io.freeswitch.command.PlaybackCommand.java Source code

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Here is the source code for io.freeswitch.command.PlaybackCommand.java

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/*
 * Copyright 2015.
 *
 * 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 io.freeswitch.command;

import io.freeswitch.ChannelVariable;
import org.apache.commons.lang3.StringUtils;

import java.util.ArrayList;
import java.util.List;

/**
 * Playback. Plays a sound file on the current channel.
 *
 * @author Arsene Tochemey GANDOTE
 */
public class PlaybackCommand extends BaseCommand {

    /**
     * Playback channel variables
     */
    private List<ChannelVariable> _channelVariables;

    /**
     * Number of times to play the audio file
     */
    private int _loop;
    /**
     * Audio file to play
     */
    private String _audioFile;

    public PlaybackCommand() {
        _channelVariables = new ArrayList<ChannelVariable>();
        _loop = 1;
        _audioFile = "";
    }

    public PlaybackCommand(String audioFile) {
        _audioFile = audioFile;
        _loop = 1;
        _channelVariables = new ArrayList<ChannelVariable>();
    }

    public PlaybackCommand(String audioFile, List<ChannelVariable> variables) {
        _audioFile = audioFile;
        _loop = 1;
        _channelVariables = variables;
    }

    public PlaybackCommand(String audioFile, int loop, List<ChannelVariable> variables) {
        _audioFile = audioFile;
        _loop = loop;
        _channelVariables = variables;
    }

    public int loop() {
        return _loop;
    }

    @Override
    public String argument() {
        String variables = "";
        if (_channelVariables.isEmpty()) {
            for (ChannelVariable channelVariable : _channelVariables) {
                variables += channelVariable.toString() + ",";
            }

            variables = "{" + StringUtils.removeEnd(variables, ",") + "}";
        }

        return String.format("%1s %2s", variables, _audioFile);
    }

    @Override
    public String command() {
        return "playback";
    }

}