public class W3CDomHandler extends Object implements DomHandler<Element,DOMResult>
DomHandler
implementation for W3C DOM (org.w3c.dom
package.)
public W3CDomHandler()
Default constructor. It is up to a JAXB provider to decide which DOM implementation to use or how that is configured.
public W3CDomHandler(DocumentBuilder builder)
Constructor that allows applications to specify which DOM implementation to be used.
builder
- must not be null. JAXB uses this DocumentBuilder
to create a new element.public DocumentBuilder getBuilder()
public void setBuilder(DocumentBuilder builder)
public DOMResult createUnmarshaller(ValidationEventHandler errorHandler)
Description copied from interface: DomHandler
When a JAXB provider needs to unmarshal a part of a document into an infoset representation, it first calls this method to create a Result
object.
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.
createUnmarshaller
in interface DomHandler<Element,DOMResult>
errorHandler
- if any error happens between the invocation of this method and the invocation of DomHandler.getElement(Result)
, they must be reported to this handler. The caller must provide a non-null error handler. The Result
object created from this method may hold a reference to this error handler.public Element getElement(DOMResult r)
Description copied from interface: DomHandler
Once the portion is sent to the Result
. This method is called by a JAXB provider to obtain the unmarshalled element representation.
Multiple invocations of this method may return different objects. This method can be invoked only when the whole sub-tree are fed to the Result
object.
getElement
in interface DomHandler<Element,DOMResult>
r
- The Result
object created by DomHandler.createUnmarshaller(ValidationEventHandler)
.public Source marshal(Element element, ValidationEventHandler errorHandler)
Description copied from interface: DomHandler
This method is called when a JAXB provider needs to marshal an element to XML.
If non-null, the returned Source
must contain a whole document rooted at one element, which will then be weaved into a bigger document that the JAXB provider is marshalling.
marshal
in interface DomHandler<Element,DOMResult>
errorHandler
- Receives any errors happened during the process of converting an element into a Source
. The caller must provide a non-null error handler.
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