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Adobe Target Java SDK

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/*
 * Copyright 2021 Adobe. All rights reserved.
 * This file is licensed 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 REPRESENTATIONS
 * OF ANY KIND, either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package com.adobe.target.edge.client.service;

import com.adobe.experiencecloud.ecid.visitor.Visitor;
import com.adobe.target.edge.client.exception.TargetClientException;
import com.adobe.target.edge.client.exception.TargetRequestException;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;

public class VisitorProvider {

  private static VisitorProvider INSTANCE = null;

  private final String VISITOR_COOKIE_PREFIX = "AMCV_";
  private String visitorCookieName;
  private String orgId;

  private VisitorProvider(String orgId) throws UnsupportedEncodingException {
    this.orgId = orgId;
    this.visitorCookieName = VISITOR_COOKIE_PREFIX + URLEncoder.encode(orgId, "UTF-8");
  }

  public Visitor createVisitor(String visitorCookie) {
    return new Visitor(orgId, visitorCookie);
  }

  public String getVisitorCookieName() {
    return visitorCookieName;
  }

  public static VisitorProvider getInstance() {
    if (INSTANCE == null) {
      throw new TargetRequestException("VisitorProvider instance is not initialized");
    }

    return INSTANCE;
  }

  public static VisitorProvider init(String orgId) {
    try {
      INSTANCE = new VisitorProvider(orgId);
    } catch (UnsupportedEncodingException e) {
      throw new TargetClientException("Error occurred while initializing VisitorProvider", e);
    }
    return INSTANCE;
  }
}