| Please make sure you have read the Tag Syntax document and understand how tag attribute syntax works. |
Description
NOTE: JSP-TAG
A Tag that sorts a List using a Comparator both passed in as the tag attribute.
If 'var' attribute is specified, the sorted list will be placed into the PageContext
attribute using the key specified by 'var'. The sorted list will ALWAYS be
pushed into the stack and poped at the end of this tag.
Parameters
Dynamic Attributes Allowed: false |
|
Name |
Required |
Default |
Evaluated |
Type |
Description |
comparator |
true |
|
false |
java.util.Comparator |
The comparator to use |
id |
false |
|
false |
String |
Deprecated. Use 'var' instead |
source |
false |
|
false |
String |
The iterable source to sort |
var |
false |
|
false |
String |
The name to store the resultant iterator into page context, if such name is supplied |
Examples
USAGE 1:
<s:sort comparator="myComparator" source="myList">
<s:iterator>
<s:property value="..." />
</s:iterator>
</s:sort>
USAGE 2:
<s:sort var="mySortedList" comparator="myComparator" source="myList" />
<%
Iterator sortedIterator = (Iterator) pageContext.getAttribute("mySortedList");
for (Iterator i = sortedIterator; i.hasNext(); ) {
// do something with each of the sorted elements
}
%>