Replace Date by LocalDateTime

Closes #22

src/main/java/envoy/data/GroupMessage.java

@@ -1,7 +1,7 @@
 package envoy.data;
 
+import java.time.LocalDateTime;
 import java.util.Collections;
-import java.util.Date;
 import java.util.Map;
 
 /**
@@ -38,7 +38,8 @@ public final class GroupMessage extends Message {
 	 *                       {@link GroupMessage}
 	 * @since Envoy Common v0.1-beta
 	 */
-	GroupMessage(long id, long senderID, long groupID, Date creationDate, String text, MessageAttachment<?> attachment, MessageStatus status,
+	GroupMessage(long id, long senderID, long groupID, LocalDateTime creationDate, String text, MessageAttachment<?> attachment,
+			MessageStatus status,
 			boolean forwarded, Map<Long, MessageStatus> memberStatuses) {
 		super(id, senderID, groupID, creationDate, text, attachment, status, forwarded);
 		this.memberStatuses = memberStatuses;
@@ -53,10 +54,10 @@ public final class GroupMessage extends Message {
 		setStatus(Collections.min(memberStatuses.values()));
 		switch (getStatus()) {
 			case RECEIVED:
-				setReceivedDate(new Date());
+				setReceivedDate(LocalDateTime.now());
 				break;
 			case READ:
-				setReadDate(new Date());
+				setReadDate(LocalDateTime.now());
 				break;
 		}
 	}

src/main/java/envoy/data/Message.java

@@ -1,8 +1,8 @@
 package envoy.data;
 
 import java.io.Serializable;
-import java.text.SimpleDateFormat;
+import java.time.LocalDateTime;
-import java.util.Date;
+import java.time.format.DateTimeFormatter;
 
 /**
  * Represents a unique message with a unique, numeric ID. Further metadata
@@ -50,14 +50,14 @@ public class Message implements Serializable {
 
 	private final long					id, senderID, recipientID;
 	private final boolean				forwarded;
-	private final Date					creationDate;
+	private final LocalDateTime			creationDate;
 	private final String				text;
 	private final MessageAttachment<?>	attachment;
 
-	private Date			receivedDate, readDate;
+	private LocalDateTime	receivedDate, readDate;
 	private MessageStatus	status;
 
-	private static final long serialVersionUID = 0L;
+	private static final long serialVersionUID = 1L;
 
 	/**
 	 * Initializes a {@link Message} with values for all of its properties. The use
@@ -75,7 +75,8 @@ public class Message implements Serializable {
 	 * @param forwarded    whether this message was forwarded
 	 * @since Envoy Common v0.2-alpha
 	 */
-	Message(long id, long senderID, long recipientID, Date creationDate, String text, MessageAttachment<?> attachment, MessageStatus status,
+	Message(long id, long senderID, long recipientID, LocalDateTime creationDate, String text, MessageAttachment<?> attachment,
+			MessageStatus status,
 			boolean forwarded) {
 		this.id				= id;
 		this.senderID		= senderID;
@@ -111,7 +112,7 @@ public class Message implements Serializable {
 				id,
 				senderID,
 				recipientID,
-				new SimpleDateFormat("dd.MM.yyyy HH:mm:ss").format(creationDate),
+				DateTimeFormatter.ofPattern("dd.MM.yyyy HH:mm:ss").format(creationDate),
 				status,
 				text,
 				forwarded,
@@ -140,32 +141,32 @@ public class Message implements Serializable {
 	 * @return the date at which this message was created
 	 * @since Envoy Common v0.2-alpha
 	 */
-	public Date getCreationDate() { return creationDate; }
+	public LocalDateTime getCreationDate() { return creationDate; }
 
 	/**
 	 * @return the date at which the message has been received by the sender
 	 * @since Envoy Common v0.2-alpha
 	 */
-	public Date getReceivedDate() { return receivedDate; }
+	public LocalDateTime getReceivedDate() { return receivedDate; }
 
 	/**
 	 * @param receivedDate the date at which the message has been received by the
 	 *                     sender
 	 * @since Envoy Common v0.2-alpha
 	 */
-	public void setReceivedDate(Date receivedDate) { this.receivedDate = receivedDate; }
+	public void setReceivedDate(LocalDateTime receivedDate) { this.receivedDate = receivedDate; }
 
 	/**
 	 * @return the date at which the message has been read by the sender
 	 * @since Envoy Common v0.2-alpha
 	 */
-	public Date getReadDate() { return readDate; }
+	public LocalDateTime getReadDate() { return readDate; }
 
 	/**
 	 * @param readDate at which the message has been read by the sender
 	 * @since Envoy Common v0.2-alpha
 	 */
-	public void setReadDate(Date readDate) { this.readDate = readDate; }
+	public void setReadDate(LocalDateTime readDate) { this.readDate = readDate; }
 
 	/**
 	 * @return the text content of this message

src/main/java/envoy/data/MessageBuilder.java

@@ -1,6 +1,6 @@
 package envoy.data;
 
-import java.util.Date;
+import java.time.LocalDateTime;
 import java.util.HashMap;
 import java.util.Map;
 
