package com.atlassian.plugin.webresource;
   
   import static com.atlassian.plugin.util.EfficientStringUtils.endsWith;
   import static com.atlassian.plugin.webresource.SuperBatchPluginResource.DEFAULT_RESOURCE_NAME_PREFIX;
   import static com.atlassian.plugin.webresource.SuperBatchPluginResource.URL_PREFIX;
   import static com.google.common.collect.Iterables.concat;
   import static com.google.common.collect.Iterables.transform;
   
   import com.atlassian.plugin.PluginAccessor;
  import com.atlassian.plugin.cache.filecache.FileCache;
  import com.atlassian.plugin.servlet.DownloadableResource;
  
  import com.atlassian.plugin.webresource.cache.CacheHandle;
  import com.atlassian.plugin.webresource.cache.FileCacheKey;
  import com.google.common.base.Function;
  
  import javax.annotation.Nullable;
  import java.util.Map;
  
  /**
   * Produces a batch containing all the defined super batch dependencies
   * @since 2.9.0
   */
  class SuperBatchDownloadableResourceBuilder extends AbstractBatchResourceBuilder
  {
      private final ResourceDependencyResolver dependencyResolver;
  
      public SuperBatchDownloadableResourceBuilder(final ResourceDependencyResolver dependencyResolver, final PluginAccessor pluginAccessor,
                                                   final WebResourceUrlProvider webResourceUrlProvider, final DownloadableResourceFinder resourceFinder,
                                                   final FileCache<FileCacheKey> cache)
      {
          super(pluginAccessor, webResourceUrlProvider, resourceFinder, cache);
          this.dependencyResolver = dependencyResolver;
      }
  
      public boolean matches(final String path)
      {
          final String type = ResourceUtils.getType(path);
          return (path.indexOf(URL_PREFIX) != -1) && endsWith(path, DEFAULT_RESOURCE_NAME_PREFIX, ".", type);
      }
  
      public SuperBatchDownloadableResource parse(final String path, final Map<String, String> params)
      {
          final String type = ResourceUtils.getType(path);
          Iterable<DownloadableResource> resources = concat(transform(dependencyResolver.getSuperBatchDependencies(), new Function<WebResourceModuleDescriptor, Iterable<DownloadableResource>>() {
              @Override
              public Iterable<DownloadableResource> apply(@Nullable WebResourceModuleDescriptor moduleDescriptor) {
                  return resolve(moduleDescriptor, type, params);
              }
          }));
  
          return new SuperBatchDownloadableResource(type, params, resources,
                  CacheHandle.Builder.forRequest(cache, "superbatch", path, params));
      }
  }