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<div class="subTitle">javax.el</div>
<h2 title="Class ELContext" class="title">Class ELContext</h2>
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<ul class="inheritance">
<li>java.lang.Object</li>
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<ul class="inheritance">
<li>javax.el.ELContext</li>
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<dd><a href="../../javax/el/StandardELContext.html" title="class in javax.el">StandardELContext</a></dd>
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<pre>public abstract class <span class="typeNameLabel">ELContext</span>
extends java.lang.Object</pre>
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<caption><span>Constructors</span><span class="tabEnd"> </span></caption>
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<th class="colOne" scope="col">Constructor and Description</th>
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<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../javax/el/ELContext.html#ELContext--">ELContext</a></span>()</code> </td>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/el/ELContext.html#addEvaluationListener-javax.el.EvaluationListener-">addEvaluationListener</a></span>(<a href="../../javax/el/EvaluationListener.html" title="class in javax.el">EvaluationListener</a> listener)</code>
<div class="block">Register an EvaluationListener with this ELContext.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>java.lang.Object</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/el/ELContext.html#convertToType-java.lang.Object-java.lang.Class-">convertToType</a></span>(java.lang.Object obj,
java.lang.Class<?> type)</code>
<div class="block">Coerce the supplied object to the requested type.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/el/ELContext.html#enterLambdaScope-java.util.Map-">enterLambdaScope</a></span>(java.util.Map<java.lang.String,java.lang.Object> arguments)</code>
<div class="block">Called when starting to evaluate a lambda expression so that the
arguments are available to the EL context during evaluation.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/el/ELContext.html#exitLambdaScope--">exitLambdaScope</a></span>()</code>
<div class="block">Called after evaluating a lambda expression to signal that the arguments
are no longer required.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>java.lang.Object</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/el/ELContext.html#getContext-java.lang.Class-">getContext</a></span>(java.lang.Class key)</code>
<div class="block">Obtain the context object for the given key.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>abstract <a href="../../javax/el/ELResolver.html" title="class in javax.el">ELResolver</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/el/ELContext.html#getELResolver--">getELResolver</a></span>()</code> </td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>java.util.List<<a href="../../javax/el/EvaluationListener.html" title="class in javax.el">EvaluationListener</a>></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/el/ELContext.html#getEvaluationListeners--">getEvaluationListeners</a></span>()</code>
<div class="block">Obtain the list of registered EvaluationListeners.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>abstract <a href="../../javax/el/FunctionMapper.html" title="class in javax.el">FunctionMapper</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/el/ELContext.html#getFunctionMapper--">getFunctionMapper</a></span>()</code> </td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code><a href="../../javax/el/ImportHandler.html" title="class in javax.el">ImportHandler</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/el/ELContext.html#getImportHandler--">getImportHandler</a></span>()</code>
<div class="block">Obtain the ImportHandler for this ELContext, creating one if necessary.</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>java.lang.Object</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/el/ELContext.html#getLambdaArgument-java.lang.String-">getLambdaArgument</a></span>(java.lang.String name)</code>
<div class="block">Obtain the value of the lambda argument with the given name.</div>
</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>java.util.Locale</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/el/ELContext.html#getLocale--">getLocale</a></span>()</code> </td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code>abstract <a href="../../javax/el/VariableMapper.html" title="class in javax.el">VariableMapper</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/el/ELContext.html#getVariableMapper--">getVariableMapper</a></span>()</code> </td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/el/ELContext.html#isLambdaArgument-java.lang.String-">isLambdaArgument</a></span>(java.lang.String name)</code>
<div class="block">Determine if the specified name is recognised as the name of a lambda
argument.</div>
</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/el/ELContext.html#isPropertyResolved--">isPropertyResolved</a></span>()</code> </td>
</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/el/ELContext.html#notifyAfterEvaluation-java.lang.String-">notifyAfterEvaluation</a></span>(java.lang.String expression)</code>
<div class="block">Notify interested listeners that an expression has been evaluated.</div>
</td>
</tr>
<tr id="i15" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/el/ELContext.html#notifyBeforeEvaluation-java.lang.String-">notifyBeforeEvaluation</a></span>(java.lang.String expression)</code>
<div class="block">Notify interested listeners that an expression will be evaluated.</div>
</td>
</tr>
<tr id="i16" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/el/ELContext.html#notifyPropertyResolved-java.lang.Object-java.lang.Object-">notifyPropertyResolved</a></span>(java.lang.Object base,
java.lang.Object property)</code>
<div class="block">Notify interested listeners that a property has been resolved.</div>
</td>
</tr>
<tr id="i17" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/el/ELContext.html#putContext-java.lang.Class-java.lang.Object-">putContext</a></span>(java.lang.Class key,
java.lang.Object contextObject)</code>
<div class="block">Add an object to this EL context under the given key.</div>
</td>
</tr>
<tr id="i18" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/el/ELContext.html#setLocale-java.util.Locale-">setLocale</a></span>(java.util.Locale locale)</code> </td>
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<tr id="i19" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/el/ELContext.html#setPropertyResolved-boolean-">setPropertyResolved</a></span>(boolean resolved)</code> </td>
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<tr id="i20" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/el/ELContext.html#setPropertyResolved-java.lang.Object-java.lang.Object-">setPropertyResolved</a></span>(java.lang.Object base,
java.lang.Object property)</code>
<div class="block">Mark the given property as resolved and notfy any interested listeners.</div>
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<h3>Methods inherited from class java.lang.Object</h3>
<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
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<h4>ELContext</h4>
<pre>public ELContext()</pre>
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<pre>public void setPropertyResolved(boolean resolved)</pre>
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<pre>public void setPropertyResolved(java.lang.Object base,
java.lang.Object property)</pre>
<div class="block">Mark the given property as resolved and notfy any interested listeners.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>base</code> - The base object on which the property was found</dd>
<dd><code>property</code> - The property that was resolved</dd>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>EL 3.0</dd>
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<pre>public boolean isPropertyResolved()</pre>
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<h4>putContext</h4>
<pre>public void putContext(java.lang.Class key,
java.lang.Object contextObject)</pre>
<div class="block">Add an object to this EL context under the given key.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>key</code> - The key under which to store the object</dd>
<dd><code>contextObject</code> - The object to add</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>java.lang.NullPointerException</code> - If the supplied key or context is <code>null</code></dd>
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<h4>getContext</h4>
<pre>public java.lang.Object getContext(java.lang.Class key)</pre>
<div class="block">Obtain the context object for the given key.</div>
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>key</code> - The key of the required context object</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The value of the context object associated with the given key</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>java.lang.NullPointerException</code> - If the supplied key is <code>null</code></dd>
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<h4>getELResolver</h4>
<pre>public abstract <a href="../../javax/el/ELResolver.html" title="class in javax.el">ELResolver</a> getELResolver()</pre>
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<pre>public <a href="../../javax/el/ImportHandler.html" title="class in javax.el">ImportHandler</a> getImportHandler()</pre>
<div class="block">Obtain the ImportHandler for this ELContext, creating one if necessary.
