edu.usc.cs.ir.htmlunit.handler.Sturmgewehr.java Source code

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Here is the source code for edu.usc.cs.ir.htmlunit.handler.Sturmgewehr.java

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/**
 * 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 edu.usc.cs.ir.htmlunit.handler;

import java.io.UnsupportedEncodingException;

import org.openqa.selenium.By;
import org.openqa.selenium.JavascriptExecutor;
import org.openqa.selenium.TimeoutException;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;

import edu.usc.cs.ir.htmlunit.model.InteractiveHtmlUnitHandler;

/**
 * HtmlUnit Handler for http://www.sturmgewehr.com/ to extract weapon related posts
 * 
 * Command to extract URLs from this host:
 * curl -s "http://www.sturmgewehr.com/forums/" | grep -ioE 'href="[-A-Za-z0-9+&@#/%?=~_|!:,.;]*"' | grep -i "forum/" | awk -F "href=" '{print $2}'| grep -v "#" | cut -d'"' -f2
 * 
 * Seed list is as below:
 * 
 * @author karanjeets
 *
 */
public class Sturmgewehr implements InteractiveHtmlUnitHandler {

    public String processDriver(WebDriver driver) {
        StringBuffer buffer = new StringBuffer();

        WebElement posts = driver.findElement(By.xpath("//div[@class='ipsBox']//ol"));
        buffer.append((String) ((JavascriptExecutor) driver).executeScript("return arguments[0].innerHTML;", posts))
                .append("\n\n");

        int lastPage = Integer.parseInt(
                driver.findElement(By.xpath("//li[@class='ipsPagination_last']//a")).getAttribute("data-page"));

        for (int i = 2; i <= lastPage; i++)
            buffer.append("<a href=\"").append(driver.getCurrentUrl()).append("&page=").append(i).append("\" />\n");

        return buffer.toString();
    }

    public boolean shouldProcessURL(String URL) {
        if (URL.startsWith("http://www.sturmgewehr.com/forums") && !URL.contains("&page=")
                && URL.contains("/forum/"))
            return true;
        return false;
    }

    public static void main(String[] args) {
        Sturmgewehr glocktalk = new Sturmgewehr();
        WebDriver driver = null;
        try {
            driver = HtmlUnitWebDriver.getDriverForPage(
                    "http://www.sturmgewehr.com/forums/index.php?/forum/8-parts-and-accessories-market-board/");
            System.out.println(new String(glocktalk.processDriver(driver).getBytes("UTF-8")));
        } catch (Exception e) {
            if (e instanceof TimeoutException) {
                System.out.println("Timeout Exception");

                try {
                    System.out.println(new String(glocktalk.processDriver(driver).getBytes("UTF-8")));
                } catch (UnsupportedEncodingException e1) {
                    // TODO Auto-generated catch block
                    e1.printStackTrace();
                }

            }
            if (driver != null)
                HtmlUnitWebDriver.cleanUpDriver(driver);
            //e.printStackTrace();
        }
    }

}