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.
   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  * 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 "CNodes.hxx"
  21
  22 #include <cppuhelper/implbase3.hxx>
  23 #include <com/sun/star/lang/XServiceInfo.hpp>
  24 #include <com/sun/star/lang/XInitialization.hpp>
  25 #include <com/sun/star/rdf/XLiteral.hpp>
  26
  27 #include <com/sun/star/lang/IllegalArgumentException.hpp>
  28
  29 #include <rtl/ustrbuf.hxx>
  30
  31
  32 /// anonymous implementation namespace
  33 namespace {
  34
  35 class CLiteral:
  36     public ::cppu::WeakImplHelper3<
  37         css::lang::XServiceInfo,
  38         css::lang::XInitialization,
  39         css::rdf::XLiteral>
  40 {
  41 public:
  42     explicit CLiteral(css::uno::Reference< css::uno::XComponentContext > const & context);
  43     virtual ~CLiteral() {}
  44
  45     // ::com::sun::star::lang::XServiceInfo:
  46     virtual ::rtl::OUString SAL_CALL getImplementationName() throw (css::uno::RuntimeException);
  47     virtual ::sal_Bool SAL_CALL supportsService(const ::rtl::OUString & ServiceName) throw (css::uno::RuntimeException);
  48     virtual css::uno::Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames() throw (css::uno::RuntimeException);
  49
  50     // ::com::sun::star::lang::XInitialization:
  51     virtual void SAL_CALL initialize(const css::uno::Sequence< ::com::sun::star::uno::Any > & aArguments) throw (css::uno::RuntimeException, css::uno::Exception);
  52
  53     // ::com::sun::star::rdf::XNode:
  54     virtual ::rtl::OUString SAL_CALL getStringValue() throw (css::uno::RuntimeException);
  55
  56     // ::com::sun::star::rdf::XLiteral:
  57     virtual ::rtl::OUString SAL_CALL getValue() throw (css::uno::RuntimeException);
  58     virtual ::rtl::OUString SAL_CALL getLanguage() throw (css::uno::RuntimeException);
  59     virtual css::uno::Reference< css::rdf::XURI > SAL_CALL getDatatype() throw (css::uno::RuntimeException);
  60
  61 private:
  62     CLiteral(const CLiteral &); // not defined
  63     CLiteral& operator=(const CLiteral &); // not defined
  64
  65     css::uno::Reference< css::uno::XComponentContext > m_xContext;
  66
  67     ::rtl::OUString m_Value;
  68     ::rtl::OUString m_Language;
  69     css::uno::Reference< css::rdf::XURI > m_xDatatype;
  70 };
  71
  72 CLiteral::CLiteral(css::uno::Reference< css::uno::XComponentContext > const & context) :
  73     m_xContext(context), m_Value(), m_Language(), m_xDatatype()
  74 {}
  75
  76 // com.sun.star.uno.XServiceInfo:
  77 ::rtl::OUString SAL_CALL CLiteral::getImplementationName() throw (css::uno::RuntimeException)
  78 {
  79     return comp_CLiteral::_getImplementationName();
  80 }
  81
  82 ::sal_Bool SAL_CALL CLiteral::supportsService(::rtl::OUString const & serviceName) throw (css::uno::RuntimeException)
  83 {
  84     css::uno::Sequence< ::rtl::OUString > serviceNames = comp_CLiteral::_getSupportedServiceNames();
  85     for (::sal_Int32 i = 0; i < serviceNames.getLength(); ++i) {
  86         if (serviceNames[i] == serviceName)
  87             return sal_True;
  88     }
  89     return sal_False;
  90 }
  91
  92 css::uno::Sequence< ::rtl::OUString > SAL_CALL CLiteral::getSupportedServiceNames() throw (css::uno::RuntimeException)
  93 {
  94     return comp_CLiteral::_getSupportedServiceNames();
  95 }
  96
  97 // ::com::sun::star::lang::XInitialization:
  98 void SAL_CALL CLiteral::initialize(const css::uno::Sequence< ::com::sun::star::uno::Any > & aArguments) throw (css::uno::RuntimeException, css::uno::Exception)
  99 {
 100     const sal_Int32 len( aArguments.getLength() );
 101     if (len < 1 || len > 2) {
 102             throw css::lang::IllegalArgumentException(
 103                 ::rtl::OUString("CLiteral::initialize: "
 104                     "must give 1 or 2 argument(s)"), *this, 2);
 105     }
 106
 107     ::rtl::OUString arg0;
 108     if (!(aArguments[0] >>= arg0)) {
 109         throw css::lang::IllegalArgumentException(
 110             ::rtl::OUString("CLiteral::initialize: "
 111                 "argument must be string"), *this, 0);
 112     }
 113     //FIXME: what is legal?
