How to do Rest PUT/POST in groovy - rest

Question

How to do HTTP PUT/POSTs from inside Groovy code without having to import any libraries (if at all possible)? I know there is a simple getText() methods that Groovy adds to the java.net.URL class, that could be used without adding any dependencies. Is there a way to do Rest PUT in the same fashion?

Answer 1

You can do it with HttpURLConnection in a similar way as you would do it with java:
def url = new URL('http://your_rest_endpoint')
def http = url.openConnection()
http.setDoOutput(true)
http.setRequestMethod('PUT')
http.setRequestProperty('User-agent', 'groovy script')
def out = new OutputStreamWriter(http.outputStream)
out.write('data')
out.close()
http.inputStream // read server response from it

Answer 2

import groovyx.net.http.RESTClient
import static groovyx.net.http.ContentType.JSON
import groovy.json.JsonSlurper
import groovy.json.JsonOutput
url = "http://restapi3.apiary.io"
#Grab (group = 'org.codehaus.groovy.modules.http-builder', module = 'http-builder', version = '0.5.0')
def client = new RESTClient(url)
def jsonObj = new JsonSlurper().parseText('{ "title": "Pick-up posters from Post-Office" }')
def response = client.put(path: "/notes/id",
contentType: JSON,
body: jsonObj,
headers: [Accept: 'application/json'])
println("Status: " + response.status)
if (response.data) {
println("Content Type: " + response.contentType)
println("Headers: " + response.getAllHeaders())
println("Body:\n" + JsonOutput.prettyPrint(JsonOutput.toJson(response.data)))
}