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UnitStack is a stub/mock-service for unit-testing AWS implementations.
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/*******************************************************************************
 * Copyright (C) 2017, Florian Mitterbauer
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
 * associated documentation files (the "Software"), to deal in the Software without restriction,
 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in all copies or
 * substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT
 * NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 ******************************************************************************/
package com.flockinger.unitstack.response.sns;

import java.util.Collection;
import java.util.Map;
import java.util.Optional;

import org.apache.commons.lang3.StringUtils;

import com.flockinger.unitstack.model.MockRequest;
import com.flockinger.unitstack.model.MockResponse;
import com.flockinger.unitstack.model.sns.Subscription;
import com.flockinger.unitstack.model.sns.Topic;
import com.flockinger.unitstack.response.Responder;

abstract class SnsResponder implements Responder {

  public abstract boolean isSameAction(MockRequest request);

  public abstract MockResponse createResponse(MockRequest request);


  protected String getAttributeResponseXml(Map attributes) {
    String attributesXml = "";

    for (String attributeName : attributes.keySet()) {
      attributesXml += "" + "" + attributeName + "" + ""
          + attributes.get(attributeName) + "" + "";
    }
    return "" + attributesXml + "";
  }

  protected Optional findSubscriptionWithArn(String subscriptionArn,
      Collection topics) {
    Optional topic = findTopicWithSubscription(subscriptionArn, topics);
    Optional subscription = Optional.empty();
    if (topic.isPresent()) {
      subscription = topic.get().getSubscriptions().stream()
          .filter(sub -> hasSubscriptionArn(subscriptionArn, sub)).findFirst();
    }
    return subscription;
  }

  protected Optional findTopicWithSubscription(String subscriptionArn,
      Collection topics) {
    return topics.stream().filter(topic -> topic.getSubscriptions().stream()
        .anyMatch(subscription -> hasSubscriptionArn(subscriptionArn, subscription))).findAny();
  }

  protected boolean hasSubscriptionArn(String arn, Subscription subscription) {
    return StringUtils.equals(arn, subscription.getSubscriptionArn());
  }
}