[ANN] DateSelector in scratchpad

[Bernhard Huber <bh...@i-one.at>]

Inspired by the xmas style example of the RT CocoonBlocks
discussion I implemented a DateSelector.
Any comments are welcome
bye bernhard

The docu taken from the java source:

   A Selector depending on current date, and time.

    This selector matches when a configured date is before, respectivly
    after the current date, and time.

    You may want to use this selector to make the pipeline behaviour time
    dependent.

    The configuration of DataSelector configures for a symbolic name
    a compare-mode, and a date-time value.

    The compare mode is specified by the element name before, or after.
    The date-time value is specified by the attribute date. The attribute
    dateformat specifies the dateformat of the date-time value. Time 
only values
    are relative to the current date. Optionally you specify a country, and
    a language attribute for specifying the locale used in the 
date-value parsing.
    Per default the default locale is used.

     The following configuration example, sets partition a day into four 
time
     areas, each spanning six hours, giving them symbolic names night, 
morning,
     afternoon, and evening.

    <map:components>
    ...
      <map:selectors default="browser">
      ...
        <map:selector type="date" 
src="org.apache.cocoon.selection.DateSelector">
          <before name="night" date="06:00:00" dateformat="HH:mm:ss"/>
          <before name="morning" date="12:00:00" dateformat="HH:mm:ss"/>
          <before name="afternoon" date="18:00:00" dateformat="HH:mm:ss"/>
          <before name="evening" date="23:59:59" dateformat="HH:mm:ss"/>
        </map:selector>
      ...
      </map:selectors>
    ...
    </map:components>

    The above date selector definition is used to control the behaviour of a
    pipeline processing depending on the current time of day.

    <map:pipelines>
      <map:pipeline>
      ...
        <map:match pattern="&asterik;&asterik;/resources/*.css">
        <map:select type="date">
          <map:when test="night">
            <!-- do something for night publishing -->
            <map:read src="resources/{2}-night.css" mime-type="text/css>
          </map:when>
          <map:when test="morning">
            <!-- do something for night publishing -->
            <map:read src="resources/{2}-morning.css" mime-type="text/css>
          </map:when>
          ...
          <map:otherwise>
            <!-- define for completness, and if selecting fails due to 
errors -->
          </map:otherwise>
        </map:select>
      </map:pipeline>
    </map:pipelines>



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