int DocumentDatabase::getContent(Transaction *txn, DbtOut &key, DbtOut &data,
u_int32_t flags) const
{
int err = 0;
// NOTE: db_.get() does not throw on DB_NOTFOUND, but
// try/catch anyway...
err = content_.get(txn, &key, &data, flags);
if(err == 0 && (data.size != 0)) {
if (compressor_) {
XmlData source(data.data, data.size);
XmlData dest;
XmlTransaction xtxn(txn);
if(!compressor_->decompress(xtxn, source, dest)){
throw XmlException(XmlException::INTERNAL_ERROR,
"Error while tring to decompress your XML document.");
}
/* Replace the buffer in data with the one in dest. Because
of this, DbtOut and Buffer must both use malloc and free*/
if (data.data != dest.get_data())
data.setNoCopy((*dest.getBuffer())->donateBuffer(), dest.get_size());
}
}
return err;
}
