ddf.catalog.transformer.metacard.geojson

Class GeoJsonMetacardTransformer

java.lang.Object

ddf.catalog.transformer.metacard.geojson.GeoJsonMetacardTransformer

All Implemented Interfaces:

MetacardTransformer

public class GeoJsonMetacardTransformer
extends Object
implements MetacardTransformer

Implements the MetacardTransformer interface to transform a single Metacard instance to GeoJSON. This class places what is returned by Metacard.getLocation() in the geometry JSON object in the GeoJSON output. The rest of the attributes of the Metacard are placed in the properties object in the JSON. See geojson.org for the GeoJSON specification.

Author:

Ashraf Barakat, ddf.isgs@lmco.com

See Also:

MetacardTransformer, Metacard, Attribute

Field Summary

Fields

Modifier and Type	Field and Description
protected static MimeType	DEFAULT_MIME_TYPE
static String	ID
static String	ISO_8601_DATE_FORMAT
protected static String	METACARD_TYPE_PROPERTY_KEY

Constructor Summary

Constructors

Constructor and Description
GeoJsonMetacardTransformer()

Method Summary

Modifier and Type	Method and Description
static org.json.simple.JSONObject	convertToJSON(Metacard metacard)
String	toString()
BinaryContent	transform(Metacard metacard, Map<String,Serializable> arguments) Transforms the provided Metacard into a BinaryContent

Methods inherited from class java.lang.Object

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

Field Detail

ISO_8601_DATE_FORMAT

public static final String ISO_8601_DATE_FORMAT

See Also:

Constant Field Values

ID

public static final String ID

See Also:

Constant Field Values

METACARD_TYPE_PROPERTY_KEY

protected static final String METACARD_TYPE_PROPERTY_KEY

See Also:

Constant Field Values

DEFAULT_MIME_TYPE

protected static final MimeType DEFAULT_MIME_TYPE

Constructor Detail

GeoJsonMetacardTransformer

public GeoJsonMetacardTransformer()

Method Detail

convertToJSON

public static org.json.simple.JSONObject convertToJSON(Metacard metacard)
                                                throws CatalogTransformerException

Throws:

CatalogTransformerException

transform

public BinaryContent transform(Metacard metacard,
                               Map<String,Serializable> arguments)
                        throws CatalogTransformerException

Description copied from interface: MetacardTransformer

Transforms the provided Metacard into a BinaryContent

Specified by:

transform in interface MetacardTransformer

Parameters:

metacard - the Metacard to be transformed

arguments - any arguments to be used in the transformation. Keys are specific to each MetacardTransformer implementation

Returns:

BinaryContent the result of the Metacard transformation

Throws:

CatalogTransformerException - if the Metacard can not be transformed

toString

public String toString()

Overrides:

toString in class Object