import java.io.Serializable;

/**
 * This class is a wrapper for <code>ContentSlide</code> objects and is used to construct an MMS
 * push message. All of the set methods are used by the server during message
 * construction. All of the get methods can be used by an implementation of a push
 * message.
 *
 * @version 1.0
 * @see     ContentSlide
 */
public class MMSSlide implements Serializable {
    private ContentSlide textContent = null;

    private ContentSlide imageContent = null;

    private ContentSlide audioContent = null;

    private ContentSlide videoContent = null;

    /**
     * Returns the audio content of an MMSSlide object.
     * @return the binary audio data as a ConstantSlide object
     */
    public ContentSlide getAudioContent() {
        return audioContent;
    }

    /**
     * Returns the image content of an MMSSlide object.
     * @return the binary image data as a ConstantSlide object
     */
    public ContentSlide getImageContent() {
        return imageContent;
    }

    /**
     * Returns the text content of an MMSSlide object.
     * @return the text data as a ConstantSlide object
     */
    public ContentSlide getTextContent() {
        return textContent;
    }

    /**
     * Returns the video content of an MMSSlide object.
     * @return the binary video data as a ConstantSlide object
     */
    public ContentSlide getVideoContent() {
        return videoContent;
    }

    /**
     * Sets the audio content of an MMSSlide object.
     * @param contentId the unique ID associated with the audio content
     * @param contentMimeType MIME type of the audio content
     * @param contentData the binary audio data as a byte array
     */
    public void setAudioContent(String contentId, String contentMimeType,
            byte[] contentData) {
        this.audioContent = getContentSlide(contentId, contentMimeType,
                contentData);
    }

    /**
     * Sets the image content of an MMSSlide object.
     * @param contentId unique ID associated with the image content
     * @param contentMimeType MIME type of the image content
     * @param contentData the binary image data as a byte array
     */
    public void setImageContent(String contentId, String contentMimeType,
            byte[] contentData) {
        this.imageContent = getContentSlide(contentId, contentMimeType,
                contentData);
    }

    /**
     * Sets the text content of an MMSSlide object.
     * @param contentId unique ID associated with the text content
     * @param contentMimeType MIME type of the text content
     * @param contentData the text data as a byte array
     */
    public void setTextContent(String contentId, String contentMimeType,
            byte[] contentData) {
        this.textContent = getContentSlide(contentId, contentMimeType,
                contentData);
    }

    /**
     * Sets the video content of an MMSSlide object.
     * @param contentId unique ID associated with the video content
     * @param contentMimeType MIME type of the video content
     * @param contentData the binary video data as a byte array
     */
    public void setVideoContent(String contentId, String contentMimeType,
            byte[] contentData) {
        this.videoContent = getContentSlide(contentId, contentMimeType,
                contentData);
    }

    /**
     * Creates a new ContentSlide object with the passed data.
     * @param contentId the unique ID associated with the content
     * @param contentMimeType MIME type of the content
     * @param contentData the binary data
     * @return contentSlide object
     */
    private ContentSlide getContentSlide(String contentId,
            String contentMimeType, byte[] contentData) {
        ContentSlide cs = new ContentSlide();
        cs.setContentId(contentId);
        cs.setContentMimeType(contentMimeType);
        cs.setContentData(contentData);
        return cs;
    }
}