/**
* @param dataSourceStub JDataSourceStub
* @return JConnection
* @throws Exception
*/
protected static JConnection createConnection(JDataSourceStub dataSourceStub) throws Exception {
JConnection jconn = null;
if (dataSourceStub.DBClass == null) {
dataSourceStub.DBClass = Class.forName(dataSourceStub.classname);
}
if (dataSourceStub.NAClass == null) {
dataSourceStub.NAClass = Class.forName(dataSourceStub.dbclass);
}
if (dataSourceStub.NAClass != null) {
jconn = (JConnection) dataSourceStub.NAClass.newInstance();
}
if (jconn != null) jconn.setDataBaseType(dataSourceStub.DataBaseType);
return jconn;
}
/**
* @param ParamObject Object
* @param DataObject Object
* @param CustomObject Object
* @param AddeitiveObject Object
* @return Object
*/
public Object InitObject(
Object ParamObject, Object DataObject, Object CustomObject, Object AddeitiveObject) {
// ��ȡ��ݿ����б�
java.util.List dblist = PackageStub.getContentVector("databases");
if (dblist == null) {
return null;
}
StubObject SO = null;
for (int i = 0; i < dblist.size(); i++) {
SO = (StubObject) dblist.get(i);
if (SO == null) {
continue;
}
JDataSourceStub DSS = new JDataSourceStub();
DSS.DataBaseType =
SO.getString("id", null); // EAI.Registry.GetElementValue(DBElement,"DataBaseType");
DSS.classname =
SO.getString("class", null); // .Registry.GetElementValue(DBElement,"classname");
DSS.dbclass =
SO.getString("dbclass", null); // EAI.Registry.GetElementValue(DBElement,"dbclass");
DBList.add(DSS);
}
return null;
}
/**
* @param ParamObject Object
* @param DataObject Object
* @param CustomObject Object
* @param AdditiveObject Object
* @return Object
* @throws Exception
*/
public Object CheckDBDataSource(
Object ParamObject, Object DataObject, Object CustomObject, Object AdditiveObject)
throws Exception {
JParamObject PO;
String DBType;
JDataSourceStub DSS;
JConnection jconn = null;
boolean hasDataSource = false;
PO = (JParamObject) ParamObject;
DBType = PO.GetValueByEnvName("DataBaseType");
for (int i = 0; i < DBList.size(); i++) {
DSS = (JDataSourceStub) DBList.get(i);
if (DSS.DataBaseType.toLowerCase().equals(DBType.toLowerCase()) == true) {
if (DSS.DBClass == null) {
DSS.DBClass = Class.forName(DSS.classname);
}
if (DSS.NAClass == null) {
DSS.NAClass = Class.forName(DSS.dbclass);
}
if (DSS.NAClass != null) {
jconn = (JConnection) DSS.NAClass.newInstance();
try {
hasDataSource = lookDataSource(jconn, PO);
} catch (Exception e) {
e.printStackTrace();
}
if (hasDataSource) break;
}
}
}
if (!hasDataSource) {
throw new Exception("ϵͳû���ṩ" + DBType + "������ݿ�������!");
}
if (hasDataSource) return jconn;
return null;
}