com.ubershy.streamsis.actions.SoundAction.java Source code

Java tutorial

Introduction

Here is the source code for com.ubershy.streamsis.actions.SoundAction.java

Source

/** 
 * StreamSis
 * Copyright (C) 2015 Eva Balycheva
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU 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 General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.ubershy.streamsis.actions;

import java.io.File;
import java.net.URI;
import java.nio.file.Paths;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.fasterxml.jackson.annotation.JsonTypeInfo;
import com.ubershy.streamsis.CuteConfig;
import com.ubershy.streamsis.Util;
import com.ubershy.streamsis.project.AbstractCuteNode;

import javafx.scene.media.AudioClip;
import javafx.scene.media.MediaException;

/**
 * Sound Action. <br>
 * This {@link Action} plays sound. <br>
 * Supports ".wav", ".mp3" and ".ogg" files <br>
 * TODO: some ".wav" files can't be played as they have different format. Find a solution.
 */
@SuppressWarnings("unchecked")
@JsonTypeInfo(use = JsonTypeInfo.Id.MINIMAL_CLASS, include = JsonTypeInfo.As.PROPERTY, property = "actnType")
public class SoundAction extends AbstractCuteNode implements Action {

    static final Logger logger = LoggerFactory.getLogger(SoundAction.class);

    /** The possible extensions. */
    protected String[] possibleExtensions = new String[] { ".wav", ".mp3", ".ogg" };

    /** The path of sound. */
    @JsonProperty
    protected String soundPath = "";

    /** The sound that will be played. */
    protected AudioClip soundToPlay;

    /** The volume of sound from 0 to 1. */
    @JsonProperty
    protected double volume = 1;

    public SoundAction() {
    }

    /**
     * Instantiates a new SoundAction with volume 1.
     *
     * @param soundFilePath
     *            the path of sound file
     */
    public SoundAction(String soundFilePath) {
        this(soundFilePath, 1); // second argument is default volume
    }

    /**
     * Instantiates a new SoundAction.
     *
     * @param soundFilePath
     *            the path of sound file
     * @param volume
     *            the volume playback from 0 to 1
     */
    @JsonCreator
    public SoundAction(@JsonProperty("soundPath") String soundFilePath, @JsonProperty("volume") double volume) {
        this.volume = volume;
        this.soundPath = soundFilePath;
    }

    @Override
    public void execute() {
        if (elementInfo.canWork()) {
            elementInfo.setAsWorking();
            play();
            elementInfo.setSuccessfulResult();
        }
    }

    public String getSoundPath() {
        return soundPath;
    }

    public double getVolume() {
        return volume;
    }

    @Override
    public void init() {
        elementInfo.setAsReadyAndHealthy();
        if (volume < 0 || volume > 1)
            elementInfo.setAsBroken("Volume must be in range from 0.0 to 1.0");
        if (soundPath.isEmpty()) {
            elementInfo.setAsBroken("Sound path is not defined");
            return;
        }
        if (Util.checkSingleFileExistanceAndExtension(soundPath, possibleExtensions)) {
            elementInfo.setAsBroken("Can't find or read sound file " + soundPath);
            return;
        }
        soundToPlay = initializeSound(this.soundPath);
    }

    /**
     * Initializes a sound at given path, produces an AudioClip.
     *
     * @param soundPath
     *            the path of sound
     * @return the AudioClip
     */
    protected AudioClip initializeSound(String soundPath) {
        String URISoundPath = new File(soundPath).toURI().toString();
        AudioClip result = null;
        try {
            result = new AudioClip(URISoundPath);
        } catch (MediaException e) {
            elementInfo
                    .setAsSick("Compressed WAVE sound file detected.\nSuch files can't be played:\n" + soundPath);
        } catch (Exception e) {
            elementInfo.setAsBroken("Can't initialize sound file " + soundPath);
        }
        return result;
    }

    /**
     * Play sound.
     */
    protected void play() {
        double globalVolume = CuteConfig.getDouble(CuteConfig.CUTE, "GlobalVolume");
        if (soundToPlay != null) {
            soundToPlay.setVolume(volume * globalVolume);
            soundToPlay.play();
            logger.info(String.format("Playing(%.2f): %s", soundToPlay.getVolume(),
                    Paths.get(URI.create(soundToPlay.getSource()))));
        } else {
            logger.error("Can't play the sound. AudioClip is not defined.");
        }
    }

    public void setSoundPath(String soundPath) {
        this.soundPath = soundPath;
    }

    public void setVolume(double volume) {
        this.volume = volume;
    }

}