Package org.vast.swe

Class XmlDataWriter

java.lang.Object

org.vast.swe.DataTreeVisitor

org.vast.swe.AbstractDataWriter

org.vast.swe.XmlDataWriter

All Implemented Interfaces:

DataStreamWriter

public class XmlDataWriter
extends AbstractDataWriter

Writes CDM XML data stream using the given data components structure and encoding information.

Since:

Feb 29, 2008

Nested Class Summary

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

DataTreeVisitor.Record

Field Summary

Fields

Modifier and Type	Field	Description
protected String	namespace
protected String	prefix
protected int	prevStackSize
protected XMLStreamWriter	xmlWriter

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	Description
XmlDataWriter()

Method Summary

Modifier and Type	Method	Description
void	close()
protected void	closeElements()
void	endStream()
void	flush()
protected void	processAtom(ScalarComponent component)	Processes a scalar component
protected boolean	processBlock(DataComponent component)	Processes an aggregate component
void	setOutput(OutputStream outputStream)
void	write(OutputStream outputStream)

Methods inherited from class org.vast.swe.AbstractDataWriter

setDataComponents, startStream, stop, write

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 Details

xmlWriter

protected XMLStreamWriter xmlWriter

namespace

protected String namespace

prefix

protected String prefix

prevStackSize

protected int prevStackSize

Constructor Details

XmlDataWriter

public XmlDataWriter()

Method Details

setOutput

public void setOutput(OutputStream outputStream)
               throws IOException

Specified by:

setOutput in interface DataStreamWriter

Specified by:

setOutput 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

flush

public void flush()
           throws IOException

Specified by:

flush in interface DataStreamWriter

Specified by:

flush 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

closeElements

protected void closeElements()
                      throws XMLStreamException

Throws:

XMLStreamException

processBlock

protected boolean processBlock(DataComponent component)
                        throws IOException

Description copied from class: DataTreeVisitor

Processes 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 component)
                    throws IOException

Description copied from class: DataTreeVisitor

Processes a scalar component

Specified by:

processAtom in class AbstractDataWriter

Throws:

IOException

endStream

public void endStream()
               throws IOException

Specified by:

endStream in interface DataStreamWriter

Overrides:

endStream in class AbstractDataWriter

Throws:

IOException