Package org.vast.swe

Class BinaryDataWriter

java.lang.Object

org.vast.swe.DataTreeVisitor

org.vast.swe.AbstractDataWriter

org.vast.swe.BinaryDataWriter

All Implemented Interfaces:

DataStreamWriter

public class BinaryDataWriter
extends AbstractDataWriter

Writes CDM binary data stream using the given data components structure and binary encoding information. This supports raw binary and base64 for now.

Since:

Feb 10, 2006

Nested Class Summary

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

DataTreeVisitor.Record

Field Summary

Fields

Modifier and Type	Field	Description
protected boolean	componentEncodingResolved
protected DataOutputExt	dataOutput

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
BinaryDataWriter()

Method Summary

Modifier and Type	Method	Description
void	close()
void	flush()
protected void	processAtom(ScalarComponent component)	Processes a scalar component
protected boolean	processBlock(DataComponent blockComponent)	Processes an aggregate component
void	reset()	Reset the parser before parsing a new tuple
protected void	resolveComponentEncodings()
void	setOutput(OutputStream outputStream)

Methods inherited from class org.vast.swe.AbstractDataWriter

endStream, setDataComponents, startStream, stop, write, write

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.DataStreamWriter

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

Field Details

dataOutput

protected DataOutputExt dataOutput

componentEncodingResolved

protected boolean componentEncodingResolved

Constructor Details

BinaryDataWriter

public BinaryDataWriter()

Method Details

setOutput

public void setOutput(OutputStream outputStream)
               throws IOException

Specified by:

setOutput in interface DataStreamWriter

Specified by:

setOutput in class AbstractDataWriter

Throws:

IOException

reset

public void reset()

Description copied from class: DataTreeVisitor

Reset the parser before parsing a new tuple

Specified by:

reset in interface DataStreamWriter

Overrides:

reset in class DataTreeVisitor

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

resolveComponentEncodings

protected void resolveComponentEncodings()
                                  throws CDMException

Throws:

CDMException

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

processBlock

protected boolean processBlock(DataComponent blockComponent)
                        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