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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
55 public class DateUtil {
56
57 public static final String FORMAT_DATE_SHORT = "date short";
58
59 public static final String FORMAT_DATE_MEDIUM = "date";
60
61 public static final String FORMAT_DATE_LONG = "date long";
62
63 public static final String FORMAT_DATETIME_SHORT = "datetime short";
64
65 public static final String FORMAT_DATETIME_MEDIUM = "datetime";
66
67 public static final String FORMAT_DATETIME_LONG = "datetime long";
68
69 public static final String FORMAT_TIME_SHORT = "time short";
70
71 public static final String FORMAT_TIME_MEDIUM = "time";
72
73 public static final String FORMAT_TIME_LONG = "time long";
74
75
76
77
78 public static final String FORMAT_DEFAULTPATTERN = "yyyy-MM-dd'T'HH:mm:ss.SZ";
79
80 public static final String YYYY_MM_DD = "yyyy-MM-dd";
81
82 public static final String HH_MM_SS = "HH:mm:ss";
83
84 public static final String YYYY_MM_DD_T_HH_MM_SS = "yyyy-MM-dd' 'HH:mm:ss";
85
86 public static final TimeZone UTC_TIME_ZONE = TimeZone.getTimeZone("UTC");
87
88
89
90
91 private DateUtil() {
92 }
93
94
95
96
97 public static String format(Date date, String formatPattern) {
98 return format(date, formatPattern, Locale.getDefault());
99 }
100
101 public static String format(Date date, String formatPattern, Locale locale) {
102 if(date == null){
103 return StringUtils.EMPTY;
104 }
105
106 if (formatPattern == null) {
107 formatPattern = FORMAT_DEFAULTPATTERN;
108 }
109
110 if(FORMAT_DATE_SHORT.equals(formatPattern)){
111 return SimpleDateFormat.getDateInstance(SimpleDateFormat.SHORT, locale).format(date);
112 }
113 else if (FORMAT_DATE_MEDIUM.equals(formatPattern)){
114 return SimpleDateFormat.getDateInstance(SimpleDateFormat.MEDIUM, locale).format(date);
115 }
116 else if (FORMAT_DATE_LONG.equals(formatPattern)){
117 return SimpleDateFormat.getDateInstance(SimpleDateFormat.LONG, locale).format(date);
118 }
119 else if (FORMAT_TIME_SHORT.equals(formatPattern)){
120 return SimpleDateFormat.getTimeInstance(SimpleDateFormat.SHORT,locale).format(date);
121 }
122 else if (FORMAT_TIME_MEDIUM.equals(formatPattern)){
123 return SimpleDateFormat.getTimeInstance(SimpleDateFormat.MEDIUM,locale).format(date);
124 }
125 else if (FORMAT_TIME_LONG.equals(formatPattern)){
126 return SimpleDateFormat.getTimeInstance(SimpleDateFormat.LONG,locale).format(date);
127 }
128 else if (FORMAT_DATETIME_SHORT.equals(formatPattern)){
129 return SimpleDateFormat.getDateTimeInstance(SimpleDateFormat.SHORT,SimpleDateFormat.SHORT,locale).format(date);
130 }
131 else if (FORMAT_DATETIME_MEDIUM.equals(formatPattern)){
132 return SimpleDateFormat.getDateTimeInstance(SimpleDateFormat.MEDIUM, SimpleDateFormat.MEDIUM, locale).format(date);
133 }
134 else if (FORMAT_DATETIME_LONG.equals(formatPattern)){
135 return SimpleDateFormat.getDateTimeInstance(SimpleDateFormat.LONG, SimpleDateFormat.LONG, locale).format(date);
136 }
137 else {
138 return DateFormatUtils.format(date, formatPattern, locale);
139 }
140 }
141
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145
146
147 public static String formatDateTime(Object val) {
148 if(val == null){
149 return StringUtils.EMPTY;
150 }
151 FastDateFormat format = FastDateFormat.getDateTimeInstance(
152 FastDateFormat.SHORT,
153 FastDateFormat.SHORT,
154 MgnlContext.getLocale());
155 return format.format(val);
156 }
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162
163 public static String formatDate(Object val) {
164 if(val == null){
165 return StringUtils.EMPTY;
166 }
167 FastDateFormat format = FastDateFormat.getDateInstance(
168 FastDateFormat.SHORT,
169 MgnlContext.getLocale());
170 return format.format(val);
171 }
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178
179 public static Date parseDateTime(String dateStr) throws ParseException {
180 DateFormat format = SimpleDateFormat.getDateTimeInstance(
181 FastDateFormat.SHORT,
182 FastDateFormat.SHORT,
183 MgnlContext.getLocale());
184 return (Date)format.parseObject(dateStr);
185 }
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192
193 public static Date parseDate(String dateStr) throws ParseException {
194 DateFormat format = SimpleDateFormat.getDateInstance(
195 FastDateFormat.SHORT,
196 MgnlContext.getLocale());
197 return format.parse(dateStr);
198 }
199
200
201
202
203 public static Calendar getLocalCalendarFromUTC(Calendar utc) {
204 Date valueDate = utc.getTime();
205 Calendar c = Calendar.getInstance();
206 c.setTime(valueDate);
207 return c;
208 }
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211
212
213 public static Calendar getUTCCalendarFromDialogString(String dateString) throws ParseException {
214 SimpleDateFormat sdf = (dateString.length() > YYYY_MM_DD.length())
215 ? new SimpleDateFormat(YYYY_MM_DD_T_HH_MM_SS)
216 : new SimpleDateFormat(YYYY_MM_DD);
217 return getUTCCalendarFromLocalDate(sdf.parse(dateString));
218 }
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221
222
223 public static Calendar getUTCCalendarFromDialogString(String dateString, String format) throws ParseException {
224 SimpleDateFormat sdf = new SimpleDateFormat(format);
225 return getUTCCalendarFromLocalDate(sdf.parse(dateString));
226 }
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228
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230
231 public static Calendar getUTCCalendarFromLocalDate(Date date) {
232 Calendar instance = getCurrentUTCCalendar();
233 instance.setTimeInMillis(date.getTime());
234 return instance;
235 }
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239
240 public static Calendar getCurrentUTCCalendar() {
241 return Calendar.getInstance(UTC_TIME_ZONE);
242 }
243
244
245
246
247 public static String createDateExpression(Calendar calendar) {
248 return "DATE '" + DateFormatUtils.format(calendar.getTimeInMillis(), "yyyy-MM-dd", calendar.getTimeZone()) + "'";
249 }
250
251
252
253
254 public static String createDateTimeExpression(Calendar calendar) {
255 calendar.set(Calendar.MILLISECOND, 0);
256 StringBuffer str = new StringBuffer("TIMESTAMP '");
257 str.append(DateFormatUtils.format(calendar.getTime(), "yyyy-MM-dd'T'HH:mm:ss.SSSZ", calendar.getTimeZone()));
258 str.insert(str.length() - 2, ":");
259 str.append("'");
260 return str.toString();
261 }
262
263
264
265
266 public static String createDateTimeExpressionIgnoreTimeZone(Calendar calendar) {
267 Calendar utc = Calendar.getInstance(DateUtils.UTC_TIME_ZONE);
268 utc.setTimeInMillis(calendar.getTimeInMillis() + calendar.getTimeZone().getRawOffset());
269 return createDateTimeExpression(utc);
270 }
271 }