/*
Copyright 2005-2012 GanttProject Team
This file is part of GanttProject, an opensource project management tool.
GanttProject is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
GanttProject is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GanttProject. If not, see <http://www.gnu.org/licenses/>.
*/
package net.sourceforge.ganttproject.export;
import net.sourceforge.ganttproject.task.Task;
import net.sourceforge.ganttproject.task.TaskManager;
/**
* @author bard
*/
public abstract class TaskVisitor {
public String visit(TaskManager taskManager) throws Exception {
StringBuffer out = new StringBuffer();
visit(taskManager.getTaskHierarchy().getRootTask(), 0, out);
return out.toString();
}
void visit(Task task, int depth, StringBuffer out) throws Exception {
Task[] nestedTasks = task.getManager().getTaskHierarchy().getNestedTasks(task);
for (int i = 0; i < nestedTasks.length; i++) {
Task next = nestedTasks[i];
String nextSerialized = serializeTask(next, depth);
out.append(nextSerialized);
visit(next, depth + 1, out);
}
}
protected abstract String serializeTask(Task t, int depth) throws Exception;
}