@@ -23,7 +23,7 @@ public class MessageBuilder {
 
 	// Properties with default values
 	private long					id;
-	private Date					creationDate;
+	private LocalDateTime			creationDate;
 	private String					text;
 	private MessageAttachment<?>	attachment;
 	private Message.MessageStatus	status;
@@ -70,7 +70,7 @@ public class MessageBuilder {
 	public MessageBuilder(Message msg, long recipientID, IDGenerator iDGenerator) {
 		this(msg.getRecipientID(), recipientID, iDGenerator.next());
 		this.attachment		= msg.getAttachment();
-		this.creationDate	= new Date();
+		this.creationDate	= LocalDateTime.now();
 		this.forwarded		= true;
 		this.text			= msg.getText();
 		this.status			= MessageStatus.WAITING;
@@ -83,7 +83,7 @@ public class MessageBuilder {
 	 * <table border="1">
 	 * <tr>
 	 * <td>{@code date}</td>
-	 * <td>{@code new Date()}</td>
+	 * <td>{@code LocalDateTime.now()}</td>
 	 * <tr>
 	 * <tr>
 	 * <td>{@code text}</td>
@@ -161,7 +161,7 @@ public class MessageBuilder {
 	}
 
 	private void supplyDefaults() {
-		if (creationDate == null) creationDate = new Date();
+		if (creationDate == null) creationDate = LocalDateTime.now();
 		if (text == null) text = "";
 		if (status == null) status = MessageStatus.WAITING;
 	}
@@ -171,7 +171,7 @@ public class MessageBuilder {
 	 * @return this {@link MessageBuilder}
 	 * @since Envoy Common v0.2-alpha
 	 */
-	public MessageBuilder setDate(Date creationDate) {
+	public MessageBuilder setDate(LocalDateTime creationDate) {
 		this.creationDate = creationDate;
 		return this;
 	}

src/main/java/envoy/event/GroupMessageStatusChangeEvent.java

@@ -1,6 +1,6 @@
 package envoy.event;
 
-import java.util.Date;
+import java.time.LocalDateTime;
 
 import envoy.data.GroupMessage;
 import envoy.data.Message.MessageStatus;
@@ -29,7 +29,7 @@ public class GroupMessageStatusChangeEvent extends MessageStatusChangeEvent {
 	 * @param memberID the ID of the group member that caused the status change
 	 * @since Envoy Common v0.1-beta
 	 */
-	public GroupMessageStatusChangeEvent(long id, MessageStatus status, Date date, long memberID) {
+	public GroupMessageStatusChangeEvent(long id, MessageStatus status, LocalDateTime date, long memberID) {
 		super(id, status, date);
 		this.memberID = memberID;
 	}
@@ -42,5 +42,4 @@ public class GroupMessageStatusChangeEvent extends MessageStatusChangeEvent {
 
 	@Override
 	public String toString() { return String.format("GroupMessageStatusChangeEvent[meta=%s,memberID=%d]", super.toString(), memberID); }
-
 }

src/main/java/envoy/event/MessageStatusChangeEvent.java

@@ -1,6 +1,6 @@
 package envoy.event;
 
-import java.util.Date;
+import java.time.LocalDateTime;
 
 import envoy.data.Message;
 
@@ -15,7 +15,7 @@ import envoy.data.Message;
 public class MessageStatusChangeEvent extends Event<Message.MessageStatus> {
 
 	private final long	id;
-	private final Date	date;
+	private final LocalDateTime	date;
 
 	private static final long serialVersionUID = 0L;
 
@@ -28,7 +28,7 @@ public class MessageStatusChangeEvent extends Event<Message.MessageStatus> {
 	 * @param date   the date at which the MessageStatus change occurred
 	 * @since Envoy Common v0.2-alpha
 	 */
-	public MessageStatusChangeEvent(long id, Message.MessageStatus status, Date date) {
+	public MessageStatusChangeEvent(long id, Message.MessageStatus status, LocalDateTime date) {
 		super(status);
 		this.id		= id;
 		this.date	= date;
@@ -40,7 +40,7 @@ public class MessageStatusChangeEvent extends Event<Message.MessageStatus> {
 	 * @param message the message from which to build the event
 	 * @since Envoy Common v0.2-alpha
 	 */
-	public MessageStatusChangeEvent(Message message) { this(message.getID(), message.getStatus(), new Date()); }
+	public MessageStatusChangeEvent(Message message) { this(message.getID(), message.getStatus(), LocalDateTime.now()); }
 
 	/**
 	 * @return the ID of the {@link Message} this event is related to
@@ -52,7 +52,7 @@ public class MessageStatusChangeEvent extends Event<Message.MessageStatus> {
 	 * @return the date at which the status change occurred
 	 * @since Envoy Common v0.2-alpha
 	 */
-	public Date getDate() { return date; }
+	public LocalDateTime getDate() { return date; }
 
 	@Override
 	public String toString() { return String.format("MessageStatusChangeEvent[id=%d,status=%s,date=%s]", id, value, date); }