org.apache.fop.render.intermediate.util
Class IFDocumentHandlerProxy

java.lang.Object
  org.apache.fop.render.intermediate.util.IFDocumentHandlerProxy

All Implemented Interfaces:

IFDocumentHandler

public class IFDocumentHandlerProxy
extends java.lang.Object
implements IFDocumentHandler

This class is a simple proxy that delegates all method calls to another IFDocumentHandler instance.

Field Summary

protected IFDocumentHandler

delegate the delegate IFDocumentHandler

Constructor Summary

IFDocumentHandlerProxy(IFDocumentHandler delegate)
Creates a new proxy instance.

Method Summary

void	endDocument() Indicates the end of a document.
void	endDocumentHeader() Indicates the end of the document header.
void	endDocumentTrailer() Indicates the end of the document trailer.
void	endPage() Indicates the end of a page
void	endPageContent() Indicates the end of the page content.
void	endPageHeader() Indicates the end of the page header.
void	endPageSequence() Indicates the end of a page sequence.
void	endPageTrailer() Indicates the end of the page trailer.
IFDocumentHandlerConfigurator	getConfigurator() Returns the configurator for this document handler, if any.
IFContext	getContext() Returns the associated intermediate format context object.
IFDocumentNavigationHandler	getDocumentNavigationHandler() Returns a document navigation handler if this feature is supported.
FontInfo	getFontInfo() Returns the font set to work with.
java.lang.String	getMimeType() Returns the MIME type of the output format that is generated by this implementation.
void	handleExtensionObject(java.lang.Object extension) Handles an extension object.
void	setContext(IFContext context) Sets the intermediate format context object.
void	setDefaultFontInfo(FontInfo fontInfo) Sets the default font set (with no custom configuration).
void	setFontInfo(FontInfo fontInfo) Sets the font set to work with.
void	setResult(javax.xml.transform.Result result) Sets the JAXP Result object to receive the generated content.
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	startPage(int index, java.lang.String name, java.lang.String pageMasterName, java.awt.Dimension size) Indicates the start of a new page.
IFPainter	startPageContent() Indicates the start of the page content.
void	startPageHeader() Indicates the start of the page header.
void	startPageSequence(java.lang.String id) Indicates the start of a new page sequence.
void	startPageTrailer() Indicates the start of the page trailer.
boolean	supportsPagesOutOfOrder() Indicates whether the painter supports to handle the pages in mixed order rather than ascending order.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

delegate

protected IFDocumentHandler delegate

the delegate IFDocumentHandler

Constructor Detail

IFDocumentHandlerProxy

public IFDocumentHandlerProxy(IFDocumentHandler delegate)

Creates a new proxy instance.

Parameters:

delegate - the delegate instance

Method Detail

supportsPagesOutOfOrder

public boolean supportsPagesOutOfOrder()

Indicates whether the painter supports to handle the pages in mixed order rather than ascending order.

Specified by:

supportsPagesOutOfOrder in interface IFDocumentHandler

Returns:

true if out-of-order handling is supported

getMimeType

public java.lang.String getMimeType()

Returns the MIME type of the output format that is generated by this implementation.

Specified by:

getMimeType in interface IFDocumentHandler

Returns:

the MIME type

setContext

public void setContext(IFContext context)

Sets the intermediate format context object.

Specified by:

setContext in interface IFDocumentHandler

Parameters:

context - the context object

getContext

public IFContext getContext()

Returns the associated intermediate format context object.

Specified by:

getContext in interface IFDocumentHandler

Returns:

the context object

getFontInfo

public FontInfo getFontInfo()

Returns the font set to work with.

Specified by:

getFontInfo in interface IFDocumentHandler

Returns:

the font info object

setFontInfo

public void setFontInfo(FontInfo fontInfo)

Sets the font set to work with.

Specified by:

setFontInfo in interface IFDocumentHandler

Parameters:

fontInfo - the font info object

setDefaultFontInfo

public void setDefaultFontInfo(FontInfo fontInfo)

Sets the default font set (with no custom configuration).

Specified by:

setDefaultFontInfo in interface IFDocumentHandler

Parameters:

fontInfo - the font info object to populate

getConfigurator

public IFDocumentHandlerConfigurator getConfigurator()

Returns the configurator for this document handler, if any.

Specified by:

getConfigurator in interface IFDocumentHandler

Returns:

the configurator or null if there's no configurator

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

setResult

public void setResult(javax.xml.transform.Result result)
               throws IFException

Sets the JAXP Result object to receive the generated content.

Specified by:

setResult in interface IFDocumentHandler

Parameters:

result - the JAXP Result object to receive the generated content

Throws:

IFException - if an error occurs setting up the output

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

startDocumentHeader

public void startDocumentHeader()
                         throws IFException

Indicates the start of the document header. This method is called right after the #startDocument() method. Extensions sent to this painter between #startDocumentHeader() and #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

startPageSequence

public void startPageSequence(java.lang.String id)
                       throws IFException

Indicates the start of a new page sequence.

Specified by:

startPageSequence in interface IFDocumentHandler

Parameters:

id - the page sequence's identifier (or null if none is available)

Throws:

IFException - if an error occurs while handling this event

startPage

public void startPage(int index,
                      java.lang.String name,
                      java.lang.String pageMasterName,
                      java.awt.Dimension size)
               throws IFException

Indicates the start of a new page.

Specified by:

startPage in interface IFDocumentHandler

Parameters:

index - the index of the page (0-based)

name - the page name (usually the formatted page number)

pageMasterName - the name of the simple-page-master that generated this page

size - the size of the page (equivalent to the MediaBox in PDF)

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

startPageContent

public IFPainter startPageContent()
                           throws IFException

Indicates the start of the page content. The method returns an IFPainter interface which is used to paint the page contents.

Specified by:

startPageContent in interface IFDocumentHandler

Returns:

the IFPainter for the page content

Throws:

IFException - if an error occurs while handling this event

endPageContent

public void endPageContent()
                    throws IFException

Indicates the end of the page content. Calls to the IFPainter returned by the respective #startPageContent() method are illegal.

Specified by:

endPageContent 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

endPage

public void endPage()
             throws IFException

Indicates the end of a page

Specified by:

endPage in interface IFDocumentHandler

Throws:

IFException - if an error occurs while handling this event

endPageSequence

public void endPageSequence()
                     throws IFException

Indicates the end of a page sequence.

Specified by:

endPageSequence 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 #startDocumentTrailer() and #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 #endDocument() method.

Specified by:

endDocumentTrailer in interface IFDocumentHandler

Throws:

IFException - if an error occurs while handling this event

endDocument

public void endDocument()
                 throws IFException

Indicates the end of a document. This method may only be called once after the whole document has been handled. Implementations can release resources (close streams). It is an error to call any event method after this method.

Specified by:

endDocument in interface IFDocumentHandler

Throws:

IFException - if an error occurs while handling this event

handleExtensionObject

public void handleExtensionObject(java.lang.Object extension)
                           throws IFException

Handles an extension object. This can be a DOM document or any arbitrary object. If an implementation doesn't know how to handle a particular extension it is simply ignored.

Specified by:

handleExtensionObject in interface IFDocumentHandler

Parameters:

extension - the extension object

Throws:

IFException - if an error occurs while handling this event