org.jclouds.googlecompute.functions.internal.BaseToPagedIterable Maven / Gradle / Ivy

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/*
 * Licensed to jclouds, Inc. (jclouds) under one or more
 * contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  jclouds 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.googlecompute.functions.internal;

import com.google.common.annotations.Beta;
import com.google.common.base.Function;
import com.google.common.base.Optional;
import org.jclouds.collect.IterableWithMarker;
import org.jclouds.collect.PagedIterable;
import org.jclouds.collect.PagedIterables;
import org.jclouds.googlecompute.domain.ListPage;
import org.jclouds.googlecompute.options.ListOptions;
import org.jclouds.http.HttpRequest;
import org.jclouds.rest.InvocationContext;
import org.jclouds.rest.internal.GeneratedHttpRequest;

import static com.google.common.base.Predicates.instanceOf;
import static com.google.common.collect.Iterables.tryFind;

/**
 * @author Adrian Cole
 */
@Beta
public abstract class BaseToPagedIterable> implements
      Function, PagedIterable>, InvocationContext {

   private GeneratedHttpRequest request;

   @Override
   public PagedIterable apply(ListPage input) {
      if (input.nextMarker() == null)
         return PagedIterables.of(input);

      Optional