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<div class="subTitle"><span class="packageLabelInType">Package</span>&nbsp;<a href="package-summary.html">org.apache.shiro.web.tags</a></div>
<h2 title="Class PrincipalTag" class="title">Class PrincipalTag</h2>
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<pre>public class <a href="../../../../../src-html/org/apache/shiro/web/tags/PrincipalTag.html#line.45">PrincipalTag</a>
extends <a href="SecureTag.html" title="class in org.apache.shiro.web.tags">SecureTag</a></pre>
<div class="block"><p>Tag used to print out the String value of a user's default principal,
or a specific principal as specified by the tag's attributes.</p>
<p> If no attributes are specified, the tag prints out the <tt>toString()</tt>
value of the user's default principal. If the <tt>type</tt> attribute
is specified, the tag looks for a principal with the given type. If the
<tt>property</tt> attribute is specified, the tag prints the string value of
the specified property of the principal. If no principal is found or the user
is not authenticated, the tag displays nothing unless a <tt>defaultValue</tt>
is specified.</p></div>
<dl>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>0.2</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../../serialized-form.html#org.apache.shiro.web.tags.PrincipalTag">Serialized Form</a></dd>
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<code><a href="https://docs.oracle.com/javaee/5/api/javax/servlet/jsp/tagext/TagSupport.html?is-external=true#id" title="class or interface in javax.servlet.jsp.tagext" class="externalLink">id</a>, <a href="https://docs.oracle.com/javaee/5/api/javax/servlet/jsp/tagext/TagSupport.html?is-external=true#pageContext" title="class or interface in javax.servlet.jsp.tagext" class="externalLink">pageContext</a></code></li>
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<code><a href="https://docs.oracle.com/javaee/5/api/javax/servlet/jsp/tagext/IterationTag.html?is-external=true#EVAL_BODY_AGAIN" title="class or interface in javax.servlet.jsp.tagext" class="externalLink">EVAL_BODY_AGAIN</a></code></li>
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<h3>Fields inherited from interface&nbsp;javax.servlet.jsp.tagext.<a href="https://docs.oracle.com/javaee/5/api/javax/servlet/jsp/tagext/Tag.html?is-external=true" title="class or interface in javax.servlet.jsp.tagext" class="externalLink">Tag</a></h3>
<code><a href="https://docs.oracle.com/javaee/5/api/javax/servlet/jsp/tagext/Tag.html?is-external=true#EVAL_BODY_INCLUDE" title="class or interface in javax.servlet.jsp.tagext" class="externalLink">EVAL_BODY_INCLUDE</a>, <a href="https://docs.oracle.com/javaee/5/api/javax/servlet/jsp/tagext/Tag.html?is-external=true#EVAL_PAGE" title="class or interface in javax.servlet.jsp.tagext" class="externalLink">EVAL_PAGE</a>, <a href="https://docs.oracle.com/javaee/5/api/javax/servlet/jsp/tagext/Tag.html?is-external=true#SKIP_BODY" title="class or interface in javax.servlet.jsp.tagext" class="externalLink">SKIP_BODY</a>, <a href="https://docs.oracle.com/javaee/5/api/javax/servlet/jsp/tagext/Tag.html?is-external=true#SKIP_PAGE" title="class or interface in javax.servlet.jsp.tagext" class="externalLink">SKIP_PAGE</a></code></li>
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<th class="colFirst" scope="col">Constructor</th>
<th class="colLast" scope="col">Description</th>
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<tr class="altColor">
<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E()">PrincipalTag</a></span>()</code></th>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Method</th>
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<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getDefaultValue()">getDefaultValue</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getProperty()">getProperty</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getType()">getType</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#onDoStartTag()">onDoStartTag</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setDefaultValue(java.lang.String)">setDefaultValue</a></span>&#8203;(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;defaultValue)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setProperty(java.lang.String)">setProperty</a></span>&#8203;(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;property)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setType(java.lang.String)">setType</a></span>&#8203;(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;type)</code></th>
<td class="colLast">&nbsp;</td>
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<h3>Methods inherited from class&nbsp;org.apache.shiro.web.tags.<a href="SecureTag.html" title="class in org.apache.shiro.web.tags">SecureTag</a></h3>
<code><a href="SecureTag.html#doStartTag()">doStartTag</a>, <a href="SecureTag.html#getSubject()">getSubject</a>, <a href="SecureTag.html#verifyAttributes()">verifyAttributes</a></code></li>
