1 | package com.ether; |
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2 | |
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3 | import org.apache.commons.logging.Log; |
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4 | import org.apache.commons.logging.LogFactory; |
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5 | import org.jetbrains.annotations.NotNull; |
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6 | import org.jetbrains.annotations.Nullable; |
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7 | |
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8 | import java.text.DateFormat; |
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9 | import java.text.ParseException; |
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10 | import java.text.SimpleDateFormat; |
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11 | import java.util.Calendar; |
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12 | import java.util.Date; |
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13 | import java.util.Locale; |
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14 | |
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15 | /** |
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16 | * @author vmipsl |
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17 | * @date 2011 |
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18 | */ |
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19 | public abstract class DateHelper |
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20 | { |
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21 | /** |
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22 | * Set the date with a default locale (french) |
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23 | * |
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24 | * @param date date to formate |
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25 | * @return a new date set to midnight |
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26 | */ |
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27 | public static Date to00h00m00s( final Date date ) |
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28 | { |
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29 | assert ( null != date ); |
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30 | final Calendar calendar = Calendar.getInstance( Locale.FRENCH ); |
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31 | |
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32 | return setMinimumFields( date, calendar ); |
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33 | } |
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34 | |
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35 | /** |
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36 | * Set the date with a default locale (french) |
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37 | * |
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38 | * @param date date to formate |
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39 | * @return a new date set to 23h 59m 59s |
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40 | */ |
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41 | public static Date to23h59m59s( final Date date ) |
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42 | { |
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43 | assert ( null != date ); |
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44 | final Calendar calendar = Calendar.getInstance( Locale.FRENCH ); |
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45 | |
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46 | return setMaximumFields( date, calendar ); |
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47 | } |
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48 | |
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49 | /** |
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50 | * Set the date using the given locale |
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51 | * |
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52 | * @param locale locale to use |
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53 | * @param date date to formate |
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54 | * @return a new date set to midnight |
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55 | */ |
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56 | public static Date to00h00m00s( final Locale locale, final Date date ) |
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57 | { |
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58 | assert ( null != date ); |
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59 | final Calendar calendar = Calendar.getInstance( locale ); |
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60 | |
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61 | return setMinimumFields( date, calendar ); |
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62 | } |
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63 | |
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64 | /** |
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65 | * Set the date using the given locale |
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66 | * |
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67 | * @param locale locale to use |
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68 | * @param date date to formate |
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69 | * @return a new date set to 23h 59m 59s |
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70 | */ |
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71 | public static Date to23h59m59s( final Locale locale, final Date date ) |
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72 | { |
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73 | assert ( null != date ); |
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74 | final Calendar calendar = Calendar.getInstance( locale ); |
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75 | |
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76 | return setMaximumFields( date, calendar ); |
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77 | } |
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78 | |
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79 | |
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80 | private static Date setMinimumFields( final Date date, final Calendar calendar ) |
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81 | { |
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82 | calendar.setTime( date ); |
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83 | calendar.set( Calendar.HOUR_OF_DAY, calendar.getMinimum( Calendar.HOUR_OF_DAY ) ); |
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84 | calendar.set( Calendar.MINUTE, calendar.getMinimum( Calendar.MINUTE ) ); |
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85 | calendar.set( Calendar.SECOND, calendar.getMinimum( Calendar.SECOND ) ); |
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86 | |
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87 | return calendar.getTime(); |
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88 | } |
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89 | |
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90 | private static Date setMaximumFields( final Date date, final Calendar calendar ) |
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91 | { |
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92 | calendar.setTime( date ); |
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93 | calendar.set( Calendar.HOUR_OF_DAY, calendar.getMaximum( Calendar.HOUR_OF_DAY ) ); |
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94 | calendar.set( Calendar.MINUTE, calendar.getMaximum( Calendar.MINUTE ) ); |
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95 | calendar.set( Calendar.SECOND, calendar.getMaximum( Calendar.SECOND ) ); |
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96 | |
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97 | return calendar.getTime(); |
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98 | } |
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99 | |
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100 | public static String shortFormatFrench( final Date date ) |
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101 | { |
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102 | return formatDate( date, FRENCH_DATE_PATTERN_SHORT ); |
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103 | } |
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104 | |
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105 | public static String shortFormat( final Date date, final Locale locale ) |
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106 | { |
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107 | if( date == null ) |
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108 | return ""; |
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109 | |
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110 | final DateFormat dateFormat = DateFormat.getDateInstance( DateFormat.SHORT, locale ); |
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111 | |
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112 | return dateFormat.format( date ); |
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113 | } |
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114 | |
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115 | public static String orderedFormat( final Date date ) |
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116 | { |
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117 | return formatDate( date, ORDERED_FORMAT ); |
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118 | } |
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119 | |
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120 | public static String orderedFormatPlusGMT( final Date date ) |
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121 | { |
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122 | return formatDate( date, ORDERED_FORMAT_PLUS_GMT ); |
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123 | } |
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124 | |
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125 | public static String formatDate( @Nullable final Date date, final String format ) |
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126 | { |
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127 | if( date == null ) |
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128 | return ""; |
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129 | |
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130 | final SimpleDateFormat simpleDateFormat = new SimpleDateFormat( format ); |
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131 | return simpleDateFormat.format( date ); |
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132 | } |
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133 | |
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134 | @Nullable |
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135 | public static Date parseDate( @Nullable final String date, final String format ) |
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136 | throws ParseException |
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137 | { |
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138 | if( date == null ) |
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139 | return null; |
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140 | |
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141 | final SimpleDateFormat simpleDateFormat = new SimpleDateFormat( format ); |
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142 | return simpleDateFormat.parse( date ); |
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143 | } |
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144 | |
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145 | /** |
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146 | * This method add some hours to a date |
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147 | * |
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148 | * @param date |
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149 | * @param hoursNumber |
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150 | * @return |
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151 | */ |
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152 | public static Date addHourToDate( @NotNull final Date date, @NotNull final Integer hoursNumber ) |
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153 | { |
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154 | final Calendar calendar = Calendar.getInstance(); |
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155 | calendar.setTime( date ); |
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156 | calendar.add( Calendar.HOUR, hoursNumber ); |
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157 | return calendar.getTime(); |
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158 | } |
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159 | |
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160 | private static final Log LOGGER = LogFactory.getLog( DateHelper.class ); |
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161 | |
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162 | public static final String FRENCH_DATE_PATTERN_SHORT = "dd/MM/yyyy"; |
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163 | public static final String ENGLISH_DATE_PATTERN_SHORT = "yyyy-MM-dd"; |
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164 | public static final String ENGLISH_DATE_PATTERN = "yyyy-MM-dd HH:mm"; |
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165 | |
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166 | public static final String ORDERED_FORMAT_PLUS_GMT = "yyyy-MM-dd HH:mm:ss.SSSS Z"; |
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167 | public static final String ORDERED_FORMAT = "yyyy-MM-dd HH:mm:ss.SSSS"; |
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168 | } |
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