void index(const tstring& sDir)
    {
        IndexWriterPtr pIndexWriter = m_pIndex->acquireWriter();

        DirectoryIterator di(sDir, false);
        while(di.hasNext())
        {
            const File& f = di.next();
            if(f.isFile())
            {
                BinaryFile bf;
                bf.open(f.getPath().c_str(), BinaryFile::READ);
                if(bf.isFileOpen())
                {
                    size_t nRead = (size_t)bf.getLength();
                    if (nRead > 0)
                    {
                        DocumentPtr pDoc = new Document(pIndexWriter->getDocSchema());
                        pDoc->addField(0, f.getPath().c_str());
                        char* buf = new char[nRead + 1];
                        bf.read(buf, nRead);
                        buf[nRead] = 0;
                        pDoc->addField(1, buf, nRead, false);
                        delete[] buf;
                        
                        pIndexWriter->addDocument(pDoc);
                    }
                }
            }
        }
        docPool.commit();
        pIndexWriter->close();
    }
void DateTimeIndexTestCase::buildDateTimeIndex(const string& sDocs)
{
    try
    {
        DocumentSchema schema;
        schema.addField("DateTime1", "DATETIME_I", true);

        Index index;
        index.open(getIndexPath(), Index::WRITE, &schema);
        IndexWriterPtr pIndexWriter = index.acquireWriter();
        
        StringTokenizer st(sDocs, ";", StringTokenizer::TOKEN_TRIM |
                           StringTokenizer::TOKEN_IGNORE_EMPTY);
        for (StringTokenizer::Iterator it = st.begin(); it != st.end(); ++it)
        {
            DocumentPtr pDoc = new Document(pIndexWriter->getDocSchema());
            pDoc->addField(0, (*it).c_str());
            pIndexWriter->addDocument(pDoc);
        }

        pIndexWriter->close();
    }
    catch (const FirteXException& )
    {
        CPPUNIT_ASSERT(false);
    }
}