[Jboss-svn-commits] JBL Code SVN: r1495 - in trunk/labs/kosmos/src/java/hu/midori/kosmos/portlet: . taglib

[<jbo...@li...>]

Author: aron.gombas
Date: 2005-11-03 15:01:50 -0500 (Thu, 03 Nov 2005)
New Revision: 1495

Added:
   trunk/labs/kosmos/src/java/hu/midori/kosmos/portlet/taglib/
   trunk/labs/kosmos/src/java/hu/midori/kosmos/portlet/taglib/AgeTag.java
Log:
Shit, this was missing!

Added: trunk/labs/kosmos/src/java/hu/midori/kosmos/portlet/taglib/AgeTag.java
===================================================================
--- trunk/labs/kosmos/src/java/hu/midori/kosmos/portlet/taglib/AgeTag.java	2005-11-03 19:43:12 UTC (rev 1494)
+++ trunk/labs/kosmos/src/java/hu/midori/kosmos/portlet/taglib/AgeTag.java	2005-11-03 20:01:50 UTC (rev 1495)
@@ -0,0 +1,88 @@
+/*
+ * Kosmos.
+ *
+ * Distributable under LGPL license.
+ * See terms of license at gnu.org.
+ */
+package hu.midori.kosmos.portlet.taglib;
+
+import java.io.IOException;
+import java.text.NumberFormat;
+import java.util.Locale;
+import java.util.ResourceBundle;
+
+import javax.servlet.jsp.JspException;
+import javax.servlet.jsp.jstl.core.Config;
+import javax.servlet.jsp.tagext.TagSupport;
+
+/**
+ * Displays localized "age" information: time difference between
+ * "now" and the given "birth" value, in the most appropriate unit of
+ * minutes, hours, days, weeks and such.
+ * It uses the <code>Locale</code> set for JSTL, so doesn't require
+ * additional configuration.
+ * 
+ * @author <a href="mailto:aro...@mi...">Aron Gombas</a>
+ * @version $Id$
+ */
+public class AgeTag extends TagSupport {
+	/** @see #setTime(String) */
+	private String time;
+	/** Localized string resources. */
+	private static ResourceBundle res;
+	
+	/** Sets the millisecond of the "birth" value used for computing the age. */
+	public void setTime(String time) {
+		this.time = time;
+	}
+
+	@Override
+	public int doStartTag() throws JspException {			
+		res = ResourceBundle.getBundle("kosmos-taglib", new Locale((String)Config.find(pageContext, Config.FMT_LOCALE)));
+
+		long milliseconds = Long.parseLong(time);
+		long value = 0;
+		String unit = null;
+
+		long minutes = milliseconds / (60*1000);		
+		if(minutes < 2*60) {
+			value = minutes;
+			unit = res.getString("age.minutes");
+		} else {		
+			long hours = minutes / 60;
+			if(hours < 48) {
+				value = hours;
+				unit = res.getString("age.hours");
+			} else {			
+				long days = hours / 24;
+				if(days < 3*7) {
+					value = days;
+					unit = res.getString("age.days");
+				} else {
+					long weeks = days / 7;
+					if(weeks < 10) {
+						value = weeks;
+						unit = res.getString("age.weeks");
+					} else {
+						long months = days / 30;
+						if(months < 24) {
+							value = months;
+							unit = res.getString("age.months");							
+						} else {							
+							value = months / 12; 
+							unit = res.getString("age.years");
+						}
+					}
+				}
+			}
+		}
+		
+		try {
+			pageContext.getOut().print(String.format("%s %s", NumberFormat.getIntegerInstance().format(value), unit));
+		} catch(IOException ex) {
+			throw new JspException(ex);
+		}
+		
+		return SKIP_BODY;
+	}
+}