Package org.codice.alliance.libs.klv

Class LatitudeLongitudeHandler

java.lang.Object

org.codice.alliance.libs.klv.BaseKlvHandler

org.codice.alliance.libs.klv.LatitudeLongitudeHandler

All Implemented Interfaces:

KlvHandler, Trimmable

public class LatitudeLongitudeHandler
extends BaseKlvHandler
implements Trimmable

This handler expects pairs of latitude and longitude values. It generates WKT Points.

Constructor Summary

Constructors

Constructor	Description
LatitudeLongitudeHandler(String attributeName, String latitudeFieldName, String longitudeFieldName)

Method Summary

Modifier and Type	Method	Description
void	accept(String name, Double value)
void	accept(org.codice.ddf.libs.klv.KlvDataElement klvDataElement)	The handler accepts the incoming KLV metadata.
Optional<ddf.catalog.data.Attribute>	asAttribute()	After KlvHandler.accept(KlvDataElement) has been called with all of the incoming data, this method will convert it to an Attribute.
LatitudeLongitudeHandler	asSubsampledHandler(int subsampleCount)
String	getLatitudeFieldName()
String	getLongitudeFieldName()
Map<String,List<Double>>	getRawGeoData()
void	reset()	Reset the handler to its initial state.
void	trim()	Trim the arrays of lat and lon values to the same length.

Methods inherited from class org.codice.alliance.libs.klv.BaseKlvHandler

asAttribute, getAttributeName, getMinimumListSize, subsample

Methods inherited from class java.lang.Object

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

Constructor Details

LatitudeLongitudeHandler

public LatitudeLongitudeHandler(String attributeName,
 String latitudeFieldName,
 String longitudeFieldName)

Method Details

getLongitudeFieldName

public String getLongitudeFieldName()

getLatitudeFieldName

public String getLatitudeFieldName()

getRawGeoData

public Map<String,List<Double>> getRawGeoData()

asAttribute

public Optional<ddf.catalog.data.Attribute> asAttribute()

Description copied from interface: KlvHandler

After KlvHandler.accept(KlvDataElement) has been called with all of the incoming data, this method will convert it to an Attribute. If there is insufficient data to create an Attribute, then the Optional will be empty.

Specified by:

asAttribute in interface KlvHandler

Returns:

optional attribute

asSubsampledHandler

public LatitudeLongitudeHandler asSubsampledHandler(int subsampleCount)

trim

public void trim()

Trim the arrays of lat and lon values to the same length.

Specified by:

trim in interface Trimmable

accept

public void accept(org.codice.ddf.libs.klv.KlvDataElement klvDataElement)

Description copied from interface: KlvHandler

The handler accepts the incoming KLV metadata. If the incoming KLV metadata is not the datatype expected by this handler, then the handler should log a warning and return.

Specified by:

accept in interface KlvHandler

Parameters:

klvDataElement - incoming klv metadata

reset

public void reset()

Description copied from interface: KlvHandler

Reset the handler to its initial state.

Specified by:

reset in interface KlvHandler

accept

public void accept(String name,
 Double value)