public void apply()

in myfaces-html5-core/src/main/java/org/apache/myfaces/html5/handler/MediaSourcesHandler.java [78:150]
57 lines of code
15 McCabe index (conditional complexity)

    public void apply(FaceletContext faceletContext, UIComponent parent) throws IOException
    {
        /*
         * algo: if this is not disabled and parent is a MediaSourceHolder - get value of 'items' attr - convert the
         * value to one of MediaInfo[] or Collection<Info> - add elements of array/collection into parent's MediaInfo
         * set
         */

        // if this is disabled, don't apply anything
        if (this.disabled != null && this.disabled.getBoolean(faceletContext) == true)
        {
            if (log.isLoggable(Level.FINE))
                log.fine("'disabled' is true. handler will not apply anything.");

            return;
        }

        if (!(parent instanceof MediaSourceHolder))
        {
            if (log.isLoggable(Level.WARNING))
                log.warning("parent component " + DebugUtils.getPathToComponent(parent) + " is not a MediaSourceHolder. handler will not apply anything.");
            return;
        }

        MediaSourceHolder msh = (MediaSourceHolder) parent;

        if (this.items.isLiteral())
            throw new FacesException("'items' attribute of <fx:mediaSources> cannot be literal.");

        Object objItems = this.items.getObject(faceletContext);
        if (objItems == null)
        {
            if (log.isLoggable(Level.FINE))
                log.fine("'items' is null. continue silently.");
            return;
        }

        if (objItems instanceof MediaInfo[])
        {
            if (log.isLoggable(Level.FINE))
                log.fine("type of 'items' is MediaInfo[]");
            MediaInfo[] mediaInfoArr = (MediaInfo[]) objItems;
            msh.addMediaInfo(mediaInfoArr);
        }
        else if (objItems instanceof Collection)
        {
            if (log.isLoggable(Level.FINE))
                log.fine("type of 'items' is Collection<MediaInfo>");
            Collection<MediaInfo> mediaInfoCollection = (Collection<MediaInfo>) objItems;
            try
            {
                if (log.isLoggable(Level.FINE))
                    log.fine("Trying to convert Collection<MediaInfo> to MediaInfo[]");
                MediaInfo[] mediaInfoArr = mediaInfoCollection.toArray(new MediaInfo[0]);
                msh.addMediaInfo(mediaInfoArr);
            }
            catch (ArrayStoreException e)
            {
                // if there is one non-MediaInfo element in the collection,
                // we'll fall in here during conversion to array.

                throw new FacesException(
                        "All elements of 'items' attribute of <fx:mediaSources> must be an instance of MediaInfo class.",
                        e);
            }
        }
        else
        {
            throw new FacesException(
                    "'items' attribute of <fx:mediaSources> must be an array or collection of MediaInfo instances. Type of the object provided : "
                            + objItems.getClass());
        }
    }