When i request to my web server it send me Json string in request.response.i want to store that json into NSDictionary for parsing and storing it into database.
My Json format is
{ "rowNumber" : 3,
[ { "Age" : "2 - 4 years old ",
"AndroidID" : "2",
"Category" : "Chanson",
"Description" : "fourni",
"Size" : 3447196,
"Thumbnail" : null,
"Title" : "test",
"iTunesID" : "2",
"inactive" : false,
"product_id" : 2} ],
[ { "Age" : "2 - 4 years old ",
"AndroidID" : "3",
"Category" : "Chanson",
"Description" : "Animation ",
"Size" : 3447196,
"Thumbnail" : null,
"Title" : "Escargot",
"iTunesID" : "3",
"inactive" : false,
"product_id" : 3
} ]
}
IF i use this code to print String by string to NSlog it display fine but How i can i store that into NDdictionary ??
NSString *response = [[request responseString] stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];
To store into dictionary i tried this code but this store my json in reverse order
NSDictionary* json = [NSJSONSerialization
JSONObjectWithData:request.responseData
options:kNilOptions
error:&error];
for(NSString *key in [json allKeys]) {
NSLog(#"%#",[json objectForKey:key]);
it store it into reverse order. Any help is appreciated.I am using ASIFormDataRequest for networking.
Your JSON is not valid.
I check at
http://jsonviewer.stack.hu/
http://jsonviewer.net/
Your array format is wrong. Read JSON syntax HERE
This is how it should be done:
{ "rowNumber" : 3,
"Data" : [ {
"Age" : "2 - 4 years old ",
"AndroidID" : "2",
"Category" : "Chanson",
"Description" : "fourni",
"Size" : 3447196,
"Thumbnail" : null,
"Title" : "test",
"iTunesID" : "2",
"inactive" : false,
"product_id" : 2
} ,
{
"Age" : "2 - 4 years old ",
"AndroidID" : "3",
"Category" : "Chanson",
"Description" : "Animation ",
"Size" : 3447196,
"Thumbnail" : null,
"Title" : "Escargot",
"iTunesID" : "3",
"inactive" : false,
"product_id" : 3
} ]
}
Then to store JSON data, I recommend you using my technique HERE. Proper way and quite a beast
Json is parsed and output is NSArray or NSDicitonary
You added wrong json.Not proper format
NSdictionary doesn't have an order as you say.It is a key-value pair mechanism.That is it stores as a value for a key using setObject:ForKey: method and gives the value back when asked with same key used to set the value using objectForKey: method
Related
BED_MAST this is my one collection bed_mast contains WARD_ID and want to perform join to my other collection with is WARD_MAST given below.
{
"_id" : ObjectId("5e53c95a26b0e5ad0fb46376"),
"Bed_id" : "bd-10",
"WARD_ID" : "4",
"OCCUPIED" : "0",
"BED_TYPE" : "single AC"
}
{
"_id" : ObjectId("5e53c95a26b0e5ad0fb46377"),
"Bed_id" : "bd-11",
"WARD_ID" : "1",
"OCCUPIED" : "0",
"BED_TYPE" : "single Non AC"
}
WARD_MAST this is my WARD_MAST having ward_id. but while I am putting lookup I am not getting any data.
{
"_id" : ObjectId("5e53c95b26b0e5ad0fb46544"),
"patient_id" : null,
"ward_id" : 1,
"total_beds" : 55,
"ward_name" : "Ward 1"
}
{
"_id" : ObjectId("5e53c95d26b0e5ad0fb46545"),
"patient_id" : null,
"ward_id" : 2,
"total_beds" : 63,
"ward_name" : "Ward 2"
}
MY query is
db.BED_MAST.aggregate([{$lookup:{'from':"WARD_MAST",'localField':"WARD_ID",'foreignField':"ward_id",'as':"lookup_value"}}]).pretty()
output: I have confirmed the data by running this query to MySQL there it is working fine
{
"_id" : ObjectId("5e53c95b26b0e5ad0fb46388"),
"Bed_id" : "bd-28",
"WARD_ID" : "6",
"OCCUPIED" : "0",
"BED_TYPE" : "NICU",
"lookup_value" : [ ]
}
SAMPLE VALUES DATA IS GIVEN ALL DATA IS NOT POSSIBLE TO GIVE. I know it was asked 1000 times but not able to resolve this question. tried to solve with lookup. but it showing blank space. Is anything I am missing.
