Creates a media cache URL for the resource.
The cache first policy will be used if no policy is specified.
<static> getUrl( resourceUrl, [policy] ) → {string}
| Name | Type | Argument | Description |
| resourceUrl | string | The URL to the resource | |
| policy | hwc.MediaCache.Policy | (optional) | The optional cache policy to use. If set, it must be either hwc.MediaCache.Policy.SERVER_FIRST or hwc.MediaCache.Policy.CACHE_FIRST. Default policy is cache first. |
The URL that can be used to access the resource with the specified caching policy.
[/reference/refbody/section/sectiondiv {""})Type:
string
(sectiondiv]// This line creates a url that can be used to retrieve the picture from the cache if possible, and from the server otherwise.
var mediaCacheURL = hwc.MediaCache.getUrl( "http://yourserver.com/Pictures/pentagon.jpg", hwc.MediaCache.Policy.CACHE_FIRST );
// The following function adds a picture to the page. Since the mediaCacheURL variable is used for the url, the picure will be
// retrieved from the cache if possible.
var addPicFromMediaCache = function()
{
// Create the image element.
var image = document.createElement( "img" );
// Set the source of the image to the media cache URL.
image.setAttribute( 'src', mediaCacheURL );
// Add the image element to the page.
document.body.appendChild( image );
}
// This line creates a url that can be used to retrieve the picture from the server if it is available, or the cache otherwise.
var mediaCacheURL_serverFirst = hwc.MediaCache.getUrl( "http://yourserver.com/Pictures/pentagon.jpg", hwc.MediaCache.Policy.SERVER_FIRST );
// The following function adds a picture to the page. Since the mediaCacheURL_serverFirst variable is used for the url, the picture will be gotten
// from the server if the server is available, and from the cache otherwise.
var addPicFromMediaCache_ServerFirst = function()
{
// Create the image element.
var image = document.createElement( "img" );
// Set the source of the image to the media cache URL.
image.setAttribute( 'src', mediaCacheURL_serverFirst );
// Add the image element to the page.
document.body.appendChild( image );
}