/*
 ************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org 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 Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
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/*
 * Created on 17.10.2003
 *
 * To change the template for this generated file go to
 * Window>Preferences>Java>Code Generation>Code and Comments
 */
package com.sun.star.wizards.web.status;

import java.util.List;
import java.util.Vector;

/**
 * @author rpiterman
 *
 * To change the template for this generated type comment go to
 * Window>Preferences>Java>Code Generation>Code and Comments
 */
public class Task
{

    private int successfull = 0;
    private int failed = 0;
    private int max = 0;
    private String taskName;
    private List listeners = new Vector();
    private String subtaskName;

    public Task(String taskName_, String subtaskName_, int max_)
    {
        taskName = taskName_;
        subtaskName = subtaskName_;
        max = max_;
    }

    public void start()
    {
        fireTaskStarted();
    }

    public int getMax()
    {
        return max;
    }

    public void setMax(int max_)
    {
        max = max_;
        fireTaskStatusChanged();
    }

    public void advance(boolean success_)
    {
        if (success_)
        {
            successfull++;
        }
        else
        {
            failed++;
        }
        fireTaskStatusChanged();
        if (failed + successfull == max)
        {
            fireTaskFinished();
        }
    }

    public void advance(boolean success_, String nextSubtaskName)
    {
        advance(success_);
        setSubtaskName(nextSubtaskName);
    }

    public int getStatus()
    {
        return successfull + failed;
    }

    public void addTaskListener(TaskListener tl)
    {
        listeners.add(tl);
    }

    public void removeTaskListener(TaskListener tl)
    {
        listeners.remove(tl);
    }

    protected void fireTaskStatusChanged()
    {
        TaskEvent te = new TaskEvent(this, TaskEvent.TASK_STATUS_CHANGED);

        for (int i = 0; i < listeners.size(); i++)
        {
            ((TaskListener) listeners.get(i)).taskStatusChanged(te);
        }
    }

    protected void fireTaskStarted()
    {
        TaskEvent te = new TaskEvent(this, TaskEvent.TASK_STARTED);

        for (int i = 0; i < listeners.size(); i++)
        {
            ((TaskListener) listeners.get(i)).taskStarted(te);
        }
    }

    protected void fireTaskFinished()
    {
        TaskEvent te = new TaskEvent(this, TaskEvent.TASK_FINISHED);

        for (int i = 0; i < listeners.size(); i++)
        {
            ((TaskListener) listeners.get(i)).taskFinished(te);
        }
    }

    protected void fireSubtaskNameChanged()
    {
        TaskEvent te = new TaskEvent(this, TaskEvent.SUBTASK_NAME_CHANGED);

        for (int i = 0; i < listeners.size(); i++)
        {
            ((TaskListener) listeners.get(i)).subtaskNameChanged(te);
        }
    }

    /**
     * @return
     */
    public String getSubtaskName()
    {
        return subtaskName;
    }

    /**
     * @return
     */
    public String getTaskName()
    {
        return taskName;
    }

    /**
     * @param string
     */
    public void setSubtaskName(String string)
    {
        subtaskName = string;
        fireSubtaskNameChanged();
    }

    /**
     * @return
     */
    public int getFailed()
    {
        return failed;
    }

    /**
     * @return
     */
    public int getSuccessfull()
    {
        return successfull;
    }
}
