@Override
    public void read(JmeImporter importer) throws IOException {
        super.read(importer);
        InputCapsule capsule = importer.getCapsule(this);
        wrapS = capsule.readEnum("wrapS", WrapMode.class, WrapMode.EdgeClamp);
        wrapT = capsule.readEnum("wrapT", WrapMode.class, WrapMode.EdgeClamp);
        wrapR = capsule.readEnum("wrapR", WrapMode.class, WrapMode.EdgeClamp);
    }
<code>getWrap</code> returns the wrap mode for a given coordinate axis
on this texture.

@param axis
           the axis to return for
@return the wrap mode of the texture.
@throws IllegalArgumentException
            if axis is null
jme3-core/src/main/java/com/jme3/texture/TextureCubeMap.java