org.geotools.filter.text.cqljson

Class CQL2Json

Object

CQL2Json

public class CQL2Json
extends Object

OGC API CQL2-Json. This class presents the operations available to convert filters into the CQL2-Json language

Method Summary

Modifier and Type	Method and Description
static String	toCQL2(Expression expression) Converts Expression object to JSON String.
static String	toCQL2(Filter filter) Generates the CQL2-Json predicate as a string associated to the Filter object.
static JsonNode	toCQL2Json(Expression expression) Converts Expression object to JsonNode.
static JsonNode	toCQL2Json(Filter filter) Generates the CQL2-Json predicate associated to the Filter object.
static Expression	toExpression(String cql2Json) Converts JSON String to Expression object.
static Filter	toFilter(String cql2Json) Converts CQL2-Json to a Filter object.

Methods inherited from class Object

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

Method Detail

toCQL2Json

public static JsonNode toCQL2Json(Filter filter)

Generates the CQL2-Json predicate associated to the Filter object.

Returns:

CQL2-Json predicate

toCQL2

public static String toCQL2(Filter filter)

Generates the CQL2-Json predicate as a string associated to the Filter object.

Parameters:

filter - the filter to convert

Returns:

the CQL2-Json predicate as a string

toFilter

public static Filter toFilter(String cql2Json)
                       throws CQLException

Converts CQL2-Json to a Filter object.

Parameters:

cql2Json - CQL2-Json predicate

Returns:

Filter object

Throws:

CQLException - if the CQL2-Json predicate is not valid

toCQL2

public static String toCQL2(Expression expression)

Converts Expression object to JSON String.

Parameters:

expression - the expression to convert

Returns:

the JSON String

toCQL2Json

public static JsonNode toCQL2Json(Expression expression)

Converts Expression object to JsonNode.

Parameters:

expression - the expression to convert

Returns:

the JsonNode

toExpression

public static Expression toExpression(String cql2Json)
                               throws CQLException,
                                      IOException,
                                      ParseException

Converts JSON String to Expression object.

Parameters:

cql2Json - the JSON String

Returns:

the Expression object

Throws:

CQLException - if the JSON String is not valid

IOException - if an error occurs while parsing the JSON String

ParseException - if an error occurs while parsing the JSON String