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package audiobook;

//~--- JDK imports ------------------------------------------------------------

import java.io.File;

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

/**
 * This class represents an audiobook
 * @author Kim
 */
public class Book extends ArrayList<Chapter> {
    private String album;
    private String artist;
    private File   imageFile;
    private String name;
    private File   targetFolder;

    /**
     * Creates a new empty audiobook
     */
    public Book() {
        name   = "";
        album  = "";
        artist = "";
    }

    /**
     * Creates a new Audiobook with a specified image File
     * @param imageFile
     */
    public Book(File imageFile) {
        setImageFile(imageFile);
    }

    /**
     * Returns a <code>File</code> containing the cover of this audiobook.
     * Returns <code>null</code> if no cover was selected.
     */
    public File getImageFile() {
        return imageFile;
    }

    /**
     * Sets the image of this audiobook. Images have to be in jpeg or png format
     * @param imageFile a file containing an Image
     * @throws IllegalArgumentException If the image is not a jpg, jpeg or png Image
     */
    public void setImageFile(File imageFile) throws IllegalArgumentException {
        if (!Files.FileActions.hasExtention(imageFile, ".jpg", ".jpeg", ".png")) {
            throw new IllegalArgumentException("Illegal Image format");
        }

        this.imageFile = imageFile;
    }

    /**
     * Returns the folder the audiobook is to be stored in.
     * @return a Folder
     */
    public File getTargetFolder() {
        return targetFolder;
    }

    /**
     * Sets the folder the audiobook is to be stored in
     * @param folder a Folder
     */
    public void setTargetFolder(File folder) throws IllegalArgumentException {
        if (!folder.isDirectory()) {
            throw new IllegalArgumentException("Not a Folder");
        }

        this.targetFolder = folder;
    }

    /**
     * Sets the album-tag information
     * @param album a String
     */
    public void setAlbum(String album) {
        this.album = album;
    }

    /**
     * Sets the artist-tag information
     * @param artist aString
     */
    public void setArtist(String artist) {
        this.artist = artist;
    }

    /**
     * Sets the name of the audiobook
     * @param name a String
     */
    public void setName(String name) {
        this.name = name;
    }

    /**
     * Returns the album-tag information
     */
    public String getAlbum() {
        return album;
    }

    /**
     * Returns the artist-tag information
     */
    public String getArtist() {
        return artist;
    }

    /**
     * Returns the name of this audiobook
     */
    public String getName() {
        return name;
    }
}


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