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## org.apache.fop.fo.extensions.xmp
Class AbstractMetadataElement

    java.lang.Object
      org.apache.fop.fo.FONode
          org.apache.fop.fo.extensions.xmp.AbstractMetadataElement

All Implemented Interfaces:
  java.lang.Cloneable, java.util.EventListener, ContentHandlerFactory.ObjectBuiltListener

Direct Known Subclasses:
  RDFElement, XMPMetaElement

    public abstract class AbstractMetadataElement

extends FONode
implements ContentHandlerFactory.ObjectBuiltListener

Abstract base class for the XMP and RDF root nodes.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.fop.fo.FONode
`FONode.FONodeIterator, FONode.GatherContextInfoFunction`

Field Summary

Fields inherited from class org.apache.fop.fo.FONode
`FO_URI, FOX_URI, locator, log, parent, siblings`

Constructor Summary
`AbstractMetadataElement(FONode parent)` Main constructor.

Method Summary
`ContentHandlerFactory` | `getContentHandlerFactory()` This method is overridden by extension elements and allows the extension element to return a `ContentHandlerFactory`.
`ExtensionAttachment` | `getExtensionAttachment()` This method is overridden by extension elements and allows the extension element to return a pass-through attachment which the parent formatting objects should simply carry with them but otherwise ignore.
`void` | `notifyObjectBuilt(java.lang.Object obj)` Notifies the listener when the object is fully built.

Methods inherited from class org.apache.fop.fo.FONode
`addCharacters, addChildNode, attachSiblings, bind, canHaveMarkers, characters, charIterator, clone, clone, collectDelimitedTextRanges, collectDelimitedTextRanges, createPropertyList, decorateWithContextInfo, endOfNode, errorText, finalizeNode, gatherContextInfo, getBuilderContext, getChildNodes, getChildNodes, getContextInfo, getContextInfoAlt, getFOEventHandler, getFOValidationEventProducer, getLocalName, getLocator, getLocatorString, getLogger, getName, getName, getNameId, getNamespaceURI, getNodePrefix, getNodeString, getNormalNamespacePrefix, getParent, getRoot, getStructureTreeElement, getUserAgent, inMarker, invalidChildError, invalidChildError, invalidPropertyValueError, isBidiRangeBlockItem, isDelimitedTextRangeBoundary, missingChildElementError, missingChildElementError, missingPropertyError, nodesOutOfOrderError, nodesOutOfOrderError, notSupportedChildError, processNode, removeChild, setLocator, setStructureTreeElement, startOfNode, tooManyNodesError, tooManyNodesError, tooManyNodesError, validateChildNode, validateChildNode, warningText`

Methods inherited from class java.lang.Object
`equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### AbstractMetadataElement

    public AbstractMetadataElement(FONode parent)

  Main constructor.

  Parameters:
    `parent` - the parent formatting object

Method Detail

### getContentHandlerFactory

    public ContentHandlerFactory getContentHandlerFactory()

  This method is overridden by extension elements and allows the extension element to return a `ContentHandlerFactory`. This factory can create ContentHandler implementations that handle foreign XML content by either building up a specific DOM, a Java object or something else.

  Overrides:
    `getContentHandlerFactory` in class `FONode`
  Returns:
    the `ContentHandlerFactory` or `null` if not applicable

### getExtensionAttachment

    public ExtensionAttachment getExtensionAttachment()

  This method is overridden by extension elements and allows the extension element to return a pass-through attachment which the parent formatting objects should simply carry with them but otherwise ignore. This mechanism is used to pass non-standard information from the FO tree through to the layout engine and the renderers.

  Overrides:
    `getExtensionAttachment` in class `FONode`
  Returns:
    the extension attachment if one is created by the extension element, null otherwise.

### notifyObjectBuilt

    public void notifyObjectBuilt(java.lang.Object obj)

  Notifies the listener when the object is fully built.

  Specified by:
    `notifyObjectBuilt` in interface `ContentHandlerFactory.ObjectBuiltListener`
  Parameters:
    `obj` - the newly built object

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