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/*
 * Licensed to The Apereo Foundation under one or more contributor license
 * agreements. See the NOTICE file distributed with this work for additional
 * information regarding copyright ownership.
 *
 *
 * The Apereo Foundation licenses this file to you under the Educational
 * Community 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://opensource.org/licenses/ecl2.txt
 *
 * 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.opencastproject.editor.api;

import static java.util.Objects.requireNonNull;

import com.google.gson.Gson;
import com.google.gson.GsonBuilder;

/**
 *
 * @author Tobias M Schiebeck
 */
public class LockData {

  private final String uuid;
  private final String user;

  public LockData(String uuid, String user) {
    this.uuid = uuid;
    this.user = user;
  }

  public static LockData parse(String json) {
    requireNonNull(json);
    Gson gson = new Gson();
    LockData lockData = gson.fromJson(json, LockData.class);

    return lockData;
  }

  public String getUUID() {
    return uuid;
  }

  public String getUser() {
    return user;
  }

  public String toJSONString() {
    Gson gson = new GsonBuilder().serializeNulls().create();
    return gson.toJson(this);
  }

  @Override
  public String toString() {
    if (! "".equals(user)) {
      return "locked by " + user;
    }
    return "locked by unknown user";
  }
}