feat: shapefile writer exports valid shapefiles for mappings includin…

…g feature types with no geometry

Export valid shapefiles, including .cpg, for feature types with geometries.
Displays a warning that feature types with no geometry will not be exported to shapefile.

ING-3974

io/plugins/eu.esdihumboldt.hale.io.shp.test/src/eu/esdihumboldt/hale/io/shp/ShapefileInstanceWriterTest.groovy

@@ -169,7 +169,7 @@ class ShapefileInstanceWriterTest {
 		IOReport report = writer.execute(new LogProgressIndicator())
 
 		assertTrue(report.isSuccess())
-		assertFalse(report.getErrors().isEmpty())
+		assertFalse(report.getWarnings().isEmpty())
 
 		return report;
 	}

io/plugins/eu.esdihumboldt.hale.io.shp.ui/plugin.xml

@@ -21,7 +21,7 @@
          </provider>
       </configPage>
       <configPage
-            class="eu.esdihumboldt.hale.ui.io.config.SimpleTargetCRSConfigurationPage"
+            class="eu.esdihumboldt.hale.io.shp.ui.ShapeTargetCRSConfigurationPage"
             order="0">
          <provider
                ref="eu.esdihumboldt.hale.io.shp.instance.writer">

io/plugins/eu.esdihumboldt.hale.io.shp.ui/src/eu/esdihumboldt/hale/io/shp/ui/ShapeTargetCRSConfigurationPage.java

@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2020 wetransform GmbH
+ * 
+ * All rights reserved. This program and the accompanying materials are made
+ * available under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation, either version 3 of the License,
+ * or (at your option) any later version.
+ * 
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this distribution. If not, see <http://www.gnu.org/licenses/>.
+ * 
+ * Contributors:
+ *     wetransform GmbH <http://www.wetransform.to>
+ */
+
+package eu.esdihumboldt.hale.io.shp.ui;
+
+import eu.esdihumboldt.hale.common.core.io.IOProvider;
+import eu.esdihumboldt.hale.common.instance.io.GeoInstanceWriter;
+import eu.esdihumboldt.hale.ui.io.IOWizard;
+import eu.esdihumboldt.hale.ui.io.config.SimpleTargetCRSConfigurationPage;
+
+/**
+ * Configuration page for the Shape UI.
+ * 
+ * @param <W> the concrete I/O wizard type
+ * @param <P> the {@link IOProvider} type used in the wizard
+ * 
+ * @author Emanuela Epure
+ */
+public class ShapeTargetCRSConfigurationPage<P extends GeoInstanceWriter, W extends IOWizard<P>>
+		extends SimpleTargetCRSConfigurationPage<P, W> {
+
+	/**
+	 * Default constructor.
+	 */
+	public ShapeTargetCRSConfigurationPage() {
+		super(true);
+	}
+
+}

io/plugins/eu.esdihumboldt.hale.io.shp.ui/src/eu/esdihumboldt/hale/io/shp/ui/TypeSelectionPage.java

@@ -63,11 +63,8 @@ public class TypeSelectionPage extends InstanceReaderConfigurationPage
 		implements ShapefileConstants {
 
 	private TypeDefinitionSelector selector;
-
 	private LocatableInputSupplier<? extends InputStream> lastSource;
-
 	private TypeDefinition lastType;
-
 	private Button matchShortPropertyNames;
 
 	/**

io/plugins/eu.esdihumboldt.hale.io.shp/src/eu/esdihumboldt/hale/io/shp/writer/ShapefileInstanceWriter.java

@@ -118,7 +118,8 @@ protected IOReport execute(ProgressIndicator progress, IOReporter reporter)
 					return file.toURI();
 				}).collect(Collectors.toList());
 
-				// Reset the target property so that a caller can find out which
+				// Reset the target property so that a caller can find out
+				// which
 				// files were created.
 				setTarget(new MultiLocationOutputSupplier(uris));
 			}
@@ -152,7 +153,7 @@ protected String getDefaultTypeName() {
 	 * 3. create features <br>
 	 * 4. write the feature data to the Shapefile.
 	 * 
-	 * @param instances instance to write to.
+	 * @param instanceCollection instance to write to.
 	 * @param progress the progress indicator.
 	 * @param reporter the reporter.
 	 * @param location file path URI.
@@ -162,19 +163,19 @@ protected String getDefaultTypeName() {
 	 * @throws IOException exception in any.
 	 * 
 	 */
-	protected List<String> writeInstances(InstanceCollection instances, ProgressIndicator progress,
-			IOReporter reporter, URI location) throws IOException {
+	protected List<String> writeInstances(InstanceCollection instanceCollection,
+			ProgressIndicator progress, IOReporter reporter, URI location) throws IOException {
 
 		// in all the variables, outer Map is for tracking multiple schemas and
 		// inner Map for multiple geometries.
-		Map<String, Map<String, SimpleFeatureType>> schemaFtMap = createFeatureType(instances,
-				progress, reporter);
+		Map<String, Map<String, SimpleFeatureType>> schemaFtMap = createFeatureType(
+				instanceCollection, progress, reporter);
 
 		Map<String, Map<String, ShapefileDataStore>> schemaDataStoreMap = createSchema(location,
 				schemaFtMap);
 
