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googleSearchClass.java
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googleSearchClass.java
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/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package webcrawler;
/**
*
* @author pradeep
*/
import java.util.*;
import java.net.*;
import org.jsoup.*;
import org.jsoup.nodes.Element;
import org.jsoup.select.Elements;
public class googleSearchClass {
static ArrayList<String> googleResults ; //storing results from google search.
static int count = 0;
public static String search() throws Exception
{
googleResults = new ArrayList<>() ;
Scanner sc = new Scanner(System.in);
System.out.print("Enter String to search: ");
String google = "https://www.google.com/search?client=ubuntu&channel=fs&q=";
String search = sc.nextLine(); //string to search
String charset = "UTF-8";
String userAgent = "Mozilla";
System.out.println("Searching on Google ................ ");
/////////////////////////////////////////////////////
Elements links = Jsoup.connect(google+ URLEncoder.encode(search,charset)+"&num=150").timeout(0).userAgent(userAgent).get().select(".g>.r>a");
for( Element link : links )
{
String url = link.absUrl("href");
//decode link from link of google.
String urlLink = URLDecoder.decode(url.substring(url.indexOf("=")+1 , url.indexOf("&")) , charset);
if( ! urlLink.startsWith("http") )
{
continue; //ads/news etc
}
count++ ;
System.out.println("URL ("+count+") : "+urlLink); //link of website
googleResults.add(urlLink) ;
}
/////////////////////////////////////////////////////////////
if( count == 0 )
{
System.out.println("\nNo result found.\nExiting....");
System.exit(0);
}
System.out.print("\n\nSelect one out of "+ count +" results : ");
int choice = sc.nextInt() ;
if( choice > count || choice < 1 )
{
System.out.println("Invalid choice . Default First result.");
choice = 1 ;
}
//System.out.println("Url : "+googleResults.get(choice-1));
return googleResults.get(choice-1) ;
}
}