#598 - externalized item parsin helper method

src/main/java/de/deadlocker8/budgetmaster/database/BackupItemParser.java

+package de.deadlocker8.budgetmaster.database;
+
+import com.google.gson.Gson;
+import com.google.gson.JsonArray;
+import com.google.gson.JsonElement;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class BackupItemParser
+{
+	public static <T> List<T> parseItems(JsonArray jsonArray, Class<T> itemType)
+	{
+		List<T> parsedItems = new ArrayList<>();
+		for(JsonElement currentItem : jsonArray)
+		{
+			parsedItems.add(new Gson().fromJson(currentItem, itemType));
+		}
+
+		return parsedItems;
+	}
+}

src/main/java/de/deadlocker8/budgetmaster/database/DatabaseParser_v5.java

 package de.deadlocker8.budgetmaster.database;
 
-import com.google.gson.*;
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
 import de.deadlocker8.budgetmaster.database.model.v5.*;
 
-import java.util.ArrayList;
-import java.util.List;
-
 public class DatabaseParser_v5
 {
 	private final String jsonString;
@@ -23,24 +21,13 @@ public class DatabaseParser_v5
 		database = new BackupDatabase_v5();
 
 		final JsonObject root = JsonParser.parseString(jsonString).getAsJsonObject();
-		database.setImages(parseItems(root.get("images").getAsJsonArray(), BackupImage_v5.class));
-		database.setAccounts(parseItems(root.get("accounts").getAsJsonArray(), BackupAccount_v5.class));
-		database.setCategories(parseItems(root.get("categories").getAsJsonArray(), BackupCategory_v5.class));
-		database.setTransactions(parseItems(root.get("transactions").getAsJsonArray(), BackupTransaction_v5.class));
-		database.setTemplates(parseItems(root.get("templates").getAsJsonArray(), BackupTemplate_v5.class));
-		database.setCharts(parseItems(root.get("charts").getAsJsonArray(), BackupChart_v5.class));
+		database.setImages(BackupItemParser.parseItems(root.get("images").getAsJsonArray(), BackupImage_v5.class));
+		database.setAccounts(BackupItemParser.parseItems(root.get("accounts").getAsJsonArray(), BackupAccount_v5.class));
+		database.setCategories(BackupItemParser.parseItems(root.get("categories").getAsJsonArray(), BackupCategory_v5.class));
+		database.setTransactions(BackupItemParser.parseItems(root.get("transactions").getAsJsonArray(), BackupTransaction_v5.class));
+		database.setTemplates(BackupItemParser.parseItems(root.get("templates").getAsJsonArray(), BackupTemplate_v5.class));
+		database.setCharts(BackupItemParser.parseItems(root.get("charts").getAsJsonArray(), BackupChart_v5.class));
 
 		return database;
 	}
-
-	private <T> List<T> parseItems(JsonArray jsonArray, Class<T> itemType)
-	{
-		List<T> parsedItems = new ArrayList<>();
-		for(JsonElement currentItem : jsonArray)
-		{
-			parsedItems.add(new Gson().fromJson(currentItem, itemType));
-		}
-
-		return parsedItems;
-	}
 }
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