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franta-hg@12
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<?xml version="1.0" encoding="UTF-8"?>
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franta-hg@12
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<jsp:root xmlns:jsp="http://java.sun.com/JSP/Page"
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xmlns:c="http://java.sun.com/jsp/jstl/core"
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xmlns:fmt="http://java.sun.com/jsp/jstl/fmt"
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xmlns:fn="http://java.sun.com/jsp/jstl/functions"
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version="2.0">
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<jsp:directive.page contentType="application/xhtml+xml"/>
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<jsp:output doctype-system="http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"
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doctype-root-element="html"
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omit-xml-declaration="false"/>
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<title>Escapování</title>
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</head>
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<body>
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<h1>Escapování</h1>
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<h2>Vstup</h2>
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<!-- jednoduchý formulář na otestování uživatelského vstupu -->
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<form action="escapovani.jsp" method="post">
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<fieldset>
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<input name="parametr1" type="text"/>
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<button>Odeslat!</button>
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</fieldset>
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</form>
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<h2>Výstup</h2>
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<!-- vypíšeme si parametr zadaný uživatelem, ale ošetříme ho,
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aby nám nezbořil naši pěknou XHTML stránku -->
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<p><c:out value="${param.parametr1}" escapeXml="true"/></p>
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<!-- escapeXml="true" nemusíme psát – to je výchozí hodnota -->
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<p>Když potřebujeme dát
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<abbr title="${fn:escapeXml(param.parametr1)}">„escapovaný“</abbr>
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text do atributu, použijeme funkci <code>escapeXml()</code> ze jmenného prostoru:</p>
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<pre>xmlns:fn="http://java.sun.com/jsp/jstl/functions"</pre>
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</body>
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</html>
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</jsp:root>
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