public SystemClock() {} public java.util.Date getTime(){ public java.util.Date latch(){| SystemClock | Line # 42 | 2 | 1 | 85.7% |
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| 1 | /* | |
| 2 | * Copyright (c) 2000-2005, University of Salford | |
| 3 | * All rights reserved. | |
| 4 | * | |
| 5 | * Redistribution and use in source and binary forms, with or without | |
| 6 | * modification, are permitted provided that the following conditions are met: | |
| 7 | * | |
| 8 | * Redistributions of source code must retain the above copyright notice, this | |
| 9 | * list of conditions and the following disclaimer. | |
| 10 | * | |
| 11 | * Redistributions in binary form must reproduce the above copyright notice, | |
| 12 | * this list of conditions and the following disclaimer in the documentation | |
| 13 | * and/or other materials provided with the distribution. | |
| 14 | * | |
| 15 | * Neither the name of the University of Salford nor the names of its | |
| 16 | * contributors may be used to endorse or promote products derived from this | |
| 17 | * software without specific prior written permission. | |
| 18 | * | |
| 19 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
| 20 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 21 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 22 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE | |
| 23 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
| 24 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
| 25 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
| 26 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
| 27 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 28 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
| 29 | * POSSIBILITY OF SUCH DAMAGE. | |
| 30 | */ | |
| 31 | ||
| 32 | package issrg.pba.rbac; | |
| 33 | ||
| 34 | import java.util.Calendar; | |
| 35 | ||
| 36 | /** | |
| 37 | * This class is the simplest implementation of the Clock interface and returns | |
| 38 | * just system time | |
| 39 | * to the caller. Note that this might not be secure enough for certain | |
| 40 | * applications. | |
| 41 | */ | |
| 42 | public class SystemClock extends Clock{ | |
| 43 | private java.util.Date lastTime = null; | |
| 44 | ||
| 45 | 24 |
public SystemClock() {} |
| 46 | ||
| 47 | /** | |
| 48 | * This method returns the time that was at the last call to latch() method. | |
| 49 | * If latch() wasn't called at all, it is called at this time. | |
| 50 | */ | |
| 51 | 174 |
public java.util.Date getTime(){ |
| 52 | 174 | return (lastTime==null)? latch(): lastTime; |
| 53 | } | |
| 54 | ||
| 55 | /** | |
| 56 | * Sets the time for the next calls to getTime and returns the current system time. | |
| 57 | * | |
| 58 | * @return the time as set on the local conputer | |
| 59 | */ | |
| 60 | 978 |
public java.util.Date latch(){ |
| 61 | 978 | return lastTime = new java.util.GregorianCalendar().getTime(); |
| 62 | } | |
| 63 | } | |
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