-		Map<String, Map<String, List<SimpleFeature>>> schemaFeaturesMap = createFeatures(instances,
-				progress, reporter, schemaFtMap);
+		Map<String, Map<String, List<SimpleFeature>>> schemaFeaturesMap = createFeatures(
+				instanceCollection, progress, reporter, schemaFtMap);
 
 		return writeToFile(schemaDataStoreMap, schemaFtMap, schemaFeaturesMap);
 	}
@@ -226,13 +227,16 @@ private Map<String, Map<String, SimpleFeatureType>> createFeatureType(
 				// present.
 			}
 		}
-		for (String localPart : missingGeomsForSchemas) {
-			reporter.error(
-					"Cannot create Shapefile for Schema: " + localPart + " as no Geometry found!!");
-		}
+
 		// create SimpleFeatureType from SimpleFeatureTypeBuilder.
 		for (Entry<String, Map<String, SimpleFeatureTypeBuilder>> schemaEntry : schemaBuilderMap
 				.entrySet()) {
+
+			if (missingGeomsForSchemas.contains(schemaEntry.getKey())) {
+				reporter.warn("No geometry found for " + schemaEntry.getKey());
+				continue;
+			}
+
 			for (Entry<String, SimpleFeatureTypeBuilder> geometryEntry : schemaEntry.getValue()
 					.entrySet()) {
 				SimpleFeatureType buildFeatureType = geometryEntry.getValue().buildFeatureType();
@@ -439,9 +443,6 @@ private void createSimpleFeatureTypeBuilderWithGeometry(String localPart,
 	private Map<String, Map<String, ShapefileDataStore>> createSchema(URI location,
 			Map<String, Map<String, SimpleFeatureType>> schemaSftMap) throws IOException {
 
-		if (schemaSftMap.isEmpty()) {
-			throw new IOException("Cannot export to the shape file as no Geometry found!!");
-		}
 		Map<String, Map<String, ShapefileDataStore>> schemaDataStoreMap = new HashMap<String, Map<String, ShapefileDataStore>>();
 
 		// logic to create file name based on the multiple schemas and/or
@@ -635,8 +636,15 @@ private void writePropertiesInstanceData(
 				List<GeometryProperty<?>> geoms = traverseInstanceForGeometries(instance);
 				// add value by traversing geometryType from instance
 				for (GeometryProperty<?> geoProp : geoms) {
-					String geometryType = geoProp.getGeometry().getGeometryType();
-					schemaFbMap.get(localPart).get(geometryType).add(value);
+					if (geoProp.getGeometry() != null) {
+						String geometryType = geoProp.getGeometry().getGeometryType();
+						if (schemaFbMap.get(localPart) != null
+								&& schemaFbMap.get(localPart).get(geometryType) != null
+								&& value != null) {
+							schemaFbMap.get(localPart).get(geometryType).add(value);
+						}
+					}
+
 				}
 			}
 		}

ui/plugins/eu.esdihumboldt.hale.ui/src/eu/esdihumboldt/hale/ui/io/config/SimpleTargetCRSConfigurationPage.java

@@ -22,10 +22,12 @@
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.SelectionAdapter;
 import org.eclipse.swt.events.SelectionEvent;
+import org.eclipse.swt.graphics.Color;
 import org.eclipse.swt.widgets.Button;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Group;
 import org.eclipse.swt.widgets.Label;
+import org.eclipse.ui.PlatformUI;
 import org.geotools.referencing.CRS;
 
 import eu.esdihumboldt.hale.common.core.io.IOProvider;
@@ -49,19 +51,39 @@ public class SimpleTargetCRSConfigurationPage<P extends GeoInstanceWriter, W ext
 	private Button checkConvert;
 	private Button selectCrs;
 	private CRSDefinition crsDef;
+	private boolean showWarning = false;
 
 	/**
 	 * Default constructor.
 	 */
 	public SimpleTargetCRSConfigurationPage() {
 		super("targetCRS");
 
+		setDefaultDescription();
+	}
+
+	/**
+	 * method to be called from different constructors
+	 */
+	private void setDefaultDescription() {
 		setTitle("Coordinate reference system");
 		setDescription("Configure the target coordinate reference system");
 
 		setPageComplete(false);
 	}
 
+	/**
+	 * @param showWarning parameter that shows the warning of exporting feature
+	 *            types without geometry
+	 */
+	public SimpleTargetCRSConfigurationPage(boolean showWarning) {
+		super("targetCRS");
+
+		this.showWarning = showWarning;
+
+		setDefaultDescription();
+	}
+
 	@Override
 	public void enable() {
 		// nothing to do
@@ -138,6 +160,16 @@ public void widgetSelected(SelectionEvent e) {
 
 		});
 
+		if (showWarning) {
+			Label separatorLabel = new Label(page, SWT.NONE);
+			separatorLabel.setText("Warning! Feature types with no geometry will not be exported");
+
+			// Set the text colour of the label to yellow
+			Color yellow = PlatformUI.getWorkbench().getDisplay()
+					.getSystemColor(SWT.COLOR_DARK_GRAY);
+			separatorLabel.setForeground(yellow);
+		}
+
 		// only update on first show
 		// update();
 	}