unoxml/source/rdf/CLiteral.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.
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   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  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <cppuhelper/implbase.hxx>
  21 #include <cppuhelper/supportsservice.hxx>
  22 #include <com/sun/star/lang/XServiceInfo.hpp>
  23 #include <com/sun/star/lang/XInitialization.hpp>
  24 #include <com/sun/star/rdf/XLiteral.hpp>
  25 #include <com/sun/star/uno/XComponentContext.hpp>
  26
  27 #include <com/sun/star/lang/IllegalArgumentException.hpp>
  28
  29
  30 /// anonymous implementation namespace
  31 namespace {
  32
  33 class CLiteral:
  34     public ::cppu::WeakImplHelper<
  35         css::lang::XServiceInfo,
  36         css::lang::XInitialization,
  37         css::rdf::XLiteral>
  38 {
  39 public:
  40     explicit CLiteral();
  41
  42     // css::lang::XServiceInfo:
  43     virtual OUString SAL_CALL getImplementationName() override;
  44     virtual sal_Bool SAL_CALL supportsService(const OUString & ServiceName) override;
  45     virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
  46
  47     // css::lang::XInitialization:
  48     virtual void SAL_CALL initialize(const css::uno::Sequence< css::uno::Any > & aArguments) override;
  49
  50     // css::rdf::XNode:
  51     virtual OUString SAL_CALL getStringValue() override;
  52
  53     // css::rdf::XLiteral:
  54     virtual OUString SAL_CALL getValue() override;
  55     virtual OUString SAL_CALL getLanguage() override;
  56     virtual css::uno::Reference< css::rdf::XURI > SAL_CALL getDatatype() override;
  57
  58 private:
  59     CLiteral(CLiteral const&) = delete;
  60     CLiteral& operator=(CLiteral const&) = delete;
  61
  62     OUString m_Value;
  63     OUString m_Language;
  64     css::uno::Reference< css::rdf::XURI > m_xDatatype;
  65 };
  66
  67 CLiteral::CLiteral() :
  68     m_Value(), m_Language(), m_xDatatype()
  69 {}
  70
  71 // com.sun.star.uno.XServiceInfo:
  72 OUString SAL_CALL CLiteral::getImplementationName()
  73 {
  74     return "CLiteral";
  75 }
  76
  77 sal_Bool SAL_CALL CLiteral::supportsService(OUString const & serviceName)
  78 {
  79     return cppu::supportsService(this, serviceName);
  80 }
  81
  82 css::uno::Sequence< OUString > SAL_CALL CLiteral::getSupportedServiceNames()
  83 {
  84     return { "com.sun.star.rdf.Literal" };
  85 }
  86
  87 // css::lang::XInitialization:
  88 void SAL_CALL CLiteral::initialize(const css::uno::Sequence< css::uno::Any > & aArguments)
  89 {
  90     const sal_Int32 len( aArguments.getLength() );
  91     if (len < 1 || len > 2) {
  92             throw css::lang::IllegalArgumentException(
  93                 "CLiteral::initialize: must give 1 or 2 argument(s)", *this, 2);
  94     }
  95
  96     OUString arg0;
  97     if (!(aArguments[0] >>= arg0)) {
  98         throw css::lang::IllegalArgumentException(
  99             "CLiteral::initialize: argument must be string", *this, 0);
 100     }
 101     //FIXME: what is legal?
 102     if (!(true)) {
 103         throw css::lang::IllegalArgumentException(
 104             "CLiteral::initialize: argument is not valid literal value", *this, 0);
 105     }
 106     m_Value = arg0;
 107
 108     if (len <= 1)
 109         return;
 110
 111     OUString arg1;
 112     css::uno::Reference< css::rdf::XURI > xURI;
 113     if (aArguments[1] >>= arg1) {
 114         if (arg1.isEmpty()) {
 115             throw css::lang::IllegalArgumentException(
 116                 "CLiteral::initialize: argument is not valid language", *this, 1);
 117         }
 118         m_Language = arg1;
 119     } else if (aArguments[1] >>= xURI) {
 120         if (!xURI.is()) {
 121             throw css::lang::IllegalArgumentException(
 122                 "CLiteral::initialize: argument is null", *this, 1);
 123         }
 124         m_xDatatype = xURI;
 125     } else {
 126         throw css::lang::IllegalArgumentException(
 127             "CLiteral::initialize: argument must be string or URI", *this, 1);
 128     }
 129 }
 130
 131 // css::rdf::XNode:
 132 OUString SAL_CALL CLiteral::getStringValue()
 133 {
 134     if (!m_Language.isEmpty()) {
 135         return m_Value + "@" + m_Language;
 136     } else if (m_xDatatype.is()) {
 137         return m_Value + "^^" +  m_xDatatype->getStringValue();
 138     } else {
 139         return m_Value;
 140     }
 141 }
 142
 143 // css::rdf::XLiteral:
 144 OUString SAL_CALL CLiteral::getValue()
 145 {
 146     return m_Value;
 147 }
 148
 149 OUString SAL_CALL CLiteral::getLanguage()
 150 {
 151     return m_Language;
 152 }
 153
 154 css::uno::Reference< css::rdf::XURI > SAL_CALL CLiteral::getDatatype()
 155 {
 156     return m_xDatatype;
 157 }
 158
 159 } // closing anonymous implementation namespace
 160
 161 extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
 162 unoxml_CLiteral_get_implementation(
 163     css::uno::XComponentContext* , css::uno::Sequence<css::uno::Any> const&)
 164 {
 165     return cppu::acquire(new CLiteral());
 166 }
 167
 168 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */