Groovy Script links jenkins to JIRA

gistfile1.txt

import com.atlassian.jira.component.ComponentAccessor
import com.atlassian.jira.issue.MutableIssue
import com.atlassian.jira.issue.CustomFieldManager
import com.atlassian.jira.issue.customfields.view.CustomFieldParams
import com.atlassian.jira.issue.link.RemoteIssueLinkBuilder
import com.atlassian.jira.issue.link.RemoteIssueLinkManager
import java.net.URL
import java.net.URLEncoder
import java.io.OutputStreamWriter
import groovy.json.JsonSlurper

def key = issue.getKey()
def customFieldManager = ComponentAccessor.getCustomFieldManager()
def connection
def jenkinsJob = "http://localhost:8081/HPA_Build/"
def slurper = new JsonSlurper()
def jsonResult
def buildJob
def buildNumber
def buildJobLink

	
//job is out of the queue. find the one for our issue
connection = new URL(jenkinsJob + "api/json?tree=builds[number,actions[parameters[name,value]]]").openConnection()
jsonResult = slurper.parseText(connection.content.text)
       
buildJob = jsonResult.builds.find {build -> build.actions.parameters.getAt(0)?.getAt(1)?.value == key}
buildNumber = buildJob.number
buildJobLink = jenkinsJob + buildNumber + "/"
	
def linkService = ComponentAccessor.getComponent(RemoteIssueLinkManager.class)
def jenkinsUser = ComponentAccessor.getUserManager().getUserByName("jenkins")
def builder = new RemoteIssueLinkBuilder()
def link = builder.globalId("jenkinsBuildNumber=$buildNumber&issueKey=$key").
			issueId(issue.getId()).
			relationship("is executed by").
			applicationName("Jenkins").
			applicationType("Build Server").
			iconUrl("http://localhost:8081/favicon.ico").
			iconTitle("Jenkins").
			title("Job #$buildNumber").
			url(buildJobLink).
			summary("build-$domain-$application").
			statusIconUrl("http://localhost:8081/images/16x16/terminal.png").
			statusIconTitle("Building...").
			statusIconLink(buildJobLink + "console").
			build()
               
def linkResult = linkService.createRemoteIssueLink(link, jenkinsUser)