Package org.geotools.filter.text.cqljson

Class CQLJsonCompiler

Object

CQLJsonCompiler

All Implemented Interfaces:

ICompiler

public class CQLJsonCompiler
extends Object
implements ICompiler

Constructor Summary

Constructors

Constructor	Description
CQLJsonCompiler(String cqlSource, FilterFactory filterFactory)	new instance of CQL Compiler

Method Summary

Modifier and Type	Method	Description
void	compileExpression()	Is this needed for CQL-JSON?
void	compileFilter()	Compiles Filter from predicates source json
void	compileFilterList()	Is this needed for CQL-JSON?
Filter	convertToFilter(JsonNode cql2Expression)	Converts JSON Node into GT Filter
Expression	getExpression()	Is this needed for CQL-JSON?
Filter	getFilter()	Get compiled filter
List<Filter>	getFilterList()	Is this needed for CQL-JSON?
String	getSource()
IToken	getTokenInPosition(int position)	Is this needed for CQL-JSON?

Methods inherited from class Object

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

Constructor Details

CQLJsonCompiler

public CQLJsonCompiler(String cqlSource,
 FilterFactory filterFactory)

new instance of CQL Compiler

Method Details

getSource

public String getSource()

Specified by:

getSource in interface ICompiler

Returns:

the compilation source

compileFilter

public void compileFilter()
                   throws CQLException

Compiles Filter from predicates source json

Specified by:

compileFilter in interface ICompiler

Throws:

CQLException - If there is an issue Parsing the predicates

getFilter

public Filter getFilter()
                 throws CQLException

Get compiled filter

Specified by:

getFilter in interface ICompiler

Returns:

Filter

Throws:

CQLException

See Also:

• ICompiler.compileFilter()

compileExpression

public void compileExpression()
                       throws CQLException

Is this needed for CQL-JSON?

Specified by:

compileExpression in interface ICompiler

Throws:

CQLException

getExpression

public Expression getExpression()
                         throws CQLException

Is this needed for CQL-JSON?

Specified by:

getExpression in interface ICompiler

Returns:

Expression

Throws:

CQLException

See Also:

• ICompiler.compileExpression()

compileFilterList

public void compileFilterList()
                       throws CQLException

Is this needed for CQL-JSON?

Specified by:

compileFilterList in interface ICompiler

Throws:

CQLException

getFilterList

public List<Filter> getFilterList()
                           throws CQLException

Is this needed for CQL-JSON?

Specified by:

getFilterList in interface ICompiler

Returns:

List

Throws:

CQLException

See Also:

• ICompiler.compileFilterList()

getTokenInPosition

public IToken getTokenInPosition(int position)

Is this needed for CQL-JSON?

Specified by:

getTokenInPosition in interface ICompiler

Returns:

IToken

Throws:

CQLException

convertToFilter

public Filter convertToFilter(JsonNode cql2Expression)
                       throws CQLException,
IOException,
ParseException

Converts JSON Node into GT Filter

Parameters:

cql2Expression - JSON Node parsed from source text

Returns:

GeoTools Filter

Throws:

CQLException - Typically messages about unsupported CQL-JSON features

IOException - IO Issues

ParseException - JSON Parsing Issues