Hi, if you need to make previous business day calculation, you could/should create a custom task doing exactly this.
Regards, Antoine -------- Original-Nachricht -------- Datum: Fri, 4 Aug 2006 08:59:16 -0500 Von: "Dominique Devienne" <[EMAIL PROTECTED]> An: "Ant Users List" <user@ant.apache.org> Betreff: Re: RE: Setting the value of a property conditonally > > I'm faced with a situation that calls for me to select the previous > "business day". In the U.S. business days are generally Mon, Tue, Wed, Thu, > Fri, with Saturday and Sunday not usually counted. > > > > On most days of the week, the previous business day is the current date > - 1 day. On Monday however, the previous business day is the current date - > 3 days. > > > > Federal holidays complicate the matter further. In the U.S. most federal > holidays are observed on Mondays. Therefore, on a Tuesday following a > Monday that is a federal holiday, the previous business day is the current > date > - 4 days. > > > > Some federal holidays do occur on other days, so on days following one > of these, the previous business day is the current date - 2 days (unless, of > course, the federal holiday falls on a non-business day). > > > > This is all fairly easily handled in XSLT using the <xsl:choose> element > and a list of the dates on which federal holidays are observed. > > > > I have worked out an alternative plan that calls for using the <xslt> > task to process the file containing the list of federal holidays and create a > new XML file holding the data I want. I could then use the <xmlproperty> > element to set the values of the properties. > > > > I don't really want to create an intermediate file to perform this task, > so I'm asking if there is any other way to achieve this result in Ant that > I'm not seeing because I have the wrong mental model. > > Ant itself refrains from providing tools (tasks/types) that would make > it easy to (ab)use it as a programing language. It aims at being very > declarative, and not scripty. The rational is that it's very easy to > abstract or hide away the scripty part in smart tasks, and since Ant > is easy to extend (once the initial learning curve hump is past), in > Java code or using true scripting language, it's the recommended way. > > That said, the Ant-Contrib project supplements Ant with <for>, <if>, > <switch>, <try/catch>, etc... Except for <for>, I've used it seldom, > or only initialy to prototype something before migrating the same > logic into custom tasks. --DD > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]