com.itextpdf.tool.xml.pipeline.css

Class CssResolverPipeline

java.lang.Object

com.itextpdf.tool.xml.pipeline.AbstractPipeline<ObjectContext<CSSResolver>>

com.itextpdf.tool.xml.pipeline.css.CssResolverPipeline

All Implemented Interfaces:

Pipeline<ObjectContext<CSSResolver>>

public class CssResolverPipeline
extends AbstractPipeline<ObjectContext<CSSResolver>>

This Pipeline resolves CSS for the Tags it receives in open(WorkerContext, Tag, ProcessObject)

Author:

redlab_b

Field Summary

Fields

Modifier and Type	Field and Description
static String	CSS_RESOLVER

Constructor Summary

Constructors

Constructor and Description
CssResolverPipeline(CSSResolver cssResolver, Pipeline<?> next)

Method Summary

Modifier and Type	Method and Description
String	getContextKey() This allows the descendant classes to be fetched from the context.
Pipeline<?>	init(WorkerContext context) The init method allows implementation to initialize the pipeline.
Pipeline<?>	open(WorkerContext context, Tag t, ProcessObject po) Just calls getNext. Override this to get notified on encountered opening tags.
void	setResolver(CSSResolver resolver) Stores the cssResolver for the calling thread.

Methods inherited from class com.itextpdf.tool.xml.pipeline.AbstractPipeline

close, content, getLocalContext, getNext, setNext

Methods inherited from class java.lang.Object

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

Field Detail

CSS_RESOLVER

public static final String CSS_RESOLVER

See Also:

Constant Field Values

Constructor Detail

CssResolverPipeline

public CssResolverPipeline(CSSResolver cssResolver,
                           Pipeline<?> next)

Parameters:

next - the next pipeline.

cssResolver - the CSSResolver to use in this Pipeline, it will be stored in a ThreadLocal variable.

Method Detail

getContextKey

public String getContextKey()

This allows the descendant classes to be fetched from the context.

Overrides:

getContextKey in class AbstractPipeline<ObjectContext<CSSResolver>>

Returns:

getClass().getName() as name.

init

public Pipeline<?> init(WorkerContext context)
                 throws PipelineException

Description copied from interface: Pipeline

The init method allows implementation to initialize the pipeline. e.g. Initialize their CustomContext here and add it to the WorkerContext through WorkerContext.put(String, CustomContext).

Specified by:

init in interface Pipeline<ObjectContext<CSSResolver>>

Overrides:

init in class AbstractPipeline<ObjectContext<CSSResolver>>

Parameters:

context - the WorkerContext

Returns:

the next pipeline in line

Throws:

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

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<ObjectContext<CSSResolver>>

Overrides:

open in class AbstractPipeline<ObjectContext<CSSResolver>>

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.

setResolver

public void setResolver(CSSResolver resolver)

Stores the cssResolver for the calling thread.

Parameters:

resolver - the CSSResolver to use.