Replaced Joda time with Java Time Api

pom.xml

@@ -44,11 +44,6 @@
             <artifactId>jdatepicker</artifactId>
             <version>2.0.3</version>
         </dependency>
-        <dependency>
-            <groupId>joda-time</groupId>
-            <artifactId>joda-time</artifactId>
-            <version>2.10.13</version>
-        </dependency>
         <dependency>
             <groupId>org.apache.derby</groupId>
             <artifactId>derby</artifactId>

src/main/java/cz/muni/fi/pv168/project/data/category/Category.java

@@ -2,10 +2,9 @@ package cz.muni.fi.pv168.project.data.category;
 
 import cz.muni.fi.pv168.project.data.IdentifiableEntity;
 import cz.muni.fi.pv168.project.ui.i18n.I18N;
-import org.joda.time.Duration;
-import org.joda.time.PeriodType;
 
 import java.awt.*;
+import java.time.Duration;
 import java.time.LocalDate;
 import java.util.ArrayList;
 import java.util.List;
@@ -48,17 +47,16 @@ public class Category implements IdentifiableEntity {
     }
 
     public String getTimeDurationFormatted(LocalDate fromDate, LocalDate toDate) {
-        final var dayTimePeriod = getTotalDuration(fromDate, toDate).toPeriod().normalizedStandard(PeriodType.dayTime());
-        return I18N.getFormattedMessage("timePeriodFormat", dayTimePeriod.getDays(), dayTimePeriod.getHours());
+        return getTotalDuration(fromDate, toDate).toHours() + " hours";
     }
 
     public Duration getTotalDuration(LocalDate fromDate, LocalDate toDate) {
-        return Duration.standardHours(this.timeSpents
+        return this.timeSpents
                 .stream()
                 .filter(categoryTime -> categoryTime.getCompletionDate().compareTo(fromDate) >= 0)
                 .filter(categoryTime -> categoryTime.getCompletionDate().compareTo(toDate) <= 0)
-                .map(CategoryTime::getTimeInHours)
-                .reduce(0L, Long::sum));
+                .map(CategoryTime::getTimeSpent)
+                .reduce(Duration.ZERO, Duration::plus);
     }
 
     public void setTimeSpents(List<CategoryTime> timeSpents) {

src/main/java/cz/muni/fi/pv168/project/data/category/CategoryTime.java

 package cz.muni.fi.pv168.project.data.category;
 
-import org.joda.time.Duration;
-
+import java.time.Duration;
 import java.time.LocalDate;
 import java.util.Objects;
 
@@ -15,7 +14,7 @@ public class CategoryTime {
 
     public CategoryTime(LocalDate completionDate, Long hoursSpent, Long taskId) {
         this.completionDate = completionDate;
-        this.timeSpent = Duration.standardHours(hoursSpent);
+        this.timeSpent = Duration.ofHours(hoursSpent);
         this.taskId = taskId;
     }
 
@@ -28,7 +27,7 @@ public class CategoryTime {
     }
 
     public Long getTimeInHours() {
-        return timeSpent.getStandardHours();
+        return timeSpent.toHours();
     }
 
     public LocalDate getCompletionDate() {
@@ -52,11 +51,15 @@ public class CategoryTime {
     }
 
     public void setHoursSpent(Long hoursSpent) {
-        this.timeSpent = Duration.standardHours(hoursSpent);
+        this.timeSpent = Duration.ofHours(hoursSpent);
     }
 
     @Override
     public int hashCode() {
         return Objects.hash(id);
     }
+
+    public Duration getTimeSpent() {
+        return timeSpent;
+    }
 }

src/main/java/cz/muni/fi/pv168/project/data/task/Task.java

@@ -2,8 +2,8 @@ package cz.muni.fi.pv168.project.data.task;
 
 import cz.muni.fi.pv168.project.data.IdentifiableEntity;
 import cz.muni.fi.pv168.project.data.category.Category;
-import org.joda.time.Duration;
 
+import java.time.Duration;
 import java.time.LocalDate;
 import java.time.format.DateTimeFormatter;
 import java.time.format.FormatStyle;
@@ -29,7 +29,7 @@ public class Task implements Completable, IdentifiableEntity {
 
     Task(String title, Long estimatedHours, LocalDate dueDate) {
         this.title = title;
-        this.estimatedTime = Duration.standardHours(estimatedHours);
+        this.estimatedTime = Duration.ofHours(estimatedHours);
         this.dueDate = LocalDate.from(dueDate);
 
         categories = new ArrayList<>();
@@ -112,7 +112,7 @@ public class Task implements Completable, IdentifiableEntity {
     }
 
     public Long getEstimatedTime() {
-        return estimatedTime.getStandardHours();
+        return estimatedTime.toHours();
     }
 
     public void setEstimatedTime(Duration estimatedTime) {

src/main/java/cz/muni/fi/pv168/project/ui/dialog/TaskDialog.java

@@ -5,7 +5,6 @@ import cz.muni.fi.pv168.project.model.LocalDateModel;
 import cz.muni.fi.pv168.project.ui.i18n.I18N;
 import org.jdatepicker.DateModel;
 import org.jdatepicker.JDatePicker;
-import org.joda.time.Duration;
 
 import javax.swing.JLabel;
 import javax.swing.JPanel;
@@ -17,6 +16,7 @@ import javax.swing.text.AttributeSet;
 import javax.swing.text.BadLocationException;
 import javax.swing.text.DocumentFilter;
 import java.awt.BorderLayout;
+import java.time.Duration;
 import java.time.LocalDate;
 import java.util.List;
 import java.util.regex.Pattern;
@@ -69,7 +69,7 @@ public class TaskDialog extends AbstractLaidOutDialog<Task> {
         if (entity != null) {
             entity.setTitle(titleField.getText());
             entity.setDescription(descriptionField.getText());
-            entity.setEstimatedTime(Duration.standardHours(Long.parseLong(estimatedTimeField.getText())));
+            entity.setEstimatedTime(Duration.ofHours(Long.parseLong(estimatedTimeField.getText())));
             entity.setDueDate((LocalDate) datePicker.getModel().getValue());
 
             return entity;