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
}
%>