legzo/log4jAdmin.jsp

## log4jAdmin.jsp
<%@ page language="java" contentType="text/html;charset=UTF-8" %>
<%@ page import="org.apache.log4j.Level" %>
<%@ page import="org.apache.log4j.LogManager" %>
<%@ page import="org.apache.log4j.Logger" %>
<%@ page import="java.util.HashMap" %>
<%@ page import="java.util.Enumeration" %>
<%@ page import="java.util.Set" %>
<%@ page import="java.util.Arrays" %>
<% long beginPageLoadTime = System.currentTimeMillis();%>

<html>
<head>
    <title>Log4J Administration</title>
    <style type="text/css">

        <!--
        #content {
            padding: 0 10px;
            text-align: center;
            background-color: #eee;
            border: 2px solid #666;
            border-radius: 8px;
        }

        #innerContent {
        	border-radius: 6px;
        	background: black;
        	border: 3px solid black;
        }

        body {
            position: relative;
            margin: 16px;
            padding: 0px;
            color: #333;
            font-family: Verdana, Arial, Helvetica sans-serif;
        }

        h1 {
            font-size: 1.5em;
		    font-weight: normal;
		    margin-top: 20px;
        }

        h2 {
            margin-top: 10px;
            font: 0.75em Verdana, Arial, Helvetica sans-serif;
            text-align: left;
        }

        a, a:link, a:visited, a:active {
			font-weight: bold;
			text-decoration: none;
			color: black;
		}

        #loggersTable {
        	font-family: Consolas, Lucida Console, Courier New, Monaco5, monospace;
        	font-size: 14px;
            background-color: #000;
            border: 0px;
            width: 100%;
            font-size: 0.70em;
        }

        td {
            white-space: nowrap;
            padding: 2px 10px;
        }

        tr:nth-child(even) {background: #efefef}
		tr:nth-child(odd) {background: #FFF}

        td.levels {
            text-align: center;
            white-space: nowrap;
            width: 250px;
        }

        .filterForm {
            font-size: 0.75em;
            background-color: #000;
            color: #fff;
            text-align: center;
            white-space: nowrap;
            margin-bottom: 0;
           	padding: 5px 0 10px;
        }

        .filterText {
		    background-color: #FFFFFF;
		    border: 1px solid #CCCCCC;
		    border-radius: 3px;
		    color: #000000;
		    text-align: left;
		    white-space: nowrap;
		    width: 35%;
        }

        .filterButton {
            background-color: #666666;
		    border: 1px solid #CCCCCC;
		    border-radius: 5px;
		    color: #FFFFFF;
        }

        .selectedLevel {
        	color: gray;
        }

        -->
    </style>
</head>
<body onLoad="javascript:document.logFilterForm.logNameFilter.focus();">

<%
    String containsFilter = "contains";
    String beginsWithFilter = "begins with";

    String[] logLevels = {"trace", "debug", "info", "warn", "error", "fatal", "off"};
    String targetOperation = (String) request.getParameter("operation");
    String targetLogger = (String) request.getParameter("logger");
    String targetLogLevel = (String) request.getParameter("newLogLevel");
    String logNameFilter = (String) request.getParameter("logNameFilter");
    String logNameFilterType = (String) request.getParameter("logNameFilterType");

%>
<div id="content">
<h1>Log4J Administration</h1>
<div id="innerContent">

    <form action="log4jAdmin.jsp" name="logFilterForm" class="filterForm">filter:&nbsp;&nbsp;
        <input name="logNameFilter" type="text" size="50" value="<%=(logNameFilter == null ? "":logNameFilter)%>"

               class="filterText"/>
        <input name="logNameFilterType" type="submit" value="<%=beginsWithFilter%>" class="filterButton"/>&nbsp;

        <input name="logNameFilterType" type="submit" value="<%=containsFilter%>" class="filterButton"/>&nbsp;

        <input name="logNameClear" type="button" value="clear" class="filterButton"

               onmousedown='javascript:document.logFilterForm.logNameFilter.value="";'/>
        <input name="logNameReset" type="reset" value="reset" class="filterButton"/>

        <param name="operation" value="changeLogLevel"/>
    </form>

	<table id="loggersTable" cellspacing="1">
	    <%
	        Enumeration loggers = LogManager.getCurrentLoggers();

	        HashMap loggersMap = new HashMap(128);
	        Logger rootLogger = LogManager.getRootLogger();

	        if (!loggersMap.containsKey(rootLogger.getName())) {
	            loggersMap.put(rootLogger.getName(), rootLogger);
	        }

	        while (loggers.hasMoreElements()) {
	            Logger logger = (Logger) loggers.nextElement();

	            if (logNameFilter == null || logNameFilter.trim().length() == 0) {
	                loggersMap.put(logger.getName(), logger);

	            } else if (containsFilter.equals(logNameFilterType)) {
	                if (logger.getName().toUpperCase().indexOf(logNameFilter.toUpperCase()) >= 0) {
	                    loggersMap.put(logger.getName(), logger);
	                }

