Package org.vast.swe

Class AbstractDataWriter

java.lang.Object

org.vast.swe.DataTreeVisitor

org.vast.swe.AbstractDataWriter

All Implemented Interfaces:

DataStreamWriter

Direct Known Subclasses:

AsciiDataWriter, BinaryDataWriter, FilteredWriter, XmlDataWriter, XmlDataWriterDOM

public abstract class AbstractDataWriter
extends DataTreeVisitor
implements DataStreamWriter

Abstract class for writing a CDM data stream.

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 static final String	CHOICE_ERROR
protected SWEDataTypeUtils	dataTypeUtils
protected static final String	NO_HANDLER_ERROR
protected boolean	stopWriting
protected static final String	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
AbstractDataWriter()

Method Summary

Modifier and Type	Method	Description
abstract void	close()
void	endStream()
abstract void	flush()
protected abstract void	processAtom(ScalarComponent component)	Processes a scalar component
protected abstract boolean	processBlock(DataComponent component)	Processes an aggregate component
void	setDataComponents(DataComponent dataInfo)
abstract void	setOutput(OutputStream os)
void	startStream(boolean multipleRecords)
void	stop()
void	write(OutputStream outputStream)
void	write(DataBlock dataBlock)

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

STREAM_ERROR

protected static final String STREAM_ERROR

See Also:

• Constant Field Values

CHOICE_ERROR

protected static final String CHOICE_ERROR

See Also:

• Constant Field Values

NO_HANDLER_ERROR

protected static final String NO_HANDLER_ERROR

See Also:

• Constant Field Values

dataTypeUtils

protected SWEDataTypeUtils dataTypeUtils

stopWriting

protected boolean stopWriting

Constructor Details

AbstractDataWriter

public AbstractDataWriter()

Method Details

setOutput

public abstract void setOutput(OutputStream os)
                        throws IOException

Specified by:

setOutput in interface DataStreamWriter

Throws:

IOException

close

public abstract void close()
                    throws IOException

Specified by:

close in interface DataStreamWriter

Throws:

IOException

flush

public abstract void flush()
                    throws IOException

Specified by:

flush in interface DataStreamWriter

Throws:

IOException

processAtom

protected abstract void processAtom(ScalarComponent component)
                             throws IOException

Description copied from class: DataTreeVisitor

Processes a scalar component

Specified by:

processAtom in class DataTreeVisitor

Throws:

IOException

processBlock

protected abstract boolean processBlock(DataComponent component)
                                 throws IOException

Description copied from class: DataTreeVisitor

Processes an aggregate component

Specified by:

processBlock in class DataTreeVisitor

Returns:

true if children should be processed, false otherwise

Throws:

IOException

write

public void write(OutputStream outputStream)
           throws IOException

Specified by:

write in interface DataStreamWriter

Throws:

IOException

write

public void write(DataBlock dataBlock)
           throws IOException

Specified by:

write in interface DataStreamWriter

Throws:

IOException

startStream

public void startStream(boolean multipleRecords)
                 throws IOException

Specified by:

startStream in interface DataStreamWriter

Throws:

IOException

endStream

public void endStream()
               throws IOException

Specified by:

endStream in interface DataStreamWriter

Throws:

IOException

stop

public void stop()

Specified by:

stop in interface DataStreamWriter

setDataComponents

public void setDataComponents(DataComponent dataInfo)

Specified by:

setDataComponents in interface DataStreamWriter

Overrides:

setDataComponents in class DataTreeVisitor