccess.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * Version: MPL 1.1 / GPLv3+ / LGPLv3+
   4  *
   5  * The contents of this file are subject to the Mozilla Public License Version
   6  * 1.1 (the "License"); you may not use this file except in compliance with
   7  * the License or as specified alternatively below. You may obtain a copy of
   8  * the License at http://www.mozilla.org/MPL/
   9  *
  10  * Software distributed under the License is distributed on an "AS IS" basis,
  11  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  12  * for the specific language governing rights and limitations under the
  13  * License.
  14  *
  15  * Major Contributor(s):
  16  * Copyright (C) 2011 Red Hat, Inc., Stephan Bergmann <sbergman@redhat.com>
  17  * (initial developer)
  18  *
  19  * All Rights Reserved.
  20  *
  21  * For minor contributions see the git repository.
  22  *
  23  * Alternatively, the contents of this file may be used under the terms of
  24  * either the GNU General Public License Version 3 or later (the "GPLv3+"), or
  25  * the GNU Lesser General Public License Version 3 or later (the "LGPLv3+"),
  26  * in which case the provisions of the GPLv3+ or the LGPLv3+ are applicable
  27  * instead of those above.
  28  */
  29
  30 #include "sal/config.h"
  31
  32 #include "boost/noncopyable.hpp"
  33 #include "com/sun/star/container/NoSuchElementException.hpp"
  34 #include "com/sun/star/container/XHierarchicalNameAccess.hpp"
  35 #include "com/sun/star/lang/IllegalArgumentException.hpp"
  36 #include "com/sun/star/lang/NotInitializedException.hpp"
  37 #include "com/sun/star/lang/XInitialization.hpp"
  38 #include "com/sun/star/lang/XServiceInfo.hpp"
  39 #include "com/sun/star/uno/Any.hxx"
  40 #include "com/sun/star/uno/Exception.hpp"
  41 #include "com/sun/star/uno/Reference.hxx"
  42 #include "com/sun/star/uno/RuntimeException.hpp"
  43 #include "com/sun/star/uno/Sequence.hxx"
  44 #include "com/sun/star/uno/XComponentContext.hpp"
  45 #include "com/sun/star/uno/XInterface.hpp"
  46 #include "cppuhelper/implbase3.hxx"
  47 #include "cppuhelper/weak.hxx"
  48 #include "osl/mutex.hxx"
  49 #include "rtl/ref.hxx"
  50 #include "rtl/ustring.h"
  51 #include "rtl/ustring.hxx"
  52 #include "sal/types.h"
  53
  54 #include "components.hxx"
  55 #include "lock.hxx"
  56 #include "readonlyaccess.hxx"
  57 #include "rootaccess.hxx"
  58
  59 namespace configmgr { namespace read_only_access {
  60
  61 namespace {
  62
  63 class Service:
  64     public cppu::WeakImplHelper3<
  65         css::lang::XServiceInfo, css::lang::XInitialization,
  66         css::container::XHierarchicalNameAccess >,
  67     private boost::noncopyable
  68 {
  69 public:
  70     explicit Service(
  71         css::uno::Reference< css::uno::XComponentContext > const & context):
  72         context_(context) {}
  73
  74 private:
  75     virtual ~Service() {}
  76
  77     virtual rtl::OUString SAL_CALL getImplementationName()
  78         throw (css::uno::RuntimeException)
  79     { return read_only_access::getImplementationName(); }
  80
  81     virtual sal_Bool SAL_CALL supportsService(rtl::OUString const &)
  82         throw (css::uno::RuntimeException)
  83     { return false; }
  84
  85     virtual css::uno::Sequence< rtl::OUString > SAL_CALL
  86     getSupportedServiceNames() throw (css::uno::RuntimeException)
  87     { return read_only_access::getSupportedServiceNames(); }
  88
  89     virtual void SAL_CALL initialize(
  90         css::uno::Sequence< css::uno::Any > const & aArguments)
  91         throw (css::uno::Exception, css::uno::RuntimeException);
  92
  93     virtual css::uno::Any SAL_CALL getByHierarchicalName(
  94         rtl::OUString const & aName)
  95         throw (
  96             css::container::NoSuchElementException, css::uno::RuntimeException)
  97     { return getRoot()->getByHierarchicalName(aName); }
  98
  99     virtual sal_Bool SAL_CALL hasByHierarchicalName(rtl::OUString const & aName)
 100         throw (css::uno::RuntimeException)
 101     { return getRoot()->hasByHierarchicalName(aName); }
 102
 103     rtl::Reference< RootAccess > getRoot();
 104
 105     css::uno::Reference< css::uno::XComponentContext > context_;
 106
 107     osl::Mutex mutex_;
 108     rtl::Reference< RootAccess > root_;
 109 };
 110
 111 void Service::initialize(css::uno::Sequence< css::uno::Any > const & aArguments)
 112     throw (css::uno::Exception, css::uno::RuntimeException)
 113 {
 114     OUString locale;
 115     if (aArguments.getLength() != 1 || !(aArguments[0] >>= locale)) {
 116         throw css::lang::IllegalArgumentException(
 117             "not exactly one string argument",
 118             static_cast< cppu::OWeakObject * >(this), -1);
 119     }
 120     osl::MutexGuard g1(mutex_);
 121     if (root_.is()) {
 122         throw css::uno::RuntimeException(
 123             "already initialized", static_cast< cppu::OWeakObject * >(this));
 124     }
 125     osl::MutexGuard g2(*lock());
 126     Components & components = Components::getSingleton(context_);
 127     root_ = new RootAccess(components, "/", locale, false);
 128     components.addRootAccess(root_);
 129 }
 130
 131 rtl::Reference< RootAccess > Service::getRoot() {
 132     osl::MutexGuard g(mutex_);
 133     if (!root_.is()) {
 134         throw css::lang::NotInitializedException(
 135             "not initialized", static_cast< cppu::OWeakObject * >(this));
 136     }
 137     return root_;
 138 }
 139
 140 }
 141
 142 css::uno::Reference< css::uno::XInterface > create(
 143     css::uno::Reference< css::uno::XComponentContext > const & context)
 144 {
 145     return static_cast< cppu::OWeakObject * >(new Service(context));
 146 }
 147
 148 rtl::OUString getImplementationName() {
 149     return rtl::OUString(
 150         RTL_CONSTASCII_USTRINGPARAM(
 151             "com.sun.star.comp.configuration.ReadOnlyAccess"));
 152 }
 153
 154 css::uno::Sequence< rtl::OUString > getSupportedServiceNames() {
 155     return css::uno::Sequence< rtl::OUString >();
 156 }
 157
 158 } }
 159
 160 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */