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.support;
  
  import java.io.Serializable;
  import java.util.ArrayList;
  import java.util.List;
  import org.openqa.selenium.By;
  import org.openqa.selenium.NoSuchElementException;
  import org.openqa.selenium.SearchContext;
  import org.openqa.selenium.WebElement;
  
  public class ByIdOrName extends By implements Serializable {
  
    private static final long serialVersionUID = 3986638402799576701L;
  
    private By idFinder;
    private By nameFinder;
    private String idOrName;
  
    public ByIdOrName(String idOrName) {
      this.idOrName = idOrName;
      idFinder = By.id(idOrName);
      nameFinder = By.name(idOrName);
    }
  
    @Override
    public WebElement findElement(SearchContext context) {
      try {
        // First, try to locate by id
        return idFinder.findElement(context);
      } catch (NoSuchElementException e) {
        // Then by name
        return nameFinder.findElement(context);
      }
    }
  
    @Override
    public List<WebElement> findElements(SearchContext context) {
      List<WebElement> elements = new ArrayList<>();
  
      // First: Find by id ...
      elements.addAll(idFinder.findElements(context));
      // Second: Find by name ...
      elements.addAll(nameFinder.findElements(context));
  
      return elements;
    }
  
    @Override
    public String toString() {
      return "by id or name \"" + idOrName + '"';
    }
  }
  