org.jclouds.openstack.keystone.v2_0.domain.Access Maven / Gradle / Ivy

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/*
 * 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.openstack.keystone.v2_0.domain;

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

import java.beans.ConstructorProperties;
import java.util.Set;

import org.jclouds.javax.annotation.Nullable;
import org.jclouds.openstack.keystone.auth.domain.AuthInfo;

import shaded.com.google.common.base.MoreObjects;
import shaded.com.google.common.base.Objects;
import shaded.com.google.common.base.MoreObjects.ToStringHelper;
import shaded.com.google.common.collect.ForwardingSet;
import shaded.com.google.common.collect.ImmutableSet;

/**
 * TODO
 *
 * @see 
 */
public class Access extends ForwardingSet implements Comparable, AuthInfo {

   public static Builder builder() {
      return new ConcreteBuilder();
   }

   public Builder toBuilder() {
      return new ConcreteBuilder().fromAccess(this);
   }

   public abstract static class Builder> {
      protected abstract T self();

      protected Token token;
      protected User user;
      protected ImmutableSet.Builder serviceCatalog = ImmutableSet. builder();

      /**
       * @see Access#getToken()
       */
      public T token(Token token) {
         this.token = token;
         return self();
      }

      /**
       * @see Access#getUser()
       */
      public T user(User user) {
         this.user = user;
         return self();
      }

      /**
       * @see Access#delegate()
       */
      public T service(Service service) {
         this.serviceCatalog.add(service);
         return self();
      }

      /**
       * @see Access#delegate()
       */
      public T services(Iterable serviceCatalog) {
         this.serviceCatalog.addAll(serviceCatalog);
         return self();
      }

      public Access build() {
         return new Access(token, user, serviceCatalog.build());
      }

      public T fromAccess(Access in) {
         return this.token(in.getToken()).user(in.getUser()).services(in);
      }
   }

   private static class ConcreteBuilder extends Builder {
      @Override
      protected ConcreteBuilder self() {
         return this;
      }
   }

   private final Token token;
   private final User user;
   private final Set serviceCatalog;

   @ConstructorProperties({ "token", "user", "serviceCatalog" })
   protected Access(Token token, User user, @Nullable Set serviceCatalog) {
      this.token = checkNotNull(token, "token");
      this.user = checkNotNull(user, "user");
      this.serviceCatalog = serviceCatalog == null ? ImmutableSet. of() : ImmutableSet.copyOf(serviceCatalog);
   }

   /**
    * TODO
    */
   public Token getToken() {
      return this.token;
   }

   /**
    * TODO
    */
   public User getUser() {
      return this.user;
   }

   @Override
   public int hashCode() {
      return Objects.hashCode(token, user, serviceCatalog);
   }

   @Override
   public boolean equals(Object obj) {
      if (this == obj)
         return true;
      if (obj == null || getClass() != obj.getClass())
         return false;
      Access that = Access.class.cast(obj);
      return Objects.equal(this.token, that.token) && Objects.equal(this.user, that.user)
            && Objects.equal(this.serviceCatalog, that.serviceCatalog);
   }

   protected ToStringHelper string() {
      return MoreObjects.toStringHelper(this).omitNullValues().add("token", token).add("user", user)
            .add("serviceCatalog", serviceCatalog);
   }

   @Override
   public String toString() {
      return string().toString();
   }

   @Override
   public int compareTo(Access that) {
      if (that == null)
         return 1;
      if (this == that)
         return 0;
      return this.token.compareTo(that.token);
   }

   @Override
   protected Set delegate() {
      return serviceCatalog;
   }

   @Override
   public String getAuthToken() {
      return token.getId();
   }

}