	            } else {
					// Either was no filter in IF, contains filter in ELSE IF, or begins with in ELSE
	                if (logger.getName().startsWith(logNameFilter)) {
	                    loggersMap.put(logger.getName(), logger);
	                }
	            }
	        }
	        Set loggerKeys = loggersMap.keySet();

	        String[] keys = new String[loggerKeys.size()];

	        keys = (String[]) loggerKeys.toArray(keys);

	        Arrays.sort(keys, String.CASE_INSENSITIVE_ORDER);
	        for (int i = 0; i < keys.length; i++) {

	            Logger logger = (Logger) loggersMap.get(keys[i]);

				// MUST CHANGE THE LOG LEVEL ON LOGGER BEFORE GENERATING THE LINKS AND THE
				// CURRENT LOG LEVEL OR DISABLED LINK WON'T MATCH THE NEWLY CHANGED VALUES
	            if ("changeLogLevel".equals(targetOperation) && targetLogger.equals(logger.getName())) {
	                Logger selectedLogger = (Logger) loggersMap.get(targetLogger);
	                selectedLogger.setLevel(Level.toLevel(targetLogLevel));
	            }

	            String loggerName = null;
	            String loggerEffectiveLevel = null;
	            String loggerParent = null;
	            if (logger != null) {
	                loggerName = logger.getName();
	                loggerEffectiveLevel = String.valueOf(logger.getEffectiveLevel());
	                loggerParent = (logger.getParent() == null ? null : logger.getParent().getName());
	            }
	    %>
	    <tr>
	        <td><%=loggerName%>
	        </td>
	        <td class="levels"><%
	                for (int cnt = 0; cnt < logLevels.length; cnt++) {
	                    String url = "log4jAdmin.jsp?operation=changeLogLevel&logger=" + loggerName + "&newLogLevel=" + logLevels[cnt] + "&logNameFilter=" + (logNameFilter != null ? logNameFilter : "") + "&logNameFilterType=" + (logNameFilterType != null ? logNameFilterType : "");
	                    if (logger.getLevel() == Level.toLevel(logLevels[cnt]) || logger.getEffectiveLevel() == Level.toLevel(logLevels[cnt])) {
	            %><span class="selectedLevel"><%=logLevels[cnt]%></span><%
	            } else {
	            %><a href='<%=url%>'><%=logLevels[cnt]%></a><%
	                    }
	                %>&nbsp;<%
	                }
	            %>
	        </td>
	    </tr>
	    <%
	        }
	    %>
	</table>
</div>
<h2>
    Revision: 1.0.1<br/>
    Page Load Time: <%=(System.currentTimeMillis() - beginPageLoadTime)%>ms
</h2>
</div>
</body>
</html>
	<%@ page language="java" contentType="text/html;charset=UTF-8" %>
	<%@ page import="org.apache.log4j.Level" %>
	<%@ page import="org.apache.log4j.LogManager" %>
	<%@ page import="org.apache.log4j.Logger" %>
	<%@ page import="java.util.HashMap" %>
	<%@ page import="java.util.Enumeration" %>
	<%@ page import="java.util.Set" %>
	<%@ page import="java.util.Arrays" %>
	<% long beginPageLoadTime = System.currentTimeMillis();%>

	<html>
	<head>
	<title>Log4J Administration</title>
	<style type="text/css">

	<!--
	#content {
	padding: 0 10px;
	text-align: center;
	background-color: #eee;
	border: 2px solid #666;
	border-radius: 8px;
	}

	#innerContent {
	border-radius: 6px;
	background: black;
	border: 3px solid black;
	}

	body {
	position: relative;
	margin: 16px;
	padding: 0px;
	color: #333;
	font-family: Verdana, Arial, Helvetica sans-serif;
	}

	h1 {
	font-size: 1.5em;
	font-weight: normal;
	margin-top: 20px;
	}

	h2 {
	margin-top: 10px;
	font: 0.75em Verdana, Arial, Helvetica sans-serif;
	text-align: left;
	}

	a, a:link, a:visited, a:active {
	font-weight: bold;
	text-decoration: none;
	color: black;
	}

	#loggersTable {
	font-family: Consolas, Lucida Console, Courier New, Monaco5, monospace;
	font-size: 14px;
	background-color: #000;
	border: 0px;
	width: 100%;
	font-size: 0.70em;
	}

	td {
	white-space: nowrap;
	padding: 2px 10px;
	}

	tr:nth-child(even) {background: #efefef}
	tr:nth-child(odd) {background: #FFF}

	td.levels {
	text-align: center;
	white-space: nowrap;
	width: 250px;
	}

	.filterForm {
	font-size: 0.75em;
	background-color: #000;
	color: #fff;
	text-align: center;
	white-space: nowrap;
	margin-bottom: 0;
	padding: 5px 0 10px;
	}

	.filterText {
	background-color: #FFFFFF;
	border: 1px solid #CCCCCC;
	border-radius: 3px;
	color: #000000;
	text-align: left;
	white-space: nowrap;
	width: 35%;
	}

