MongoDB: Entity object (JavaBean) goto DBObject

The code is for practice only (reflection, generics):

 PackageUtils;ImportJava.lang.reflect.Field;ImportCom.mongodb.BasicDBObject;ImportCom.mongodb.DBObject;ImportPojo. User; Public classBeanfromdbobject {/*** @Description: Bean-->dbobject *@paramBean *@returndbobject return type*/     Public Static<T>dbobject getdbobject (T Bean) {if(Bean = =NULL) {            return NULL; } dbobject obj=NewBasicdbobject (); field[] Field=Bean.getclass (). Getdeclaredfields ();  for(Field f:field) {String name=F.getname (); if(!f.isaccessible ()) {f.setaccessible (true); }            Try{Object OJ=F.get (Bean); if(OJ = =NULL) {obj.put (name,""); } Else if(OJinstanceofInteger) {                    intValue =((Integer) OJ). Intvalue ();                Obj.put (name, value); } Else if(OJinstanceofDouble) {Double value=((Double) OJ). Doublevalue ();                Obj.put (name, value); } Else if(OJinstanceofFloat) {Float value=((Float) OJ). Floatvalue ();                Obj.put (name, value); } Else if(OJinstanceofBoolean) {Boolean value=((Boolean) OJ). Booleanvalue ();                Obj.put (name, value); } Else if(OJinstanceofLong) {Long value=((Long) OJ). Longvalue ();                Obj.put (name, value); } Else{obj.put (name, OJ); }            } Catch(Exception e) {e.printstacktrace (); }        }        returnobj; }}

MongoDB: Entity object (JavaBean) goto DBObject