org.xhtmlrenderer.context

Class StylesheetFactoryImpl

java.lang.Object

org.xhtmlrenderer.context.StylesheetFactoryImpl

All Implemented Interfaces:

StylesheetFactory

public class StylesheetFactoryImpl
extends Object
implements StylesheetFactory

A Factory class for Cascading Style Sheets. Sheets are parsed using a single parser instance for all sheets. Sheets are cached by URI using a LRU test, but timestamp of file is not checked.

Author:

Torbjoern Gannholm

Constructor Summary

Constructors

Constructor and Description
StylesheetFactoryImpl(UserAgentCallback userAgentCallback)

Method Summary

Modifier and Type	Method and Description
boolean	containsStylesheet(Object key)
void	flushCachedStylesheets()
Stylesheet	getCachedStylesheet(Object key) Returns a cached sheet by its key; null if no entry for that key.
Stylesheet	getStylesheet(StylesheetInfo info) Returns a cached sheet by its key; loads and caches it if not in cache; null if not able to load
Stylesheet	parse(Reader reader, StylesheetInfo info)
Ruleset	parseStyleDeclaration(int origin, String styleDeclaration)
void	putStylesheet(Object key, Stylesheet sheet) Adds a stylesheet to the factory cache.
Object	removeCachedStylesheet(Object key) Removes a cached sheet by its key.
void	setSupportCMYKColors(boolean b)
void	setUserAgentCallback(UserAgentCallback userAgent)

Methods inherited from class java.lang.Object

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

Constructor Detail

StylesheetFactoryImpl

public StylesheetFactoryImpl(UserAgentCallback userAgentCallback)

Method Detail

parse

public Stylesheet parse(Reader reader,
                        StylesheetInfo info)

Specified by:

parse in interface StylesheetFactory

parseStyleDeclaration

public Ruleset parseStyleDeclaration(int origin,
                                     String styleDeclaration)

Specified by:

parseStyleDeclaration in interface StylesheetFactory

putStylesheet

public void putStylesheet(Object key,
                          Stylesheet sheet)

Adds a stylesheet to the factory cache. Will overwrite older entry for same key.

Parameters:

key - Key to use to reference sheet later; must be unique in factory.

sheet - The sheet to cache.

containsStylesheet

public boolean containsStylesheet(Object key)

Parameters:

key -

Returns:

true if a Stylesheet with this key has been put in the cache. Note that the Stylesheet may be null.

getCachedStylesheet

public Stylesheet getCachedStylesheet(Object key)

Returns a cached sheet by its key; null if no entry for that key.

Parameters:

key - The key for this sheet; same as key passed to putStylesheet();

Returns:

The stylesheet

removeCachedStylesheet

public Object removeCachedStylesheet(Object key)

Removes a cached sheet by its key.

Parameters:

key - The key for this sheet; same as key passed to putStylesheet();

flushCachedStylesheets

public void flushCachedStylesheets()

getStylesheet

public Stylesheet getStylesheet(StylesheetInfo info)

Returns a cached sheet by its key; loads and caches it if not in cache; null if not able to load

Specified by:

getStylesheet in interface StylesheetFactory

Parameters:

info - The StylesheetInfo for this sheet

Returns:

The stylesheet

setUserAgentCallback

public void setUserAgentCallback(UserAgentCallback userAgent)

setSupportCMYKColors

public void setSupportCMYKColors(boolean b)