Java tutorial
/** * 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; import java.io.UnsupportedEncodingException; import java.lang.NumberFormatException; import org.openqa.selenium.By; import org.openqa.selenium.TimeoutException; import org.openqa.selenium.WebDriver; import org.openqa.selenium.WebElement; import org.openqa.selenium.support.ui.ExpectedCondition; import org.openqa.selenium.support.ui.WebDriverWait; import org.openqa.selenium.JavascriptExecutor; import org.slf4j.Logger; import org.slf4j.LoggerFactory; /** * Handler for the site http://newark.com. * @author Joey Hong */ public class NewarkHandler implements InteractivePhantomJSHandler { public static final Logger LOG = LoggerFactory.getLogger(NewarkHandler.class); @Override public String processDriver(WebDriver driver) { StringBuffer buffer = new StringBuffer(); // Extract content String content = driver.findElement(By.tagName("body")).getText(); buffer.append(content).append("\n"); WebElement pages = driver.findElement(By.xpath("//span[@class='pages']")); if (pages == null) { return buffer.toString(); } int lastPageNum = 1; try { lastPageNum = Integer.parseInt( pages.findElement(By.xpath("./span[@class='paginNext pageIt']/a")).getAttribute("data-rel")); } catch (NumberFormatException e) { // do nothing } for (int i = 2; i <= lastPageNum; i++) { buffer.append("<a href=\"").append(driver.getCurrentUrl()).append("/prl/results/").append(i) .append("\" />\n"); } return buffer.toString(); } @Override public boolean shouldProcessURL(String URL) { if (URL.startsWith("http://www.newark.com/") && !URL.contains("/results/")) { return true; } return false; } }