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The Crawler for the Jenkins integration for the Continuous Integration Harvester of the Smart Developer Hub project
The newest version!
/**
 * #-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=#
 *   This file is part of the Smart Developer Hub Project:
 *     http://www.smartdeveloperhub.org/
 *
 *   Center for Open Middleware
 *     http://www.centeropenmiddleware.com/
 * #-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=#
 *   Copyright (C) 2015-2016 Center for Open Middleware.
 * #-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=#
 *   Licensed under the Apache License, Version 2.0 (the "License");
 *   you may not use this file except in compliance with the License.
 *   You may obtain a copy of the License at
 *
 *             http://www.apache.org/licenses/LICENSE-2.0
 *
 *   Unless required by applicable law or agreed to in writing, software
 *   distributed under the License is distributed on an "AS IS" BASIS,
 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *   See the License for the specific language governing permissions and
 *   limitations under the License.
 * #-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=#
 *   Artifact    : org.smartdeveloperhub.harvesters.ci.jenkins:ci-jenkins-crawler:0.3.0
 *   Bundle      : ci-jenkins-crawler-0.3.0.jar
 * #-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=#
 */
package org.smartdeveloperhub.jenkins.crawler;

import java.io.IOException;
import java.net.URI;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.smartdeveloperhub.jenkins.JenkinsArtifactType;
import org.smartdeveloperhub.jenkins.JenkinsEntityType;
import org.smartdeveloperhub.jenkins.JenkinsResource;
import org.smartdeveloperhub.jenkins.JenkinsURI;
import org.smartdeveloperhub.jenkins.crawler.event.JenkinsEventFactory;
import org.smartdeveloperhub.jenkins.crawler.util.TaskUtils;
import org.smartdeveloperhub.jenkins.crawler.util.TaskUtils.ReferenceDifference;
import org.smartdeveloperhub.jenkins.crawler.xml.ci.Instance;
import org.smartdeveloperhub.jenkins.crawler.xml.ci.Job;
import org.smartdeveloperhub.jenkins.crawler.xml.ci.Reference;

final class RefreshInstanceTask extends AbstractEntityCrawlingTask {

	private static final Logger LOGGER=LoggerFactory.getLogger(RefreshInstanceTask.class);

	private final Instance instance;

	RefreshInstanceTask(Instance instance) {
		super(instance.getUrl(),Instance.class,JenkinsEntityType.INSTANCE, JenkinsArtifactType.RESOURCE);
		this.instance = instance;
	}

	@Override
	protected String taskPrefix() {
		return "rit";
	}

	@Override
	protected void processEntity(Instance currentService, JenkinsResource resource) throws IOException {
		ReferenceDifference difference=
			TaskUtils.
				calculate(
					this.instance.getJobs().getJobs(),
					currentService.getJobs().getJobs());

		for(URI createdBuild:difference.created()) {
			if(super.crawlingDecissionPoint().canProcessReference(currentService,toReference(createdBuild), super.jenkinsInformationPoint(), super.currentCrawlingSession())) {
				scheduleTask(new LoadJobTask(createdBuild));
			}
		}

		for(URI maintainedBuild:difference.maintained()) {
			if(super.crawlingDecissionPoint().canProcessReference(currentService,toReference(maintainedBuild), super.jenkinsInformationPoint(), super.currentCrawlingSession())) {
				processMaintainedBuild(maintainedBuild);
			}
		}

		for(URI deletedBuild:difference.deleted()) {
			super.fireEvent(
				JenkinsEventFactory.
					newJobDeletedEvent(
						super.jenkinsInstance(),
						deletedBuild));
		}

	}

	private void processMaintainedBuild(URI maintainedBuild) {
		try {
			Job build=super.entityOfId(maintainedBuild,JenkinsEntityType.JOB,Job.class);
			if(build==null) {
				scheduleTask(new LoadJobTask(maintainedBuild));
			} else {
				scheduleTask(new RefreshJobTask(build));
			}
		} catch (Exception e) {
			LOGGER.warn("Could not load persisted build '{}'",maintainedBuild,e);
		}
	}

	private Reference toReference(URI createdBuild) {
		return new Reference(createdBuild, JenkinsURI.create(createdBuild).job());
	}
}