The problem is BED_MAST collection's WARD_ID has string values and WARD_MAST collection's ward_id has Number values.
I would like to ask that question. The question is how to get specific data range from firebase ?
I have table on firebase like this:
"users" : {
"Jz3IpatRWiWoDbiYM62q6qbHB503" : {
"email" : "Kaanozdemir#gmail.com",
"lastName" : "Ozdemir",
"name" : "Kaan"
},
"PmeYYFiac0c55fU2sFpnTP308mC3" : {
"email" : "kevinhart#gmail.com",
"lastName" : "Hart",
"name" : "Kevin"
},
"r0bMqSGCWihFi2EF4u6ckSzLP8v1" : {
"email" : "Marcusalvarez#gmail.com",
"lastName" : "Alvarez",
"name" : "Marcus"
},
"A3tmSSGCWihFi2EF4u6ckSzLP8c1" : {
"email" : "taylorswift#gmail.com",
"lastName" : "Swift",
"name" : "Taylor"
},
"3SUTsiGCWihFi2EF4u6ckSzLP8v2" : {
"email" : "jimmyfellon#gmail.com",
"lastName" : "Fellon",
"name" : "Jimmy"
},
"lgSit3GCWihFi2EF4u6ckSzLP8u3" : {
"email" : "jaxteller#gmail.com",
"lastName" : "Teller",
"name" : "Jax"
}
For example, I would like to get users values between 2 and 4 [2 - 4](Marcus Alvarez - Taylor Swift - Jimmy Fellon).
Is there any way to do that server side ? I don't wanna get all data and pick values that I want. Anyone knows?
Change your JSON DB structure to include an index in every node :
"users" : {
"autoID1" : {
"email" :.....,
"lastName" : ......,
"name" :.......,
"index" : //e.g.. 1,2,3,4......
}
},
"noOfUsers" : 223,
If you are appending this users node via app, you have too keep track of the no of users in Database node users and keep updating the noOfUsers whenever a new user is added. And to set the next ones index number , just retrieve that node value i.e 223 and sees it and then increment the noOfUsers......
To retrieve between 2-4 .. Now you can use :
Database.database().reference().child("users").queryOrdered(byChild: "index").queryStarting(atValue: "2").queryEnding(atValue: "4").observe....
Basically I have played with Firebase for the past week, and I recently stumbled upon the 'queryOrderedByChild()' that as far as I know - allows you to sort data in firebase. However, I seem to not get the proper results. My Firebase data looks like this:
{
"names" : {
"-KHVUwXdVPHmrO_O5kil" : {
"id" : "0",
"name" : "Jeff"
},
"-KHVV7lCeac0cZNMi9fq" : {
"id" : "3",
"name" : "Stig"
},
"-KHVVCjXgl0XxasVOHF1" : {
"id" : "13",
"name" : "Ali"
},
"-KHVVJtyUO-yJZiompJO" : {
"id" : "7",
"name" : "Hannah"
},
"-KHVVR8tMSO1Oh7R8tR1" : {
"id" : "2",
"name" : "Amanda"
}
}
}
, and my code looks like this:
ref.childByAppendingPath("names")
.queryOrderedByChild("id")
.observeEventType(.ChildAdded) { (snapshot:FDataSnapshot!) in
if let myID = snapshot.value["id"] as? String {
print(myID)
}
The output is still in a random order, displaying: 0, 2,7,1,8,4 - Isn't this supposed to be numeric? What am I doing wrong? How can I sort it so it get's numeric either ascending or descending?
You say that you're ordering by a number, but the value of your id property is stored as a string.
Since you're storing them as a string, they will be returned in lexicographical order.
