org.vast.swe

Class AbstractDataParser

java.lang.Object

org.vast.swe.DataTreeVisitor

org.vast.swe.AbstractDataParser

All Implemented Interfaces:

DataStreamParser

Direct Known Subclasses:

AsciiDataParser, BinaryDataParser, JSONDataParser, XmlDataParser, XmlDataParserDOM

public abstract class AbstractDataParser
extends DataTreeVisitor
implements DataStreamParser

Abstract class for parsing a CDM data stream

Since:

Aug 16, 2005

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 static String	CHOICE_ERROR
protected SWEDataTypeUtils	dataTypeUtils
protected boolean	renewDataBlock
protected boolean	stopParsing
protected static 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 and Description
AbstractDataParser()

Method Summary

Methods

Modifier and Type	Method and Description
protected abstract boolean	moreData()
void	parse(String uri) Default parse method from a URI string
void	parse(URI uri) Default parse method from a URI object
DataBlock	parseNextBlock() Parse next atom from stream
void	reset() Reset the parser before parsing a new tuple
void	setDataComponents(DataComponent dataInfo)
void	setRenewDataBlock(boolean renewDataBlock)
void	stop() Stop the parsing from another thread

Methods inherited from class org.vast.swe.DataTreeVisitor

endDataBlock, getDataComponents, getDataEncoding, getDataHandler, getErrorHandler, getRawDataHandler, isEndOfDataBlock, processAtom, processBlock, 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.DataStreamParser

close, getDataComponents, getDataEncoding, getDataHandler, getErrorHandler, getRawDataHandler, parse, setDataEncoding, setDataHandler, setErrorHandler, setInput, setParentArray, setRawDataHandler

Field Detail

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

dataTypeUtils

protected SWEDataTypeUtils dataTypeUtils

stopParsing

protected boolean stopParsing

renewDataBlock

protected boolean renewDataBlock

Constructor Detail

AbstractDataParser

public AbstractDataParser()

Method Detail

moreData

protected abstract boolean moreData()
                             throws IOException

Throws:

IOException

stop

public void stop()

Stop the parsing from another thread

Specified by:

stop in interface DataStreamParser

reset

public void reset()

Description copied from class: DataTreeVisitor

Reset the parser before parsing a new tuple

Specified by:

reset in interface DataStreamParser

Overrides:

reset in class DataTreeVisitor

parse

public void parse(String uri)
           throws IOException

Default parse method from a URI string

Specified by:

parse in interface DataStreamParser

Throws:

IOException

parse

public void parse(URI uri)
           throws IOException

Default parse method from a URI object

Specified by:

parse in interface DataStreamParser

Throws:

IOException

parseNextBlock

public DataBlock parseNextBlock()
                         throws IOException

Parse next atom from stream

Specified by:

parseNextBlock in interface DataStreamParser

Throws:

IOException

setDataComponents

public void setDataComponents(DataComponent dataInfo)

Specified by:

setDataComponents in interface DataStreamParser

Overrides:

setDataComponents in class DataTreeVisitor

setRenewDataBlock

public void setRenewDataBlock(boolean renewDataBlock)

Specified by:

setRenewDataBlock in interface DataStreamParser