Package org.apache.sedona.core.formatMapper.shapefileParser.parseUtils.shp

Class ShpFileParser

java.lang.Object

org.apache.sedona.core.formatMapper.shapefileParser.parseUtils.shp.ShpFileParser

All Implemented Interfaces:

Serializable, ShapeFileConst

public class ShpFileParser
extends Object
implements Serializable, ShapeFileConst

See Also:

• Serialized Form

Field Summary

Fields inherited from interface org.apache.sedona.core.formatMapper.shapefileParser.parseUtils.shp.ShapeFileConst

DOUBLE_LENGTH, EXPECT_FILE_CODE, EXPECT_FILE_VERSION, FIELD_DESCRIPTOR_TERMINATOR, FIELD_NAME_LENGTH, FILE_END_FLAG, HEAD_BOX_NUM, HEAD_EMPTY_NUM, HEAD_FILE_LENGTH_16BIT, INT_LENGTH, RECORD_DELETE_FLAG, RECORD_EXIST_FLAG

Constructor Summary

Constructors

Constructor	Description
ShpFileParser(org.apache.hadoop.fs.FSDataInputStream inputStream)	create a new shape file parser with an input source that is instance of DataInputStream

Method Summary

Modifier and Type	Method	Description
float	getProgress()	get current progress of parsing records.
int	parseRecordHeadID()	abstract id number from record header
ShpRecord	parseRecordPrimitiveContent()	abstract information from record header and then copy primitive bytes data of record to a primitive record.
ShpRecord	parseRecordPrimitiveContent(int length)	abstract information from record header and then copy primitive bytes data of record to a primitive record.
void	parseShapeFileHead()	extract and validate information from .shp file header

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

ShpFileParser

public ShpFileParser(org.apache.hadoop.fs.FSDataInputStream inputStream)

create a new shape file parser with an input source that is instance of DataInputStream

Parameters:

inputStream -

Method Details

parseShapeFileHead

public void parseShapeFileHead()
                        throws IOException

extract and validate information from .shp file header

Throws:

IOException

parseRecordPrimitiveContent

public ShpRecord parseRecordPrimitiveContent()
                                      throws IOException

abstract information from record header and then copy primitive bytes data of record to a primitive record.

Returns:

Throws:

IOException

parseRecordPrimitiveContent

public ShpRecord parseRecordPrimitiveContent(int length)
                                      throws IOException

abstract information from record header and then copy primitive bytes data of record to a primitive record.

Returns:

Throws:

IOException

parseRecordHeadID

public int parseRecordHeadID()
                      throws IOException

abstract id number from record header

Returns:

Throws:

IOException

getProgress

public float getProgress()

get current progress of parsing records.

Returns: