sort
Please make sure you have read the Tag Syntax document and understand how tag attribute syntax works.
Description
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.
Sort a List using a Comparator both passed in as the tag attribute.
Attributes
Dynamic Attributes Allowed:false |
|||||
Name |
Required |
Default |
Evaluated |
Type |
Description |
|---|---|---|---|---|---|
| comparator | true | false | java.util.Comparator | The comparator to use | |
| performClearTagStateForTagPoolingServers | false | false | false | Boolean | Whether to clear all tag state during doEndTag() processing |
| 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
Example 1
<s:sort comparator="myComparator" source="myList">
<s:iterator>
<!-- do something with each sorted elements -->
<s:property value="..." />
</s:iterator>
</s:sort>
Example 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
}
%>