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/*
 * TeleStax, Open Source Cloud Communications
 * Copyright 2011-2014, Telestax Inc and individual contributors
 * by the @authors tag.
 *
 * This program is free software: you can redistribute it and/or modify
 * under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation; either version 3 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see 
 *
 */
package org.restcomm.connect.interpreter.rcml;

import org.restcomm.connect.commons.annotations.concurrency.Immutable;

/**
 * @author [email protected] (Thomas Quintana)
 * @author [email protected] (George Vagenas)
 */
@Immutable
public final class Verbs {
    public static final String dial = "Dial";
    public static final String enqueue = "Enqueue";
    public static final String fax = "Fax";
    public static final String gather = "Gather";
    public static final String hangup = "Hangup";
    public static final String leave = "Leave";
    public static final String pause = "Pause";
    public static final String play = "Play";
    public static final String record = "Record";
    public static final String redirect = "Redirect";
    public static final String reject = "Reject";
    public static final String say = "Say";
    public static final String sms = "Sms";
    public static final String email = "Email";
    //USSD verbs
    public static final String ussdLanguage = "Language";
    public static final String ussdMessage = "UssdMessage";
    public static final String ussdCollect = "UssdCollect";

    public Verbs() {
        super();
    }

    public static boolean isVerb(final Tag tag) {
        final String name = tag.name();
        if (dial.equals(name))
            return true;
        if (enqueue.equals(name))
            return true;
        if (fax.equals(name))
            return true;
        if (gather.equals(name))
            return true;
        if (hangup.equals(name))
            return true;
        if (leave.equals(name))
            return true;
        if (pause.equals(name))
            return true;
        if (play.equals(name))
            return true;
        if (record.equals(name))
            return true;
        if (redirect.equals(name))
            return true;
        if (reject.equals(name))
            return true;
        if (say.equals(name))
            return true;
        if (sms.equals(name))
            return true;
        if (ussdLanguage.equals(name))
            return true;
        if (ussdMessage.equals(name))
            return true;
        if (ussdCollect.equals(name))
            return true;
        return email.equals(name);
    }

    /**
     * if 200 ok delay is enabled we need to answer only the calls
     * which are having any further call enabler verbs in their RCML.
     * @return
     */
    public static boolean isThisVerbCallEnabler(Tag verb){
        if(Verbs.play.equals(verb.name()) || Verbs.say.equals(verb.name()) || Verbs.gather.equals(verb.name()) || Verbs.record.equals(verb.name()) || Verbs.redirect.equals(verb.name()))
            return true;
        return false;
    }
}