Package edu.ucsb.nceas.metacat.service

Class XMLSchemaParser

java.lang.Object

org.xml.sax.helpers.DefaultHandler

edu.ucsb.nceas.metacat.service.XMLSchemaParser

All Implemented Interfaces:

ContentHandler, DTDHandler, EntityResolver, ErrorHandler

public class XMLSchemaParser
extends DefaultHandler

A class will parse an schema file to get information - such as included xsd files in this schema

Author:

tao

Constructor Summary

Constructors

Constructor	Description
XMLSchemaParser(InputStream schemaIn)	Constructor

Method Summary

Modifier and Type	Method	Description
Vector<String>	getIncludedSchemaFilePathes()	Get the included schema file paths in this schema
void	parse()	Parse the schema file
void	startElement(String uri, String localName, String qName, Attributes atts)	SAX Handler that is called at the start of each XML element

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

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

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.xml.sax.ContentHandler

declaration

Constructor Details

XMLSchemaParser

public XMLSchemaParser(InputStream schemaIn)
                throws SAXException,
edu.ucsb.nceas.utilities.PropertyNotFoundException

Constructor

Parameters:

schemaIn - the schema content as an InputStream object

Throws:

SAXException

edu.ucsb.nceas.utilities.PropertyNotFoundException

Method Details

parse

public void parse()
           throws SAXException,
IOException

Parse the schema file

Throws:

SAXException - if some sax related exception happens

IOException - if the schema content couldn't be found

getIncludedSchemaFilePathes

public Vector<String> getIncludedSchemaFilePathes()

Get the included schema file paths in this schema

Returns:

the included schema file paths

startElement

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

SAX Handler that is called at the start of each XML element

Specified by:

startElement in interface ContentHandler

Overrides:

startElement in class DefaultHandler

Throws:

SAXException