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| <h2 title="Class Unmarshaller.Listener" class="title">Class Unmarshaller.Listener</h2> |
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| <ul class="inheritance"> |
| <li>java.lang.Object</li> |
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| <li>javax.xml.bind.Unmarshaller.Listener</li> |
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| <dt>Enclosing interface:</dt> |
| <dd><a href="../../../javax/xml/bind/Unmarshaller.html" title="interface in javax.xml.bind">Unmarshaller</a></dd> |
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| <br> |
| <pre>public abstract static class <span class="typeNameLabel">Unmarshaller.Listener</span> |
| extends java.lang.Object</pre> |
| <div class="block"><p> |
| Register an instance of an implementation of this class with <a href="../../../javax/xml/bind/Unmarshaller.html" title="interface in javax.xml.bind"><code>Unmarshaller</code></a> to externally listen |
| for unmarshal events. |
| </p> |
| <p> |
| This class enables pre and post processing of an instance of a JAXB mapped class |
| as XML data is unmarshalled into it. The event callbacks are called when unmarshalling |
| XML content into a JAXBElement instance or a JAXB mapped class that represents a complex type definition. |
| The event callbacks are not called when unmarshalling to an instance of a |
| Java datatype that represents a simple type definition. |
| </p> |
| <p> |
| External listener is one of two different mechanisms for defining unmarshal event callbacks. |
| See <a href="Unmarshaller.html#unmarshalEventCallback">Unmarshal Event Callbacks</a> for an overview. |
| </p> |
| (@link #setListener(Listener)} |
| (@link #getListener()}</div> |
| <dl> |
| <dt><span class="simpleTagLabel">Since:</span></dt> |
| <dd>1.6, JAXB 2.0</dd> |
| </dl> |
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| <th class="colOne" scope="col">Constructor and Description</th> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../javax/xml/bind/Unmarshaller.Listener.html#Listener--">Listener</a></span>()</code> </td> |
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| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/xml/bind/Unmarshaller.Listener.html#afterUnmarshal-java.lang.Object-java.lang.Object-">afterUnmarshal</a></span>(java.lang.Object target, |
| java.lang.Object parent)</code> |
| <div class="block"> |
| Callback method invoked after unmarshalling XML data into <code>target</code>.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/xml/bind/Unmarshaller.Listener.html#beforeUnmarshal-java.lang.Object-java.lang.Object-">beforeUnmarshal</a></span>(java.lang.Object target, |
| java.lang.Object parent)</code> |
| <div class="block"> |
| Callback method invoked before unmarshalling into <code>target</code>.</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>Listener</h4> |
| <pre>public Listener()</pre> |
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| <h4>beforeUnmarshal</h4> |
| <pre>public void beforeUnmarshal(java.lang.Object target, |
| java.lang.Object parent)</pre> |
| <div class="block"><p> |
| Callback method invoked before unmarshalling into <code>target</code>. |
| </p> |
| <p> |
| This method is invoked immediately after <code>target</code> was created and |
| before the unmarshalling of this object begins. Note that |
| if the class of <code>target</code> defines its own <code>beforeUnmarshal</code> method, |
| the class specific callback method is invoked before this method is invoked.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>target</code> - non-null instance of JAXB mapped class prior to unmarshalling into it.</dd> |
| <dd><code>parent</code> - instance of JAXB mapped class that will eventually reference <code>target</code>. |
| <code>null</code> when <code>target</code> is root element.</dd> |
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| <h4>afterUnmarshal</h4> |
| <pre>public void afterUnmarshal(java.lang.Object target, |
| java.lang.Object parent)</pre> |
| <div class="block"><p> |
| Callback method invoked after unmarshalling XML data into <code>target</code>. |
| </p> |
| <p> |
| This method is invoked after all the properties (except IDREF) |
| are unmarshalled into <code>target</code>, |
| but before <code>target</code> is set into its <code>parent</code> object. |
| Note that if the class of <code>target</code> defines its own <code>afterUnmarshal</code> method, |
| the class specific callback method is invoked before this method is invoked.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>target</code> - non-null instance of JAXB mapped class prior to unmarshalling into it.</dd> |
| <dd><code>parent</code> - instance of JAXB mapped class that will reference <code>target</code>. |
| <code>null</code> when <code>target</code> is root element.</dd> |
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