JettyWaitTask.java

package br.com.caelum.calopsita.tasks;

import java.net.Socket;

import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Task;

public class JettyWaitTask extends Task {

    private int port;

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

    public void execute() throws BuildException {

        while (true) {
            try {
                new Socket("localhost", port);
                break;
            } catch (Exception e) {
                try {
                    log("Waiting for server to load on port " + port);
                    Thread.sleep(10000);
                } catch (InterruptedException e1) {
                    e1.printStackTrace();
                }
            }
        }
    }

}