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| <div class="subTitle">javax.xml.bind.annotation</div> |
| <h2 title="Interface DomHandler" class="title">Interface DomHandler<ElementT,ResultT extends javax.xml.transform.Result></h2> |
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| <pre>public interface <span class="typeNameLabel">DomHandler<ElementT,ResultT extends javax.xml.transform.Result></span></pre> |
| <div class="block">Converts an element (and its descendants) |
| from/to DOM (or similar) representation. |
| |
| <p> |
| Implementations of this interface will be used in conjunction with |
| <a href="../../../../javax/xml/bind/annotation/XmlAnyElement.html" title="annotation in javax.xml.bind.annotation"><code>XmlAnyElement</code></a> annotation to map an element of XML into a representation |
| of infoset such as W3C DOM. |
| |
| <p> |
| Implementations hide how a portion of XML is converted into/from such |
| DOM-like representation, allowing JAXB providers to work with arbitrary |
| such library. |
| |
| <P> |
| This interface is intended to be implemented by library writers |
| and consumed by JAXB providers. None of those methods are intended to |
| be called from applications.</div> |
| <dl> |
| <dt><span class="simpleTagLabel">Since:</span></dt> |
| <dd>1.6, JAXB 2.0</dd> |
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| <td class="colFirst"><code><a href="../../../../javax/xml/bind/annotation/DomHandler.html" title="type parameter in DomHandler">ResultT</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/xml/bind/annotation/DomHandler.html#createUnmarshaller-javax.xml.bind.ValidationEventHandler-">createUnmarshaller</a></span>(<a href="../../../../javax/xml/bind/ValidationEventHandler.html" title="interface in javax.xml.bind">ValidationEventHandler</a> errorHandler)</code> |
| <div class="block">When a JAXB provider needs to unmarshal a part of a document into an |
| infoset representation, it first calls this method to create a |
| <code>Result</code> object.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../javax/xml/bind/annotation/DomHandler.html" title="type parameter in DomHandler">ElementT</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/xml/bind/annotation/DomHandler.html#getElement-ResultT-">getElement</a></span>(<a href="../../../../javax/xml/bind/annotation/DomHandler.html" title="type parameter in DomHandler">ResultT</a> rt)</code> |
| <div class="block">Once the portion is sent to the <code>Result</code>.</div> |
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| <td class="colFirst"><code>javax.xml.transform.Source</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/xml/bind/annotation/DomHandler.html#marshal-ElementT-javax.xml.bind.ValidationEventHandler-">marshal</a></span>(<a href="../../../../javax/xml/bind/annotation/DomHandler.html" title="type parameter in DomHandler">ElementT</a> n, |
| <a href="../../../../javax/xml/bind/ValidationEventHandler.html" title="interface in javax.xml.bind">ValidationEventHandler</a> errorHandler)</code> |
| <div class="block">This method is called when a JAXB provider needs to marshal an element |
| to XML.</div> |
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| <h4>createUnmarshaller</h4> |
| <pre><a href="../../../../javax/xml/bind/annotation/DomHandler.html" title="type parameter in DomHandler">ResultT</a> createUnmarshaller(<a href="../../../../javax/xml/bind/ValidationEventHandler.html" title="interface in javax.xml.bind">ValidationEventHandler</a> errorHandler)</pre> |
| <div class="block">When a JAXB provider needs to unmarshal a part of a document into an |
| infoset representation, it first calls this method to create a |
| <code>Result</code> object. |
| |
| <p> |
| A JAXB provider will then send a portion of the XML |
| into the given result. Such a portion always form a subtree |
| of the whole XML document rooted at an element.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>errorHandler</code> - if any error happens between the invocation of this method |
| and the invocation of <a href="../../../../javax/xml/bind/annotation/DomHandler.html#getElement-ResultT-"><code>getElement(Result)</code></a>, they |
| must be reported to this handler. |
| |
| The caller must provide a non-null error handler. |
| |
| The <code>Result</code> object created from this method |
| may hold a reference to this error handler.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>null if the operation fails. The error must have been reported |
| to the error handler.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getElement-javax.xml.transform.Result-"> |
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| <h4>getElement</h4> |
| <pre><a href="../../../../javax/xml/bind/annotation/DomHandler.html" title="type parameter in DomHandler">ElementT</a> getElement(<a href="../../../../javax/xml/bind/annotation/DomHandler.html" title="type parameter in DomHandler">ResultT</a> rt)</pre> |
| <div class="block">Once the portion is sent to the <code>Result</code>. This method is called |
| by a JAXB provider to obtain the unmarshalled element representation. |
| |
| <p> |
| Multiple invocations of this method may return different objects. |
| This method can be invoked only when the whole sub-tree are fed |
| to the <code>Result</code> object.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>rt</code> - The <code>Result</code> object created by <a href="../../../../javax/xml/bind/annotation/DomHandler.html#createUnmarshaller-javax.xml.bind.ValidationEventHandler-"><code>createUnmarshaller(ValidationEventHandler)</code></a>.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>null if the operation fails. The error must have been reported |
| to the error handler.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="marshal-java.lang.Object-javax.xml.bind.ValidationEventHandler-"> |
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| </a><a name="marshal-ElementT-javax.xml.bind.ValidationEventHandler-"> |
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| <h4>marshal</h4> |
| <pre>javax.xml.transform.Source marshal(<a href="../../../../javax/xml/bind/annotation/DomHandler.html" title="type parameter in DomHandler">ElementT</a> n, |
| <a href="../../../../javax/xml/bind/ValidationEventHandler.html" title="interface in javax.xml.bind">ValidationEventHandler</a> errorHandler)</pre> |
| <div class="block">This method is called when a JAXB provider needs to marshal an element |
| to XML. |
| |
| <p> |
| If non-null, the returned <code>Source</code> must contain a whole document |
| rooted at one element, which will then be weaved into a bigger document |
| that the JAXB provider is marshalling.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>errorHandler</code> - Receives any errors happened during the process of converting |
| an element into a <code>Source</code>. |
| |
| The caller must provide a non-null error handler.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>null if there was an error. The error should have been reported |
| to the handler.</dd> |
| </dl> |
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