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A collection of domain classes to ease integrations with PagSeguro Api

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/*
 * 2007-2016 [PagSeguro Internet Ltda.]
 *
 * NOTICE OF LICENSE
 *
 * 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.
 *
 * Copyright: 2007-2016 PagSeguro Internet Ltda.
 * Licence: http://www.apache.org/licenses/LICENSE-2.0
 */
package br.com.uol.pagseguro.api.common.domain.builder;

import br.com.uol.pagseguro.api.common.domain.Receiver;
import br.com.uol.pagseguro.api.utils.Builder;

/**
 * Builder for receiver
 *
 * @author PagSeguro Internet Ltda.
 */
public final class ReceiverBuilder implements Builder {

  private String email;

  /**
   * Set public key of receiver
   *
   * @param email Email
   * @return Builder for receiver
   * @see Receiver#getEmail()
   */
  public ReceiverBuilder withEmail(String email) {
    this.email = email;
    return this;
  }

  /**
   * Build the receiver
   *
   * @return Interface for receiver
   * @see Receiver
   */
  @Override
  public Receiver build() {
    return new SimpleReceiver(this);
  }

  /**
   * Implementation of {@code Receiver}
   */
  private static class SimpleReceiver implements Receiver {

    private final ReceiverBuilder receiverBuilder;

    private SimpleReceiver(ReceiverBuilder receiverBuilder) {
      this.receiverBuilder = receiverBuilder;
    }

    @Override
    public String getEmail() {
      return receiverBuilder.email;
    }
  }
}