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34 package info.magnolia.cms.util;
35
36 import info.magnolia.context.MgnlContext;
37 import org.apache.commons.lang.StringUtils;
38 import org.apache.commons.lang.time.DateFormatUtils;
39 import org.apache.commons.lang.time.DateUtils;
40 import org.apache.commons.lang.time.FastDateFormat;
41
42 import java.text.DateFormat;
43 import java.text.ParseException;
44 import java.text.SimpleDateFormat;
45 import java.util.Calendar;
46 import java.util.Date;
47 import java.util.Locale;
48 import java.util.TimeZone;
49
50
51
52
53
54 public class DateUtil {
55
56 public static final String FORMAT_DATE_SHORT = "date short";
57
58 public static final String FORMAT_DATE_MEDIUM = "date";
59
60 public static final String FORMAT_DATE_LONG = "date long";
61
62 public static final String FORMAT_DATETIME_SHORT = "datetime short";
63
64 public static final String FORMAT_DATETIME_MEDIUM = "datetime";
65
66 public static final String FORMAT_DATETIME_LONG = "datetime long";
67
68 public static final String FORMAT_TIME_SHORT = "time short";
69
70 public static final String FORMAT_TIME_MEDIUM = "time";
71
72 public static final String FORMAT_TIME_LONG = "time long";
73
74
75
76
77 public static final String FORMAT_DEFAULTPATTERN = "yyyy-MM-dd'T'HH:mm:ss.SZ";
78
79 public static final String YYYY_MM_DD = "yyyy-MM-dd";
80
81 public static final String YYYY_MM_DD_T_HH_MM_SS = "yyyy-MM-dd' 'HH:mm:ss";
82
83 public static final TimeZone UTC_TIME_ZONE = TimeZone.getTimeZone("UTC");
84
85
86
87
88 private DateUtil() {
89 }
90
91
92
93
94 public static String format(Date date, String formatPattern) {
95 return format(date, formatPattern, Locale.getDefault());
96 }
97
98 public static String format(Date date, String formatPattern, Locale locale) {
99 if(date == null){
100 return StringUtils.EMPTY;
101 }
102
103 if (formatPattern == null) {
104 formatPattern = FORMAT_DEFAULTPATTERN;
105 }
106
107 if(FORMAT_DATE_SHORT.equals(formatPattern)){
108 return SimpleDateFormat.getDateInstance(SimpleDateFormat.SHORT, locale).format(date);
109 }
110 else if (FORMAT_DATE_MEDIUM.equals(formatPattern)){
111 return SimpleDateFormat.getDateInstance(SimpleDateFormat.MEDIUM, locale).format(date);
112 }
113 else if (FORMAT_DATE_LONG.equals(formatPattern)){
114 return SimpleDateFormat.getDateInstance(SimpleDateFormat.LONG, locale).format(date);
115 }
116 else if (FORMAT_TIME_SHORT.equals(formatPattern)){
117 return SimpleDateFormat.getTimeInstance(SimpleDateFormat.SHORT,locale).format(date);
118 }
119 else if (FORMAT_TIME_MEDIUM.equals(formatPattern)){
120 return SimpleDateFormat.getTimeInstance(SimpleDateFormat.MEDIUM,locale).format(date);
121 }
122 else if (FORMAT_TIME_LONG.equals(formatPattern)){
123 return SimpleDateFormat.getTimeInstance(SimpleDateFormat.LONG,locale).format(date);
124 }
125 else if (FORMAT_DATETIME_SHORT.equals(formatPattern)){
126 return SimpleDateFormat.getDateTimeInstance(SimpleDateFormat.SHORT,SimpleDateFormat.SHORT,locale).format(date);
127 }
128 else if (FORMAT_DATETIME_MEDIUM.equals(formatPattern)){
129 return SimpleDateFormat.getDateTimeInstance(SimpleDateFormat.MEDIUM, SimpleDateFormat.MEDIUM, locale).format(date);
130 }
131 else if (FORMAT_DATETIME_LONG.equals(formatPattern)){
132 return SimpleDateFormat.getDateTimeInstance(SimpleDateFormat.LONG, SimpleDateFormat.LONG, locale).format(date);
133 }
134 else {
135 return DateFormatUtils.format(date, formatPattern, locale);
136 }
137 }
138
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142
143
144 public static String formatDateTime(Object val) {
145 if(val == null){
146 return StringUtils.EMPTY;
147 }
148 FastDateFormat format = FastDateFormat.getDateTimeInstance(
149 FastDateFormat.SHORT,
150 FastDateFormat.SHORT,
151 MgnlContext.getLocale());
152 return format.format(val);
153 }
154
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158
159
160 public static String formatDate(Object val) {
161 if(val == null){
162 return StringUtils.EMPTY;
163 }
164 FastDateFormat format = FastDateFormat.getDateInstance(
165 FastDateFormat.SHORT,
166 MgnlContext.getLocale());
167 return format.format(val);
168 }
169
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174
175 public static Date parseDateTime(String dateStr) throws ParseException {
176 DateFormat format = SimpleDateFormat.getDateTimeInstance(
177 FastDateFormat.SHORT,
178 FastDateFormat.SHORT,
179 MgnlContext.getLocale());
180 return (Date)format.parseObject(dateStr);
181 }
182
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186
187
188 public static Date parseDate(String dateStr) throws ParseException {
189 DateFormat format = SimpleDateFormat.getDateInstance(
190 FastDateFormat.SHORT,
191 MgnlContext.getLocale());
192 return format.parse(dateStr);
193 }
194
195
196
197
198 public static Calendar getLocalCalendarFromUTC(Calendar utc) {
199 Date valueDate = utc.getTime();
200 Calendar c = Calendar.getInstance();
201 c.setTime(valueDate);
202 return c;
203 }
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207
208 public static Calendar getUTCCalendarFromDialogString(String dateString) throws ParseException {
209 SimpleDateFormat sdf = (dateString.length() > YYYY_MM_DD.length())
210 ? new SimpleDateFormat(YYYY_MM_DD_T_HH_MM_SS)
211 : new SimpleDateFormat(YYYY_MM_DD);
212 return getUTCCalendarFromLocalDate(sdf.parse(dateString));
213 }
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217
218 public static Calendar getUTCCalendarFromLocalDate(Date date) {
219 Calendar instance = getCurrentUTCCalendar();
220 instance.setTimeInMillis(date.getTime());
221 return instance;
222 }
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225
226
227 public static Calendar getCurrentUTCCalendar() {
228 return Calendar.getInstance(UTC_TIME_ZONE);
229 }
230
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233
234 public static String createDateExpression(Calendar calendar) {
235 return "DATE '" + DateFormatUtils.format(calendar.getTimeInMillis(), "yyyy-MM-dd", calendar.getTimeZone()) + "'";
236 }
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240
241 public static String createDateTimeExpression(Calendar calendar) {
242 calendar.set(Calendar.MILLISECOND, 0);
243 StringBuffer str = new StringBuffer("TIMESTAMP '");
244 str.append(DateFormatUtils.format(calendar.getTime(), "yyyy-MM-dd'T'HH:mm:ss.SSSZ", calendar.getTimeZone()));
245 str.insert(str.length() - 2, ":");
246 str.append("'");
247 return str.toString();
248 }
249
250
251
252
253 public static String createDateTimeExpressionIgnoreTimeZone(Calendar calendar) {
254 Calendar utc = Calendar.getInstance(DateUtils.UTC_TIME_ZONE);
255 utc.setTimeInMillis(calendar.getTimeInMillis() + calendar.getTimeZone().getRawOffset());
256 return createDateTimeExpression(utc);
257 }
258 }