Add helpers to access full / bare jid as string

jid.go

@@ -50,6 +50,17 @@ func NewJid(sjid string) (*Jid, error) {
 	return jid, nil
 }
 
+func (j *Jid) Full() string {
+	return j.Node + "@" + j.Domain + "/" + j.Resource
+}
+
+func (j *Jid) Bare() string {
+	return j.Node + "@" + j.Domain
+}
+
+// ============================================================================
+// Helpers, for parsing / validation
+
 func isUsernameValid(username string) bool {
 	invalidRunes := []rune{'@', '/', '\'', '"', ':', '<', '>'}
 	return strings.IndexFunc(username, isInvalid(invalidRunes)) < 0

jid_test.go

@@ -59,3 +59,28 @@ func TestIncorrectJids(t *testing.T) {
 		}
 	}
 }
+
+func TestFull(t *testing.T) {
+	jid := "test@domain.com/my resource"
+	parsedJid, err := NewJid(jid)
+	if err != nil {
+		t.Errorf("could not parse jid: %v", err)
+	}
+	fullJid := parsedJid.Full()
+	if fullJid != jid {
+		t.Errorf("incorrect full jid: %s", fullJid)
+	}
+}
+
+func TestBare(t *testing.T) {
+	jid := "test@domain.com"
+	fullJid := jid + "/my resource"
+	parsedJid, err := NewJid(fullJid)
+	if err != nil {
+		t.Errorf("could not parse jid: %v", err)
+	}
+	bareJid := parsedJid.Bare()
+	if bareJid != jid {
+		t.Errorf("incorrect bare jid: %s", bareJid)
+	}
+}