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.pagefactory.internal;
  
  import java.lang.reflect.InvocationHandler;
  import java.lang.reflect.InvocationTargetException;
  import java.lang.reflect.Method;
  import org.openqa.selenium.NoSuchElementException;
  import org.openqa.selenium.WebElement;
  import org.openqa.selenium.support.pagefactory.ElementLocator;
  
  public class LocatingElementHandler implements InvocationHandler {
    private final ElementLocator locator;
  
    public LocatingElementHandler(ElementLocator locator) {
      this.locator = locator;
    }
  
    @Override
    public Object invoke(Object object, Method method, Object[] objects) throws Throwable {
      WebElement element;
      try {
        element = locator.findElement();
      } catch (NoSuchElementException e) {
        if ("toString".equals(method.getName())) {
          return "Proxy element for: " + locator.toString();
        }
        throw e;
      }
  
      if ("getWrappedElement".equals(method.getName())) {
        return element;
      }
  
      try {
        return method.invoke(element, objects);
      } catch (InvocationTargetException e) {
        // Unwrap the underlying exception
        throw e.getCause();
      }
    }
  }
  