Abstract
This code snippet fetches a currency conversion rate.
Logic
Initialize a new HTTPbuilderHTTPBuilder, use the common request types and get the response.
Snippet
| Code Block | ||||
|---|---|---|---|---|
| ||||
import groovyx.net.http.HTTPBuilder
import static groovyx.net.http.Method.GET
import static groovyx.net.http.ContentType.JSON
// initialize a new builder and give a default URL
def http = new HTTPBuilder("<URL>")
http.request(GET,JSON) { req ->
response.success = { resp, reader ->
assert resp.status == 200
reader.<id>.val
}
// called only for a 404 (not found) status code:
response.'404' = { resp ->
println 'Not found'
}
} |
...
| Placeholder | Description | Example |
|---|---|---|
<URL> | URL | http://free.currencyconverterapi.com/api/v5/convert?q=EUR_USD&compact=y |
<id> | The conversion Id | EUR_USD |
Context
The outcome of the code snippet is a BigDecimal. You could use this code, for example, to convert currency from one to another.
Reference
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