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<code><a href="https://docs.oracle.com/javaee/5/api/javax/servlet/jsp/tagext/TagSupport.html?is-external=true#doAfterBody()" title="class or interface in javax.servlet.jsp.tagext" class="externalLink">doAfterBody</a>, <a href="https://docs.oracle.com/javaee/5/api/javax/servlet/jsp/tagext/TagSupport.html?is-external=true#doEndTag()" title="class or interface in javax.servlet.jsp.tagext" class="externalLink">doEndTag</a>, <a href="https://docs.oracle.com/javaee/5/api/javax/servlet/jsp/tagext/TagSupport.html?is-external=true#findAncestorWithClass(javax.servlet.jsp.tagext.Tag,java.lang.Class)" title="class or interface in javax.servlet.jsp.tagext" class="externalLink">findAncestorWithClass</a>, <a href="https://docs.oracle.com/javaee/5/api/javax/servlet/jsp/tagext/TagSupport.html?is-external=true#getId()" title="class or interface in javax.servlet.jsp.tagext" class="externalLink">getId</a>, <a href="https://docs.oracle.com/javaee/5/api/javax/servlet/jsp/tagext/TagSupport.html?is-external=true#getParent()" title="class or interface in javax.servlet.jsp.tagext" class="externalLink">getParent</a>, <a href="https://docs.oracle.com/javaee/5/api/javax/servlet/jsp/tagext/TagSupport.html?is-external=true#getValue(java.lang.String)" title="class or interface in javax.servlet.jsp.tagext" class="externalLink">getValue</a>, <a href="https://docs.oracle.com/javaee/5/api/javax/servlet/jsp/tagext/TagSupport.html?is-external=true#getValues()" title="class or interface in javax.servlet.jsp.tagext" class="externalLink">getValues</a>, <a href="https://docs.oracle.com/javaee/5/api/javax/servlet/jsp/tagext/TagSupport.html?is-external=true#release()" title="class or interface in javax.servlet.jsp.tagext" class="externalLink">release</a>, <a href="https://docs.oracle.com/javaee/5/api/javax/servlet/jsp/tagext/TagSupport.html?is-external=true#removeValue(java.lang.String)" title="class or interface in javax.servlet.jsp.tagext" class="externalLink">removeValue</a>, <a href="https://docs.oracle.com/javaee/5/api/javax/servlet/jsp/tagext/TagSupport.html?is-external=true#setId(java.lang.String)" title="class or interface in javax.servlet.jsp.tagext" class="externalLink">setId</a>, <a href="https://docs.oracle.com/javaee/5/api/javax/servlet/jsp/tagext/TagSupport.html?is-external=true#setPageContext(javax.servlet.jsp.PageContext)" title="class or interface in javax.servlet.jsp.tagext" class="externalLink">setPageContext</a>, <a href="https://docs.oracle.com/javaee/5/api/javax/servlet/jsp/tagext/TagSupport.html?is-external=true#setParent(javax.servlet.jsp.tagext.Tag)" title="class or interface in javax.servlet.jsp.tagext" class="externalLink">setParent</a>, <a href="https://docs.oracle.com/javaee/5/api/javax/servlet/jsp/tagext/TagSupport.html?is-external=true#setValue(java.lang.String,java.lang.Object)" title="class or interface in javax.servlet.jsp.tagext" class="externalLink">setValue</a></code></li>
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<h3>Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a></h3>
<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang" class="externalLink">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang" class="externalLink">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang" class="externalLink">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang" class="externalLink">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang" class="externalLink">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang" class="externalLink">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang" class="externalLink">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang" class="externalLink">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang" class="externalLink">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang" class="externalLink">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait(long,int)" title="class or interface in java.lang" class="externalLink">wait</a></code></li>
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<h4>PrincipalTag</h4>
<pre>public&nbsp;<a href="../../../../../src-html/org/apache/shiro/web/tags/PrincipalTag.html#line.45">PrincipalTag</a>()</pre>
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<h4>getType</h4>
<pre class="methodSignature">public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;<a href="../../../../../src-html/org/apache/shiro/web/tags/PrincipalTag.html#line.82">getType</a>()</pre>
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<h4>setType</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;<a href="../../../../../src-html/org/apache/shiro/web/tags/PrincipalTag.html#line.87">setType</a>&#8203;(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;type)</pre>
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<h4>getProperty</h4>
<pre class="methodSignature">public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;<a href="../../../../../src-html/org/apache/shiro/web/tags/PrincipalTag.html#line.92">getProperty</a>()</pre>
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<pre class="methodSignature">public&nbsp;void&nbsp;<a href="../../../../../src-html/org/apache/shiro/web/tags/PrincipalTag.html#line.107">setDefaultValue</a>&#8203;(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;defaultValue)</pre>
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<pre class="methodSignature">public&nbsp;int&nbsp;<a href="../../../../../src-html/org/apache/shiro/web/tags/PrincipalTag.html#line.116">onDoStartTag</a>()
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