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The free Java library for Asterisk PBX integration.
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/*
 *  Copyright 2004-2006 Stefan Reuter
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 */
package org.asteriskjava.live.internal;

import org.asteriskjava.live.ManagerCommunicationException;
import org.asteriskjava.live.MeetMeUser;
import org.asteriskjava.live.MeetMeUserState;
import org.asteriskjava.lock.Locker.LockCloser;
import org.asteriskjava.manager.action.CommandAction;

import java.util.Date;

class MeetMeUserImpl extends AbstractLiveObject implements MeetMeUser {
    private static final String COMMAND_PREFIX = "meetme";
    private static final String MUTE_COMMAND = "mute";
    private static final String UNMUTE_COMMAND = "unmute";
    private static final String KICK_COMMAND = "kick";

    private final MeetMeRoomImpl room;
    private final Integer userNumber;
    private final AsteriskChannelImpl channel;
    private final Date dateJoined;

    private Date dateLeft;
    private MeetMeUserState state;
    private boolean talking;
    private boolean muted;

    MeetMeUserImpl(AsteriskServerImpl server, MeetMeRoomImpl room, Integer userNumber, AsteriskChannelImpl channel,
                   Date dateJoined) {
        super(server);
        this.room = room;
        this.userNumber = userNumber;
        this.channel = channel;
        this.dateJoined = dateJoined;
        this.state = MeetMeUserState.JOINED;
    }

    public MeetMeRoomImpl getRoom() {
        return room;
    }

    public Integer getUserNumber() {
        return userNumber;
    }

    public AsteriskChannelImpl getChannel() {
        return channel;
    }

    public Date getDateJoined() {
        return dateJoined;
    }

    public Date getDateLeft() {
        return dateLeft;
    }

    /**
     * Sets the status to {@link MeetMeUserState#LEFT} and dateLeft to the given
     * date.
     *
     * @param dateLeft the date this user left the room.
     */
    void left(Date dateLeft) {
        MeetMeUserState oldState;
        try (LockCloser closer = this.withLock()) {
            oldState = this.state;
            this.dateLeft = dateLeft;
            this.state = MeetMeUserState.LEFT;
        }
        firePropertyChange(PROPERTY_STATE, oldState, state);
    }

    public MeetMeUserState getState() {
        return state;
    }

    public boolean isTalking() {
        return talking;
    }

    void setTalking(boolean talking) {
        boolean oldTalking = this.talking;
        this.talking = talking;
        firePropertyChange(PROPERTY_TALKING, oldTalking, talking);
    }

    public boolean isMuted() {
        return muted;
    }

    void setMuted(boolean muted) {
        boolean oldMuted = this.muted;
        this.muted = muted;
        firePropertyChange(PROPERTY_MUTED, oldMuted, muted);
    }

    // action methods

    public void kick() throws ManagerCommunicationException {
        sendMeetMeUserCommand(KICK_COMMAND);
    }

    public void mute() throws ManagerCommunicationException {
        sendMeetMeUserCommand(MUTE_COMMAND);
    }

    public void unmute() throws ManagerCommunicationException {
        sendMeetMeUserCommand(UNMUTE_COMMAND);
    }

    private void sendMeetMeUserCommand(String command) throws ManagerCommunicationException {
        StringBuilder sb = new StringBuilder();
        sb.append(COMMAND_PREFIX);
        sb.append(" ");
        sb.append(command);
        sb.append(" ");
        sb.append(room.getRoomNumber());
        sb.append(" ");
        sb.append(userNumber);

        server.sendAction(new CommandAction(sb.toString()));
    }

    @Override
    public String toString() {
        StringBuilder sb;
        int systemHashcode;

        sb = new StringBuilder("MeetMeUser[");

        try (LockCloser closer = this.withLock()) {
            sb.append("dateJoined='").append(getDateJoined()).append("',");
            sb.append("dateLeft='").append(getDateLeft()).append("',");
            sb.append("talking=").append(isTalking()).append(",");
            sb.append("muted=").append(isMuted()).append(",");
            sb.append("room=").append(room).append(",");
            systemHashcode = System.identityHashCode(this);
        }
        sb.append("channel=AsteriskChannel[");
        try (LockCloser closer = channel.withLock()) {
            sb.append("id='").append(channel.getId()).append("',");
            sb.append("name='").append(channel.getName()).append("'],");
        }
        sb.append("systemHashcode=").append(systemHashcode);
        sb.append("]");

        return sb.toString();
    }
}