org.codice.ddf.transformer.xml.streaming.impl

Class XmlSaxEventHandlerImpl

java.lang.Object

org.codice.ddf.transformer.xml.streaming.AbstractSaxEventHandler

org.codice.ddf.transformer.xml.streaming.impl.XmlSaxEventHandlerImpl

All Implemented Interfaces:

SaxEventHandler, ContentHandler

public class XmlSaxEventHandlerImpl
extends AbstractSaxEventHandler

A sax event handler used to parse urn:catalog:metacard Metacards. By default, handles all elements defined in the xmlToMetacard These defaults can be overridden by passing a different Map in XmlSaxEventHandlerImpl#setXmlToMetacard(Map)

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	XmlSaxEventHandlerImpl()
protected	XmlSaxEventHandlerImpl(Map<String,String> xmlToMetacardMap)

Method Summary

Modifier and Type	Method and Description
void	characters(char[] ch, int start, int length) Takes in a sax event from SaxEventHandlerDelegate and adds the characters to textDataOfElement
void	endElement(String namespaceURI, String localName, String qName) Takes in a sax event from SaxEventHandlerDelegate.
List<Attribute>	getAttributes()
Set<AttributeDescriptor>	getSupportedAttributeDescriptors() Get all the possible attribute types that can be returned by this factory's handler
void	startDocument()
void	startElement(String uri, String localName, String qName, Attributes attributes) Takes in a sax event from SaxEventHandlerDelegate, and if it is in the xmlToMetacardMapping, begin reading it.

Methods inherited from class org.codice.ddf.transformer.xml.streaming.AbstractSaxEventHandler

endDocument, endPrefixMapping, ignorableWhitespace, processingInstruction, setDocumentLocator, skippedEntity, startPrefixMapping

Methods inherited from class java.lang.Object

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

Constructor Detail

XmlSaxEventHandlerImpl

protected XmlSaxEventHandlerImpl()

XmlSaxEventHandlerImpl

protected XmlSaxEventHandlerImpl(Map<String,String> xmlToMetacardMap)

Method Detail

getAttributes

public List<Attribute> getAttributes()

Returns:

a list of attributes that has been constructed during the parsing of an XML document.

getSupportedAttributeDescriptors

public Set<AttributeDescriptor> getSupportedAttributeDescriptors()

Description copied from interface: SaxEventHandler

Get all the possible attribute types that can be returned by this factory's handler

Returns:

a set of attribute descriptors that can be returned by this handler

startDocument

public void startDocument()

Specified by:

startDocument in interface ContentHandler

Overrides:

startDocument in class AbstractSaxEventHandler

startElement

public void startElement(String uri,
                         String localName,
                         String qName,
                         Attributes attributes)

Takes in a sax event from SaxEventHandlerDelegate, and if it is in the xmlToMetacardMapping, begin reading it.

Parameters:

uri - the URI that is passed in by SaxEventHandlerDelegate

localName - the localName that is passed in by SaxEventHandlerDelegate

qName - the qName that is passed in by SaxEventHandlerDelegate

attributes - the attributes that are passed in by SaxEventHandlerDelegate

endElement

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

Takes in a sax event from SaxEventHandlerDelegate. If the element is in the xmlToElementMapping, add it to the attributes list

Parameters:

namespaceURI - the namespaceURI that is passed in by SaxEventHandlerDelegate

localName - the localName that is passed in by SaxEventHandlerDelegate

qName - the qName that is passed in by SaxEventHandlerDelegate

characters

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

Takes in a sax event from SaxEventHandlerDelegate and adds the characters to textDataOfElement

Parameters:

ch - the ch that is passed in by SaxEventHandlerDelegate

start - the start that is passed in by SaxEventHandlerDelegate

length - the length that is passed in by SaxEventHandlerDelegate