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/*
 * TeleStax, Open Source Cloud Communications
 * Copyright 2011-2016, 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 
 *
 * This file incorporates work covered by the following copyright and
 * permission notice:
 *
 *   JBoss, Home of Professional Open Source
 *   Copyright 2007-2011, Red Hat, Inc. and individual contributors
 *   by the @authors tag. See the copyright.txt in the distribution for a
 *   full listing of individual contributors.
 *
 *   This is free software; you can redistribute it and/or modify it
 *   under the terms of the GNU Lesser General Public License as
 *   published by the Free Software Foundation; either version 2.1 of
 *   the License, or (at your option) any later version.
 *
 *   This software 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
 *   Lesser General Public License for more details.
 *
 *   You should have received a copy of the GNU Lesser General Public
 *   License along with this software; if not, write to the Free
 *   Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 *   02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

package org.jdiameter.client.impl.app.rf;

import org.jdiameter.api.Avp;
import org.jdiameter.api.ResultCode;
import org.jdiameter.api.app.AppEvent;
import org.jdiameter.api.app.StateEvent;
import org.jdiameter.api.rf.events.RfAccountingAnswer;
import org.jdiameter.api.rf.events.RfAccountingRequest;

/**
 * @author [email protected]
 * @author  Bartosz Baranowski 
 * @author  Alexandre Mendonca 
 */
@SuppressWarnings("all") //3rd party lib
class Event implements StateEvent {

    enum Type {
        SEND_EVENT_RECORD,
        SEND_START_RECORD,
        SEND_INTERIM_RECORD,
        SEND_STOP_RECORD,
        FAILED_SEND_RECORD,
        RECEIVED_RECORD,
        FAILED_RECEIVE_RECORD
    }

    Type type;
    AppEvent data;

    Event(Type type) {
        this.type = type;
    }

    Event(RfAccountingAnswer accountAnswer) throws Exception {
        int resCode = ResultCode.SUCCESS;
        try {
            resCode = accountAnswer.getMessage().getAvps().getAvp(Avp.RESULT_CODE).getInteger32();
        } catch (Exception exc) {
        }
        type = (resCode == ResultCode.SUCCESS || (resCode / 1000 == 4)) ? Type.RECEIVED_RECORD : Type.FAILED_RECEIVE_RECORD;
        data = accountAnswer;
    }

    Event(RfAccountingRequest accountRequest) throws Exception {
        data = accountRequest;
        int type = accountRequest.getAccountingRecordType(); //legal, its int size...
        switch (type) {
            case 1:
                this.type = Type.SEND_EVENT_RECORD;
                break;
            case 2:
                this.type = Type.SEND_START_RECORD;
                break;
            case 3:
                this.type = Type.SEND_INTERIM_RECORD;
                break;
            case 4:
                this.type = Type.SEND_STOP_RECORD;
                break;
            default:
                throw new Exception("Unknown type " + type);
        }
    }

    Event(Type type, RfAccountingRequest accountRequest) throws Exception {
        this.type = type;
        this.data = accountRequest;
    }

    @Override
    public  E encodeType(Class eClass) {
        return eClass == Type.class ? (E) type : null;
    }

    @Override
    public Enum getType() {
        return type;
    }

    @Override
    public void setData(Object o) {
        data = (AppEvent) o;
    }

    @Override
    public Object getData() {
        return data;
    }

    @Override
    public int compareTo(Object o) {
        return 0;
    }
}