org.vast.swe

Class XmlDataParserDOM

java.lang.Object

org.vast.swe.DataTreeVisitor

org.vast.swe.AbstractDataParser

org.vast.swe.XmlDataParserDOM

All Implemented Interfaces:

DataStreamParser

public class XmlDataParserDOM
extends AbstractDataParser

Writes CDM XML data stream using the given data components structure directly inside a DOM.

Since:

Feb 29, 2008

Author:

Alex Robin

Nested Class Summary

Nested classes/interfaces inherited from class org.vast.swe.DataTreeVisitor

DataTreeVisitor.Record

Field Summary

Fields

Modifier and Type	Field and Description
protected Element	currentParentElt
protected DOMHelper	dom
protected String	namespace
protected int	numRecord
protected String	prefix
protected int	prevStackSize
protected int	recordCounter
protected AsciiDataParser	tokenParser

Fields inherited from class org.vast.swe.AbstractDataParser

CHOICE_ERROR, dataTypeUtils, renewDataBlock, stopParsing, STREAM_ERROR

Fields inherited from class org.vast.swe.DataTreeVisitor

componentStack, currentRecord, dataComponents, dataEncoding, dataHandler, endOfArray, errorHandler, newBlock, parentArray, parentArrayIndex, parsing, rawHandler

Constructor Summary

Constructors

Constructor and Description
XmlDataParserDOM()

Method Summary

Methods

Modifier and Type	Method and Description
void	close()
protected Element	getCurrentElement(DataComponent componentInfo)
protected String	getElementName(DataComponent component)
protected boolean	moreData() Checks if more data is available from the stream
void	parse(InputStream inputStream)
protected void	processAtom(ScalarComponent component)
protected boolean	processBlock(DataComponent blockComponent) Process an aggregate component
void	read(DOMHelper dom, Element parentElt)
void	reset() Reset the parser before parsing a new tuple
protected void	setCurrentParent()
void	setInput(InputStream inputStream)

Methods inherited from class org.vast.swe.AbstractDataParser

parse, parse, parseNextBlock, setDataComponents, setRenewDataBlock, stop

Methods inherited from class org.vast.swe.DataTreeVisitor

endDataBlock, getDataComponents, getDataEncoding, getDataHandler, getErrorHandler, getRawDataHandler, isEndOfDataBlock, processNextElement, setDataEncoding, setDataHandler, setErrorHandler, setParentArray, setRawDataHandler

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.vast.cdm.common.DataStreamParser

getDataComponents, getDataEncoding, getDataHandler, getErrorHandler, getRawDataHandler, setDataEncoding, setDataHandler, setErrorHandler, setParentArray, setRawDataHandler

Field Detail

dom

protected DOMHelper dom

currentParentElt

protected Element currentParentElt

namespace

protected String namespace

prefix

protected String prefix

prevStackSize

protected int prevStackSize

tokenParser

protected AsciiDataParser tokenParser

recordCounter

protected int recordCounter

numRecord

protected int numRecord

Constructor Detail

XmlDataParserDOM

public XmlDataParserDOM()

Method Detail

setInput

public void setInput(InputStream inputStream)
              throws IOException

Throws:

IOException

parse

public void parse(InputStream inputStream)
           throws IOException

Throws:

IOException

read

public void read(DOMHelper dom,
        Element parentElt)
          throws IOException

Throws:

IOException

moreData

protected boolean moreData()

Checks if more data is available from the stream

Specified by:

moreData in class AbstractDataParser

Returns:

true if more data needs to be parsed, false otherwise

reset

public void reset()

Description copied from class: DataTreeVisitor

Reset the parser before parsing a new tuple

Specified by:

reset in interface DataStreamParser

Overrides:

reset in class AbstractDataParser

getElementName

protected String getElementName(DataComponent component)

setCurrentParent

protected void setCurrentParent()

getCurrentElement

protected Element getCurrentElement(DataComponent componentInfo)
                             throws IOException

Throws:

IOException

processBlock

protected boolean processBlock(DataComponent blockComponent)
                        throws IOException

Description copied from class: DataTreeVisitor

Process an aggregate component

Specified by:

processBlock in class DataTreeVisitor

Returns:

true if children should be processed, false otherwise

Throws:

IOException

processAtom

protected void processAtom(ScalarComponent component)
                    throws IOException

Specified by:

processAtom in class DataTreeVisitor

Throws:

IOException

close

public void close()
           throws IOException

Throws:

IOException