StatusEvent.java
上传用户:huihesys
上传日期:2007-01-04
资源大小:3877k
文件大小:3k
- /*
- * StatusEvent.java
- * Copyright (C) 1999 dog <dog@dog.net.uk>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library 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 for more details.
- *
- * You should have received a copy of the GNU Lesser 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
- *
- * You may retrieve the latest version of this library from
- * http://www.dog.net.uk/knife/
- */
- package dog.util;
- import java.util.*;
- /**
- * A status message.
- *
- * @author dog@dog.net.uk
- * @version 1.0
- */
- 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; }
- }