nl.b3p.viewer.util

Class FeatureToJson

java.lang.Object

nl.b3p.viewer.util.FeatureToJson

public class FeatureToJson
extends Object

Author:

Roy Braam

Field Summary

Fields

Modifier and Type	Field and Description
static int	MAX_FEATURES

Constructor Summary

Constructors

Constructor and Description
FeatureToJson(boolean arrays, boolean edit)
FeatureToJson(boolean arrays, boolean edit, boolean graph, boolean aliases, List<Long> attributesToInclude)
FeatureToJson(boolean arrays, boolean edit, boolean graph, List<Long> attributesToInclude)

Method Summary

Modifier and Type	Method and Description
org.json.JSONArray	getJSONFeatures(ApplicationLayer al, SimpleFeatureType ft, org.geotools.data.FeatureSource fs, org.geotools.data.Query q, String sort, String dir) Get the features as JSONArray with the given params
static org.opengis.filter.Filter	reformatFilter(org.opengis.filter.Filter filter, SimpleFeatureType ft) Optimze and reformat filter.
static org.opengis.filter.Filter	reformatFilter(org.opengis.filter.Filter filter, SimpleFeatureType ft, boolean includeRelations) Optimze and reformat filter.

Methods inherited from class java.lang.Object

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

Field Detail

MAX_FEATURES

public static final int MAX_FEATURES

See Also:

Constant Field Values

Constructor Detail

FeatureToJson

public FeatureToJson(boolean arrays,
                     boolean edit)

FeatureToJson

public FeatureToJson(boolean arrays,
                     boolean edit,
                     boolean graph,
                     List<Long> attributesToInclude)

FeatureToJson

public FeatureToJson(boolean arrays,
                     boolean edit,
                     boolean graph,
                     boolean aliases,
                     List<Long> attributesToInclude)

Method Detail

getJSONFeatures

public org.json.JSONArray getJSONFeatures(ApplicationLayer al,
                                          SimpleFeatureType ft,
                                          org.geotools.data.FeatureSource fs,
                                          org.geotools.data.Query q,
                                          String sort,
                                          String dir)
                                   throws IOException,
                                          org.json.JSONException,
                                          Exception

Get the features as JSONArray with the given params

Parameters:

al - The application layer(if there is a application layer)

ft - The featuretype that must be used to get the features

fs - The featureSource

q - The query

sort - The attribute name that is used to sort

dir - Sort direction (DESC or ASC)

Returns:

JSONArray with features.

Throws:

IOException - if any

org.json.JSONException - if transforming to json fails

Exception - if any

reformatFilter

public static org.opengis.filter.Filter reformatFilter(org.opengis.filter.Filter filter,
                                                       SimpleFeatureType ft)
                                                throws Exception

Optimze and reformat filter. Delegates to reformatFilter(org.opengis.filter.Filter, nl.b3p.viewer.config.services.SimpleFeatureType, boolean) with the includeRelations set to true.

Parameters:

filter - the filter to process

ft - featuretype to apply filter

Returns:

reformatted / optimised filter

Throws:

Exception - if any

See Also:

reformatFilter(org.opengis.filter.Filter, nl.b3p.viewer.config.services.SimpleFeatureType, boolean)

reformatFilter

public static org.opengis.filter.Filter reformatFilter(org.opengis.filter.Filter filter,
                                                       SimpleFeatureType ft,
                                                       boolean includeRelations)
                                                throws Exception

Optimze and reformat filter.

Parameters:

filter - the filter to process

ft - featuretype to apply filter

includeRelations - whether to include related (joined) data

Returns:

reformatted / optimised filter

Throws:

Exception - if any