code: // Licensed to the Software Freedom Conservancy (SFC) under one
  // or more contributor license agreements.  See the NOTICE file
  // distributed with this work for additional information
  // regarding copyright ownership.  The SFC licenses this file
  // 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 CONDITIONS OF ANY
  // KIND, either express or implied.  See the License for the
  // specific language governing permissions and limitations
  // under the License.
  
  package org.openqa.selenium.bidi.browsingcontext;
  
  import static java.util.Collections.unmodifiableMap;
  
  import java.util.Map;
  import java.util.TreeMap;
  import org.openqa.selenium.json.JsonInput;
  
  public class NavigationInfo {
  
    private final String browsingContextId;
  
    private final String navigationId;
  
    private final long timestamp;
  
    private final String url;
  
    private NavigationInfo(
        String browsingContextId, String navigationId, long timestamp, String url) {
      this.browsingContextId = browsingContextId;
      this.navigationId = navigationId;
      this.timestamp = timestamp;
      this.url = url;
    }
  
    public static NavigationInfo fromJson(JsonInput input) {
      String browsingContextId = null;
      String navigationId = null;
      long timestamp = 0;
      String url = null;
  
      input.beginObject();
      while (input.hasNext()) {
        switch (input.nextName()) {
          case "context":
            browsingContextId = input.read(String.class);
            break;
  
          case "navigation":
            navigationId = input.read(String.class);
            break;
  
          case "timestamp":
            timestamp = input.read(Long.class);
            break;
  
          case "url":
            url = input.read(String.class);
            break;
  
          default:
            input.skipValue();
            break;
        }
      }
  
      input.endObject();
  
      return new NavigationInfo(browsingContextId, navigationId, timestamp, url);
    }
  
    public String getBrowsingContextId() {
      return browsingContextId;
    }
  
    public String getNavigationId() {
      return navigationId;
    }
  
    public long getTimestamp() {
      return timestamp;
    }
  
    public String getUrl() {
      return url;
    }
  
    private Map<String, Object> toJson() {
      Map<String, Object> toReturn = new TreeMap<>();
  
      toReturn.put("browsingContextId", this.getBrowsingContextId());
      toReturn.put("navigationId", this.getNavigationId());
      toReturn.put("timestamp", this.getTimestamp());
      toReturn.put("url", this.getUrl());
  
      return unmodifiableMap(toReturn);
    }
  }
  