Package org.vast.swe.fast

Class JsonDataWriter

java.lang.Object

org.vast.swe.fast.DataBlockProcessor

org.vast.swe.fast.AbstractDataWriter

org.vast.swe.fast.JsonDataWriter

All Implemented Interfaces:

DataComponentVisitor, DataStreamWriter

public class JsonDataWriter
extends AbstractDataWriter

New implementation of JSON data writer with better efficiency since the write tree is pre-computed during init instead of being re-evaluated while iterating through the component tree.

Since:

Dec 7, 2016

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected class	JsonDataWriter.ArrayWriter
protected class	JsonDataWriter.BooleanWriter
protected class	JsonDataWriter.ChoiceWriter
protected class	JsonDataWriter.DoubleWriter
protected class	JsonDataWriter.FloatWriter
protected class	JsonDataWriter.IntegerWriter
protected class	JsonDataWriter.IsoDateTimeWriter
protected static interface	JsonDataWriter.JsonAtomWriter
protected class	JsonDataWriter.RangeWriter
protected class	JsonDataWriter.RecordWriter
protected class	JsonDataWriter.RoundingDecimalWriter
protected class	JsonDataWriter.StringWriter
protected class	JsonDataWriter.ValueWriter

Nested classes/interfaces inherited from class org.vast.swe.fast.DataBlockProcessor

DataBlockProcessor.ArrayProcessor, DataBlockProcessor.ArraySizeSupplier, DataBlockProcessor.AtomProcessor, DataBlockProcessor.BaseProcessor, DataBlockProcessor.ChoiceProcessor, DataBlockProcessor.CompositeProcessor, DataBlockProcessor.ImplicitSizeProcessor, DataBlockProcessor.RecordProcessor

Field Summary

Fields

Modifier and Type	Field	Description
protected int	depth
protected NullWriter	nullWriter
protected Writer	writer

Fields inherited from class org.vast.swe.fast.AbstractDataWriter

dataEncoding, lastArrayElt, parentArray

Fields inherited from class org.vast.swe.fast.DataBlockProcessor

dataComponents, enableSubTree, filter, hasVarSizeArray, processorStack, processorTreeReady, rootProcessor

Constructor Summary

Constructors

Constructor	Description
JsonDataWriter()

Method Summary

Modifier and Type	Method	Description
void	close()
void	endStream()
void	flush()
protected DataBlockProcessor.ArrayProcessor	getArrayProcessor(DataArray array)
protected DataBlockProcessor.ArraySizeSupplier	getArraySizeSupplier(String refId)
protected DataBlockProcessor.ChoiceProcessor	getChoiceProcessor(DataChoice choice)
protected DataBlockProcessor.ImplicitSizeProcessor	getImplicitSizeProcessor(DataArray array)
protected DataBlockProcessor.AtomProcessor	getRangeProcessor(RangeComponent range)
protected DataBlockProcessor.RecordProcessor	getRecordProcessor(DataRecord record)
protected DataBlockProcessor.RecordProcessor	getVectorProcessor(Vector vect)
protected void	indent()
protected void	init()
void	reset()
void	setOutput(OutputStream os)
void	startStream(boolean addWrapper)
void	visit(Boolean comp)
void	visit(Category comp)
void	visit(Count comp)
void	visit(Quantity comp)
void	visit(Text comp)
void	visit(Time comp)
void	write(DataBlock data)

Methods inherited from class org.vast.swe.fast.AbstractDataWriter

getDataEncoding, getDataHandler, getErrorHandler, getRawDataHandler, setDataEncoding, setDataHandler, setErrorHandler, setParentArray, setRawDataHandler, stop, write

Methods inherited from class org.vast.swe.fast.DataBlockProcessor

addToProcessorTree, checkEnabled, getDataComponents, setDataComponentFilter, setDataComponents, setEnabled, visit, visit, visit, visit, visit, visit, visit, visit, visit, visitRange

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, setDataComponents

Field Details

writer

protected Writer writer

nullWriter

protected NullWriter nullWriter

depth

protected int depth

Constructor Details

JsonDataWriter

public JsonDataWriter()

Method Details

indent

protected void indent()
               throws IOException

Throws:

IOException

init

protected void init()

Specified by:

init in class DataBlockProcessor

setOutput

public void setOutput(OutputStream os)

write

public void write(DataBlock data)
           throws IOException

Specified by:

write in interface DataStreamWriter

Overrides:

write in class AbstractDataWriter

Throws:

IOException

startStream

public void startStream(boolean addWrapper)
                 throws IOException

Specified by:

startStream in interface DataStreamWriter

Overrides:

startStream in class AbstractDataWriter

Throws:

IOException

endStream

public void endStream()
               throws IOException

Specified by:

endStream in interface DataStreamWriter

Overrides:

endStream in class AbstractDataWriter

Throws:

IOException

flush

public void flush()
           throws IOException

Throws:

IOException

close

public void close()
           throws IOException

Throws:

IOException

reset

public void reset()

Specified by:

reset in interface DataStreamWriter

Overrides:

reset in class AbstractDataWriter

visit

public void visit(Boolean comp)

visit

public void visit(Count comp)

visit

public void visit(Quantity comp)

visit

public void visit(Time comp)

visit

public void visit(Category comp)

visit

public void visit(Text comp)

getRangeProcessor

protected DataBlockProcessor.AtomProcessor getRangeProcessor(RangeComponent range)

Overrides:

getRangeProcessor in class DataBlockProcessor

getRecordProcessor

protected DataBlockProcessor.RecordProcessor getRecordProcessor(DataRecord record)

Overrides:

getRecordProcessor in class DataBlockProcessor

getVectorProcessor

protected DataBlockProcessor.RecordProcessor getVectorProcessor(Vector vect)

Overrides:

getVectorProcessor in class DataBlockProcessor

getChoiceProcessor

protected DataBlockProcessor.ChoiceProcessor getChoiceProcessor(DataChoice choice)

Specified by:

getChoiceProcessor in class DataBlockProcessor

getArrayProcessor

protected DataBlockProcessor.ArrayProcessor getArrayProcessor(DataArray array)

Overrides:

getArrayProcessor in class DataBlockProcessor

getImplicitSizeProcessor

protected DataBlockProcessor.ImplicitSizeProcessor getImplicitSizeProcessor(DataArray array)

Specified by:

getImplicitSizeProcessor in class DataBlockProcessor

getArraySizeSupplier

protected DataBlockProcessor.ArraySizeSupplier getArraySizeSupplier(String refId)

Specified by:

getArraySizeSupplier in class DataBlockProcessor