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/*
* StatusEvent.java
* Copyright (C) 1999 Chris Burdess <dog@gnu.org>
*
* This file is part of GNU JavaMail, a library.
*
* GNU JavaMail 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 2 of the License, or
* (at your option) any later version.
*
* GNU JavaMail 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 this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* As a special exception, if you link this library with other files to
* produce an executable, this library does not by itself cause the
* resulting executable to be covered by the GNU General Public License.
* This exception does not however invalidate any other reasons why the
* executable file might be covered by the GNU General Public License.
*/
package gnu.mail.treeutil;
import java.util.*;
/**
* A status message.
*
* @author <a href='mailto:dog@gnu.org'>Chris Burdess</a>
* @version 1.0.2
*/
public class StatusEvent
extends EventObject
{
public static final int OPERATION_START = 0;
public static final int OPERATION_UPDATE = 1;
public static final int OPERATION_END = 2;
public static final int UNKNOWN = -1;
protected int type;
protected String operation;
protected int minimum = UNKNOWN;
protected int maximum = UNKNOWN;
protected int value = UNKNOWN;
/**
* Creates a new status event with the specified type and operation.
*/
public StatusEvent(Object source, int type, String operation)
{
super(source);
switch (type)
{
case OPERATION_START:
case OPERATION_UPDATE:
case OPERATION_END:
this.type = type;
break;
default:
throw new IllegalArgumentException("Illegal event type: "+type);
}
this.operation = operation;
}
/**
* Creates a new status event representing an update of the specified operation.
*/
public StatusEvent(Object source, int type, String operation, int minimum, int maximum, int value)
{
super(source);
switch (type)
{
case OPERATION_START:
case OPERATION_UPDATE:
case OPERATION_END:
this.type = type;
break;
default:
throw new IllegalArgumentException("Illegal event type: "+type);
}
this.operation = operation;
this.minimum = minimum;
this.maximum = maximum;
this.value = value;
}
/**
* Returns the type of event (OPERATION_START, OPERATION_UPDATE, or OPERATION_END).
*/
public int getType()
{
return type;
}
/**
* Returns a string describing the operation being performed.
*/
public String getOperation()
{
return operation;
}
/**
* Returns the start point of the operation.
*/
public int getMinimum()
{
return minimum;
}
/**
* Returns the end point of the operation.
*/
public int getMaximum()
{
return maximum;
}
/**
* Returns the current point in the operation.
*/
public int getValue()
{
return value;
}
}
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