Question

Parse string containing key/value

Asked by: IUAATech

I have the following string containing a key value pair that I want to parse using C#. I want to extract just the values to a single row separated by a comma. And I also want to convert the date values to mm/dd/yyyy.

Can you please help me write the script? Thanks.

 {"applicationID":0,"person_id":"174182  ","TransactionResult":0,"TransactionResponse":"Approved EPEE4B84B9E4","MembershipPlan":"1-Year/$40","MembershipOption":"SingleAnnual","MembershipType":"Type 1","TotalAmount":40,"RecurringAmount":null,"RecurringPayPeriod":null,"RecurringTerm":null,"RecurringStart":null,"TransactionDate":"\/Date(1256060382836)\/","CampaignCode":"awebSEPT09","LastName":"Smith","FirstName":"John","MiddleName":"","MaidenLastName":"","BirthDate":"\/Date(-31713015600000)\/","IdentityNumber":null,"IdentityType":"ssn","Country":"USA"}

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Asked On
2009-10-23 at 07:37:55ID24838069
Topic

C# Programming Language

Participating Experts
2
Points
500
Comments
4

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Answers

 

by: TribmosPosted on 2009-10-23 at 11:37:14ID: 25647076

The below example assumes that the characters ',' and ':' are only found as seperators.

Didnt run this through a compiler but it should be close to what you asked.

public void stringparse(string input)
{
  input = input.substring(1, input.length-2); //remove { } could be a more elegant way 
  string[] items = string.split(new char[] {','});
  foreach(string st in items)
  {
    string[] item = st.split(new char[] {':'}); 
    //do whatever with, but for example print them!
    Console.WriteLine("{0} = {1}", item[0], item[1]);
  }
}

                                              
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by: InternalStaticPosted on 2009-10-23 at 22:39:20ID: 25650968

Unfortunately, I'm not seeing a realy strict pattern here--certainly not one strict enough to rely on dynamic resolutions. This is why XML exists, my friend. Is there any way you could get the same data in an XML format? Or is this just the way it'll always be? If so, I'll need some more "rules" this schema follows, as I'm not seeing a set-in-stone one really (ie sometimes null is present, while others, the colon is omitted entirely--what happened?)

Get back to me,

Nate

P.S.: I took the liberty of... cleaning up the above code a bit. It still won't work as expected, but at least it will compile (well it should, didn't try yet either, heh), and look a little more elegant.

public void RenameMe(String input)
{
  foreach(String str in input.Substring(1, input.Length - 2).Split(','))
  {
    String[] kv = str.Split(':'); 
    // kv[0] ideally refers to the characters between the last comma(,) and the next colon (:)
    // kv[1] ideally refers to the characters between the last colon and the next comma
  }
}
                                              
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by: IUAATechPosted on 2009-10-24 at 08:06:35ID: 25652531

Thanks. I will try out your code.
I was editing the data to remove some sensiitve information and I wonder if I accidently deleted something.
Anyways, the key is enclosed with quotes (") followed by a colon (:). For the value, if it's a string type, it enclosed with quotes. It can also be null or numbers. Finally, there is a comma separating two key/value pairs.

Hope this helps.

 

by: TribmosPosted on 2009-10-26 at 07:22:58ID: 25662506

If you control the output, XML would be the perfect way to go for this.  An example of what some of the XML output could look like

<object>
<application>0</application>
<person_id>174182</person_id>
<TransactionResult>0</TransactionResult>
....
</object>
<object>
.....
</object>

20120131-EE-VQP-002

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