feat: Added logging and refactored code to accommodate

src/main/java/ch/zhaw/gartenverwaltung/MainFXMLController.java

@@ -4,7 +4,6 @@ import javafx.event.ActionEvent;
 import javafx.fxml.FXML;
 import javafx.fxml.FXMLLoader;
 import javafx.fxml.Initializable;
-import javafx.scene.Node;
 import javafx.scene.control.Button;
 import javafx.scene.layout.AnchorPane;
 
@@ -14,12 +13,15 @@ import java.util.HashMap;
 import java.util.Map;
 import java.util.Objects;
 import java.util.ResourceBundle;
+import java.util.logging.Level;
+import java.util.logging.Logger;
 
 public class MainFXMLController implements Initializable {
     /**
      * Caching the panes
      */
     private final Map<String, AnchorPane> panes = new HashMap<>();
+    private static final Logger LOG = Logger.getLogger(MainFXMLController.class.getName());
 
     @FXML
     private Button home_button;
@@ -100,7 +102,7 @@ public class MainFXMLController implements Initializable {
             loadPane("Home.fxml");
             styleChangeButton(home_button);
         } catch (IOException e) {
-            e.printStackTrace();
+            LOG.log(Level.SEVERE, "Failed to load FXML-Pane!", e);
         }
     }
 }

src/main/java/ch/zhaw/gartenverwaltung/PlantsController.java

@@ -7,8 +7,6 @@ import ch.zhaw.gartenverwaltung.types.Plant;
 import ch.zhaw.gartenverwaltung.types.Seasons;
 import javafx.beans.property.ListProperty;
 import javafx.beans.property.SimpleListProperty;
-import javafx.beans.value.ChangeListener;
-import javafx.beans.value.ObservableValue;
 import javafx.collections.FXCollections;
 import javafx.event.ActionEvent;
 import javafx.fxml.FXML;
@@ -29,8 +27,11 @@ import java.net.URL;
 import java.util.List;
 import java.util.Objects;
 import java.util.ResourceBundle;
+import java.util.logging.Level;
+import java.util.logging.Logger;
 
 public class PlantsController implements Initializable {
+    private static final Logger LOG = Logger.getLogger(PlantsController.class.getName());
     private final PlantListModel plantListModel = new PlantListModel();
     private Plant selectedPlant = null;
     private final HardinessZone DEFAULT_HARDINESS_ZONE = HardinessZone.ZONE_8A;
@@ -98,8 +99,10 @@ public class PlantsController implements Initializable {
         lookForSelectedListEntry();
         try {
             viewFilteredListBySearch();
-        } catch (HardinessZoneNotSetException | IOException e) {
+        } catch (HardinessZoneNotSetException e) {
-            e.printStackTrace();
+            LOG.log(Level.WARNING, "Hardiness Zone not set!");
+        } catch (IOException e) {
+            LOG.log(Level.WARNING, "Could not retrieve data!", e);
         }
     }
 
@@ -107,7 +110,7 @@ public class PlantsController implements Initializable {
      *  set text of list view to plant name
      */
     private void setListCellFactory() {
-        list_plants.setCellFactory(param -> new ListCell<Plant>() {
+        list_plants.setCellFactory(param -> new ListCell<>() {
             @Override
             protected void updateItem(Plant plant, boolean empty) {
                 super.updateItem(plant, empty);
@@ -148,8 +151,10 @@ public class PlantsController implements Initializable {
                     List<Plant> filteredPlants = plantListModel.getFilteredPlantListByString(DEFAULT_HARDINESS_ZONE, newValue);
                     clearListView();
                     plantListProperty.addAll(filteredPlants);
-                } catch (HardinessZoneNotSetException | IOException e) {
+                } catch (HardinessZoneNotSetException e) {
-                    e.printStackTrace();
+                    LOG.log(Level.WARNING, "Hardiness Zone not set!");
+                } catch (IOException e) {
+                    LOG.log(Level.WARNING, "Could not retrieve data!", e);
                 }
             }
         });
@@ -163,8 +168,10 @@ public class PlantsController implements Initializable {
         try {
             clearListView();
             plantListProperty.addAll(plantListModel.getPlantList(plantListModel.getCurrentZone()));
-        } catch (HardinessZoneNotSetException | IOException e) {
+        } catch (HardinessZoneNotSetException e) {
-            e.printStackTrace();
+            LOG.log(Level.WARNING, "Hardiness Zone not set!");
+        } catch (IOException e) {
+            LOG.log(Level.WARNING, "Could not retrieve data!", e);
         }
     }
 
@@ -182,12 +189,9 @@ public class PlantsController implements Initializable {
             if (zone.equals(DEFAULT_HARDINESS_ZONE)) {
                 radioButton.setSelected(true);
             }
-            radioButton.selectedProperty().addListener(new ChangeListener<Boolean>() {
+            radioButton.selectedProperty().addListener((observable, oldValue, newValue) -> {
-                @Override
-                public void changed(ObservableValue<? extends Boolean> observable, Boolean oldValue, Boolean newValue) {
                 plantListModel.setCurrentZone(zone);
                 fillPlantListWithHardinessZone();
-                }
             });
             climate_zones.getChildren().add(radioButton);
         }
@@ -207,20 +211,19 @@ public class PlantsController implements Initializable {
             if (season.equals(Seasons.AllSEASONS)) {
                 radioButton.setSelected(true);
             }
-            radioButton.selectedProperty().addListener(new ChangeListener<Boolean>() {
+            radioButton.selectedProperty().addListener((observable, oldValue, newValue) -> {
-                @Override
-                public void changed(ObservableValue<? extends Boolean> observable, Boolean oldValue, Boolean newValue) {
                 if (season.equals(Seasons.AllSEASONS)) {
                     fillPlantListWithHardinessZone();
                 } else {
                     try {
                         viewFilteredListBySeason(season);
-                        } catch (HardinessZoneNotSetException | IOException e) {
+                    } catch (HardinessZoneNotSetException e) {
-                            e.printStackTrace();
+                        LOG.log(Level.WARNING, "Hardiness Zone not set!");
+                    } catch (IOException e) {
+                        LOG.log(Level.WARNING, "Could not retrieve data!", e);
                     }
                 }
 
