public void deleteFriend() {
for (Friend friend : friends) {
if (friend.getName().equals(this.deleteFriendName)) {
friends.remove(friend);
break;
}
}
}
public Friend getFriend(String id) {
Friend friend = null;
for (Friend temp : this.friends) {
if (temp.getId().equals(id)) {
friend = temp;
break;
}
}
return friend;
}
public boolean hasFriend(String name) {
boolean has = false;
for (Friend friend : friends) {
if (friend.getName().equals(name)) {
has = true;
break;
}
}
return has;
}
public void updateOnlineInfo(String id) {
for (Friend friend : this.friends) {
if (friend.getId().equals(id)) {
if (friend.isInline()) {
friend.setInline(false);
} else {
friend.setInline(true);
}
}
}
}