Java tutorial
/* * Copyright (c) 2013 Rising Oak LLC. * * Distributed under the MIT license: http://opensource.org/licenses/MIT */ package kuona.jenkins.analyser; import com.google.common.base.Function; import com.google.common.collect.Maps; import kuona.jenkins.analyser.model.*; import kuona.jenkins.analyser.utils.Utils; import org.apache.http.client.HttpResponseException; import java.io.IOException; import java.net.URI; import java.net.URISyntaxException; import java.net.URLEncoder; import java.sql.Timestamp; import java.util.*; /** * The main starting point for interacting with a Jenkins server. */ public class JenkinsProcessor { private final JenkinsClient client; public JenkinsProcessor(BuildServerSpec spec) { try { final URI uri = new URI(spec.getUrl()); final Project project = new Project(uri); this.client = new JenkinsClient(project, uri, spec.getUsername(), spec.getPassword()); } catch (URISyntaxException e) { throw new RuntimeException(e); } } public JenkinsProcessor(JenkinsClient client) { this.client = client; } public URI getURI() { return client.getURI(); } /** * Get the current status of the Jenkins end-point by pinging it. * * @return true if Jenkins is up and running, false otherwise */ public boolean isRunning() { try { client.get("/"); return true; } catch (IOException e) { return false; } } public MainView getServerInfo() { try { return client.get("/", MainView.class); } catch (IOException e) { throw new RuntimeException(e); } } /** * Get a list of all the defined jobs on the server (at the summary level) * * @return list of defined jobs (summary level, for details @see Job#details * @throws IOException */ public Map<String, Job> getJobs() throws IOException { List<Job> jobs = client.get("/", MainView.class).getJobs(); return Maps.uniqueIndex(jobs, job -> { job.setClient(client); return job.getName().toLowerCase(); }); } /** * Get a single Job from the server. * * @return A single Job, null if not present * @throws IOException */ public JobWithDetails getJob(String jobName) throws IOException { try { JobWithDetails job = client.get("/job/" + encode(jobName), JobWithDetails.class); job.setClient(client); return job; } catch (HttpResponseException e) { if (e.getStatusCode() == 404) { return null; } throw e; } } /** * Get a list of all the computers on the server (at the summary level) * * @return list of defined computers (summary level, for details @see Computer#details * @throws IOException */ public Map<String, Computer> getComputers() throws IOException { List<Computer> computers = client.get("computer/", Computer.class).getComputers(); return Maps.uniqueIndex(computers, new Function<Computer, String>() { @Override public String apply(Computer computer) { computer.setClient(client); return computer.getDisplayName().toLowerCase(); } }); } private String encode(String pathPart) { // jenkins doesn't like the + for space, use %20 instead return URLEncoder.encode(pathPart).replaceAll("\\+", "%20"); } public void collectMetrics(BuildMetrics metrics) { try { Utils.puts("Updating " + getURI()); final int[] jobCount = { 0 }; final int[] buildCount = { 0 }; Set<String> jobNames = getJobs().keySet(); jobCount[0] = jobNames.size(); jobNames.stream().forEach(key -> { try { JobWithDetails job = getJob(key); Utils.puts("Updating " + key); final List<Build> builds = job.details().getBuilds(); buildCount[0] += builds.size(); builds.stream().forEach(buildDetails -> { try { final BuildWithDetails details = buildDetails.details(); Timestamp timestamp = new Timestamp(details.getTimestamp()); Date buildDate = new Date(timestamp.getTime()); int year = buildDate.getYear() + 1900; if (!metrics.activity.containsKey(year)) { metrics.activity.put(year, new int[12]); } int[] yearMap = metrics.activity.get(year); yearMap[buildDate.getMonth()] += 1; if (details.getResult() == null) { metrics.buildCountsByResult.put(BuildResult.UNKNOWN, metrics.buildCountsByResult.get(BuildResult.UNKNOWN) + 1); } else { metrics.buildCountsByResult.put(details.getResult(), metrics.buildCountsByResult.get(details.getResult()) + 1); } metrics.byDuration.collect(details.getDuration()); final List<Map> actions = details.getActions(); actions.stream().filter(action -> action != null).forEach(action -> { if (action.containsKey("causes")) { List<HashMap> causes = (List<HashMap>) action.get("causes"); causes.stream().filter(cause -> cause.containsKey("shortDescription")) .forEach(cause -> { metrics.triggers.add((String) cause.get("shortDescription")); }); } }); metrics.completedBuilds.add(details); } catch (IOException e) { e.printStackTrace(); } }); } catch (IOException e) { e.printStackTrace(); } }); metrics.dashboardServers.add(new HashMap<String, Object>() { { MainView serverInfo = getServerInfo(); put("name", serverInfo.getName()); put("description", serverInfo.getDescription()); put("uri", getURI().toString()); put("jobs", jobCount[0]); put("builds", buildCount[0]); } }); } catch (IOException e) { e.printStackTrace(); } } }