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37 package net.sourceforge.cruisecontrol.util;
38
39 import java.text.DateFormat  ;
40 import java.text.ParseException ;
41 import java.text.SimpleDateFormat ;
42 import java.util.Calendar ;
43 import java.util.Date ;
44 import java.util.TimeZone ;
45
46 import net.sourceforge.cruisecontrol.CruiseControlException;
47
48 import org.apache.log4j.Logger;
49
50 public final class DateUtil {
51
52 private static final Logger LOG = Logger.getLogger(DateUtil.class);
53
54 public static final transient long ONE_SECOND = 1000;
55
56 public static final long ONE_MINUTE = 60 * ONE_SECOND;
57
58 static final long ONE_HOUR = 60 * ONE_MINUTE;
59
60 public static final String SIMPLE_DATE_FORMAT = "yyyyMMddHHmmss";
61
62
65 private static final String CVS_DATE_PATTERN = "yyyy-MM-dd HH:mm:ss 'GMT'";
69
70 private static final TimeZone UTC = TimeZone.getTimeZone("Etc/UTC");
72
73 private DateUtil() {
74 }
75
76
83 public static int getTimeFromDate(Date date) {
84 Calendar calendar = Calendar.getInstance();
85 calendar.setTime(date);
86 int hour = calendar.get(Calendar.HOUR_OF_DAY) * 100;
87 int minute = calendar.get(Calendar.MINUTE);
88 return hour + minute;
89 }
90
91
94 public static long milliTimeDiffernce(int earlier, int later) {
95 return milliTimeDifference(earlier, later);
96 }
97
98
107 public static long milliTimeDifference(int earlier, int later) {
108 long earlierMillis = convertToMillis(earlier);
109 long laterMillis = convertToMillis(later);
110 return laterMillis - earlierMillis;
111 }
112
113
120 public static long convertToMillis(int hhmm) {
121 int minutes = hhmm % 100;
122 int hours = (hhmm - minutes) / 100;
123 return hours * ONE_HOUR + minutes * ONE_MINUTE;
124 }
125
126
131 public static String formatTime(long time) {
132 long seconds = time / 1000;
133 long hours = seconds / 3600;
134 long minutes = (seconds % 3600) / 60;
135 seconds = seconds % 60;
136
137 StringBuffer sb = new StringBuffer ();
138 if (hours != 0) {
139 sb.append(hours).append(" hours ");
140 }
141 if (minutes != 0) {
142 sb.append(minutes).append(" minutes ");
143 }
144 if (seconds != 0) {
145 sb.append(seconds).append(" seconds");
146 }
147
148 return sb.toString();
149 }
150
151
154 public static Date getMidnight() {
155 Calendar midnight = Calendar.getInstance();
156 midnight.set(Calendar.HOUR_OF_DAY, 0);
157 midnight.set(Calendar.MINUTE, 0);
158 midnight.set(Calendar.SECOND, 0);
159 midnight.set(Calendar.MILLISECOND, 0);
160 return midnight.getTime();
161 }
162
163 public static String getFormattedTime(Date date) {
164 if (date == null) {
165 return null;
166 }
167 return new SimpleDateFormat (SIMPLE_DATE_FORMAT).format(date);
168 }
169
170 public static Date parseFormattedTime(String timeString, String description) throws CruiseControlException {
171
172 Date date;
173 if (timeString == null) {
174 throw new IllegalArgumentException ("Null date string for " + description);
175 }
176 try {
177 date = new SimpleDateFormat (SIMPLE_DATE_FORMAT).parse(timeString);
178 } catch (ParseException e) {
179 LOG.error("Error parsing timestamp for [" + description + "]", e);
180 throw new CruiseControlException("Cannot parse string for " + description + ":" + timeString);
181 }
182
183 return date;
184 }
185
186
190 public static String formatCVSDate(Date date) {
191 DateFormat format = new SimpleDateFormat (CVS_DATE_PATTERN);
192 format.setTimeZone(UTC);
193 return format.format(date);
194 }
195
196
201 public static Date parseCVSDate(String text) throws ParseException {
202 DateFormat format = new SimpleDateFormat (CVS_DATE_PATTERN);
203 format.setTimeZone(UTC);
204 return format.parse(text);
205 }
206
207
210 public static String getDurationAsString(final long buildLength) {
211 long timeSeconds = buildLength / 1000;
212 long minutes = (timeSeconds / 60);
213 long seconds = timeSeconds - (minutes * 60);
214 return minutes + " minute(s) " + seconds + " second(s)";
215 }
216 }
217 |
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