org.nuiton.processor.filters

Class DefaultFilter

java.lang.Object

org.nuiton.processor.filters.DefaultFilter

All Implemented Interfaces:

Filter

Direct Known Subclasses:

GeneratorTemplatesFilter, GeneratorTemplatesFilterIn, LogsFilter, OptimisationFilter, ProcessorUtil.FragmentExtractor, ProcessorUtil.FragmentRemover

public abstract class DefaultFilter
extends Object
implements Filter

A common astract filter. This classe offer getLineNumber method to know line number currently read from source reader. You must implements the methods :

• getHeader()
• getFooter()
• performInFilter(String)
• performOutFilter(String)

Author:

poussin

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected static class	DefaultFilter.State Type of states

Field Summary

Fields

Modifier and Type	Field and Description
protected StringBuffer	cachedContent le buffer interne pour conserve ce qui n'a pas encore été écrit
static int	NOT_FOUND
protected LineNumberReader	reader
protected DefaultFilter.State	state l'état interne du filtre

Fields inherited from interface org.nuiton.processor.filters.Filter

EMPTY_STRING

Constructor Summary

Constructors

Constructor and Description
DefaultFilter()

Method Summary

Methods

Modifier and Type	Method and Description
protected void	changeState(DefaultFilter.State newState)
String	flush()
protected abstract String	getFooter()
protected abstract String	getHeader()
int	getLineNumber() Return line currently read in source reader
int	getMatchIndexFor(String input, String sequence)
int	getMatchLengthFor(String sequence)
boolean	hasCachedData()
String	parse(String input)
String	performHeaderFooterFilter(String ch)
protected abstract String	performInFilter(String ch) methode appele lorsqu'on a la chaine entiere entre le header et le footer.
protected abstract String	performOutFilter(String ch) methode appele lorsqu'on a la chaine entiere a l'exterieur du header/footer
void	setReader(LineNumberReader reader) set reader used with this filter

Methods inherited from class java.lang.Object

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

Field Detail

NOT_FOUND

public static final int NOT_FOUND

See Also:

Constant Field Values

reader

protected LineNumberReader reader

cachedContent

protected StringBuffer cachedContent

le buffer interne pour conserve ce qui n'a pas encore été écrit

state

protected DefaultFilter.State state

l'état interne du filtre

Constructor Detail

DefaultFilter

public DefaultFilter()

Method Detail

performInFilter

protected abstract String performInFilter(String ch)

methode appele lorsqu'on a la chaine entiere entre le header et le footer.

Parameters:

ch - la chaine trouve

Returns:

ce qu'il faut ecrire dans le fichier de sortie

performOutFilter

protected abstract String performOutFilter(String ch)

methode appele lorsqu'on a la chaine entiere a l'exterieur du header/footer

Parameters:

ch - la chaine trouve

Returns:

ce qu'il faut ecrire dans le fichier de sortie

getHeader

protected abstract String getHeader()

Returns:

la chaine du header

getFooter

protected abstract String getFooter()

Returns:

la chaine du footer

setReader

public void setReader(LineNumberReader reader)

Description copied from interface: Filter

set reader used with this filter

Specified by:

setReader in interface Filter

getLineNumber

public int getLineNumber()

Return line currently read in source reader

Returns:

line number or -1 if no reader available

parse

public String parse(String input)

Specified by:

parse in interface Filter

Parameters:

input - la chaine de caractère à processer

Returns:

la chaine processée

performHeaderFooterFilter

public String performHeaderFooterFilter(String ch)

getMatchIndexFor

public int getMatchIndexFor(String input,
                   String sequence)

getMatchLengthFor

public int getMatchLengthFor(String sequence)

hasCachedData

public boolean hasCachedData()

Specified by:

hasCachedData in interface Filter

Returns:

true si le filtre contient des données en cache

flush

public String flush()

Specified by:

flush in interface Filter

Returns:

la chaine de caractères

changeState

protected void changeState(DefaultFilter.State newState)