Roster.java

package protocol;

import jimm.comm.Util;

import java.util.Vector;

/**
 * Created with IntelliJ IDEA.
 * <p/>
 * Date: 13.07.13 3:14
 *
 * @author vladimir
 */
public class Roster {
    public Vector<Contact> contacts = new Vector<Contact>();
    public Vector<Group> groups = new Vector<Group>();

    public Roster(Vector<Group> groups, Vector<Contact> contacts) {
        this.groups = groups;
        this.contacts = contacts;
    }

    public Roster() {
        this(new Vector<Group>(), new Vector<Contact>());
    }

    public final Vector<Contact> getContactItems() {
        return contacts;
    }
    public final Vector<Group> getGroupItems() {
        return groups;
    }

    public final Contact getItemByUID(String uin) {
        for (int i = contacts.size() - 1; i >= 0; --i) {
            Contact contact = (Contact)contacts.elementAt(i);
            if (contact.getUserId().equals(uin)) {
                return contact;
            }
        }
        return null;
    }
    public final Group getGroupById(int id) {
        for (int i = groups.size() - 1; 0 <= i; --i) {
            Group group = (Group)groups.elementAt(i);
            if (group.getId() == id) {
                return group;
            }
        }
        return null;
    }
    public final Group getGroup(Contact contact) {
        return getGroupById(contact.getGroupId());
    }

    public final Group getGroup(String name) {
        for (int i = groups.size() - 1; 0 <= i; --i) {
            Group group = (Group)groups.elementAt(i);
            if (group.getName().equals(name)) {
                return group;
            }
        }
        return null;
    }

    public boolean hasContact(Contact contact) {
        return -1 != Util.getIndex(contacts, contact);
    }
}