implement Dbus setExpirationTimer (#735)

implement method

update documentation

man/signal-cli-dbus.5.adoc

@@ -61,6 +61,13 @@ updateProfile(newName<s>, about <s>, aboutEmoji <s>, avatar<s>, remove<b>) -> <>
 
 Exceptions: Failure
 
+
+setExpirationTimer(number<s>, expiration<i>) -> <>::
+* number     : Phone number of recipient
+* expiration : int32 for the number of seconds before messages to this recipient disappear. Set to 0 to disable expiration.
+
+Exceptions: Failure
+
 setContactBlocked(number<s>, block<b>) -> <>::
 * number  : Phone number affected by method
 * block   : 0=remove block , 1=blocked

src/main/java/org/asamk/Signal.java

@@ -71,6 +71,8 @@ public interface Signal extends DBusInterface {
 
     void setContactName(String number, String name) throws Error.InvalidNumber;
 
+    void setExpirationTimer(final String number, final int expiration) throws Error.Failure;
+
     void setContactBlocked(String number, boolean blocked) throws Error.InvalidNumber;
 
     void setGroupBlocked(byte[] groupId, boolean blocked) throws Error.GroupNotFound, Error.InvalidGroupId;

src/main/java/org/asamk/signal/dbus/DbusSignalImpl.java

@@ -305,6 +305,15 @@ public class DbusSignalImpl implements Signal {
         }
     }
 
+    @Override
+    public void setExpirationTimer(final String number, final int expiration) {
+        try {
+            m.setExpirationTimer(getSingleRecipientIdentifier(number, m.getUsername()), expiration);
+        } catch (IOException e) {
+            throw new Error.Failure(e.getMessage());
+        }
+    }
+
     @Override
     public void setContactBlocked(final String number, final boolean blocked) {
         try {