The <x: parse> tag is used to parse the xml content and the result will be stored in specified variable.
Syntax Of <x: parse> Tag
[code lang=”html”]
<x: parse attributes> body content </x: parse>
[/code]
Attributes Of <x: parse> Tag
| Attributes | Description |
| doc | Specifies that source XML document to be parsed. |
| systemId | Specifies the system identifier in xml document for parsing. |
| filter | Filter object is been used in xml document to filter the document. |
| var | It specifies the variable name which stores parse xml document. |
| scope | The Scope into which the variable attribute has to be set. |
| varDom | Specifies the variable name of the parsed xml document has to be set. |
| scopeDom | Specifies the scope of varDom attribute has to be set. |
Example
Listing 1: xParse.xml file
[code lang=”html”]
<fruits>
<fruit>
<name>Grapes</name>
<price>40/kg</price>
</fruit>
<fruit>
<name>Orange</name>
<price>30/kg</price>
</fruit>
<fruit>
<name>Apple</name>
<price>90/kg</price>
</fruit>
</fruits>
[/code]
Listing 2: example.jsp file
[code lang=”html”]
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ taglib prefix="x" uri="http://java.sun.com/jsp/jstl/xml" %>
<html>
<head>
<title> x:parse Tags</title>
</head>
<body>
<h3>Fruits Information:</h3>
<c:import var="fruitinfo" url="xParse.xml"/>
<x:parse xml="${fruitinfo}" var="output"/>
<b>Name of the Fruit is</b>:
<x:out select="$output/fruits/fruit[1]/name" /><br>
<b>The price of the Apple</b>:
<x:out select="$output/fruits/fruit[3]/price" />
</body>
</html>
[/code]
Details of the Code
- <c:import var=”fruitinfo” url=”xParse.xml”/> tag is used to include the content of another resource in the current JSP.
- <x:parse xml=”${fruitinfo}” var=”output”/> tag is used to parse the xml content and the result is been stored in specified variable.
- <x:out select=”$output/fruits/fruit[1]/name” /> tag is used to display the particular fruit name in the output.
- <x:out select=”$output/fruits/fruit[3]/price” /> tag is used to display the price of the particular fruit which we want.
Steps for Execution
Before executing the xml programs we should add jar files in eclipse namely:
xalan-2.7.0.jar
<
- Save this file as example.jsp in your eclipse IDE.
- Now select this jsp file, right mouse click and select Run as ->Run on server
Output
When the execution process is completed successfully we will get the following output :
Previous Tutorial : JSTL XML x:set Tag :: Next Tutorial : JSTL XML x:transform Tag
Leave a Reply