-                }
             });
             seasons.getChildren().add(radioButton);
         }
@@ -237,27 +240,24 @@ public class PlantsController implements Initializable {
         selectSowDay_button.setDisable(true);
         Image img = new Image(String.valueOf(PlantsController.class.getResource("placeholder.png")));
         img_plant.setImage(img);
-        list_plants.getSelectionModel().selectedItemProperty().addListener(new ChangeListener<Plant>() {
+        list_plants.getSelectionModel().selectedItemProperty().addListener((observable, oldValue, newValue) -> {
-            @Override
-            public void changed(ObservableValue<? extends Plant> observable, Plant oldValue, Plant newValue) {
             if(newValue != null) {
                 selectedPlant = newValue;
                 description_plant.setText(selectedPlant.description());
                 selectSowDay_button.setDisable(false);
-                    Image img;
+                Image img1;
                 if(selectedPlant.image() != null) {
-                        img = selectedPlant.image();
+                    img1 = selectedPlant.image();
                 } else {
-                        img = new Image(String.valueOf(PlantsController.class.getResource("placeholder.png")));
+                    img1 = new Image(String.valueOf(PlantsController.class.getResource("placeholder.png")));
                 }
-                    img_plant.setImage(img);
+                img_plant.setImage(img1);
             } else {
                 selectedPlant = null;
                 description_plant.setText("");
                 selectSowDay_button.setDisable(true);
-                    Image img = new Image(String.valueOf(PlantsController.class.getResource("placeholder.png")));
+                Image img1 = new Image(String.valueOf(PlantsController.class.getResource("placeholder.png")));
-                    img_plant.setImage(img);
+                img_plant.setImage(img1);
-                }
             }
         });
     }

src/main/java/ch/zhaw/gartenverwaltung/io/JsonGardenPlan.java

@@ -145,7 +145,6 @@ public class JsonGardenPlan implements GardenPlan {
                         .registerModule(new Jdk8Module())
                         .writeValue(new File(dataSource.toURI()), cropMap.values());
             } catch (URISyntaxException e) {
-                // TODO: Log
                 throw new IOException(INVALID_DATASOURCE_MSG, e);
             }
         }

src/main/java/ch/zhaw/gartenverwaltung/json/GrowthPhaseTypeDeserializer.java

@@ -16,13 +16,12 @@ public class GrowthPhaseTypeDeserializer extends StdDeserializer<GrowthPhaseType
 
     @Override
     public GrowthPhaseType deserialize(JsonParser parser, DeserializationContext context) throws IOException {
-        GrowthPhaseType result = null;
+        GrowthPhaseType result;
         String token = parser.getText();
         try {
             result = GrowthPhaseType.valueOf(token.toUpperCase());
         } catch (IllegalArgumentException e) {
-            // TODO: Log
+            throw new IOException(String.format("Bad growth phase type \"%s\"\n", token));
-            System.err.printf("Bad growth phase type \"%s\"\n", token);
         }
         return result;
     }

src/main/java/ch/zhaw/gartenverwaltung/json/HardinessZoneDeserializer.java

@@ -17,13 +17,12 @@ public class HardinessZoneDeserializer extends StdDeserializer<HardinessZone> {
 
     @Override
     public HardinessZone deserialize(JsonParser parser, DeserializationContext context) throws IOException {
-        HardinessZone result = null;
+        HardinessZone result;
         String token = parser.getText();
         try {
             result = HardinessZone.valueOf(token.toUpperCase());
         } catch (IllegalArgumentException e) {
-            // TODO: Log
+            throw new IOException(String.format("Unknown Hardiness Zone \"%s\"\n", token), e);
-            System.err.printf("Unknown Hardiness Zone \"%s\"\n", token);
         }
         return result;
     }

src/main/java/ch/zhaw/gartenverwaltung/json/PlantImageDeserializer.java

@@ -23,9 +23,7 @@ public class PlantImageDeserializer extends JsonDeserializer<Image> {
             try (InputStream is = new FileInputStream(new File(imageUrl.toURI()))) {
                 result = new Image(is);
             } catch (IllegalArgumentException | URISyntaxException e) {
-                // TODO: Log
+                throw new IOException(String.format("Cannot find Image \"%s\"\n", imageUrl.getFile()));
-                e.printStackTrace();
-                System.err.printf("Cannot find Image \"%s\"\n", imageUrl.getFile());
             }
         }
         return result;

src/main/java/module-info.java

@@ -4,6 +4,7 @@ module ch.zhaw.gartenverwaltung {
     requires com.fasterxml.jackson.databind;
     requires com.fasterxml.jackson.datatype.jsr310;
     requires com.fasterxml.jackson.datatype.jdk8;
+    requires java.logging;
 
     opens ch.zhaw.gartenverwaltung to javafx.fxml;
     opens ch.zhaw.gartenverwaltung.types to com.fasterxml.jackson.databind;