| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF 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.apache.nutch.protocol.interactiveselenium.handlers; |
| |
| import java.lang.invoke.MethodHandles; |
| |
| import org.apache.hadoop.util.StringUtils; |
| import org.openqa.selenium.JavascriptExecutor; |
| import org.openqa.selenium.WebDriver; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * This is a placeholder/example of a technique or use case where we do multiple |
| * interaction with the web driver and need data from each such interaction in the end. This code shows that after you have |
| * done multiple interactions and accumulated data you can in the end append that to the driver. |
| */ |
| public class DefalultMultiInteractionHandler implements |
| InteractiveSeleniumHandler { |
| private static final Logger LOG = LoggerFactory |
| .getLogger(MethodHandles.lookup().lookupClass()); |
| |
| public String processDriver(WebDriver driver) { |
| // loop and get multiple pages in this string |
| String accumulatedData = ""; |
| try { |
| |
| // append the string to the last page's driver |
| JavascriptExecutor jsx = (JavascriptExecutor) driver; |
| jsx.executeScript("document.body.innerHTML=document.body.innerHTML " |
| + accumulatedData + ";"); |
| } catch (Exception e) { |
| LOG.info(StringUtils.stringifyException(e)); |
| } |
| return accumulatedData; |
| } |
| |
| public boolean shouldProcessURL(String URL) { |
| return true; |
| } |
| } |