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.devtools.idealized.target.model;
  
  import java.util.Optional;
  import org.openqa.selenium.Beta;
  import org.openqa.selenium.devtools.idealized.browser.model.BrowserContextID;
  import org.openqa.selenium.json.JsonInput;
  
  public class TargetInfo {
  
    private final TargetID targetId;
    private final String type;
    private final String title;
    private final String url;
    private final Boolean attached;
  
    private final Optional<TargetID> openerId;
  
    private final Optional<BrowserContextID> browserContextId;
  
    public TargetInfo(
        TargetID targetId,
        String type,
        String title,
        String url,
        Boolean attached,
        Optional<TargetID> openerId,
        Optional<BrowserContextID> browserContextId) {
      this.targetId = java.util.Objects.requireNonNull(targetId, "targetId is required");
      this.type = java.util.Objects.requireNonNull(type, "type is required");
      this.title = java.util.Objects.requireNonNull(title, "title is required");
      this.url = java.util.Objects.requireNonNull(url, "url is required");
      this.attached = java.util.Objects.requireNonNull(attached, "attached is required");
      this.openerId = openerId;
      this.browserContextId = browserContextId;
    }
  
    public TargetID getTargetId() {
      return targetId;
    }
  
    public String getType() {
      return type;
    }
  
    public String getTitle() {
      return title;
    }
  
    public String getUrl() {
      return url;
    }
  
    /** Whether the target has an attached client. */
    public Boolean getAttached() {
      return attached;
    }
  
    /** Opener target Id */
    public Optional<TargetID> getOpenerId() {
      return openerId;
    }
  
    @Beta()
    public Optional<BrowserContextID> getBrowserContextId() {
      return browserContextId;
    }
  
    private static TargetInfo fromJson(JsonInput input) {
      TargetID targetId = null;
      String type = null;
      String title = null;
      String url = null;
      Boolean attached = null;
      Optional<TargetID> openerId = Optional.empty();
      Optional<BrowserContextID> browserContextId = Optional.empty();
      input.beginObject();
      while (input.hasNext()) {
        switch (input.nextName()) {
          case "targetId":
            targetId = input.read(TargetID.class);
            break;
          case "type":
            type = input.nextString();
            break;
          case "title":
            title = input.nextString();
            break;
          case "url":
            url = input.nextString();
            break;
          case "attached":
            attached = input.nextBoolean();
            break;
          case "openerId":
            openerId = Optional.ofNullable(input.read(TargetID.class));
            break;
          case "browserContextId":
            browserContextId = Optional.ofNullable(input.read(BrowserContextID.class));
            break;
          default:
            input.skipValue();
            break;
        }
      }
      input.endObject();
      return new TargetInfo(targetId, type, title, url, attached, openerId, browserContextId);
    }
  }
  