If you want them to be in numerical order, you should store them as numbers
"-KHVUwXdVPHmrO_O5kil" : {
"id" : 0,
"name" : "Jeff"
},
Alternatively, you could store the ids as zero-padded strings:
{
"names" : {
"-KHVUwXdVPHmrO_O5kil" : {
"id" : "0000",
"name" : "Jeff"
},
"-KHVV7lCeac0cZNMi9fq" : {
"id" : "0003",
"name" : "Stig"
},
"-KHVVCjXgl0XxasVOHF1" : {
"id" : "0013",
"name" : "Ali"
},
"-KHVVJtyUO-yJZiompJO" : {
"id" : "0007",
"name" : "Hannah"
},
"-KHVVR8tMSO1Oh7R8tR1" : {
"id" : "0002",
"name" : "Amanda"
}
}
}
Since the strings are all the same length, they will be sorted in the correct order. But you'll have to decide on the length of the string/maximum id value in the latter solution, so it seems worse.
If you using order by child you going to order your id you no going to touch it's value.
Then maybe you have to try something like
(FIRDatabaseQuery *) queryOrderedByValue
queryOrderedByValue: is used to generate a reference to a view of the data that's been sorted by child value.
I've a NSDictionary populated by a JSON file.
JSON file content (initially)
{
"length" : 0,
"locations" : []
}
I want add some elements in "locations". The elements have the below structure:
[
"name" : "some_name",
"lat" : "4.88889",
"long" : "5.456789",
"date" : "19/01/2015"
]
In next code I read de JSON File
let contentFile = NSData(contentsOfFile: pathToTheFile)
let jsonDict = NSJSONSerialization.JSONObjectWithData(contentFile!, options: nil, error: &writeError) as NSDictionary`
like you can see jsonDict contain the JSON's info but in a NSDictionary object.
At this point I can't add the elements mentioned before, I tried insert NSData, NSArray, Strings, and nothing results for me
After do this I want convert "final" NSDictionary in JSON again to save it in a file.
The "final" NSDictionary must be like this
{
"length" : 3,
"locations" : [
{
"name" : "some_name",
"lat" : "4.88889",
"long" : "5.456789",
"date" : "19/01/2015"
},
{
"name" : "some_name_2",
"lat" : "8.88889",
"long" : "9.456789",
"date" : "19/01/2015"
},
{
"name" : "some_name_3",
"lat" : "67.88889",
"long" : "5.456789",
"date" : "19/01/2015"
}
]
}
"length" control the index for new element
I have no more ideas to do this. thanks in advance
If you want to be able to modify the dictionary, you can make it mutable:
let jsonDict = NSJSONSerialization.JSONObjectWithData(contentFile!, options: .MutableContainers, error: &writeError) as NSMutableDictionary
The resulting NSMutableDictionary can be modified. For example:
let originalJSON = "{\"length\" : 0,\"locations\" : []}"
let data = originalJSON.dataUsingEncoding(NSUTF8StringEncoding)
var parseError: NSError?
let locationDictionary = NSJSONSerialization.JSONObjectWithData(data!, options: .MutableContainers, error: &parseError) as NSMutableDictionary
locationDictionary["length"] = 1 // change the `length` value
let location1 = [ // create dictionary that we'll insert
"name" : "some_name",
"lat" : "4.88889",
"long" : "5.456789",
"date" : "19/01/2015"
]
if let locations = locationDictionary["locations"] as? NSMutableArray {
locations.addObject(location1) // add the location to the array of locations
}
If you now constructed JSON from the updated locationDictionary, it would look like:
{
"length" : 1,
"locations" : [
{
"long" : "5.456789",
"lat" : "4.88889",
"date" : "19/01/2015",
"name" : "some_name"
}
]
}
I'm using groovy with mongodb. I have a result set but need a value from a different grouping of documents. How do I pull that value into the result set I need?
MAIN:Network data
"resource_metadata" : {
"name" : "tapd2e75adf-71",
"parameters" : { },
"fref" : null,
"instance_id" : "9f170531-79d0-48ee-b0f7-9bd2788b1cc5"}
I need the display_name for the network data result set which is contained in the compute data.
