org.apache.xalan.xsltc.dom
Class DocumentCache

java.lang.Object
  org.apache.xalan.xsltc.dom.DocumentCache

All Implemented Interfaces:

DOMCache

public final class DocumentCache
extends java.lang.Object
implements DOMCache

Nested Class Summary

class

DocumentCache.CachedDocument

Field Summary

private int	_count
private int	_current
private XSLTCDTMManager	_dtmManager
private javax.xml.parsers.SAXParser	_parser
private org.xml.sax.XMLReader	_reader
private java.util.Hashtable	_references
private int	_size
private java.lang.String[]	_URIs
private static int	REFRESH_INTERVAL

Constructor Summary

DocumentCache(int size)
DocumentCache constructor

DocumentCache(int size, XSLTCDTMManager dtmManager)
DocumentCache constructor

Method Summary

private long	getLastModified(java.lang.String uri) Returns the time-stamp for a document's last update
void	getStatistics(java.io.PrintWriter out) Outputs the cache statistics
private void	insertDocument(java.lang.String uri, DocumentCache.CachedDocument doc)
private DocumentCache.CachedDocument	lookupDocument(java.lang.String uri)
private void	replaceDocument(java.lang.String uri, DocumentCache.CachedDocument doc)
DOM	retrieveDocument(java.lang.String baseURI, java.lang.String href, Translet trs) Returns a document either by finding it in the cache or downloading it and putting it in the cache.

Methods inherited from class java.lang.Object

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

Field Detail

_size

private int _size

_references

private java.util.Hashtable _references

_URIs

private java.lang.String[] _URIs

_count

private int _count

_current

private int _current

_parser

private javax.xml.parsers.SAXParser _parser

_reader

private org.xml.sax.XMLReader _reader

_dtmManager

private XSLTCDTMManager _dtmManager

REFRESH_INTERVAL

private static final int REFRESH_INTERVAL

See Also:

Constant Field Values

Constructor Detail

DocumentCache

public DocumentCache(int size)
              throws org.xml.sax.SAXException

DocumentCache constructor

Throws:

org.xml.sax.SAXException

DocumentCache

public DocumentCache(int size,
                     XSLTCDTMManager dtmManager)
              throws org.xml.sax.SAXException

DocumentCache constructor

Throws:

org.xml.sax.SAXException

Method Detail

getLastModified

private final long getLastModified(java.lang.String uri)

Returns the time-stamp for a document's last update

lookupDocument

private DocumentCache.CachedDocument lookupDocument(java.lang.String uri)

insertDocument

private void insertDocument(java.lang.String uri,
                            DocumentCache.CachedDocument doc)

replaceDocument

private void replaceDocument(java.lang.String uri,
                             DocumentCache.CachedDocument doc)

retrieveDocument

public DOM retrieveDocument(java.lang.String baseURI,
                            java.lang.String href,
                            Translet trs)

Returns a document either by finding it in the cache or downloading it and putting it in the cache.

Specified by:

retrieveDocument in interface DOMCache

Parameters:

baseURI - The base URI used by the document call.

href - The href argument passed to the document function.

trs - A reference to the translet requesting the document

getStatistics

public void getStatistics(java.io.PrintWriter out)

Outputs the cache statistics