org.vast.swe

Class XmlDataWriterDOM

java.lang.Object

org.vast.swe.DataTreeVisitor

org.vast.swe.AbstractDataWriter

org.vast.swe.XmlDataWriterDOM

All Implemented Interfaces:

DataStreamWriter

public class XmlDataWriterDOM
extends AbstractDataWriter

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 OutputStream	outputStream
protected String	prefix
protected int	prevStackSize

Fields inherited from class org.vast.swe.AbstractDataWriter

CHOICE_ERROR, dataTypeUtils, NO_HANDLER_ERROR, stopWriting, 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
XmlDataWriterDOM()

Method Summary

Methods

Modifier and Type	Method and Description
void	close()
void	flush()
protected String	getElementName(DataComponent component)
protected void	init(DOMHelper dom, Element parentElt)
protected void	processAtom(ScalarComponent scalarInfo)
protected boolean	processBlock(DataComponent blockInfo) Process an aggregate component
protected void	setCurrentParent()
void	setOutput(OutputStream outputStream)
void	write(DataBlock data)
void	write(DOMHelper dom, Element parentElt)
void	write(OutputStream outputStream)

Methods inherited from class org.vast.swe.AbstractDataWriter

setDataComponents, stop

Methods inherited from class org.vast.swe.DataTreeVisitor

endDataBlock, getDataComponents, getDataEncoding, getDataHandler, getErrorHandler, getRawDataHandler, isEndOfDataBlock, processNextElement, reset, 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.DataStreamWriter

getDataComponents, getDataEncoding, getDataHandler, getErrorHandler, getRawDataHandler, reset, 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

outputStream

protected OutputStream outputStream

Constructor Detail

XmlDataWriterDOM

public XmlDataWriterDOM()

Method Detail

setOutput

public void setOutput(OutputStream outputStream)
               throws IOException

Specified by:

setOutput in interface DataStreamWriter

Specified by:

setOutput in class AbstractDataWriter

Throws:

IOException

write

public void write(OutputStream outputStream)
           throws IOException

Specified by:

write in interface DataStreamWriter

Overrides:

write in class AbstractDataWriter

Throws:

IOException

write

public void write(DataBlock data)
           throws IOException

Specified by:

write in interface DataStreamWriter

Overrides:

write in class AbstractDataWriter

Throws:

IOException

write

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

Throws:

IOException

flush

public void flush()
           throws IOException

Specified by:

flush in interface DataStreamWriter

Specified by:

flush in class AbstractDataWriter

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface DataStreamWriter

Specified by:

close in class AbstractDataWriter

Throws:

IOException

init

protected void init(DOMHelper dom,
        Element parentElt)
             throws IOException

Throws:

IOException

getElementName

protected String getElementName(DataComponent component)

setCurrentParent

protected void setCurrentParent()

processBlock

protected boolean processBlock(DataComponent blockInfo)
                        throws IOException

Description copied from class: DataTreeVisitor

Process an aggregate component

Specified by:

processBlock in class AbstractDataWriter

Returns:

true if children should be processed, false otherwise

Throws:

IOException

processAtom

protected void processAtom(ScalarComponent scalarInfo)
                    throws IOException

Specified by:

processAtom in class AbstractDataWriter

Throws:

IOException