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## org.apache.fop.render.intermediate
Class AbstractIFDocumentHandler

    java.lang.Object
      org.apache.fop.render.intermediate.AbstractIFDocumentHandler

All Implemented Interfaces:
  IFDocumentHandler

Direct Known Subclasses:
  AbstractBinaryWritingIFDocumentHandler, AbstractXMLWritingIFDocumentHandler

    public abstract class AbstractIFDocumentHandler

extends java.lang.Object
implements IFDocumentHandler

Abstract base class for `IFDocumentHandler` implementations.

Constructor Summary
`protected` | `AbstractIFDocumentHandler(IFContext context)` Default constructor.

Method Summary
`void` | `endDocumentHeader()` Indicates the end of the document header.
`void` | `endDocumentTrailer()` Indicates the end of the document trailer.
`void` | `endPageHeader()` Indicates the end of the page header.
`void` | `endPageTrailer()` Indicates the end of the page trailer.
`IFContext` | `getContext()` Returns the associated intermediate format context object.
`IFDocumentNavigationHandler` | `getDocumentNavigationHandler()` Returns a document navigation handler if this feature is supported.
`StructureTreeEventHandler` | `getStructureTreeEventHandler()`
`FOUserAgent` | `getUserAgent()` Returns the associated user agent.
`void` | `setDocumentLocale(java.util.Locale locale)`
`void` | `startDocument()` Indicates the start of a document.
`void` | `startDocumentHeader()` Indicates the start of the document header.
`void` | `startDocumentTrailer()` Indicates the start of the document trailer.
`void` | `startPageHeader()` Indicates the start of the page header.
`void` | `startPageTrailer()` Indicates the start of the page trailer.

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

Methods inherited from interface org.apache.fop.render.intermediate.IFDocumentHandler
`endDocument, endPage, endPageContent, endPageSequence, getConfigurator, getFontInfo, getMimeType, handleExtensionObject, setDefaultFontInfo, setFontInfo, setResult, startPage, startPageContent, startPageSequence, supportsPagesOutOfOrder`

Constructor Detail

### AbstractIFDocumentHandler

    protected AbstractIFDocumentHandler(IFContext context)

  Default constructor.

Method Detail

### getContext

    public IFContext getContext()

  Returns the associated intermediate format context object.

  Specified by:
    `getContext` in interface `IFDocumentHandler`
  Returns:
    the context object

### getUserAgent

    public FOUserAgent getUserAgent()

  Returns the associated user agent.

  Returns:
    the user agent

### getStructureTreeEventHandler

    public StructureTreeEventHandler getStructureTreeEventHandler()

  Specified by:
    `getStructureTreeEventHandler` in interface `IFDocumentHandler`
  Returns:
    the structure tree builder

### getDocumentNavigationHandler

    public IFDocumentNavigationHandler getDocumentNavigationHandler()

  Returns a document navigation handler if this feature is supported.

  Specified by:
    `getDocumentNavigationHandler` in interface `IFDocumentHandler`
  Returns:
    the document navigation handler or null if not supported

### startDocument

    public void startDocument()
                       throws IFException

  Indicates the start of a document. This method may only be called once before any other event method.

  Specified by:
    `startDocument` in interface `IFDocumentHandler`
  Throws:
    `IFException` - if an error occurs while handling this event

### setDocumentLocale

    public void setDocumentLocale(java.util.Locale locale)

  Specified by:
    `setDocumentLocale` in interface `IFDocumentHandler`
  Parameters:
    `locale` - Locale of the document.

### startDocumentHeader

    public void startDocumentHeader()
                             throws IFException

  Indicates the start of the document header. This method is called right after the `IFDocumentHandler.startDocument()` method. Extensions sent to this painter between `IFDocumentHandler.startDocumentHeader()` and `IFDocumentHandler.endDocumentHeader()` apply to the document as a whole (like document metadata).

  Specified by:
    `startDocumentHeader` in interface `IFDocumentHandler`
  Throws:
    `IFException` - if an error occurs while handling this event

### endDocumentHeader

    public void endDocumentHeader()
                           throws IFException

  Indicates the end of the document header. This method is called before the first page sequence.

  Specified by:
    `endDocumentHeader` in interface `IFDocumentHandler`
  Throws:
    `IFException` - if an error occurs while handling this event

### startDocumentTrailer

    public void startDocumentTrailer()
                              throws IFException

  Indicates the start of the document trailer. This method is called after the last page sequence. Extensions sent to the painter between `IFDocumentHandler.startDocumentTrailer()` and `IFDocumentHandler.endDocumentTrailer()` apply to the document as a whole and is used for document-level content that is only known after all pages have been rendered (like named destinations or the bookmark tree).

  Specified by:
    `startDocumentTrailer` in interface `IFDocumentHandler`
  Throws:
    `IFException` - if an error occurs while handling this event

### endDocumentTrailer

    public void endDocumentTrailer()
                            throws IFException

  Indicates the end of the document trailer. This method is called right before the `IFDocumentHandler.endDocument()` method.

  Specified by:
    `endDocumentTrailer` in interface `IFDocumentHandler`
  Throws:
    `IFException` - if an error occurs while handling this event

### startPageHeader

    public void startPageHeader()
                         throws IFException

  Indicates the start of the page header.

  Specified by:
    `startPageHeader` in interface `IFDocumentHandler`
  Throws:
    `IFException` - if an error occurs while handling this event

### endPageHeader

    public void endPageHeader()
                       throws IFException

  Indicates the end of the page header.

  Specified by:
    `endPageHeader` in interface `IFDocumentHandler`
  Throws:
    `IFException` - if an error occurs while handling this event

### startPageTrailer

    public void startPageTrailer()
                          throws IFException

  Indicates the start of the page trailer. The page trailer is used for writing down page elements which are only know after handling the page itself (like PDF targets).

  Specified by:
    `startPageTrailer` in interface `IFDocumentHandler`
  Throws:
    `IFException` - if an error occurs while handling this event

### endPageTrailer

    public void endPageTrailer()
                        throws IFException

  Indicates the end of the page trailer.

  Specified by:
    `endPageTrailer` in interface `IFDocumentHandler`
  Throws:
    `IFException` - if an error occurs while handling this event

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