{"id":12952,"date":"2014-04-13T17:53:27","date_gmt":"2014-04-13T12:23:27","guid":{"rendered":"https:\/\/2thenew.online\/blog\/?p=12952"},"modified":"2014-04-13T17:53:27","modified_gmt":"2014-04-13T12:23:27","slug":"iterate-through-two-distinct-dates-groovy-2-2","status":"publish","type":"post","link":"https:\/\/2thenew.online\/blog\/iterate-through-two-distinct-dates-groovy-2-2\/","title":{"rendered":"Iterate through two distinct dates – Groovy 2.2"},"content":{"rendered":"

Hi everyone,<\/p>\n

Ever wished for a ‘groovier’ way to iterate through two distinct dates? Well, Groovy 2.2 gives you two methods via the ‘DateGroovyMethods’ class to do exactly that: upto()<\/strong> and downto().<\/strong><\/p>\n

Here is the code showing the usage:
\n[java]
\nDate startDate = new Date() – 7
\nDate endDate = new Date()<\/p>\n

startDate.upto(endDate) { it -> \/\/ ‘it’ – here is a Date object <\/p>\n

\/\/ Some business logic involving dates – for ex. build up the total amount for last 7 days’ transactions<\/p>\n

}<\/p>\n

endDate.downto(startDate) { it -> \/\/ this iterates through the dates but in reverse order <\/p>\n

\/\/ Some business logic involving dates<\/p>\n

}
\n[\/java]<\/p>\n

These upto() and downto() methods even work on Calendar instances as well.<\/p>\n

Please note that these are just the convenience methods added in Groovy 2.2. Prior to 2.2 release, we could have achieved the same behavior via Groovy Ranges i.e.<\/p>\n

[java]
\nDate startDate = new Date() – 7
\nDate endDate = new Date()<\/p>\n

(startDate..endDate).each { it -><\/p>\n

\/\/ Some business logic involving dates<\/p>\n

}
\n[\/java]<\/p>\n","protected":false},"excerpt":{"rendered":"

Hi everyone, Ever wished for a ‘groovier’ way to iterate through two distinct dates? Well, Groovy 2.2 gives you two methods via the ‘DateGroovyMethods’ class to do exactly that: upto() and downto(). Here is the code showing the usage: [java] Date startDate = new Date() – 7 Date endDate = new Date() startDate.upto(endDate) { it […]<\/p>\n","protected":false},"author":15,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"iawp_total_views":19,"footnotes":""},"categories":[7],"tags":[1386,1385,9,1384],"class_list":["post-12952","post","type-post","status-publish","format-standard","hentry","category-grails","tag-calendar","tag-dates","tag-groovy","tag-groovy-dates"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t