fdo#64637 RTF import: handle multiple RTF_COMPANY

Instead of unconditionally calling addProperty(), first check the
existence with hasPropertyByName() and call setPropertyValue() instead,
if necessary.

Change-Id: Ie0a075bbfe6eaa1f66726c456105dcdef9001d30

sw/qa/extras/rtfimport/data/fdo64637.rtf

+{\rtf1
+{\info
+{\upr
+{\company aaa}
+{\*\ud
+{\company
+bbb
+}
+}
+}
+}
+foo
+}

sw/qa/extras/rtfimport/rtfimport.cxx

@@ -155,6 +155,7 @@ public:
     void testGroupshape();
     void testFdo66565();
     void testFdo54900();
+    void testFdo64637();
 
     CPPUNIT_TEST_SUITE(Test);
 #if !defined(MACOSX) && !defined(WNT)
@@ -294,6 +295,7 @@ void Test::run()
         {"groupshape.rtf", &Test::testGroupshape},
         {"fdo66565.rtf", &Test::testFdo66565},
         {"fdo54900.rtf", &Test::testFdo54900},
+        {"fdo64637.rtf", &Test::testFdo64637},
     };
     header();
     for (unsigned int i = 0; i < SAL_N_ELEMENTS(aMethods); ++i)
@@ -1432,6 +1434,14 @@ void Test::testFdo54900()
     CPPUNIT_ASSERT_EQUAL(style::ParagraphAdjust_CENTER, static_cast<style::ParagraphAdjust>(getProperty<sal_Int16>(getParagraphOfText(1, xCell->getText()), "ParaAdjust")));
 }
 
+void Test::testFdo64637()
+{
+    // The problem was that the custom "Company" property was added twice, the second invocation resulted in an exception.
+    uno::Reference<document::XDocumentPropertiesSupplier> xDocumentPropertiesSupplier(mxComponent, uno::UNO_QUERY);
+    uno::Reference<beans::XPropertySet> xPropertySet(xDocumentPropertiesSupplier->getDocumentProperties()->getUserDefinedProperties(), uno::UNO_QUERY);
+    CPPUNIT_ASSERT_EQUAL(OUString("bbb"), getProperty<OUString>(xPropertySet, "Company"));
+}
+
 CPPUNIT_TEST_SUITE_REGISTRATION(Test);
 
 CPPUNIT_PLUGIN_IMPLEMENT();

writerfilter/source/rtftok/rtfdocumentimpl.cxx

@@ -4045,11 +4045,16 @@ int RTFDocumentImpl::popState()
         case DESTINATION_COMPANY:
             {
                 OUString aName = aState.nDestinationState == DESTINATION_OPERATOR ? OUString("Operator") : OUString("Company");
+                uno::Any aValue = uno::makeAny(m_aStates.top().aDestinationText.makeStringAndClear());
                 if (m_xDocumentProperties.is())
                 {
                     uno::Reference<beans::XPropertyContainer> xUserDefinedProperties = m_xDocumentProperties->getUserDefinedProperties();
-                    xUserDefinedProperties->addProperty(aName, beans::PropertyAttribute::REMOVABLE,
-                            uno::makeAny(m_aStates.top().aDestinationText.makeStringAndClear()));
+                    uno::Reference<beans::XPropertySet> xPropertySet(xUserDefinedProperties, uno::UNO_QUERY);
+                    uno::Reference<beans::XPropertySetInfo> xPropertySetInfo = xPropertySet->getPropertySetInfo();
+                    if (xPropertySetInfo->hasPropertyByName(aName))
+                        xPropertySet->setPropertyValue(aName, aValue);
+                    else
+                        xUserDefinedProperties->addProperty(aName, beans::PropertyAttribute::REMOVABLE, aValue);
                 }
             }
             break;