	.filterButton {
	background-color: #666666;
	border: 1px solid #CCCCCC;
	border-radius: 5px;
	color: #FFFFFF;
	}

	.selectedLevel {
	color: gray;
	}

	-->
	</style>
	</head>
	<body onLoad="javascript:document.logFilterForm.logNameFilter.focus();">

	<%
	String containsFilter = "contains";
	String beginsWithFilter = "begins with";

	String[] logLevels = {"trace", "debug", "info", "warn", "error", "fatal", "off"};
	String targetOperation = (String) request.getParameter("operation");
	String targetLogger = (String) request.getParameter("logger");
	String targetLogLevel = (String) request.getParameter("newLogLevel");
	String logNameFilter = (String) request.getParameter("logNameFilter");
	String logNameFilterType = (String) request.getParameter("logNameFilterType");

	%>
	<div id="content">
	<h1>Log4J Administration</h1>
	<div id="innerContent">

	<form action="log4jAdmin.jsp" name="logFilterForm" class="filterForm">filter:
	<input name="logNameFilter" type="text" size="50" value="<%=(logNameFilter == null ? "":logNameFilter)%>"

	class="filterText"/>
	<input name="logNameFilterType" type="submit" value="<%=beginsWithFilter%>" class="filterButton"/>

	<input name="logNameFilterType" type="submit" value="<%=containsFilter%>" class="filterButton"/>

	<input name="logNameClear" type="button" value="clear" class="filterButton"

	onmousedown='javascript:document.logFilterForm.logNameFilter.value="";'/>
	<input name="logNameReset" type="reset" value="reset" class="filterButton"/>

	<param name="operation" value="changeLogLevel"/>
	</form>

	<table id="loggersTable" cellspacing="1">
	<%
	Enumeration loggers = LogManager.getCurrentLoggers();

	HashMap loggersMap = new HashMap(128);
	Logger rootLogger = LogManager.getRootLogger();

	if (!loggersMap.containsKey(rootLogger.getName())) {
	loggersMap.put(rootLogger.getName(), rootLogger);
	}

	while (loggers.hasMoreElements()) {
	Logger logger = (Logger) loggers.nextElement();

	if (logNameFilter == null \|\| logNameFilter.trim().length() == 0) {
	loggersMap.put(logger.getName(), logger);

	} else if (containsFilter.equals(logNameFilterType)) {
	if (logger.getName().toUpperCase().indexOf(logNameFilter.toUpperCase()) >= 0) {
	loggersMap.put(logger.getName(), logger);
	}

	} else {
	// Either was no filter in IF, contains filter in ELSE IF, or begins with in ELSE
	if (logger.getName().startsWith(logNameFilter)) {
	loggersMap.put(logger.getName(), logger);
	}
	}
	}
	Set loggerKeys = loggersMap.keySet();

	String[] keys = new String[loggerKeys.size()];

	keys = (String[]) loggerKeys.toArray(keys);

	Arrays.sort(keys, String.CASE_INSENSITIVE_ORDER);
	for (int i = 0; i < keys.length; i++) {

	Logger logger = (Logger) loggersMap.get(keys[i]);

	// MUST CHANGE THE LOG LEVEL ON LOGGER BEFORE GENERATING THE LINKS AND THE
	// CURRENT LOG LEVEL OR DISABLED LINK WON'T MATCH THE NEWLY CHANGED VALUES
	if ("changeLogLevel".equals(targetOperation) && targetLogger.equals(logger.getName())) {
	Logger selectedLogger = (Logger) loggersMap.get(targetLogger);
	selectedLogger.setLevel(Level.toLevel(targetLogLevel));
	}

	String loggerName = null;
	String loggerEffectiveLevel = null;
	String loggerParent = null;
	if (logger != null) {
	loggerName = logger.getName();
	loggerEffectiveLevel = String.valueOf(logger.getEffectiveLevel());
	loggerParent = (logger.getParent() == null ? null : logger.getParent().getName());
	}
	%>
	<tr>
	<td><%=loggerName%>
	</td>
	<td class="levels"><%
	for (int cnt = 0; cnt < logLevels.length; cnt++) {
	String url = "log4jAdmin.jsp?operation=changeLogLevel&logger=" + loggerName + "&newLogLevel=" + logLevels[cnt] + "&logNameFilter=" + (logNameFilter != null ? logNameFilter : "") + "&logNameFilterType=" + (logNameFilterType != null ? logNameFilterType : "");
	if (logger.getLevel() == Level.toLevel(logLevels[cnt]) \|\| logger.getEffectiveLevel() == Level.toLevel(logLevels[cnt])) {
	%><span class="selectedLevel"><%=logLevels[cnt]%></span><%
	} else {
	%><a href='<%=url%>'><%=logLevels[cnt]%></a><%
	}
	%> <%
	}
	%>
	</td>
	</tr>
	<%
	}
	%>
	</table>
	</div>
	<h2>
	Revision: 1.0.1<br/>
	Page Load Time: <%=(System.currentTimeMillis() - beginPageLoadTime)%>ms
	</h2>
	</div>
	</body>
	</html>