Examples with RequestCycleCachedResourceVersion org.apache.wicket.request.resource.caching.version.RequestCycleCachedResourceVersion used on opensource projects

Example 1 with RequestCycleCachedResourceVersion

use of org.apache.wicket.request.resource.caching.version.RequestCycleCachedResourceVersion in project wicket by apache.

the class ResourceSettings method getCachingStrategy.

/**
 * gets the resource caching strategy
 *
 * @return strategy
 */
public IResourceCachingStrategy getCachingStrategy() {
    if (resourceCachingStrategy == null) {
        final IResourceVersion resourceVersion;
        if (application.usesDevelopmentConfig()) {
            // development mode:
            // use last-modified timestamp of packaged resource for resource caching
            // cache the version information for the lifetime of the current http request
            resourceVersion = new RequestCycleCachedResourceVersion(new LastModifiedResourceVersion());
        } else {
            // deployment mode:
            // use message digest over resource content for resource caching
            // cache the version information for the lifetime of the application
            resourceVersion = new CachingResourceVersion(new MessageDigestResourceVersion());
        }
        // cache resource with a version string in the filename
        resourceCachingStrategy = new FilenameWithVersionResourceCachingStrategy(resourceVersion);
    }
    return resourceCachingStrategy;
}