ee.ria.dhx.bigdata

Class BigDataHandler

java.lang.Object

ee.ria.dhx.bigdata.BigDataHandler

All Implemented Interfaces:

org.xml.sax.ContentHandler

Direct Known Subclasses:

BigDataMarshallHandler, BigDataUnmarshallHandler

public abstract class BigDataHandler
extends java.lang.Object
implements org.xml.sax.ContentHandler

Wrapper handler which finds BigDataXmlElement annotated elements in XML and writes them to file in order not to read the whole big data into memory. Other elements are delegetad to the handler which is being wrapped(private member of this class). Big data elements are expected to be of File type.

Author:

Aleksei Kokarev

Constructor Summary

Constructors

Constructor and Description
BigDataHandler(java.lang.Class<? extends java.lang.Object> bigDataClass) BigDataHandler contructor.
BigDataHandler(java.lang.Class<? extends java.lang.Object> bigDataClass, java.lang.Boolean nonamespaces) BigDataHandler contructor.
BigDataHandler(org.xml.sax.ContentHandler handler, java.lang.Class<? extends java.lang.Object> bigDataClass) BigDataHandler contructor.

Method Summary

Modifier and Type	Method and Description
void	characters(char[] ch, int start, int length)
void	endDocument()
void	endElement(java.lang.String uri, java.lang.String localName, java.lang.String qname)
void	endPrefixMapping(java.lang.String prefix)
void	ignorableWhitespace(char[] ch, int start, int length)
void	processingInstruction(java.lang.String target, java.lang.String data)
void	setDocumentLocator(org.xml.sax.Locator locator)
void	skippedEntity(java.lang.String name)
void	startDocument()
void	startElement(java.lang.String uri, java.lang.String localName, java.lang.String qname, org.xml.sax.Attributes attributes)
void	startPrefixMapping(java.lang.String prefix, java.lang.String uri)

Methods inherited from class java.lang.Object

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

Constructor Detail

BigDataHandler

public BigDataHandler(org.xml.sax.ContentHandler handler,
                      java.lang.Class<? extends java.lang.Object> bigDataClass)

BigDataHandler contructor.

Parameters:

handler - content handler which will process all not BIG DATA elements

bigDataClass - class which is planned to parse BIG DATA in or null

BigDataHandler

public BigDataHandler(java.lang.Class<? extends java.lang.Object> bigDataClass)

BigDataHandler contructor.

Parameters:

bigDataClass - class which is planned to parse BIG DATA in or null

BigDataHandler

public BigDataHandler(java.lang.Class<? extends java.lang.Object> bigDataClass,
                      java.lang.Boolean nonamespaces)

BigDataHandler contructor.

Parameters:

bigDataClass - class which is planned to parse BIG DATA in or null

nonamespaces - is marshaller should remove namespaces

Method Detail

startElement

public void startElement(java.lang.String uri,
                         java.lang.String localName,
                         java.lang.String qname,
                         org.xml.sax.Attributes attributes)
                  throws org.xml.sax.SAXException

Specified by:

startElement in interface org.xml.sax.ContentHandler

Throws:

org.xml.sax.SAXException

characters

public void characters(char[] ch,
                       int start,
                       int length)
                throws org.xml.sax.SAXException

Specified by:

characters in interface org.xml.sax.ContentHandler

Throws:

org.xml.sax.SAXException

endElement

@Loggable(value=0)
public void endElement(java.lang.String uri,
                                           java.lang.String localName,
                                           java.lang.String qname)
                                    throws org.xml.sax.SAXException

Specified by:

endElement in interface org.xml.sax.ContentHandler

Throws:

org.xml.sax.SAXException

endDocument

public void endDocument()
                 throws org.xml.sax.SAXException

Specified by:

endDocument in interface org.xml.sax.ContentHandler

Throws:

org.xml.sax.SAXException

endPrefixMapping

public void endPrefixMapping(java.lang.String prefix)
                      throws org.xml.sax.SAXException

Specified by:

endPrefixMapping in interface org.xml.sax.ContentHandler

Throws:

org.xml.sax.SAXException

ignorableWhitespace

public void ignorableWhitespace(char[] ch,
                                int start,
                                int length)
                         throws org.xml.sax.SAXException

Specified by:

ignorableWhitespace in interface org.xml.sax.ContentHandler

Throws:

org.xml.sax.SAXException

processingInstruction

public void processingInstruction(java.lang.String target,
                                  java.lang.String data)
                           throws org.xml.sax.SAXException

Specified by:

processingInstruction in interface org.xml.sax.ContentHandler

Throws:

org.xml.sax.SAXException

setDocumentLocator

public void setDocumentLocator(org.xml.sax.Locator locator)

Specified by:

setDocumentLocator in interface org.xml.sax.ContentHandler

skippedEntity

public void skippedEntity(java.lang.String name)
                   throws org.xml.sax.SAXException

Specified by:

skippedEntity in interface org.xml.sax.ContentHandler

Throws:

org.xml.sax.SAXException

startDocument

public void startDocument()
                   throws org.xml.sax.SAXException

Specified by:

startDocument in interface org.xml.sax.ContentHandler

Throws:

org.xml.sax.SAXException

startPrefixMapping

public void startPrefixMapping(java.lang.String prefix,
                               java.lang.String uri)
                        throws org.xml.sax.SAXException

Specified by:

startPrefixMapping in interface org.xml.sax.ContentHandler

Throws:

org.xml.sax.SAXException