unoxml/source/rdf/CLiteral.cxx

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  27
  28 #include "CNodes.hxx"
  29
  30 #include <cppuhelper/implbase3.hxx>
  31 #include <com/sun/star/lang/XServiceInfo.hpp>
  32 #include <com/sun/star/lang/XInitialization.hpp>
  33 #include <com/sun/star/rdf/XLiteral.hpp>
  34
  35 #include <com/sun/star/lang/IllegalArgumentException.hpp>
  36
  37 #include <rtl/ustrbuf.hxx>
  38
  39
  40 /// anonymous implementation namespace
  41 namespace {
  42
  43 namespace css = ::com::sun::star;
  44
  45 class CLiteral:
  46     public ::cppu::WeakImplHelper3<
  47         css::lang::XServiceInfo,
  48         css::lang::XInitialization,
  49         css::rdf::XLiteral>
  50 {
  51 public:
  52     explicit CLiteral(css::uno::Reference< css::uno::XComponentContext > const & context);
  53     virtual ~CLiteral() {}
  54
  55     // ::com::sun::star::lang::XServiceInfo:
  56     virtual ::rtl::OUString SAL_CALL getImplementationName() throw (css::uno::RuntimeException);
  57     virtual ::sal_Bool SAL_CALL supportsService(const ::rtl::OUString & ServiceName) throw (css::uno::RuntimeException);
  58     virtual css::uno::Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames() throw (css::uno::RuntimeException);
  59
  60     // ::com::sun::star::lang::XInitialization:
  61     virtual void SAL_CALL initialize(const css::uno::Sequence< ::com::sun::star::uno::Any > & aArguments) throw (css::uno::RuntimeException, css::uno::Exception);
  62
  63     // ::com::sun::star::rdf::XNode:
  64     virtual ::rtl::OUString SAL_CALL getStringValue() throw (css::uno::RuntimeException);
  65
  66     // ::com::sun::star::rdf::XLiteral:
  67     virtual ::rtl::OUString SAL_CALL getValue() throw (css::uno::RuntimeException);
  68     virtual ::rtl::OUString SAL_CALL getLanguage() throw (css::uno::RuntimeException);
  69     virtual css::uno::Reference< css::rdf::XURI > SAL_CALL getDatatype() throw (css::uno::RuntimeException);
  70
  71 private:
  72     CLiteral(const CLiteral &); // not defined
  73     CLiteral& operator=(const CLiteral &); // not defined
  74
  75     css::uno::Reference< css::uno::XComponentContext > m_xContext;
  76
  77     ::rtl::OUString m_Value;
  78     ::rtl::OUString m_Language;
  79     css::uno::Reference< css::rdf::XURI > m_xDatatype;
  80 };
  81
  82 CLiteral::CLiteral(css::uno::Reference< css::uno::XComponentContext > const & context) :
  83     m_xContext(context), m_Value(), m_Language(), m_xDatatype()
  84 {}
  85
  86 // com.sun.star.uno.XServiceInfo:
  87 ::rtl::OUString SAL_CALL CLiteral::getImplementationName() throw (css::uno::RuntimeException)
  88 {
  89     return comp_CLiteral::_getImplementationName();
  90 }
  91
  92 ::sal_Bool SAL_CALL CLiteral::supportsService(::rtl::OUString const & serviceName) throw (css::uno::RuntimeException)
  93 {
  94     css::uno::Sequence< ::rtl::OUString > serviceNames = comp_CLiteral::_getSupportedServiceNames();
  95     for (::sal_Int32 i = 0; i < serviceNames.getLength(); ++i) {
  96         if (serviceNames[i] == serviceName)
  97             return sal_True;
  98     }
  99     return sal_False;
 100 }
 101
 102 css::uno::Sequence< ::rtl::OUString > SAL_CALL CLiteral::getSupportedServiceNames() throw (css::uno::RuntimeException)
 103 {
 104     return comp_CLiteral::_getSupportedServiceNames();
 105 }
 106
 107 // ::com::sun::star::lang::XInitialization:
 108 void SAL_CALL CLiteral::initialize(const css::uno::Sequence< ::com::sun::star::uno::Any > & aArguments) throw (css::uno::RuntimeException, css::uno::Exception)
 109 {
 110     const sal_Int32 len( aArguments.getLength() );
 111     if (len < 1 || len > 2) {
 112             throw css::lang::IllegalArgumentException(
 113                 ::rtl::OUString::createFromAscii("CLiteral::initialize: "
 114                     "must give 1 or 2 argument(s)"), *this, 2);
 115     }
 116
 117     ::rtl::OUString arg0;
 118     if (!(aArguments[0] >>= arg0)) {
 119         throw css::lang::IllegalArgumentException(
 120             ::rtl::OUString::createFromAscii("CLiteral::initialize: "
 121                 "argument must be string"), *this, 0);
 122     }
 123     //FIXME: what is legal?
