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Use of tag of JSTL
In this section we will learn how to use tag of Xml tag library of Jstl. This tag is used to parse the specified xml document.

Use of <x:parse> tag of JSTL

In this section we will learn how to use <x:parse> tag of Xml tag library of Jstl. This tag is used to parse the specified xml document.

Standard Syntax : <%@ taglib prefix="x" uri="http://java.sun.com/jsp/jstl/xml" %>

Attributes:
var	Name of the variable used to store parsed xml content.
varDom	This is variable name that is used to store parsed xml content when your application needs to perform some operation on the parsed xml document provided by jstl.
scope	Defines scope of the defined variable in var attribute.
scopeDom	Defines scope of the defined variable in varDom attribute.
xml	Specify the xml document to be parsed. This tag is deprecated now and use attribute 'doc' instead.
doc	Define the xml document to be parsed.
systemId	It indicates the uri of document to be parsed and resolves any relative paths present in the document.
filter	It is used to filter the document before parsing, it is particularly use when document is large and small part is of interest for the task at hand.

parse_xmlJstlTag.jsp

<%@ 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>Example of x:parse tag</title>
    </head>
       <body>
        <c:import var="importFile" url="employee.xml"/>

        <x:parse var="doc" doc="${importFile}"/>

        <table border=1>
            <tr><th>Given Xml Document</th>
            <th>Some operations on this file</th></tr>
            <tr>
                <td valign="top"><pre><c:out value="${importFile}"/></pre></td>
                <td>
                    <table border=1>
                        <tr>
                            <th>Expression</th>
                            <th>Result</th>
                        </tr>
                        <tr>
                            <td>$doc//*</td>
                            <td><pre><x:out select="$doc//*"/></pre></td>
                        </tr>

                        <tr>
                            <td>$doc/org/*</td>
                            <td><pre><x:out select="$doc/org/*"/></pre></td>
                        </tr>
                        <tr>
                            <td>$doc/org/company/*</td>
                            <td><pre><x:out select="$doc/org/company/*"/></pre></td>
                        </tr>

                        <tr>
                            <td>$doc/org/company/emp</td>
                            <td><pre><x:out select="$doc/org/company/emp/*"/>
                                </pre>
                            </td>
                        </tr>
                        <tr>
                            <td>$doc/org/company[last()]</td>
                            <td><pre><x:out select="$doc/org/company/emp[last()]"/>
                                </pre>
                            </td>
                        </tr>                        
                    </table>
                </td>
            </tr>
        </table>
    </body>
</html>

Output :
Output will show the content of xml document file named 'employee.xml'.

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Related Tags: c xml library file files stl orm ant form io user sed jstl tag parameter transform this js for add

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