org.apache.commons.jjar
Class RepositoryXML

java.lang.Object
  uk.co.wilson.xml.MinML2
      org.apache.commons.jjar.RepositoryXML

All Implemented Interfaces:

Repository, ContentHandler, ErrorHandler, Locator, XMLReader

public class RepositoryXML
extends uk.co.wilson.xml.MinML2
implements Repository

Repository implementation that supports XML repository definitions. Uses a great small little lightweight SAX parser - but it's not clear what it doesn't support, so be careful

Version:

$Id: RepositoryXML.java 155454 2005-02-26 13:23:34Z dirkv $

Author:

Geir Magnusson Jr.

Field Summary

Fields inherited from class uk.co.wilson.xml.MinML2

change, decLevel, defaultBufferIncrement, defaultInitialBufferSize, discardAndChange, discardSaveAndChange, emitCharacters, emitEndElement, emitStartElement, endCDATA, endComment, endStartName, exitParser, inAttribute, inAttribute1, inAttributeQuotesValue, inAttributeQuoteValue, inAttributeValue, inCDATA, inCDATA1, inCharData, incLevel, inComment, inDTD, inETag, inETag1, inMTTag, inNextAttribute, inPI, inPI1, inPossiblyAttribute, inPossiblySkipping, inSkipping, inSTag, inTag, parseError, processCharRef, saveAndChange, saveAttributeName, saveAttributeValue, startCDATA, startComment, writeCdata

Constructor Summary

RepositoryXML()

Method Summary

void	endElement(String namespaceURI, String localName, String qName) end element event handler for SAX parsing
void	fatalError(SAXParseException e)
List	getDependencyList(String pkg, String version) returns a list of dependencies for a given package.
String	getFetchTarget(String pkg, String version) returns the 'fetch' target (jarname) for the given package : version
int	getPackageCount() returns the number of packages known to the repository
String	getPackageDefaultVersion(String pkg) returns the default version of the package to the caller
String	getPackageDescription(String pkg) returns the info/desc string to the caller
Iterator	getPackageListIter() returns an iterator over the list of package names
List	getPackageVersionList(String pkg) returns a list of the know versions available for this package
String	getProp(String s) returns a given property not implemented
boolean	isPackage(String pkg) determines if something is a known package
void	load(URL url) loads the object with the XML data from the passed in URL.
void	load(URL url, Map pkgMap)
static void	main(String[] args) used for debugging
Writer	startElement(String namespaceURI, String localName, String qName, Attributes atts, Writer writer) start element event handler for SAX.

Methods inherited from class uk.co.wilson.xml.MinML2

characters, endDocument, endPrefixMapping, error, getColumnNumber, getContentHandler, getDefaultNamespace, getDTDHandler, getEntityResolver, getErrorHandler, getFeature, getLineNumber, getNamespace, getProperty, getPublicId, getSystemId, ignorableWhitespace, parse, parse, parse, processingInstruction, setContentHandler, setContentHandler, setDocumentLocator, setDTDHandler, setEntityResolver, setErrorHandler, setFeature, setProperty, skippedEntity, startDocument, startDocument, startElement, startPrefixMapping, warning

Methods inherited from class java.lang.Object

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

Constructor Detail

RepositoryXML

public RepositoryXML()

Method Detail

load

public void load(URL url)

loads the object with the XML data from the passed in URL. Invokes the SAX parser.

Specified by:

load in interface Repository

Parameters:

url - location of the repository.xml

load

public void load(URL url,
                 Map pkgMap)

getDependencyList

public List getDependencyList(String pkg,
                              String version)

returns a list of dependencies for a given package. The list contains Maps, with 'package' and 'version' as the keys for the necessary info.

Specified by:

getDependencyList in interface Repository

Parameters:

pkg - package to get dep list for

Returns:

List of Maps

getPackageListIter

public Iterator getPackageListIter()

returns an iterator over the list of package names

Specified by:

getPackageListIter in interface Repository

getPackageCount

public int getPackageCount()

returns the number of packages known to the repository

Specified by:

getPackageCount in interface Repository

getPackageDefaultVersion

public String getPackageDefaultVersion(String pkg)

returns the default version of the package to the caller

Specified by:

getPackageDefaultVersion in interface Repository

getPackageDescription

public String getPackageDescription(String pkg)

returns the info/desc string to the caller

Specified by:

getPackageDescription in interface Repository

getFetchTarget

public String getFetchTarget(String pkg,
                             String version)

returns the 'fetch' target (jarname) for the given package : version

Specified by:

getFetchTarget in interface Repository

isPackage

public boolean isPackage(String pkg)

determines if something is a known package

Specified by:

isPackage in interface Repository

getProp

public String getProp(String s)

returns a given property not implemented

getPackageVersionList

public List getPackageVersionList(String pkg)

returns a list of the know versions available for this package

Specified by:

getPackageVersionList in interface Repository

startElement

public Writer startElement(String namespaceURI,
                           String localName,
                           String qName,
                           Attributes atts,
                           Writer writer)
                    throws SAXException

start element event handler for SAX.

Overrides:

startElement in class uk.co.wilson.xml.MinML2

Throws:

SAXException

endElement

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

end element event handler for SAX parsing

Specified by:

endElement in interface ContentHandler

Overrides:

endElement in class uk.co.wilson.xml.MinML2

Throws:

SAXException

fatalError

public void fatalError(SAXParseException e)
                throws SAXException

Specified by:

fatalError in interface ErrorHandler

Overrides:

fatalError in class uk.co.wilson.xml.MinML2

Throws:

SAXException

main

public static void main(String[] args)

used for debugging