Merge pull request #39 from schrom01/feature_json-plant-db_M2

#36 Added images to Plant database

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

@@ -1,10 +1,13 @@
 package ch.zhaw.gartenverwaltung.io;
 
+import ch.zhaw.gartenverwaltung.json.PlantImageDeserializer;
 import ch.zhaw.gartenverwaltung.types.HardinessZone;
 import ch.zhaw.gartenverwaltung.types.Plant;
 import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.module.SimpleModule;
 import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
 import com.fasterxml.jackson.datatype.jsr310.deser.MonthDayDeserializer;
+import javafx.scene.image.Image;
 
 import java.io.IOException;
 import java.net.URL;
@@ -31,10 +34,14 @@ public class JsonPlantDatabase implements PlantDatabase {
      * Creating constant objects required to deserialize the {@link MonthDay} classes
      */
     private final static JavaTimeModule timeModule = new JavaTimeModule();
+    private final static SimpleModule imageModule = new SimpleModule();
+
     static {
         DateTimeFormatter dateFormat = DateTimeFormatter.ofPattern("MM-dd");
         MonthDayDeserializer dateDeserializer = new MonthDayDeserializer(dateFormat);
         timeModule.addDeserializer(MonthDay.class, dateDeserializer);
+
+        imageModule.addDeserializer(Image.class, new PlantImageDeserializer());
     }
 
     /**
@@ -75,8 +82,9 @@ public class JsonPlantDatabase implements PlantDatabase {
         }
         if (dataSource != null) {
             currentZone = zone;
-            ObjectMapper mapper = new ObjectMapper();
-            mapper.registerModule(timeModule);
+            ObjectMapper mapper = new ObjectMapper()
+                    .registerModule(timeModule)
+                    .registerModule(imageModule);
 
             List<Plant> result;
             result = mapper.readerForListOf(Plant.class).readValue(dataSource);

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

@@ -17,11 +17,12 @@ public class GrowthPhaseTypeDeserializer extends StdDeserializer<GrowthPhaseType
     @Override
     public GrowthPhaseType deserialize(JsonParser parser, DeserializationContext context) throws IOException {
         GrowthPhaseType result = null;
+        String token = parser.getText();
         try {
-            result = GrowthPhaseType.valueOf(parser.getText().toUpperCase());
+            result = GrowthPhaseType.valueOf(token.toUpperCase());
         } catch (IllegalArgumentException e) {
             // TODO: Log
-            System.err.println("bad growth phase type");
+            System.err.printf("Bad growth phase type \"%s\"\n", token);
         }
         return result;
     }

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

@@ -18,11 +18,12 @@ public class HardinessZoneDeserializer extends StdDeserializer<HardinessZone> {
     @Override
     public HardinessZone deserialize(JsonParser parser, DeserializationContext context) throws IOException {
         HardinessZone result = null;
+        String token = parser.getText();
         try {
-            result = HardinessZone.valueOf(parser.getText().toUpperCase());
+            result = HardinessZone.valueOf(token.toUpperCase());
         } catch (IllegalArgumentException e) {
             // TODO: Log
-            System.err.println("bad growth phase type");
+            System.err.printf("Unknown Hardiness Zone \"%s\"\n", token);
         }
         return result;
     }

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

@@ -0,0 +1,31 @@
+package ch.zhaw.gartenverwaltung.json;
+
+import ch.zhaw.gartenverwaltung.io.PlantDatabase;
+import com.fasterxml.jackson.core.JsonParser;
+import com.fasterxml.jackson.databind.DeserializationContext;
+import com.fasterxml.jackson.databind.JsonDeserializer;
+import javafx.scene.image.Image;
+
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URL;
+
+public class PlantImageDeserializer extends JsonDeserializer<Image> {
+
+    @Override
+    public Image deserialize(JsonParser parser, DeserializationContext context) throws IOException {
+        Image result = null;
+        URL imageUrl = PlantDatabase.class.getResource(String.format("images/%s", parser.getText()));
+        if (imageUrl != null) {
+            try (InputStream is = new FileInputStream(imageUrl.getFile())) {
+                result = new Image(is);
+            } catch (IllegalArgumentException e) {
+                // TODO: Log
+                e.printStackTrace();
+                System.err.printf("Cannot find Image \"%s\"\n", imageUrl.getFile());
+            }
+        }
+        return result;
+    }
+}

src/main/java/ch/zhaw/gartenverwaltung/types/Plant.java

@@ -1,5 +1,7 @@
 package ch.zhaw.gartenverwaltung.types;
 
+import javafx.scene.image.Image;
+
 import java.time.LocalDate;
 import java.util.List;
 
@@ -9,6 +11,7 @@ public record Plant(
         long id,
         String name,
         String description,
+        Image image,
         String spacing,
         int light,
         String soil,