JettyServer.java

package br.com.caelum.calopsita.tasks;

import java.util.ArrayList;
import java.util.List;

import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Task;
import org.mortbay.jetty.Handler;
import org.mortbay.jetty.Server;
import org.mortbay.jetty.handler.DefaultHandler;
import org.mortbay.jetty.handler.HandlerCollection;
import org.mortbay.jetty.webapp.WebAppContext;

public class JettyServer extends Task {

    static final int SHUTDOWN = 1;
    private final List<Context> contexts = new ArrayList<Context>();

    private int port;
    private String databasePort;
    private Server server;

    public void setPort(int port) {
        this.port = port;
    }

    public static void main(String[] args) throws Exception {
        final JettyServer jetty = new JettyServer();
        jetty.setPort(Integer.parseInt(args[0]));
        jetty.setDatabasePort(args[1]);
        Context ctx = new Context();
        ctx.setContext("/calopsita");
        ctx.setWar(args[2]);
        jetty.addContext(ctx);
        jetty.execute();
    }

    @Override
    public void execute() throws BuildException {
        System.out.println("Starting Jetty on port " + port);
        this.server = new Server(port);

        try {
            Thread.currentThread().setContextClassLoader(
                    this.getClass().getClassLoader());
            List<Handler> lista = new ArrayList<Handler>();
            for (Context ctx : this.contexts) {
                WebAppContext wac = new WebAppContext();
                wac.setAttribute("databasePort", this.databasePort);
                wac.setParentLoaderPriority(true);
                wac.setContextPath(ctx.getContext());
                wac.setWar(ctx.getWar());
                lista.add(wac);
            }
            lista.add(new DefaultHandler());
            HandlerCollection handlers = new HandlerCollection();
            handlers.setHandlers(lista.toArray(new Handler[] {}));
            server.setHandler(handlers);
            server.setStopAtShutdown(true);
            server.start();
            System.out.println("Jetty started");
        } catch (Exception e) {
            e.printStackTrace();
            throw new BuildException(e);
        }
    }

    public void addContext(Context ctx) {
        this.contexts.add(ctx);
    }

    public void setDatabasePort(String databasePort) {
        this.databasePort = databasePort;
    }

}