org.apache.lucene.analysis.compound.hyphenation
Class PatternParser

java.lang.Object
  org.xml.sax.helpers.DefaultHandler
      org.apache.lucene.analysis.compound.hyphenation.PatternParser

All Implemented Interfaces:

ContentHandler, DTDHandler, EntityResolver, ErrorHandler

public class PatternParser
extends DefaultHandler

A SAX document handler to read and parse hyphenation patterns from a XML file. This class has been taken from the Apache FOP project (http://xmlgraphics.apache.org/fop/). They have been slightly modified.

Constructor Summary

PatternParser()

PatternParser(PatternConsumer consumer)

Method Summary

void	characters(char[] ch, int start, int length)
void	endElement(String uri, String local, String raw)
protected String	getExceptionWord(ArrayList<?> ex)
protected static String	getInterletterValues(String pat)
protected static String	getPattern(String word)
protected ArrayList<Object>	normalizeException(ArrayList<?> ex)
void	parse(File file) Parses a hyphenation pattern file.
void	parse(InputSource source) Parses a hyphenation pattern file.
void	parse(String filename) Parses a hyphenation pattern file.
protected String	readToken(StringBuffer chars)
InputSource	resolveEntity(String publicId, String systemId)
void	setConsumer(PatternConsumer consumer)
void	startElement(String uri, String local, String raw, Attributes attrs)

Methods inherited from class org.xml.sax.helpers.DefaultHandler

endDocument, endPrefixMapping, error, fatalError, ignorableWhitespace, notationDecl, processingInstruction, setDocumentLocator, skippedEntity, startDocument, startPrefixMapping, unparsedEntityDecl, warning

Methods inherited from class java.lang.Object

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

Constructor Detail

PatternParser

public PatternParser()

PatternParser

public PatternParser(PatternConsumer consumer)

Method Detail

setConsumer

public void setConsumer(PatternConsumer consumer)

parse

public void parse(String filename)
           throws IOException

Parses a hyphenation pattern file.

Parameters:

filename - the filename

Throws:

IOException - In case of an exception while parsing

parse

public void parse(File file)
           throws IOException

Parses a hyphenation pattern file.

Parameters:

file - the pattern file

Throws:

IOException - In case of an exception while parsing

parse

public void parse(InputSource source)
           throws IOException

Parses a hyphenation pattern file.

Parameters:

source - the InputSource for the file

Throws:

IOException - In case of an exception while parsing

readToken

protected String readToken(StringBuffer chars)

getPattern

protected static String getPattern(String word)

normalizeException

protected ArrayList<Object> normalizeException(ArrayList<?> ex)

getExceptionWord

protected String getExceptionWord(ArrayList<?> ex)

getInterletterValues

protected static String getInterletterValues(String pat)

resolveEntity

public InputSource resolveEntity(String publicId,
                                 String systemId)

Specified by:

resolveEntity in interface EntityResolver

Overrides:

resolveEntity in class DefaultHandler

startElement

public void startElement(String uri,
                         String local,
                         String raw,
                         Attributes attrs)

Specified by:

startElement in interface ContentHandler

Overrides:

startElement in class DefaultHandler

See Also:

ContentHandler.startElement(java.lang.String, java.lang.String, java.lang.String, org.xml.sax.Attributes)

endElement

public void endElement(String uri,
                       String local,
                       String raw)

Specified by:

endElement in interface ContentHandler

Overrides:

endElement in class DefaultHandler

See Also:

ContentHandler.endElement(java.lang.String, java.lang.String, java.lang.String)

characters

public void characters(char[] ch,
                       int start,
                       int length)

Specified by:

characters in interface ContentHandler

Overrides:

characters in class DefaultHandler

See Also:

ContentHandler.characters(char[], int, int)