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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.googlecloud.domain;

import java.beans.ConstructorProperties;
import java.util.List;

import org.jclouds.googlecloud.internal.NullSafeCopies;
import org.jclouds.javax.annotation.Nullable;

import shaded.com.google.common.collect.ForwardingList;

/** An immutable list that includes a token, if there is another page available. */
public final class ForwardingListPage extends ForwardingList implements ListPage {

   private final List items;
   private final String nextPageToken;

   @ConstructorProperties({ "items", "nextPageToken" }) ForwardingListPage(List items, String nextPageToken) {
      this.items = NullSafeCopies.copyOf(items);
      this.nextPageToken = nextPageToken;
   }

   public static  ListPage create(List items, String nextPageToken) {
      return new ForwardingListPage(items, nextPageToken);
   }

   @Override @Nullable public String nextPageToken() {
      return nextPageToken;
   }

   @Override protected List delegate() {
      return items;
   }

}