public ConditionalTasks() 
{

}

 public  void addTask(Task task) 
{
        tasks.add(tasks.size(), task);
}

 public  void execute() 
{
        if ((dirs == null) && (files == null)) {
            throw new BuildException(
                "ConditionalTasks: You must supply at least one of either the files or dirs properties");
        }
        if (name == null) {
            throw new BuildException(
                "ConditionalTasks: You must supply a name for these conditional tasks!");
        }
        log("Verifying conditions for " + name);
        if (family != null) {
            StringTokenizer tokenizer = new StringTokenizer(dirs, ",");
            boolean familyMatch = false;
            while (tokenizer.hasMoreElements() && !familyMatch) {
                String condition = (String) tokenizer.nextElement();
                if (condition.equals(family)) {
                    familyMatch = true;
                }
            }
            if (!familyMatch) {
                log("ConditionalTasks: OS Family '" + family +
                    "' does not match; " + name + " will not be performed");
                return;
            }
        }
        File basedir = getProject().getBaseDir();
        if (dirs != null) {
            StringTokenizer tokenizer = new StringTokenizer(dirs, ",");
            File f;
            while (tokenizer.hasMoreElements()) {
                String condition = (String) tokenizer.nextElement();
                f = new File(basedir, condition);
                if (!f.exists()) {
                    f = new File(condition);
                    if (!f.exists()) {
                        log("ConditionalTasks: Directory '" + condition +
                            "' does not exist; " + name +
                            " will not be performed");
                        return;
                    }
                }
            }
        }
        if (files != null) {
            StringTokenizer tokenizer = new StringTokenizer(files, ",");
            File f;
            while (tokenizer.hasMoreElements()) {
                String condition = (String) tokenizer.nextElement();
                f = new File(basedir, condition);
                if (!f.exists()) {
                    log("ConditionalTasks: File '" + condition +
                        "' does not exist; " + name + " will not be performed");
                    return;
                }
            }
        }
        System.out.println("Executing Conditional Tasks");
        Iterator it = tasks.iterator();
        Task task;
        while (it.hasNext()) {
            task = (Task) it.next();
            task.setProject(getProject());
            task.setOwningTarget(getOwningTarget());
            task.setLocation(getLocation());
            task.perform();
        }
}

 public  void setDirs(String dirs) 
{
        this.dirs = dirs;
}

 public  void setFamily(String family) 
{
        this.family = family;
}

 public  void setFiles(String files) 
{
        this.files = files;
}

 public  void setName(String name) 
{
        this.name = name;
}