This method is not thread-safe.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the ImportHandler for this ELContext.</dd>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>EL 3.0</dd>
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<pre>public abstract <a href="../../javax/el/FunctionMapper.html" title="class in javax.el">FunctionMapper</a> getFunctionMapper()</pre>
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<pre>public java.util.Locale getLocale()</pre>
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<pre>public void setLocale(java.util.Locale locale)</pre>
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<pre>public abstract <a href="../../javax/el/VariableMapper.html" title="class in javax.el">VariableMapper</a> getVariableMapper()</pre>
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<pre>public void addEvaluationListener(<a href="../../javax/el/EvaluationListener.html" title="class in javax.el">EvaluationListener</a> listener)</pre>
<div class="block">Register an EvaluationListener with this ELContext.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>listener</code> - The EvaluationListener to register</dd>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>EL 3.0</dd>
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<h4>getEvaluationListeners</h4>
<pre>public java.util.List<<a href="../../javax/el/EvaluationListener.html" title="class in javax.el">EvaluationListener</a>> getEvaluationListeners()</pre>
<div class="block">Obtain the list of registered EvaluationListeners.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>A list of the EvaluationListener registered with this ELContext</dd>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>EL 3.0</dd>
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<pre>public void notifyBeforeEvaluation(java.lang.String expression)</pre>
<div class="block">Notify interested listeners that an expression will be evaluated.</div>
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>expression</code> - The expression that will be evaluated</dd>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>EL 3.0</dd>
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<pre>public void notifyAfterEvaluation(java.lang.String expression)</pre>
<div class="block">Notify interested listeners that an expression has been evaluated.</div>
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>expression</code> - The expression that was evaluated</dd>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>EL 3.0</dd>
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<pre>public void notifyPropertyResolved(java.lang.Object base,
java.lang.Object property)</pre>
<div class="block">Notify interested listeners that a property has been resolved.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>base</code> - The object on which the property was resolved</dd>
<dd><code>property</code> - The property that was resolved</dd>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>EL 3.0</dd>
</dl>
</li>
</ul>
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<h4>isLambdaArgument</h4>
<pre>public boolean isLambdaArgument(java.lang.String name)</pre>
<div class="block">Determine if the specified name is recognised as the name of a lambda
argument.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>name</code> - The name of the lambda argument</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd><code>true</code> if the name is recognised as the name of a
lambda argument, otherwise <code>false</code></dd>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>EL 3.0</dd>
</dl>
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</ul>
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<h4>getLambdaArgument</h4>
<pre>public java.lang.Object getLambdaArgument(java.lang.String name)</pre>
<div class="block">Obtain the value of the lambda argument with the given name.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>name</code> - The name of the lambda argument</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The value of the specified argument</dd>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>EL 3.0</dd>
</dl>
</li>
</ul>
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<h4>enterLambdaScope</h4>
<pre>public void enterLambdaScope(java.util.Map<java.lang.String,java.lang.Object> arguments)</pre>
<div class="block">Called when starting to evaluate a lambda expression so that the
arguments are available to the EL context during evaluation.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>arguments</code> - The arguments in scope for the current lambda
expression.</dd>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>EL 3.0</dd>
</dl>
</li>
</ul>
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<h4>exitLambdaScope</h4>
<pre>public void exitLambdaScope()</pre>
<div class="block">Called after evaluating a lambda expression to signal that the arguments
are no longer required.</div>
<dl>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>EL 3.0</dd>
</dl>
</li>
</ul>
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<h4>convertToType</h4>
<pre>public java.lang.Object convertToType(java.lang.Object obj,
java.lang.Class<?> type)</pre>
<div class="block">Coerce the supplied object to the requested type.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>obj</code> - The object to be coerced</dd>
<dd><code>type</code> - The type to which the object should be coerced</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>An instance of the requested type.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../javax/el/ELException.html" title="class in javax.el">ELException</a></code> - If the conversion fails</dd>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>EL 3.0</dd>
</dl>
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