Class ElementHandlerPipeline

java.lang.Object

com.itextpdf.tool.xml.pipeline.AbstractPipeline

com.itextpdf.tool.xml.pipeline.end.ElementHandlerPipeline

All Implemented Interfaces:

Pipeline

public class ElementHandlerPipeline
extends AbstractPipeline

As the PdfWriterPipeline but this one just passes everything on to an ElementHandler. Allowing you to get all Writables at the end of the pipeline. (or in between)

Field Summary

Fields

Modifier and Type	Field	Description
private final ElementHandler	handler

Constructor Summary

Constructors

Constructor	Description
ElementHandlerPipeline(ElementHandler handler, Pipeline next)	Does not use a context.

Method Summary

Modifier and Type	Method	Description
Pipeline	close(WorkerContext context, Tag t, ProcessObject po)	Just calls getNext. Override this to get notified on encountered closing tags.
private void	consume(ProcessObject po)	Called in open, content and close to pass the Writables to the handler
Pipeline<?>	content(WorkerContext ctx, Tag currentTag, String text, ProcessObject po)	Just calls getNext. Override this to get notified on encountered content.
Pipeline	open(WorkerContext context, Tag t, ProcessObject po)	Just calls getNext. Override this to get notified on encountered opening tags.

Methods inherited from class AbstractPipeline

getContextKey, getLocalContext, getNext, init, setNext

Methods inherited from class Object

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

Field Details

handler

private final ElementHandler handler

Constructor Details

ElementHandlerPipeline

public ElementHandlerPipeline(ElementHandler handler,
 Pipeline next)

Does not use a context.

Parameters:

handler - the ElementHandler

next - the next pipeline in line. (or null if none )

Method Details

open

public Pipeline open(WorkerContext context,
 Tag t,
 ProcessObject po)
              throws PipelineException

Description copied from class: AbstractPipeline

Just calls getNext.
Override this to get notified on encountered opening tags.

Specified by:

open in interface Pipeline

Overrides:

open in class AbstractPipeline

Parameters:

context - the WorkerContext

t - the Tag

po - a processObject to put Writables in

Returns:

the next pipeline in line

Throws:

PipelineException - can be thrown to indicate that something went wrong.

consume

private void consume(ProcessObject po)

Called in open, content and close to pass the Writables to the handler

Parameters:

po -

content

public Pipeline<?> content(WorkerContext ctx,
 Tag currentTag,
 String text,
 ProcessObject po)
                    throws PipelineException

Description copied from class: AbstractPipeline

Just calls getNext.
Override this to get notified on encountered content.

Specified by:

content in interface Pipeline

Overrides:

content in class AbstractPipeline

Parameters:

ctx - the WorkerContext

currentTag - the Tag

text - the content

po - a processObject to put Writables in

Returns:

the next pipeline in line

Throws:

PipelineException - can be thrown to indicate that something went wrong.

close

public Pipeline close(WorkerContext context,
 Tag t,
 ProcessObject po)
               throws PipelineException

Description copied from class: AbstractPipeline

Just calls getNext.
Override this to get notified on encountered closing tags.

Specified by:

close in interface Pipeline

Overrides:

close in class AbstractPipeline

Parameters:

context - the WorkerContext

t - the Tag

po - a processObject to put Writables in

Returns:

the next pipeline in line

Throws:

PipelineException - can be thrown to indicate that something went wrong.