Java examples for Geographic Information System:Esri
add a new Feature to a ServiceFeatureTable in esri
/*/*from w ww .j av a 2 s. c o m*/ * Copyright 2015 Esri. * * Licensed under the Apache License, Version 2.0 (the "License"); you may not * use this file except in compliance with the License. You may obtain a copy of * the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations under * the License. */ package com.esri.sampleviewer.samples.editing; import java.util.HashMap; import java.util.List; import javafx.application.Application; import javafx.application.Platform; import javafx.geometry.Insets; import javafx.geometry.Point2D; import javafx.geometry.Pos; import javafx.scene.Scene; import javafx.scene.control.Label; import javafx.scene.control.TextArea; import javafx.scene.input.MouseButton; import javafx.scene.layout.StackPane; import javafx.scene.layout.VBox; import javafx.stage.Stage; import com.esri.arcgisruntime.concurrent.ListenableFuture; import com.esri.arcgisruntime.datasource.Feature; import com.esri.arcgisruntime.datasource.arcgis.FeatureEditResult; import com.esri.arcgisruntime.datasource.arcgis.ServiceFeatureTable; import com.esri.arcgisruntime.geometry.Point; import com.esri.arcgisruntime.geometry.SpatialReference; import com.esri.arcgisruntime.geometry.SpatialReferences; import com.esri.arcgisruntime.layers.FeatureLayer; import com.esri.arcgisruntime.mapping.Basemap; import com.esri.arcgisruntime.mapping.Map; import com.esri.arcgisruntime.mapping.view.MapView; import com.esri.arcgisruntime.mapping.view.Viewpoint; /** * This sample demonstrates how to add a new Feature to a ServiceFeatureTable. * <h4>How it Works</h4> * * A {@link ServiceFeatureTable} is created from a URL which stores * {@link Feature}s that are associated with that URL. Supply attributes, which * are a key value pair, and a Point from the Map to * {@link ServiceFeatureTable#createFeature} in order to create a new Feature. * Lastly all that needs to be done is to pass that new Feature to * {@link ServiceFeatureTable#updateFeatureAsync} to updated it to the table. * <p> * A ListenableFuture needs to be a class level field because it could get * garbage collected right after being set. */ public class AddFeatures extends Application { private MapView mapView; private ListenableFuture<Boolean> tableResult; private ListenableFuture<List<FeatureEditResult>> serverResult; private static final String SERVICE_FEATURE_URL = "http://sampleserver6.arcgisonline.com/arcgis/rest/services/DamageAssessment/FeatureServer/0"; private static final String SAMPLES_THEME_PATH = "../resources/SamplesTheme.css"; @Override public void start(Stage stage) throws Exception { // create stack pane and application scene StackPane stackPane = new StackPane(); Scene scene = new Scene(stackPane); scene.getStylesheets().add(getClass().getResource(SAMPLES_THEME_PATH) .toExternalForm()); // set title, size, and add scene to stage stage.setTitle("Add Feature Sample"); stage.setWidth(800); stage.setHeight(700); stage.setScene(scene); stage.show(); // create a control panel VBox vBoxControl = new VBox(6); vBoxControl.setMaxSize(250, 150); vBoxControl.getStyleClass().add("panel-region"); // create sample label and description Label descriptionLabel = new Label("Sample Description"); descriptionLabel.getStyleClass().add("panel-label"); TextArea description = new TextArea("This sample shows how to add a new " + "Feature to a Service Feature Table. Click on the Map and new " + "Feature will be added."); description.setWrapText(true); description.autosize(); description.setEditable(false); // add label and description to the control panel vBoxControl.getChildren().addAll(descriptionLabel, description); try { // create a map with streets basemap final Map map = new Map(Basemap.createStreets()); // create starting viewpoint for that map final SpatialReference spatialReference = SpatialReferences .getWebMercator(); Point startPoint = new Point(-16773, 6710477, spatialReference); Viewpoint viewpoint = new Viewpoint(startPoint, 200000); // point and scale // set viewpoint to the map map.setInitialViewpoint(viewpoint); // create service feature table from URL final ServiceFeatureTable featureTable = new ServiceFeatureTable( SERVICE_FEATURE_URL); featureTable.getOutFields().add("*");// * gets all fields from the table // create a feature layer from table final FeatureLayer featureLayer = new FeatureLayer(featureTable); // add the layer to the map map.getOperationalLayers().add(featureLayer); // create a view and set map to it mapView = new MapView(); mapView.setMap(map); mapView.setOnMouseClicked(e -> { if (e.getButton() == MouseButton.PRIMARY) { // create a point from where the user clicked Point2D point = new Point2D(e.getX(), e.getY()); // create a map point from the point Point mapPoint = mapView.screenToLocation(point); // add a new feature to the service feature table addNewFeature(mapPoint, featureTable); } }); // add the map view and control box to stack pane stackPane.getChildren().addAll(mapView, vBoxControl); StackPane.setAlignment(vBoxControl, Pos.TOP_LEFT); StackPane.setMargin(vBoxControl, new Insets(10, 0, 0, 10)); } catch (Exception e) { // on any error, display the stack trace e.printStackTrace(); } } /** * Adds a new Feature to the ServiceFeatureTable and applies the changes to * the server. * * @param mapPoint x,y coordinate pair * @param featureTable holds all Feature data */ private void addNewFeature(Point mapPoint, ServiceFeatureTable featureTable) { // create default attributes for the feature java.util.Map<String, Object> attributes = new HashMap<>(); attributes.put("typdamage", "Minor"); attributes.put("primcause", "Earthquake"); // creates a new feature from the service feature table Feature feature = featureTable.createFeature(attributes, mapPoint); // adds the new feature to the service tableResult = featureTable.addFeatureAsync(feature); try { // if successful apply changes if (tableResult.get().booleanValue()) { serverResult = featureTable.applyEditsAsync(); // check if the server result was successful if (!serverResult.get().get(0).hasCompletedWithErrors()) { System.out.println("Feature successfully added"); } else { System.out .println("Server Error: Failed to add feature to Server."); } } else { System.out .println("Table Error: Failed to add feature to ServiceFeatureTable."); } } catch (Exception e) { // on any error, display the stack trace e.printStackTrace(); } } /** * Stops and releases all resources used in application. * * @throws Exception if security manager doesn't allow JVM to exit with * current status */ @Override public void stop() throws Exception { if (mapView != null) { mapView.dispose(); } Platform.exit(); System.exit(0); } /** * Opens and runs application. * * @param args arguments passed to this application */ public static void main(String[] args) { Application.launch(args); } }