nl.b3p.gis.viewer.services

Class EditFeature

java.lang.Object

nl.b3p.gis.viewer.services.EditFeature

public class EditFeature
extends Object

Author:

Meine Toonen meinetoonen@b3partners.nl

Constructor Summary

Constructors

Constructor and Description
EditFeature()

Method Summary

Methods

Modifier and Type	Method and Description
Boolean	editFeature(String json) Edits an existing feature or adds a new one
String	getFeature(String fid, String gegevensBronId) Retrieves all the attributes and values for the given feature
String	getFeatureByWkt(String gegevensBronId, String wkt, Double distance) Get features given a WKT and a distance from a Gegevensbron.
String	getFeatureType(Integer gegevensBronId) Retrieves the featuretype of a given Gegevensbron.
Boolean	removeFeature(String json) Remove a feature

Methods inherited from class java.lang.Object

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

Constructor Detail

EditFeature

public EditFeature()

Method Detail

getFeatureType

public String getFeatureType(Integer gegevensBronId)
                      throws org.json.JSONException

Retrieves the featuretype of a given Gegevensbron. It is a JSONObject, which follows the next scheme: { success: boolean, featurename: String, gegevensbronId: Integer, values: Array of editable columns in the format { columnname: String, label: String, units: String, defaultValues: (optional) Array of defaults, type: String with the datatype of the column }, readonly: Array of non-editable columns in the format { columnname: String, label: String, units: String, defaultValues: (optional) Array of defaults, type: String with the datatype of the column }, geom_attribute : (optional if editable) String geom_type : (optional if editable) String [Polygon|LineString|Point] }

Parameters:

gegevensBronId -

Returns:

Throws:

org.json.JSONException

getFeatureByWkt

public String getFeatureByWkt(String gegevensBronId,
                     String wkt,
                     Double distance)
                       throws org.json.JSONException

Get features given a WKT and a distance from a Gegevensbron. This follows the format: { success: boolean, features: (optional if success == true) Array of JSONObjects, following the format: featurename: String, gegevensbronId: Integer, values: Array of editable columns in the format { columnname: String, label: String, units: String, defaultValues: (optional) Array of defaults, type: String with the datatype of the column }, readonly: Array of non-editable columns in the format { columnname: String, label: String, units: String, defaultValues: (optional) Array of defaults, type: String with the datatype of the column }, geom_attribute : (optional if editable) String, geom : (optional if editable and known) String of Well Known Text }

Parameters:

gegevensBronId - The id of the Gegevensbron

wkt - The Well Known Text of the clicking point

distance - The Distance for which the wkt must be buffered. Important for scale dependend retrieval of features

Returns:

A Stringified JSONObject with the answer of the request

Throws:

org.json.JSONException

getFeature

public String getFeature(String fid,
                String gegevensBronId)
                  throws org.json.JSONException

Retrieves all the attributes and values for the given feature

Parameters:

fid - The featureId for which the attributes and values must be retrieved.

gegevensBronId - The id for the Gegevensbron in which the feature which

fid - resides

Returns:

Returns the JSONObject with all the attributes and values belonging to the feature with the following format: * { success: boolean, features: (optional if success == true) Array of JSONObjects, following the format: featurename: String, gegevensbronId: Integer, values: Array of editable columns in the format { columnname: String, label: String, units: String, defaultValues: (optional) Array of defaults, type: String with the datatype of the column }, readonly: Array of non-editable columns in the format { columnname: String, label: String, units: String, defaultValues: (optional) Array of defaults, type: String with the datatype of the column }, geom_attribute : (optional if editable) String, geom : (optional if editable and known) String of Well Known Text }

Throws:

org.json.JSONException

editFeature

public Boolean editFeature(String json)
                    throws org.json.JSONException

Edits an existing feature or adds a new one

Parameters:

json - The details of the feature which must be editted: consists of a jsonobject in the form: { fid: fid, gegevensbronId: gbId, geom: geometry, mode: String [new|edit], columns :{ col1: val1, col2: val2 } }

Returns:

Boolean indicating whether the operation succeeded or not

Throws:

org.json.JSONException

removeFeature

public Boolean removeFeature(String json)
                      throws org.json.JSONException

Remove a feature

Parameters:

json - The identification of the feature(s) to be deleted. Use the format: { fid: the featureId, gegevensbronId: id (integer) of the gegevensbron from which the feature must be deleted }

Returns:

Throws:

org.json.JSONException