 114     if (true) {
 115         m_Value = arg0;
 116     } else {
 117         throw css::lang::IllegalArgumentException(
 118             ::rtl::OUString("CLiteral::initialize: "
 119                 "argument is not valid literal value"), *this, 0);
 120     }
 121
 122     if (len > 1) {
 123         ::rtl::OUString arg1;
 124         css::uno::Reference< css::rdf::XURI > xURI;
 125         if ((aArguments[1] >>= arg1)) {
 126             if (!arg1.isEmpty()) {
 127                 m_Language = arg1;
 128             } else {
 129                 throw css::lang::IllegalArgumentException(
 130                     ::rtl::OUString("CLiteral::initialize: "
 131                         "argument is not valid language"), *this, 1);
 132             }
 133         } else if ((aArguments[1] >>= xURI)) {
 134             if (xURI.is()) {
 135                 m_xDatatype = xURI;
 136             } else {
 137                 throw css::lang::IllegalArgumentException(
 138                     ::rtl::OUString("CLiteral::initialize: "
 139                         "argument is null"), *this, 1);
 140             }
 141         } else {
 142             throw css::lang::IllegalArgumentException(
 143                 ::rtl::OUString("CLiteral::initialize: "
 144                     "argument must be string or URI"), *this, 1);
 145         }
 146     }
 147 }
 148
 149 // ::com::sun::star::rdf::XNode:
 150 ::rtl::OUString SAL_CALL CLiteral::getStringValue() throw (css::uno::RuntimeException)
 151 {
 152     if (!m_Language.isEmpty()) {
 153         ::rtl::OUStringBuffer buf(m_Value);
 154         buf.appendAscii("@");
 155         buf.append(m_Language);
 156         return buf.makeStringAndClear();
 157     } else if (m_xDatatype.is()) {
 158         ::rtl::OUStringBuffer buf(m_Value);
 159         buf.appendAscii("^^");
 160         buf.append(m_xDatatype->getStringValue());
 161         return buf.makeStringAndClear();
 162     } else {
 163         return m_Value;
 164     }
 165 }
 166
 167 // ::com::sun::star::rdf::XLiteral:
 168 ::rtl::OUString SAL_CALL CLiteral::getValue() throw (css::uno::RuntimeException)
 169 {
 170     return m_Value;
 171 }
 172
 173 ::rtl::OUString SAL_CALL CLiteral::getLanguage() throw (css::uno::RuntimeException)
 174 {
 175     return m_Language;
 176 }
 177
 178 css::uno::Reference< css::rdf::XURI > SAL_CALL CLiteral::getDatatype() throw (css::uno::RuntimeException)
 179 {
 180     return m_xDatatype;
 181 }
 182
 183 } // closing anonymous implementation namespace
 184
 185
 186
 187 // component helper namespace
 188 namespace comp_CLiteral {
 189
 190 ::rtl::OUString SAL_CALL _getImplementationName() {
 191     return ::rtl::OUString( "CLiteral");
 192 }
 193
 194 css::uno::Sequence< ::rtl::OUString > SAL_CALL _getSupportedServiceNames()
 195 {
 196     css::uno::Sequence< ::rtl::OUString > s(1);
 197     s[0] = ::rtl::OUString( "com.sun.star.rdf.Literal");
 198     return s;
 199 }
 200
 201 css::uno::Reference< css::uno::XInterface > SAL_CALL _create(
 202     const css::uno::Reference< css::uno::XComponentContext > & context)
 203         SAL_THROW((css::uno::Exception))
 204 {
 205     return static_cast< ::cppu::OWeakObject * >(new CLiteral(context));
 206 }
 207
 208 } // closing component helper namespace
 209
 210 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */