BdRetVal bdbXMLInterface::delete_doc(container_index container_type, const string &doc_name)
{
XmlContainer* container = NULL;
if (m_manager == NULL)
{
throw XmlException(XmlException::NULL_POINTER, "n_manager NULL", __FILE__, __LINE__);
}
container = &m_containers[container_type];
if (container == NULL)
{
throw XmlException(XmlException::NULL_POINTER, "container NULL", __FILE__, __LINE__);
}
XmlUpdateContext the_context = m_manager->createUpdateContext();
try{
XmlDocument the_doc = container->getDocument(doc_name);
container->deleteDocument(the_doc, the_context);
}
catch (XmlException &xe)
{
throw xe;
}
return no_error;
}
BdRetVal bdbXMLInterface::create_doc(container_index container_type,
const string &doc_name,
const string &root,
vector<string>* attr_list,
int flag)
{
if (m_manager == NULL)
{
throw XmlException(XmlException::NULL_POINTER, "m_manager", __FILE__, __LINE__);
}
XmlContainer* container = NULL;
container = &m_containers[container_type];
XmlUpdateContext the_context = m_manager->createUpdateContext();
try
{
XmlDocument the_doc = container->getDocument(doc_name);
if ((flag & DELET_EXIST) != DELET_EXIST)
{
throw XmlException(XmlException::NULL_POINTER, "xml document exists", __FILE__, __LINE__);
return xml_exception;
}
else
{
container->deleteDocument(the_doc, the_context);
}
}
catch (XmlException &e)
{
if (e.getExceptionCode() != XmlException::DOCUMENT_NOT_FOUND)
{
debugOut() << "xml excepiton" << e.what() << endl;
throw XmlException(XmlException::NULL_POINTER, "xml document get error", __FILE__, __LINE__);
}
}
//创建一个新的document
string content = "<?xml version=\"1.0\"?>";
content += "\n<" + root + ">";
if (attr_list != NULL)
{
for (int i=0; i < attr_list->size(); i++)
{
content += "\n";
content += (*attr_list)[i];
}
}
content += "\n</" + root + ">";
try
{
container->putDocument(doc_name, content, the_context, 0);
}
catch (XmlException &e)
{
debugOut() << "xml exception: " << e.what() << endl;
throw XmlException(XmlException::NULL_POINTER, "xml document put content error", __FILE__, __LINE__);
}
}
BdRetVal bdbXMLInterface::put_stringtodoc(container_index container_type, const char* content, const string& doc_name)
{
if (m_manager == NULL)
{
throw XmlException(XmlException::NULL_POINTER, "m_manager", __FILE__, __LINE__);
}
XmlContainer* container = NULL;
container = &m_containers[container_type];
XmlUpdateContext the_context = m_manager->createUpdateContext();
try
{
XmlDocument the_doc = container->getDocument(doc_name);
container->deleteDocument(the_doc, the_context);
}
catch (XmlException &e)
{
if (e.getExceptionCode() != XmlException::DOCUMENT_NOT_FOUND)
{
debugOut() << "xml excepiton" << e.what() << endl;
throw XmlException(XmlException::NULL_POINTER, "xml document get error", __FILE__, __LINE__);
}
}
try
{
container->putDocument(doc_name, content, the_context, 0);
}
catch (XmlException &e)
{
debugOut() << "xml exception: " << e.what() << endl;
throw XmlException(XmlException::NULL_POINTER, "xml document put content error", __FILE__, __LINE__);
}
}
string getContent(XmlManager& mgr,
const string& containerName,
const string& docName)
{
XmlContainer cont = mgr.openContainer(containerName);
string content;
cont.getDocument(docName).getContent(content);
return content;
}
//Get a document from the container using the document name
void doGetDocument( XmlTransaction &txn, XmlContainer &container, const std::string docname)
{
try {
std::cout << "Getting document '" << docname << "' from the container." << std::endl;
std::cout << "Return to continue: ";
getc(stdin);
std::cout << "\n";
//Get the document from the container using the document name
XmlDocument theDocument = container.getDocument(txn, docname);
std::string content;
std::cout << "Document name: " << theDocument.getName() << std::endl;
std::cout << theDocument.getContent(content) << std::endl;
}
//Catches XmlException
catch(std::exception &e) {
std::cerr << "Get document from container failed.\n";
std::cerr << e.what() << "\n";
txn.abort();
exit( -1 );
}
}
/**
* @breif
* Put a file to dbxml database, if there already
* had the file in db, check the time stamp to decide if
* update needed.
*
* @Param pathname
* the path of the file
* @Param docname
* The doc name in the dbxml database
*
* @Returns
* return no_error for success
* otherwise an XmlException was throwed
*/
BdRetVal bdbXMLInterface::add_files(const string& pathname, const string& docname)
{
XmlContainer* container = NULL;
if (m_manager == NULL)
{
throw XmlException(XmlException::NULL_POINTER, "n_manager NULL", __FILE__, __LINE__);
}
debugOut() << "try file: " << pathname << endl;
QString q_pathname(pathname.c_str());
for (int i = 0; i < CONT_IDX_NUM; i ++)
{
QString q_cont_name("database/");
q_cont_name += (container_names[i].c_str());
q_cont_name += "/";
if (q_pathname.contains(q_cont_name, Qt::CaseInsensitive))
{
container = &m_containers[i];
}
}
if (container == NULL)
{
throw XmlException(XmlException::NULL_POINTER, "container NULL", __FILE__, __LINE__);
}
XmlUpdateContext the_context = m_manager->createUpdateContext();
try{
XmlDocument the_doc = container->getDocument(docname);
//
container->deleteDocument(the_doc, the_context);
}
catch (XmlException &e)
{
// debugOut() << "open document xml exception: " << e.what() << " file name: " << docname << endl;
if (e.getExceptionCode() != XmlException::DOCUMENT_NOT_FOUND)
{
throw e;
}
}
debugOut() << "putting file: " << pathname << " to container " << container->getName() <<
" as doc " << docname << endl;
try
{
XmlInputStream *the_stream =
m_manager->createLocalFileInputStream(pathname);
container->putDocument(docname,
the_stream,
the_context,
0);
}
catch (XmlException &e)
{
debugOut() << "xml exception: " << e.what() << endl;
throw e;
}
return no_error;
}
