📄 bean-size.jsp
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<%@ taglib uri="/tags/struts-bean" prefix="bean" %>
<html>
<head>
<title>Test struts-bean Size Tag</title>
</head>
<body>
<%
java.util.ArrayList data = new java.util.ArrayList();
data.add("First");
data.add("Second");
data.add("Third");
data.add("Fourth");
data.add("Fifth");
pageContext.setAttribute("list", data, PageContext.PAGE_SCOPE);
java.util.HashMap temp = new java.util.HashMap();
temp.put("First", "0");
temp.put("Second", "1");
temp.put("Third", "2");
temp.put("Fourth", "3");
temp.put("Fifth", "4");
pageContext.setAttribute("map", temp, PageContext.PAGE_SCOPE);
%>
<bean:size id="dataSize" collection="<%= data %>" />
<bean:size id="tempSize" collection="<%= temp %>" />
<div align="center">
<h1>Test struts-bean Size Tag</h1>
</div>
<jsp:useBean id="bean" scope="page" class="org.apache.struts.webapp.exercise.TestBean" />
<bean:size id="stringSize" name="bean" property="stringArray" />
<bean:size id="intSize" name="bean" property="intArray" />
<jsp:useBean id="list" scope="page" class="java.util.ArrayList" />
<bean:size id="listSize" name="list" />
<jsp:useBean id="map" scope="page" class="java.util.HashMap" />
<bean:size id="mapSize" name="map" />
<table border="1">
<tr>
<th>Collection Type</th>
<th>Correct Value</th>
<th>Test Result</th>
</tr>
<tr>
<td>Bean (List)</td>
<td align="center">
<%= list.size() %>
</td>
<td align="center">
<bean:write name="listSize" />
</td>
</tr>
<tr>
<td>Bean (Map)</td>
<td align="center">
<%= map.size() %>
</td>
<td align="center">
<bean:write name="mapSize" />
</td>
</tr>
<tr>
<td>Collection (List)</td>
<td align="center">
<%= data.size() %>
</td>
<td align="center">
<bean:write name="dataSize" />
</td>
</tr>
<tr>
<td>Collection (Map)</td>
<td align="center">
<%= temp.size() %>
</td>
<td align="center">
<bean:write name="tempSize" />
</td>
</tr>
<tr>
<td>Property (int[])</td>
<td align="center">
<% int intValues[] = bean.getIntArray(); out.print(intValues.length); %>
</td>
<td align="center">
<bean:write name="intSize" />
</td>
</tr>
<tr>
<td>Property (String[])</td>
<td align="center">
<% String stringValues[] = bean.getStringArray(); out.print(stringValues.length); %>
</td>
<td align="center">
<bean:write name="stringSize" />
</td>
</tr>
</table>
</body>
</html>
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