Added ability to change the password, theoretically on client and server

(needs testing!)

common/src/main/java/envoy/event/PasswordChangeRequest.java

@@ -0,0 +1,44 @@
+package envoy.event;
+
+import envoy.data.Contact;
+
+/**
+ * Project: <strong>envoy-common</strong><br>
+ * File: <strong>PasswordChangeRequest.java</strong><br>
+ * Created: <strong>31.07.2020</strong><br>
+ *
+ * @author Leon Hofmeister
+ * @since Envoy Common v0.2-beta
+ */
+public class PasswordChangeRequest extends Event<String> {
+
+	private final long id;
+
+	private final String oldPassword;
+
+	private static final long serialVersionUID = 0L;
+
+	/**
+	 * @param newPassword the new password of that user
+	 * @param oldPassword the old password of that user
+	 * @param userID      the ID of the user who wants to change his password
+	 * @since Envoy Common v0.2-beta
+	 */
+	public PasswordChangeRequest(String newPassword, String oldPassword, long userID) {
+		super(newPassword);
+		this.oldPassword	= oldPassword;
+		id					= userID;
+	}
+
+	/**
+	 * @return the ID of the {@link Contact} this event is related to
+	 * @since Envoy Common v0.2-alpha
+	 */
+	public long getID() { return id; }
+
+	/**
+	 * @return the old password of the underlying user
+	 * @since Envoy Common v0.2-beta
+	 */
+	public String getOldPassword() { return oldPassword; }
+}

common/src/main/java/envoy/event/PasswordChangeResult.java

@@ -0,0 +1,26 @@
+package envoy.event;
+
+/**
+ * This class acts as a notice to the user whether his
+ * {@link envoy.event.PasswordChangeRequest} was successful.
+ * <p>
+ * Project: <strong>envoy-common</strong><br>
+ * File: <strong>PasswordChangeResult.java</strong><br>
+ * Created: <strong>01.08.2020</strong><br>
+ *
+ * @author Leon Hofmeister
+ * @since Envoy Common v0.2-beta
+ */
+public class PasswordChangeResult extends Event<Boolean> {
+
+	private static final long serialVersionUID = 1L;
+
+	/**
+	 * Creates an instance of {@code PasswordChangeResult}.
+	 *
+	 * @param value whether the preceding {@link envoy.event.PasswordChangeRequest}
+	 *              was successful.
+	 * @since Envoy Common v0.2-beta
+	 */
+	public PasswordChangeResult(boolean value) { super(value); }
+}