[rules-users] Creating packages with Guvnor 5.1

package guvnor.connection;

import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.Writer;
import java.util.ArrayList;
import java.util.List;

import org.drools.KnowledgeBase;
import org.drools.KnowledgeBaseFactory;
import org.drools.agent.KnowledgeAgent;
import org.drools.agent.KnowledgeAgentConfiguration;
import org.drools.agent.KnowledgeAgentFactory;
import org.drools.core.util.FileManager;
import org.drools.io.ResourceChangeScannerConfiguration;
import org.drools.io.ResourceFactory;
import org.drools.io.impl.ResourceChangeScannerImpl;
import org.drools.runtime.StatefulKnowledgeSession;

import org.mortbay.jetty.Server;
import org.mortbay.jetty.handler.ResourceHandler;

public class KnowledgeAgent2Guvnor {

    private final Object lock = new Object();
    private static volatile boolean kbaseUpdated;
    private static Server server;

    /**
     * @param args
     */
    public static void main(String[] args) throws Exception {

        FileManager fileManager;

        fileManager = new FileManager();
        fileManager.setUp();
        ((ResourceChangeScannerImpl) ResourceFactory
                .getResourceChangeScannerService()).reset();

        ResourceFactory.getResourceChangeNotifierService().start();
        ResourceFactory.getResourceChangeScannerService().start();

        server = new Server(0);
        ResourceHandler resourceHandler = new ResourceHandler();
        resourceHandler.setResourceBase(fileManager.getRootDirectory()
                .getPath());

        server.setHandler(resourceHandler);

        server.start();

        kbaseUpdated = false;
        System.gc();
        Thread.sleep(300);

        String xml = "";
        xml += "<change-set xmlns='http://drools.org/drools-5.0/change-set'";
        xml += "    xmlns:xs='http://www.w3.org/2001/XMLSchema-instance'";
        xml += "        xs:schemaLocation='http://drools.org/drools-5.0/change-setdrools-change-set-5.0.xsd' >";
        xml += "    <add> ";
        xml += "        <resource source='http://localhost/drools-guvnor/org.drools.guvnor.Guvnor/package/mortgages/TEST' ";
        xml += " type='PKG' basicAuthentication='enabled' username='admin' password='admin'/>";
        xml += "    </add> ";
        xml += "</change-set>";

        File fxml = fileManager.newFile("changeset.xml");
        Writer output = new BufferedWriter(new FileWriter(fxml));
        output.write(xml);
        output.close();

        KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();

        ResourceChangeScannerConfiguration sconf = ResourceFactory
                .getResourceChangeScannerService()
                .newResourceChangeScannerConfiguration();
        sconf.setProperty("drools.resource.scanner.interval", "2");
        ResourceFactory.getResourceChangeScannerService().configure(sconf);

        KnowledgeAgentConfiguration aconf = KnowledgeAgentFactory
                .newKnowledgeAgentConfiguration();
        aconf.setProperty("drools.agent.scanDirectories", "true");
        aconf.setProperty("drools.agent.scanResources", "true");
        aconf.setProperty("drools.agent.newInstance", "true");
        KnowledgeAgent kagent = KnowledgeAgentFactory.newKnowledgeAgent(
                "test agent", kbase, aconf);

        kagent.applyChangeSet(ResourceFactory.newUrlResource(fxml.toURI()
                .toURL()));

        StatefulKnowledgeSession ksession = kagent.getKnowledgeBase()
                .newStatefulKnowledgeSession();
        List<String> list = new ArrayList<String>();
        ksession.setGlobal("list", list);
        ksession.fireAllRules();
        ksession.dispose();
    }
}