formatDate

def formatDate = { attrs ->
    	def date
    	if (attrs.containsKey('date')) {
        	date = attrs.get('date')
        	if(date == null) return null
    	}
    	else {
            date = new Date()
    	}
    	def locale = resolveLocale(attrs.get('locale'))
    	def timeStyle = null
    	def dateStyle = null
    	if(attrs.get('style') != null) {
    		def style=attrs.get('style').toString().toUpperCase()
    		timeStyle = style
    		dateStyle = style
    	}
    	if(attrs.get('dateStyle') != null) {
    		dateStyle=attrs.get('dateStyle').toString().toUpperCase()
    	}
    	if(attrs.get('timeStyle') != null) {
    		timeStyle=attrs.get('timeStyle').toString().toUpperCase()
    	}
    	def type = attrs.get('type')?.toString()?.toUpperCase()
        def formatName = attrs.get('formatName')
        def format = attrs.get('format')
        def timeZone = attrs.get('timeZone')
        if(timeZone!=null) {
        	if(!(timeZone instanceof TimeZone)) {
        		timeZone = TimeZone.getTimeZone(timeZone as String)
        	} 
        } else {
        	timeZone = TimeZone.getDefault()
        }
        def dateFormat
        if(!type) {
	        if(!format && formatName) {
	            format = messageHelper(formatName,null,null,locale)
	            if(!format) throwTagError("Attribute [formatName] of Tag [formatDate] specifies a format key [$formatName] that does not exist within a message bundle!")
	        }
	        else if (!format) {
	            format = messageHelper('date.format', { messageHelper('default.date.format', 'yyyy-MM-dd HH:mm:ss z', null, locale) }, null, locale)
	        }
	        dateFormat = FastDateFormat.getInstance(format, timeZone, locale)
        } else {
        	if(type=='DATE') {
    	        dateFormat = FastDateFormat.getDateInstance(parseStyle(dateStyle), timeZone, locale)
        	} else if (type=='TIME') {
        		dateFormat = FastDateFormat.getTimeInstance(parseStyle(timeStyle), timeZone, locale)
        	} else { // 'both' or 'datetime'
        		dateFormat = FastDateFormat.getDateTimeInstance(parseStyle(dateStyle), parseStyle(timeStyle), timeZone, locale)
        	}
        }
        return dateFormat.format(date)
    }
     def parseStyle(styleStr) {
      	def style=FastDateFormat.SHORT
    	if(styleStr=='FULL') {
    		style=FastDateFormat.FULL
    	} else if (styleStr=='LONG') {
    		style=FastDateFormat.LONG
    	} else if (styleStr=='MEDIUM') {
    		style=FastDateFormat.MEDIUM
    	}
      	return style
     }