 124     if (true) {
 125         m_Value = arg0;
 126     } else {
 127         throw css::lang::IllegalArgumentException(
 128             ::rtl::OUString::createFromAscii("CLiteral::initialize: "
 129                 "argument is not valid literal value"), *this, 0);
 130     }
 131
 132     if (len > 1) {
 133         ::rtl::OUString arg1;
 134         css::uno::Reference< css::rdf::XURI > xURI;
 135         if ((aArguments[1] >>= arg1)) {
 136             if (arg1.getLength() > 0) {
 137                 m_Language = arg1;
 138             } else {
 139                 throw css::lang::IllegalArgumentException(
 140                     ::rtl::OUString::createFromAscii("CLiteral::initialize: "
 141                         "argument is not valid language"), *this, 1);
 142             }
 143         } else if ((aArguments[1] >>= xURI)) {
 144             if (xURI.is()) {
 145                 m_xDatatype = xURI;
 146             } else {
 147                 throw css::lang::IllegalArgumentException(
 148                     ::rtl::OUString::createFromAscii("CLiteral::initialize: "
 149                         "argument is null"), *this, 1);
 150             }
 151         } else {
 152             throw css::lang::IllegalArgumentException(
 153                 ::rtl::OUString::createFromAscii("CLiteral::initialize: "
 154                     "argument must be string or URI"), *this, 1);
 155         }
 156     }
 157 }
 158
 159 // ::com::sun::star::rdf::XNode:
 160 ::rtl::OUString SAL_CALL CLiteral::getStringValue() throw (css::uno::RuntimeException)
 161 {
 162     if (!m_Language.equalsAscii("")) {
 163         ::rtl::OUStringBuffer buf(m_Value);
 164         buf.appendAscii("@");
 165         buf.append(m_Language);
 166         return buf.makeStringAndClear();
 167     } else if (m_xDatatype.is()) {
 168         ::rtl::OUStringBuffer buf(m_Value);
 169         buf.appendAscii("^^");
 170         buf.append(m_xDatatype->getStringValue());
 171         return buf.makeStringAndClear();
 172     } else {
 173         return m_Value;
 174     }
 175 }
 176
 177 // ::com::sun::star::rdf::XLiteral:
 178 ::rtl::OUString SAL_CALL CLiteral::getValue() throw (css::uno::RuntimeException)
 179 {
 180     return m_Value;
 181 }
 182
 183 ::rtl::OUString SAL_CALL CLiteral::getLanguage() throw (css::uno::RuntimeException)
 184 {
 185     return m_Language;
 186 }
 187
 188 css::uno::Reference< css::rdf::XURI > SAL_CALL CLiteral::getDatatype() throw (css::uno::RuntimeException)
 189 {
 190     return m_xDatatype;
 191 }
 192
 193 } // closing anonymous implementation namespace
 194
 195
 196
 197 // component helper namespace
 198 namespace comp_CLiteral {
 199
 200 ::rtl::OUString SAL_CALL _getImplementationName() {
 201     return ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(
 202         "CLiteral"));
 203 }
 204
 205 css::uno::Sequence< ::rtl::OUString > SAL_CALL _getSupportedServiceNames()
 206 {
 207     css::uno::Sequence< ::rtl::OUString > s(1);
 208     s[0] = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(
 209         "com.sun.star.rdf.Literal"));
 210     return s;
 211 }
 212
 213 css::uno::Reference< css::uno::XInterface > SAL_CALL _create(
 214     const css::uno::Reference< css::uno::XComponentContext > & context)
 215         SAL_THROW((css::uno::Exception))
 216 {
 217     return static_cast< ::cppu::OWeakObject * >(new CLiteral(context));
 218 }
 219
 220 } // closing component helper namespace
 221