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Java > Open Source Codes > net > sourceforge > cruisecontrol > sourcecontrols > accurev > DateTimespec


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37 /*
38  * Created on 29-Jun-2005 by norru
39  *
40  * Copyright (C) Sony Computer Entertainment Europe
41  * Studio Liverpool Server Group
42  *
43  * Authors:
44  * Nicola Orru' <Nicola_Orru@scee.net>
45  */
46 package net.sourceforge.cruisecontrol.sourcecontrols.accurev;
47
48 import org.apache.log4j.Logger;
49
50 import java.text.ParseException JavaDoc;
51 import java.text.SimpleDateFormat JavaDoc;
52 import java.util.Calendar JavaDoc;
53 import java.util.Date JavaDoc;
54 import java.util.GregorianCalendar JavaDoc;
55
56 /**
57  * Full date timespec, format is either yyyy/MM/dd HH:mm:ss or yyyy/MM/dd HH:mm:ss.count
58  *
59  * @author <a HREF="mailto:Nicola_Orru@scee.net">Nicola Orru'</a>
60  */
61 public class DateTimespec extends Timespec {
62     private static final Logger LOG = Logger.getLogger(DateTimespec.class);
63     private static final String JavaDoc DATETIME_FORMAT = "yyyy/MM/dd HH:mm:ss";
64     /**
65      * Convenience constant containing the KewordTimespec "now"
66      */
67     public static final KeywordTimespec NOW = new KeywordTimespec("now");
68     private Date JavaDoc date;
69
70     /**
71      * Creates a new DateTimespec without count (yyyy/MM/dd HH:mm:ss form)
72      *
73      * @param date the timespec date
74      */
75     public DateTimespec(Date JavaDoc date) {
76         this.date = date;
77     }
78
79     /**
80      * Creates a new DateTimespec without count (yyyy/MM/dd HH:mm:ss form) containing the current time
81      * "shifted" by the given amount of seconds
82      *
83      * @param secondsFromNow distance in seconds from "now" (e.g. 3600 means "one hour from now", -60 means "one
84      * minute ago").
85      */
86     public DateTimespec(int secondsFromNow) {
87         Calendar JavaDoc calendar = new GregorianCalendar JavaDoc();
88         calendar.add(Calendar.SECOND, secondsFromNow);
89         this.date = calendar.getTime();
90     }
91
92     /**
93      * Returns the formatted date
94      *
95      * @return the formatted date if date is not null or a blank string ig the date is null
96      */
97     public String JavaDoc format() {
98         if (date == null) {
99             return "";
100         }
101         return new SimpleDateFormat JavaDoc(DATETIME_FORMAT).format(date);
102     }
103
104     /**
105      * Parses a date from Accurev in the format <code>YYYY/MM/DD hh:mm:ss</code>
106      *
107      * @param date
108      * String containing the date to parse
109      * @return a new Date whose value reflects the date string
110      */
111     public static Date JavaDoc parse(String JavaDoc date) {
112         try {
113             return new SimpleDateFormat JavaDoc(DATETIME_FORMAT).parse(date);
114         } catch (ParseException JavaDoc e) {
115             LOG.error("Error parsing date " + date + " using format" + DATETIME_FORMAT);
116             return null;
117         }
118     }
119 }
120
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