org.cdlib.xtf.textIndexer
Class MARCIndexSource.RecordHandler

Object
  Thread
      MARCIndexSource.RecordHandler

All Implemented Interfaces:

Runnable, ContentHandler

Enclosing class:

MARCIndexSource

private class MARCIndexSource.RecordHandler
extends Thread
implements ContentHandler

Handles running blocks of records through the stylesheet

Nested Class Summary

Nested classes/interfaces inherited from class Thread

Thread.State, Thread.UncaughtExceptionHandler

Field Summary

private StringBuffer	buffer Accumulates the current MARCXML record
Throwable	error If an exception occured, it is recorded here
boolean	isDone Set to true when this thread has finished its business.
String	parsedMarcXML A single parsed MARCXML record
private Vector	prefixNames Names of XML namespace prefixes
private Vector	prefixUris URIs of XML namespace prefixes
private HashMap	prefixUriToName Mapping from URI to name
private int	recordNum

Fields inherited from class Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

private

MARCIndexSource.RecordHandler()

Method Summary

private void	beginChunk()
void	characters(char[] ch, int start, int length)
String	convertFromUTF8(char[] chars, int start, int length) Look for probable UTF-8 encoding.
private void	convertRecords()
private void	endChunk()
void	endDocument()
void	endElement(String uri, String localName, String qName)
void	endPrefixMapping(String prefix)
void	ignorableWhitespace(char[] ch, int start, int length)
void	processingInstruction(String target, String data)
void	run()
void	setDocumentLocator(Locator locator)
private boolean	skipBadRecord()
void	skippedEntity(String name)
void	startDocument()
void	startElement(String uri, String localName, String qName, Attributes atts)
void	startPrefixMapping(String prefix, String uri)

Methods inherited from class Thread

activeCount, checkAccess, clone, countStackFrames, currentThread, destroy, dumpStack, enumerate, getAllStackTraces, getContextClassLoader, getDefaultUncaughtExceptionHandler, getId, getName, getPriority, getStackTrace, getState, getThreadGroup, getUncaughtExceptionHandler, holdsLock, interrupt, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, resume, setContextClassLoader, setDaemon, setDefaultUncaughtExceptionHandler, setName, setPriority, setUncaughtExceptionHandler, sleep, sleep, start, stop, stop, suspend, toString, yield

Methods inherited from class Object

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

Field Detail

parsedMarcXML

public String parsedMarcXML

A single parsed MARCXML record

isDone

public boolean isDone

Set to true when this thread has finished its business.

error

public Throwable error

If an exception occured, it is recorded here

prefixNames

private Vector prefixNames

Names of XML namespace prefixes

prefixUris

private Vector prefixUris

URIs of XML namespace prefixes

prefixUriToName

private HashMap prefixUriToName

Mapping from URI to name

buffer

private StringBuffer buffer

Accumulates the current MARCXML record

recordNum

private int recordNum

Constructor Detail

MARCIndexSource.RecordHandler

private MARCIndexSource.RecordHandler()

Method Detail

run

public void run()

Specified by:

run in interface Runnable

Overrides:

run in class Thread

convertRecords

private void convertRecords()
                     throws Exception

Throws:

Exception

skipBadRecord

private boolean skipBadRecord()
                       throws IOException

Throws:

IOException

beginChunk

private void beginChunk()
                 throws SAXException

Throws:

SAXException

endChunk

private void endChunk()
               throws SAXException

Throws:

SAXException

startDocument

public void startDocument()
                   throws SAXException

Specified by:

startDocument in interface ContentHandler

Throws:

SAXException

endDocument

public void endDocument()
                 throws SAXException

Specified by:

endDocument in interface ContentHandler

Throws:

SAXException

startElement

public void startElement(String uri,
                         String localName,
                         String qName,
                         Attributes atts)
                  throws SAXException

Specified by:

startElement in interface ContentHandler

Throws:

SAXException

endElement

public void endElement(String uri,
                       String localName,
                       String qName)
                throws SAXException

Specified by:

endElement in interface ContentHandler

Throws:

SAXException

characters

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

Specified by:

characters in interface ContentHandler

Throws:

SAXException

startPrefixMapping

public void startPrefixMapping(String prefix,
                               String uri)
                        throws SAXException

Specified by:

startPrefixMapping in interface ContentHandler

Throws:

SAXException

endPrefixMapping

public void endPrefixMapping(String prefix)
                      throws SAXException

Specified by:

endPrefixMapping in interface ContentHandler

Throws:

SAXException

ignorableWhitespace

public void ignorableWhitespace(char[] ch,
                                int start,
                                int length)
                         throws SAXException

Specified by:

ignorableWhitespace in interface ContentHandler

Throws:

SAXException

processingInstruction

public void processingInstruction(String target,
                                  String data)
                           throws SAXException

Specified by:

processingInstruction in interface ContentHandler

Throws:

SAXException

setDocumentLocator

public void setDocumentLocator(Locator locator)

Specified by:

setDocumentLocator in interface ContentHandler

skippedEntity

public void skippedEntity(String name)
                   throws SAXException

Specified by:

skippedEntity in interface ContentHandler

Throws:

SAXException

convertFromUTF8

public String convertFromUTF8(char[] chars,
                              int start,
                              int length)

Look for probable UTF-8 encoding. If found, convert it to Unicode; if not, return null.

Parameters:

chars - Array of characters to convert

start - Where to start in the array

length - How many characters to examine

Returns:

New Unicode string, or null if no UTF-8 characters found.