Lab02-HTML

HTMLFilteredReader

import java.util.ArrayList;

import cs1.SimpleURLReader;

public class HTMLFilteredReader extends MySimpleURLReader {

	public HTMLFilteredReader(String arg0) {
		super(arg0);
		// TODO Auto-generated constructor stub
	}

	public String getUnfilteredPageContents() {
		// called to return the original page complete with html codes.
		return super.getPageContents();

	}

	@Override
	public String getPageContents() {

		int length;
		int a, b;
		boolean done;
		String finalString;

		a = 0; // first index to omit
		b = 0; // last index to omit
		done = false;
		finalString = "";
		length = super.getPageContents().length();

		for (int i = 0; i < getUnfilteredPageContents().length(); i++) {

			if (getUnfilteredPageContents().charAt(i) == '<') {
				a = i;
			}
			if (getUnfilteredPageContents().charAt(i) == '>') {
				b = i;

			}

			if (a != 0 && b != 0) {
				finalString += getUnfilteredPageContents().substring(b + 1, a);

				a = 0;
				b = 0;

			}

		}

		return finalString;

	}
	
	
	
	
	
	
}

Lab02-A

import cs1.SimpleURLReader;

public class Lab02 {
	public static void main(String args[]){
	
		SimpleURLReader s1; 
		s1 = new SimpleURLReader("http://www.cs.bilkent.edu.tr/~david/housman.htm");
	
		System.out.println(s1.getPageContents());
		System.out.println("------------------------------------");
		System.out.println(s1.getLineCount());
	}
}

MySimpleURLReader

import cs1.SimpleURLReader;

public class MySimpleURLReader extends SimpleURLReader {
		
	String url;
	
	
	public MySimpleURLReader(String arg0) {
		super(arg0);
		url=arg0;
		
		// generated subclass constructor 
	}

	public String getURL() {
		
		return url;
		/* returns the url String used to create the SimpleURLReader object
		 */
	}

	public String getName() {
		boolean check;
		int i;
		
		i=0;
		check=false;
		
		for(i=url.length()-1; (!check) && i>0;i--){
			if(url.charAt(i)== '/'){
				check=true;
			}
		}
		
		return url.substring(i+1,url.length());
		
		/* that returns the filename part of the url ,i.e, the part of the url
		 * following the last '/' character
		 */

	}

	@Override
	public String getPageContents() {

		/*
		 * fixes the bug in SimpleURLReader's getPageContents() method whereby the
		 * String "null" is added to the beginning of the String it returns. Do
		 * this by overriding the corresponding method in your new sub-class.
		 */
		return super.getPageContents().replace("null", "");
		
	}
}

SuperHTMLFilteredReader

import java.util.ArrayList;

import cs1.SimpleURLReader;

public class SuperHTMLFilteredReader extends HTMLFilteredReader {

	public SuperHTMLFilteredReader(String arg0) {
		super(arg0);
		// TODO Auto-generated constructor stub
	}

	public ArrayList<String> getLinks() {
		ArrayList<String> list;
		ArrayList<Integer> listInt;
		ArrayList<Integer> listLast;
		String addList;
		boolean check;

		addList = "";
		list = new ArrayList<String>();
		listInt = new ArrayList<Integer>();
		listLast = new ArrayList<Integer>();
		check = true;

		for (int i = 0; i < getUnfilteredPageContents().length() - 3; i++) {
			if (getUnfilteredPageContents().charAt(i) == 'h' && getUnfilteredPageContents().charAt(i + 1) == 'r'
					&& getUnfilteredPageContents().charAt(i + 3) == 'f') {
				listInt.add(i + 3); // the index of f at "href"
			}
		}

		for (int i = 0; i < listInt.size(); i++) {
			check = true;
			for (int j = listInt.get(i) + 2; j < getUnfilteredPageContents().length() && check; j++) {

				if (getUnfilteredPageContents().charAt(j) == '>') {
					listLast.add(j);
					check = false;
				}

			}
		}

		for (int i = 0; i < listInt.size(); i++) {
			list.add(getUnfilteredPageContents().substring(listInt.get(i) + 3, listLast.get(i) - 1));

		}

		return list;

	}

	public double overHead() {

		return getPageContents().length() * 100 / getUnfilteredPageContents().length();
	}

}

TestHTMLFilteredReader

public class TestHTMLFilteredReader {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		
		HTMLFilteredReader read = new HTMLFilteredReader("http://www.cs.bilkent.edu.tr/~david/housman.htm");
		
		System.out.println(read.getPageContents());
		
		

	}

}

TestMenu

import java.util.ArrayList;
import java.util.Scanner;

public class TestMenu {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner scan;
		String url;
		int input;
		ArrayList<MySimpleURLReader> list;
		int index;

		list = new ArrayList<MySimpleURLReader>();
		scan = new Scanner(System.in);

		do {

			System.out.println("-----------------------------------------------------");

			System.out.println("(1) Enter the url of poem to add to collection");
			System.out.println("(2) List all poems in the collection ");
			System.out.println("(3) Quit ");

			System.out.println("-----------------------------------------------------");

			System.out.println("please enter your choice :");
			input = scan.nextInt();

			scan = new Scanner(System.in);
			
			if (input == 1) {
				System.out.println("Enter the url:");
				url = scan.nextLine();

				if (url.indexOf("htm")!=-1) {
					HTMLFilteredReader reader = new HTMLFilteredReader(url);
					list.add(reader);
				} else {
					MySimpleURLReader reader = new MySimpleURLReader(url);
					list.add(reader);
				}
			}else if(input ==2){
				for (int i=0 ; i<list.size(); i++){
					System.out.println("--"+i+"--"+list.get(i).getName());
				}
				
				
				System.out.println("please enter the index :");
				index = scan.nextInt();
				
				if(index<list.size() && index >=0){
						System.out.println(list.get(index).getPageContents());
						System.out.println("--------------------------------------");
				}else if( index == list.size()){
					
				}else
					System.out.println("invalid input!");
				
				
				
			}

		} while (input != 3);

	}

}

TestMySimpleURLReader

public class TesMytSimpleURLReader {
	public static void main(String[] args){
		
		MySimpleURLReader r1;
		
		r1= new MySimpleURLReader("http://www.cs.bilkent.edu.tr/~david/housman.txt");
		
		System.out.println(r1.getPageContents());
		
		System.out.println(r1.getURL());
		System.out.println(r1.getName());
		
	}

}

TestSuperHTMLFilteredReader

public class TestSuperHTMLFilteredReader {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		
		SuperHTMLFilteredReader supRead = new SuperHTMLFilteredReader("http://www.cs.bilkent.edu.tr/~david/index.html");
		
		for(int i = 0 ; i< supRead.getLinks().size();i++){
			System.out.println(supRead.getLinks().get(i));
		}

	}

}