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prashantbhate/pageDebugger.jsp

Created September 25, 2012 22:18
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Page Debugger that can be used to monitor http session request attributes
Raw
pageDebugger.jsp
<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<html>
<head>
<style type="text/css">
td {
word-wrap: break-word;
}
</style>
</head>
<body>
<table width="100%" border="1" cellpadding="0" cellspacing="0"
style="table-layout: fixed;">
<colgroup>
<col width="500">
</colgroup>
<tr>
<th colspan="2">
<h3>attributes in $paramValues</h3>
</th>
</tr>
<c:forEach var="entry" items="${paramValues}">
<tr>
<td><c:out value="${entry.key}" /></td>
<td><c:forEach var="item" items="${entry.value}"
varStatus="status">
<pre><c:out value="${item}" /></pre>
<c:if test="${not status.last}">
<br />
</c:if>
</c:forEach></td>
</tr>
</c:forEach>
<tr>
<th colspan="2">
<h3>attributes in $requestScope</h3>
</th>
</tr>
<c:forEach var="entry" items="${requestScope}">
<tr>
<td><c:out value="${entry.key}" /></td>
<td><pre><c:out value="${entry.value}" /></pre></td>
</tr>
</c:forEach>
<tr>
<th colspan="2">
<h3>attributes in $sessionScope</h3>
</th>
</tr>
<c:forEach var="entry" items="${sessionScope}">
<tr>
<td><c:out value="${entry.key}" /></td>
<td><pre><c:out value="${entry.value}" /></pre></td>
</tr>
</c:forEach>
<tr>
<th colspan="2">
<h3>attributes in $pageScope</h3>
</th>
</tr>
<c:forEach var="entry" items="${pageScope}">
<tr>
<td><c:out value="${entry.key}" /></td>
<td><pre><c:out value="${entry.value}" /></pre></td>
</tr>
</c:forEach>
<tr>
<th colspan="2">
<h3>attributes in $headerValues</h3>
</th>
</tr>
<c:forEach var="entry" items="${headerValues}">
<tr>
<td><c:out value="${entry.key}" /></td>
<td><c:forEach var="item" items="${entry.value}"
varStatus="status">
<pre><c:out value="${item}" /></pre>
<c:if test="${not status.last}">
<br />
</c:if>
</c:forEach></td>
</tr>
</c:forEach>
<tr>
<th colspan="2">
<h3>attributes in $applicationScope</h3>
</th>
</tr>
<c:forEach var="entry" items="${applicationScope}">
<tr>
<td><c:out value="${entry.key}" /></td>
<td><pre><c:out value="${entry.value}" /></pre></td>
</tr>
</c:forEach>
<tr>
<th colspan="2">
<h3>System Properties</h3>
</th>
</tr>
<tr>
<th>Key</th>
<th>Value</th>
</tr>
<%@page import="java.util.Map"%>
<%@page import="java.util.Set"%>
<%@page import="java.util.Properties"%>
<%@page import="java.util.Arrays"%>
<%
Properties p = System.getProperties();
Set<Map.Entry<Object, Object>> set = p.entrySet();
for (Map.Entry<Object, Object> e : set) {
%>
<tr>
<td><%=e.getKey()%></td>
<td><%="".equals(e.getValue()) ? "&nbsp;" : e.getValue()%></td>
<%
}
%>
</tr>
<tr>
<th colspan="2">
<h3>Spring Beans</h3>
</th>
</tr>
<%@page import="org.springframework.web.context.WebApplicationContext"%>
<%@page
import="org.springframework.web.context.support.WebApplicationContextUtils"%>
<%@page import="org.springframework.core.io.Resource"%>
<%
try {
WebApplicationContext springContext = WebApplicationContextUtils
.getWebApplicationContext(config.getServletContext());
if (springContext != null) {
String[] beanNames = springContext.getBeanDefinitionNames();
Arrays.sort(beanNames);
for (String beanName : beanNames) {
String className = springContext.getType(beanName)
.getName();
%>
<tr>
<td><%=beanName%></td>
<td><%=className%></td>
</tr>
<%
}
%>
<tr>
<th colspan="2">
<h3>Spring Resources</h3>
</th>
</tr>
<tr>
<th colspan="2">
<form><input name="resources" size="50"/></form>
</th>
</tr>
<%
String resourceNames = request.getParameter("resources");
if (resourceNames != null) {
Resource[] resources = springContext
.getResources(resourceNames);
for (Resource r : resources) {
%>
<tr>
<td><%=r.getFilename()%></td>
<td><%=r.getURI()%></td>
</tr>
<%
}
}
}
} catch (Exception e) {
e.printStackTrace();
}
%>
</table>
</body>
</html>
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