SessionID.java

/*
 * otr4j, the open source java otr library.
 * 
 * Distributable under LGPL license. See terms of license at gnu.org.
 */
package net.java.otr4j.session;

import info.guardianproject.otr.app.im.engine.Address;

/** @author George Politis */
public final class SessionID {

    private String fullUserID;

    public SessionID(String accountID, String fullUserID, String protocolName) {
        this.accountID = accountID;
        this.userID = fullUserID == null ? null : Address.stripResource(fullUserID);
        this.fullUserID = fullUserID;
        this.protocolName = protocolName;
    }

    private String accountID;
    private String userID;
    private String protocolName;

    private String sessionId;

    public static final SessionID Empty = new SessionID(null, null, null);

    public String getAccountID() {
        return accountID;
    }

    public String getUserID() {
        return userID;
    }
    
    public String getFullUserID() {
        return fullUserID;
    }

    public String getProtocolName() {
        return protocolName;
    }

    public synchronized String toString() {

        sessionId = getAccountID() + '_' + this.getProtocolName() + '_' + this.getFullUserID();

        return sessionId;

    }

    public boolean equals(Object obj) {

        if (obj == this)
            return true;
        if (obj == null || obj.getClass() != this.getClass())
            return false;

        SessionID sessionID = (SessionID) obj;

        return this.toString().equals(sessionID.toString());
    }

    public int hashCode() {
        return this.toString().hashCode();
    }
}