org.jclouds.vcloud.binders.OrgNameCatalogNameVAppTemplateNameToEndpoint Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of vcloud Show documentation
jclouds components to access an implementation of VMWare vCloud
The newest version!
/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.jclouds.vcloud.binders;

import static com.google.common.base.Preconditions.checkNotNull;

import java.net.URI;
import java.util.Map;
import java.util.NoSuchElementException;

import javax.inject.Inject;
import javax.inject.Singleton;

import org.jclouds.http.HttpRequest;
import org.jclouds.rest.MapBinder;
import org.jclouds.vcloud.domain.CatalogItem;
import org.jclouds.vcloud.domain.ReferenceType;
import org.jclouds.vcloud.endpoints.Catalog;
import org.jclouds.vcloud.endpoints.Org;

import com.google.common.base.Supplier;

@Singleton
public class OrgNameCatalogNameVAppTemplateNameToEndpoint implements MapBinder {
   private final Supplier>>> orgCatalogItemMap;
   private final Supplier defaultOrg;
   private final Supplier defaultCatalog;

   @Inject
   public OrgNameCatalogNameVAppTemplateNameToEndpoint(
            Supplier>>> orgCatalogItemMap,
            @Org Supplier defaultOrg, @Catalog Supplier defaultCatalog) {
      this.orgCatalogItemMap = orgCatalogItemMap;
      this.defaultOrg = defaultOrg;
      this.defaultCatalog = defaultCatalog;
   }

   @SuppressWarnings("unchecked")
   @Override
   public  R bindToRequest(R request, Map postParams) {
      Object org = postParams.get("orgName");
      Object catalog = postParams.get("catalogName");
      Object catalogItem = postParams.get("itemName");
      if (org == null)
         org = defaultOrg.get().getName();
      if (catalog == null)
         catalog = defaultCatalog.get().getName();
      Map>> orgCatalogItemMap = this.orgCatalogItemMap.get();

      if (!orgCatalogItemMap.containsKey(org))
         throw new NoSuchElementException("org: " + org + " not found in " + orgCatalogItemMap.keySet());
      Map> catalogs = orgCatalogItemMap.get(org);

      if (!catalogs.containsKey(catalog))
         throw new NoSuchElementException("catalog: " + org + "/" + catalog + " not found in " + catalogs.keySet());
      Map catalogMap = catalogs.get(catalog);

      if (!catalogMap.containsKey(catalogItem))
         throw new NoSuchElementException("item: " + org + "/" + catalog + "/" + catalogItem + " not found in "
                  + catalogMap.keySet());
      CatalogItem item = catalogMap.get(catalogItem);

      URI endpoint = checkNotNull(item.getEntity(),
            "item: " + org + "/" + catalog + "/" + catalogItem + " has no entity").getHref();
      return (R) request.toBuilder().endpoint(endpoint).build();
   }

   @Override
   public  R bindToRequest(R request, Object input) {
      throw new IllegalStateException(getClass() + " needs parameters");
   }
}