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/**
 * Copyright (C) 2015 Red Hat, Inc.
 *
 * Licensed 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 io.fabric8.kubernetes.client.handlers;

import com.squareup.okhttp.OkHttpClient;
import io.fabric8.kubernetes.api.model.HasMetadata;
import io.fabric8.kubernetes.api.model.KubernetesList;
import io.fabric8.kubernetes.api.model.KubernetesListBuilder;
import io.fabric8.kubernetes.api.model.Service;
import io.fabric8.kubernetes.client.Config;
import io.fabric8.kubernetes.client.Handlers;
import io.fabric8.kubernetes.client.HasMetadataVisitiableBuilder;
import io.fabric8.kubernetes.client.ResourceHandler;
import io.fabric8.kubernetes.client.dsl.internal.KubernetesListOperationsImpl;
import org.apache.felix.scr.annotations.Component;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.ArrayList;
import java.util.List;

@Component
@org.apache.felix.scr.annotations.Service
public class KubernetesListHandler implements ResourceHandler {

  private static final Logger LOGGER = LoggerFactory.getLogger(KubernetesListHandler.class);

  @Override
  public String getKind() {
    return Service.class.getSimpleName();
  }

  @Override
  public KubernetesList create(OkHttpClient client, Config config, String namespace, KubernetesList item) {
    return new KubernetesListOperationsImpl(client, config, namespace, null, true, false, false, item, null).create();
  }

  @Override
  public KubernetesList replace(OkHttpClient client, Config config, String namespace, KubernetesList item) {
    List replacedItems = new ArrayList<>();

    for (HasMetadata metadata : item.getItems()) {
      ResourceHandler handler = Handlers.get(item.getKind());
      if (handler == null) {
        LOGGER.warn("No handler found for:" + item.getKind() + ". Ignoring");
      } else {
        replacedItems.add(handler.replace(client, config, namespace, metadata));
      }
    }
    return new KubernetesListBuilder(item).withItems(replacedItems).build();
  }

  @Override
  public KubernetesList reload(OkHttpClient client, Config config, String namespace, KubernetesList item) {
    List replacedItems = new ArrayList<>();

    for (HasMetadata metadata : item.getItems()) {
      ResourceHandler handler = Handlers.get(item.getKind());
      if (handler == null) {
        LOGGER.warn("No handler found for:" + item.getKind() + ". Ignoring");
      } else {
        replacedItems.add(handler.reload(client, config, namespace, metadata));
      }
    }
    return new KubernetesListBuilder(item).withItems(replacedItems).build();
  }

  @Override
  public KubernetesListBuilder edit(KubernetesList item) {
    return new KubernetesListBuilder(item);
  }

  @Override
  public Boolean delete(OkHttpClient client, Config config, String namespace, KubernetesList item) {
    return new KubernetesListOperationsImpl(client, config, namespace, null, true, false, false, item, null).delete(item);
  }
}