| <html xmlns:javaee="http://java.sun.com/xml/ns/javaee" xmlns:fo="http://www.w3.org/1999/XSL/Format"> |
| <head> |
| <META http-equiv="Content-Type" content="text/html; charset=UTF-8"> |
| <title>ifEnabled |
| (Apache Log4j Tag Library Tag library documentation) |
| </title> |
| <meta name="keywords" content="$title"> |
| <link rel="stylesheet" type="text/css" href="../stylesheet.css" title="Style"> |
| </head> |
| <script> |
| function asd() |
| { |
| parent.document.title="ifEnabled (Apache Log4j Tag Library Tag library documentation)"; |
| } |
| </script> |
| <body bgcolor="white" onload="asd();"> |
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| <table BORDER="0" CELLPADDING="0" CELLSPACING="3"> |
| <tr ALIGN="center" VALIGN="top"> |
| <td BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <a href="../overview-summary.html"><font CLASS="NavBarFont1"><b>Overview</b></font></a> </td><td BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <a href="tld-summary.html"><font CLASS="NavBarFont1"><b>Library</b></font></a> </td><td BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <font CLASS="NavBarFont1Rev"> Tag </font> </td><td BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <a HREF="../help-doc.html"><font CLASS="NavBarFont1"><b>Help</b></font></a> </td> |
| </tr> |
| </table> |
| </td><td ALIGN="right" VALIGN="top" ROWSPAN="3"><em></em></td> |
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| <tr> |
| <td BGCOLOR="white" CLASS="NavBarCell2"><font SIZE="-2"></font></td><td BGCOLOR="white" CLASS="NavBarCell2"><font SIZE="-2"> |
| <a HREF="../index.html" TARGET="_top"><b>FRAMES</b></a> |
| <a href="ifEnabled.html" target="_top"><b>NO FRAMES</b></a> |
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| <noscript> |
| <a HREF="../alltags-noframe.html" TARGET=""><b>All Tags</b></a> |
| </noscript> |
| </font></td> |
| </tr> |
| </table> |
| <hr> |
| <h2> |
| <font size="-1">Log4j 2 Tag Library</font> |
| <br> |
| Tag ifEnabled</h2> |
| <hr>Conditional tag that evaluates its body only if the specified log level and |
| marker are enabled.<br> |
| <p></p> |
| <b>Example:</b> |
| <br> |
| <pre> |
| <log:ifEnabled level="info"> |
| Evaluate this content |
| </log:ifEnabled> |
| |
| <log:ifEnabled logger="com.foo.bar" level="INFO" marker="${marker}"> |
| Evaluate this content |
| </log:ifEnabled> |
| </pre> |
| <p></p> |
| <hr> |
| <table border="1" cellpadding="3" cellspacing="0" width="100%"> |
| <tr bgcolor="#CCCCFF" class="TableHeadingColor"> |
| <td colspan="2"><font size="+2"><b>Tag Information</b></font></td> |
| </tr> |
| <tr> |
| <td>Tag Class</td><td>org.apache.logging.log4j.taglib.IfEnabledTag</td> |
| </tr> |
| <tr> |
| <td>TagExtraInfo Class</td><td><i>None</i></td> |
| </tr> |
| <tr> |
| <td>Body Content</td><td>JSP</td> |
| </tr> |
| <tr> |
| <td>Display Name</td><td><i>None</i></td> |
| </tr> |
| </table> |
| <br> |
| <p></p> |
| <table border="1" cellpadding="3" cellspacing="0" width="100%"> |
| <tr bgcolor="#CCCCFF" class="TableHeadingColor"> |
| <td colspan="5"><font size="+2"><b>Attributes</b></font></td> |
| </tr> |
| <tr> |
| <td><b>Name</b></td><td><b>Required</b></td><td><b>Request-time</b></td><td><b>Type</b></td><td><b>Description</b></td> |
| </tr> |
| <tr valign="top"> |
| <td>logger</td><td>false</td><td>true</td><td><code>java.lang.Object</code></td><td>The name or instance of the Logger to use to override the default Logger |
| for this JSP.</td> |
| </tr> |
| <tr valign="top"> |
| <td>level</td><td>true</td><td>true</td><td><code>java.lang.Object</code></td><td>The name of any valid Level (TRACE, DEBUG, INFO, etc.) or an actual Level |
| instance to check whether it is enabled. This value is case-insensitive.</td> |
| </tr> |
| <tr valign="top"> |
| <td>marker</td><td>false</td><td>true</td><td><code>org.apache.logging.log4j.Marker</code></td><td>Marker data to include in the enabled check.</td> |
| </tr> |
| </table> |
| <br> |
| <p></p> |
| <table border="1" cellpadding="3" cellspacing="0" width="100%"> |
| <tr bgcolor="#CCCCFF" class="TableHeadingColor"> |
| <td colspan="5"><font size="+2"><b>Variables</b></font></td> |
| </tr> |
| <td colspan="2"><i>No Variables Defined.</i></td> |
| </table> |
| <br> |
| <p></p> |
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| <table BORDER="0" CELLPADDING="0" CELLSPACING="3"> |
| <tr ALIGN="center" VALIGN="top"> |
| <td BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <a href="../overview-summary.html"><font CLASS="NavBarFont1"><b>Overview</b></font></a> </td><td BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <a href="tld-summary.html"><font CLASS="NavBarFont1"><b>Library</b></font></a> </td><td BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <font CLASS="NavBarFont1Rev"> Tag </font> </td><td BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <a HREF="../help-doc.html"><font CLASS="NavBarFont1"><b>Help</b></font></a> </td> |
| </tr> |
| </table> |
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| </tr> |
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| <a HREF="../index.html" TARGET="_top"><b>FRAMES</b></a> |
| <a href="ifEnabled.html" target="_top"><b>NO FRAMES</b></a> |
| <script></script> |
| <noscript> |
| <a HREF="../alltags-noframe.html" TARGET=""><b>All Tags</b></a> |
| </noscript> |
| </font></td> |
| </tr> |
| </table> |
| <hr> |
| <small><i> |
| Output Generated by |
| <a href="http://taglibrarydoc.dev.java.net/" target="_blank">Tag Library Documentation Generator</a>. |
| Java, JSP, and JavaServer Pages are trademarks or |
| registered trademarks of Sun Microsystems, Inc. in the US and other |
| countries. Copyright 2002-4 Sun Microsystems, Inc. |
| 4150 Network Circle |
| Santa Clara, CA 95054, U.S.A. |
| All Rights Reserved. |
| </i></small> |
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