PowerBuilder

JSON Paths that need Double Quotes

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This example explains and demonstrates the situations where parts within a JSON path need to be enclosed in double-quotes. PowerBuilder

integer li_rc
oleobject loo_Json

// Imagine we have the following JSON:

// 	{ 
// 	  "Meta Data": { 
// 	    "1: Symbol": "MSFT",
// 	    "2: Indicator": "Relative Strength Index (RSI)",
// 	    "3: Last Refreshed": "2017-07-28 09:30:00",
// 	    "4: Interval": "15min",
// 	    "5: Time Period": 10,
// 	    "6: Series Type": "close",
// 	    "7: Time Zone": "US/Eastern Time"
// 	  },
// 	  "Technical Analysis: RSI": { 
// 	    "2017-07-28 09:30": { 
// 	      "RSI": "38.6964"
// 	    },
// 	    "2017-07-27 16:00": { 
// 	      "RSI": "50.0088"
// 	    } 
// 	} 

// The path to the RSI valud 38.6964 is Technical Analysis: RSI.2017-07-28 09:30.RSI

// Whenever a path part contains a SPACE or "." char, that part must be enclosed
// in double quotes.  For example:

loo_Json = create oleobject
li_rc = loo_Json.ConnectToNewObject("Chilkat.JsonObject")
if li_rc < 0 then
    destroy loo_Json
    MessageBox("Error","Connecting to COM object failed")
    return
end if
loo_Json.LoadFile("qa_data/json/rsi.json")

Write-Debug "RSI: " + loo_Json.StringOf("~"Technical Analysis: RSI~".~"2017-07-28 09:30~".RSI")

// output is 38.6964


destroy loo_Json