Human File Size
jeesl:humanFileSize(sizeInLong) is a function that convert long value of file size to readable file size like 1kb, 2mb or 1gb.
| Long | Text |
|---|---|
| 3 | 3 B |
| 51 | 51 B |
| 260 | 260 B |
| 7183 | 7.2 kB |
| 73526 | 73.5 kB |
| 860109 | 860.1 kB |
| 1331061 | 1.3 MB |
| 6263183 | 6.3 MB |
| 805725002 | 805.7 MB |
| 560811856 | 560.8 MB |
<p:dataTable var="l" value="#{humanFileSizeBean.list}" styleClass="jeesl-datatable">
<p:column headerText="Long">
<h:outputText value="#{l}"/>
</p:column>
<p:column headerText="Text">
<h:outputText value="#{jeesl:humanFileSize(l)}"/>
</p:column>
</p:dataTable>
@Named @ViewScoped
public class HumanFileSizeBean extends AbstractJeeBean implements Serializable
{
final static Logger logger = LoggerFactory.getLogger(HumanFileSizeBean.class);
private static final long serialVersionUID = 1L;
private List<Long> list;
public List<Long> getList(){return list;}
@PostConstruct
public void init()
{
super.initSecurity();
showcase();
}
private void showcase()
{
Random rnd = new Random();
list = new ArrayList<>();
for(int i=1;i<=10;i++)
{
int pow = (int)Math.pow(10,i);
list.add(Integer.valueOf(rnd.nextInt(pow)).longValue());
}
}
}