Examples of org.apache.velocity.tools.generic.DateTool

Package org.apache.velocity.tools.generic

Examples of org.apache.velocity.tools.generic.DateTool

org.apache.velocity.tools.generic.DateTool

Tool for working with {@link Date} and {@link Calendar}in Velocity templates. It is useful for accessing and formatting the "current" date as well as for formatting arbitrary {@link Date} and {@link Calendar} objects. Alsothe tool can be used to retrieve {@link DateFormat} instancesor make conversions to and from various date types.

 Example of formatting the "current" date: $date                         -> Oct 19, 2003 9:54:50 PM $date.long                    -> October 19, 2003 9:54:50 PM PDT $date.medium_time             -> 9:54:50 PM $date.full_date               -> Sunday, October 19, 2003 $date.get('default','short')  -> Oct 19, 2003 9:54 PM $date.get('yyyy-M-d H:m:s')   -> 2003-10-19 21:54:50 Example of formatting an arbitrary date: $myDate                        -> Tue Oct 07 03:14:50 PDT 2003 $date.format('medium',$myDate) -> Oct 7, 2003 3:14:50 AM Example tools.xml config (if you want to use this with VelocityView): <tools> <toolbox scope="application"> <tool class="org.apache.velocity.tools.generic.DateTool" format="yyyy-MM-dd"/> </toolbox> </tools>

The methods of this tool are highly interconnected, and overriding key methods provides an easy way to create subclasses that use a non-default format, calendar, locale, or timezone.

@author Nathan Bubna @since VelocityTools 1.0 @version $Revision: 545420 $ $Date: 2007-06-07 22:21:52 -0700 (Thu, 07 Jun 2007) $

    protected void assertStringEquals(String expected, Object testThis) {
        assertEquals(expected, String.valueOf(testThis));
    }


    public @Test void testDateTool() { /* TODO still incomplete */
        DateTool dateTool = (DateTool)toolbox.get("date");
        assertNotNull(dateTool);
        Date date = new GregorianCalendar(2007,0,2).getTime();
        String disp = "2007-01-02";
        String disp2 = "2007/01/02";
        /* check configured format */
        assertEquals("yyyy-MM-dd",dateTool.getFormat());
        /* test formatting */
        assertEquals(disp,dateTool.format(date));
        assertEquals(disp2,dateTool.format("yyyy/MM/dd",date));
        /* test parsing */
        assertEquals(2007,dateTool.getYear(disp));
        assertEquals(0,dateTool.getMonth(disp));
        assertEquals(2,dateTool.getDay(disp));
    }

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        assertEquals("myValue", context.get("myHelper"));
        assertTrue(context.get("math") instanceof MathTool);


        assertTrue(context.get("dateTool") instanceof DateTool);
        DateTool dateTool = (DateTool) context.get("dateTool");
        assertTrue(dateTool.getLocale().equals(Locale.CANADA));


        assertTrue(context.get("numberTool") instanceof NumberTool);
        NumberTool numberTool = (NumberTool) context.get("numberTool");
        assertTrue(numberTool.getLocale().equals(Locale.CANADA));
      }

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    Velocity.setProperty("file.resource.loader.path", xml.getParent());
    Velocity.setProperty("file.resource.loader.cache", false);
    Velocity.init();
    tmp = Velocity.getTemplate(xml.getName(),"UTF-8");
    context.put("convert", new ConversionTool());
    context.put("dateTool", new DateTool());
    context.put("mathTool", new MathTool());
    context.put("numberTool", new NumberTool());
    context.put("Math", new myMath());
  }

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