CPU data
"resource_id" : "9f170531-79d0-48ee-b0f7-9bd2788b1cc5",
"resource_metadata" : {
"ramdisk_id" : "",
"display_name" : "testinstance0001"}
You can see the resource_id and the Instance_id are the same values. I know there is no relationship I can do but trying to reach to see if anyone has come across this. I'm using the table model to retrieve data for reporting. Hashtable has been suggested to me but I'm not seeing that working. Somehow in the hasNext I need to include the display_name value. in the networking data so GUID number doesn't only valid name shows from compute data.
def docs = meter.find(query).sort(sort).limit(50)\
while (docs.hasNext()) { def doc = docs.next()\
model.addRow([ doc.get("counter_name"),doc.get("counter_volume"),doc.get("timestamp"),\
doc.get("resource_metadata").getString("mac"),\
doc.get("resource_metadata").getString("instance_id"),\
doc.get("counter_unit")]
as Object[]);}
Full document:
1st set where I need the network data measure with no name only id {resource_metadata.instance_id}
{
"_id" : ObjectId("528812f8be09a32281e137d0"),
"counter_name" : "network.outgoing.packets",
"user_id" : "4d4e43ec79c5497491b23b13644c2a3b",
"timestamp" : ISODate("2013-11-17T00:51:00Z"),
"resource_metadata" : {
"name" : "tap6baab24e-8f",
"parameters" : { },
"fref" : null,
"instance_id" : "a8727a1d-4661-4565-9c0a-511279024a97",
"instance_type" : "50",
"mac" : "fa:16:3e:a3:bf:fc"
},
"source" : "openstack",
"counter_unit" : "packet",
"counter_volume" : 4611911,
"project_id" : "97dc4ca962b040608e7e707dd03f2574",
"message_id" : "54039238-4f22-11e3-8e68-e4115b99a59d",
"counter_type" : "cumulative"
}
2nd set where I want to grab the name as I get the values {resource_id}:
"_id" : ObjectId("5287bc3ebe09a32281dd2594"),
"counter_name" : "cpu",
"user_id" : "4d4e43ec79c5497491b23b13644c2a3b",
"message_signature" :
"timestamp" : ISODate("2013-11-16T18:40:58Z"),
"resource_id" : "a8727a1d-4661-4565-9c0a-511279024a97",
"resource_metadata" : {
"ramdisk_id" : "",
"display_name" : "vmsapng01",
"name" : "instance-000014d4",
"disk_gb" : "",
"availability_zone" : "",
"kernel_id" : "",
"ephemeral_gb" : "",
"host" : "3746d148a76f4e1a8203d7e2378ef48ccad8a714a47e7481ab37bcb6",
"memory_mb" : "",
"instance_type" : "50",
"vcpus" : "",
"root_gb" : "",
"image_ref" : "869be2c0-9480-4239-97ad-df383c6d09bf",
"architecture" : "",
"os_type" : "",
"reservation_id" : ""
},
"source" : "openstack",
"counter_unit" : "ns",
"counter_volume" : NumberLong("724574640000000"),
"project_id" : "97dc4ca962b040608e7e707dd03f2574",
"message_id" : "a240fa5a-4eee-11e3-8e68-e4115b99a59d",
"counter_type" : "cumulative"
}
This is another collection that contains the same value but just thought it would be easier to grab from same collection:
"_id" : "a8727a1d-4661-4565-9c0a-511279024a97",
"metadata" : {
"ramdisk_id" : "",
"display_name" : "vmsapng01",
"name" : "instance-000014d4",
"disk_gb" : "",
"availability_zone" : "",
"kernel_id" : "",
"ephemeral_gb" : "",
"host" : "3746d148a76f4e1a8203d7e2378ef48ccad8a714a47e7481ab37bcb6",
"memory_mb" : "",
"instance_type" : "50",
"vcpus" : "",
"root_gb" : "",
"image_ref" : "869be2c0-9480-4239-97ad-df383c6d09bf",
"architecture" : "",
"os_type" : "",
"reservation_id" : "",
}
Mike
It looks like these data are in 2 different collections, is this correct?
Would you be able to query CPU data for each "instance_id" ("resource_id")?
Or if this would cause too many queries to the database (looks like you limit to 50...) you could use $in with the list of all "Instance_id"s
http://docs.mongodb.org/manual/reference/operator/query/in/
Either way, you will need to query each collection separately.