edu.isi.pegasus.planner.parser

Class SiteCatalogXMLMetadataParser

java.lang.Object

org.xml.sax.helpers.DefaultHandler

edu.isi.pegasus.planner.parser.Parser

edu.isi.pegasus.planner.parser.SiteCatalogXMLMetadataParser

All Implemented Interfaces:

ContentHandler, DTDHandler, EntityResolver, ErrorHandler

 class SiteCatalogXMLMetadataParser
extends Parser

A lightweight XML Parser class to just retrieve the meta data in first instance of an element in a XML Document. It used to get the metadata in the root element.

Author:

Karan Vahi

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
private static class	SiteCatalogXMLMetadataParser.StopParserException Private RuntimeException to stop the SAX Parser

Field Summary

Fields

Modifier and Type	Field and Description
private String	mElement The root element name to look for.
private Map<String,String>	mMetadata The Metadata object that has to be returned.
protected boolean	mParsingDone A boolean indicating that parsing is done.

Fields inherited from class edu.isi.pegasus.planner.parser.Parser

DEFAULT_PARSER_NAME, mAdjFName, mLocator, mLogger, mLogMsg, mParser, mProps, mTextContent, mTextString

Constructor Summary

Constructors

Constructor and Description
SiteCatalogXMLMetadataParser(PegasusBag bag, String element) The overloaded constructor

Method Summary

Methods

Modifier and Type	Method and Description
void	endDocument() Sets the boolean indicating parsing is done
void	endElement(String uri, String localName, String qName) An empty implementation
Map<String,String>	getMetadata() Returns the metadata/attributes assoicated with the element that was parsed for.
String	getSchemaLocation() Not implemented as yet
String	getSchemaNamespace() Not implemented as yet
void	startElement(String uri, String local, String raw, Attributes attrs) Start Element.
void	startParser(String file) The function that starts the parser

Methods inherited from class edu.isi.pegasus.planner.parser.Parser

characters, ignoreWhitespace, ignoreWhitespace, setDocumentLocator, setParserFeature, setSchemaLocations, testForFile

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

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

Methods inherited from class java.lang.Object

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

Field Detail

mElement

private String mElement

The root element name to look for.

mMetadata

private Map<String,String> mMetadata

The Metadata object that has to be returned.

mParsingDone

protected boolean mParsingDone

A boolean indicating that parsing is done.

Constructor Detail

SiteCatalogXMLMetadataParser

public SiteCatalogXMLMetadataParser(PegasusBag bag,
                            String element)

The overloaded constructor

Parameters:

bag - the bag of intiialization documents

element - the root element

Method Detail

getMetadata

public Map<String,String> getMetadata()

Returns the metadata/attributes assoicated with the element that was parsed for.

Returns:

startElement

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

Start Element.

Specified by:

startElement in interface ContentHandler

Specified by:

startElement in class Parser

Parameters:

uri -

local -

raw -

attrs -

Throws:

SAXException

endElement

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

An empty implementation

Specified by:

endElement in interface ContentHandler

Specified by:

endElement in class Parser

Parameters:

uri -

localName -

qName -

Throws:

SAXException

endDocument

public void endDocument()

Sets the boolean indicating parsing is done

Specified by:

endDocument in interface ContentHandler

Specified by:

endDocument in class Parser

startParser

public void startParser(String file)

The function that starts the parser

Specified by:

startParser in class Parser

Parameters:

file - the file to be parsed

getSchemaLocation

public String getSchemaLocation()

Not implemented as yet

Specified by:

getSchemaLocation in class Parser

Returns:

getSchemaNamespace

public String getSchemaNamespace()

Not implemented as yet

Specified by:

getSchemaNamespace in class Parser

Returns: