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scraper.java
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scraper.java
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import java.io.*;
import java.net.*;
import java.util.Random;
public class scraper {
private static String readInputStreamToString(InputStream inputStream) throws IOException {
ByteArrayOutputStream result = new ByteArrayOutputStream();
byte[] buffer = new byte[1024];
int length;
while ((length = inputStream.read(buffer)) != -1) {
result.write(buffer, 0, length);
}
return result.toString("UTF-8");
}
public static void main(String[] args){
//the file name generator where the source code would be stored you can remove this if you already have one in mind
int leftLimit = 97; // ASCII code for letter 'a'
int rightLimit = 122; // ASCII code for letter 'z'
int targetStringLength = 7;
Random random = new Random();
String fileName = random.ints(leftLimit, rightLimit + 1)
.limit(targetStringLength)
.collect(StringBuilder::new, StringBuilder::appendCodePoint, StringBuilder::append)
.toString();
String pageFile = fileName+".txt"; //You may change the extension to .html but it will end up creating a local copy of the webpage instead of giving you the F12 entire source code
try{
//you can replace the url with any other desired site
URI proxy = new URI("https://www.geeksforgeeks.org/understanding-encapsulation-inheritance-polymorphism-abstraction-in-oops/");
URL geeksForGeeks = proxy.toURL();
HttpURLConnection connection = (HttpURLConnection)geeksForGeeks.openConnection();
if(connection.getResponseCode()==HttpURLConnection.HTTP_OK){
InputStream stream = connection.getInputStream();
String pageContent = readInputStreamToString(stream);
//It would now write the data to your file and the file would be located in the working directory that is displayed in the terminal of your IDE
try{
FileWriter codeWriter = new FileWriter(""+pageFile);
codeWriter.write(pageContent);
codeWriter.close();
} catch(IOException e){
e.printStackTrace();
}
System.out.println("The site's code has been saved to "+pageFile);
stream.close();
} else{
System.out.println("Failed to fetch URL. Response code: "+connection.getResponseCode());
}
}catch(IOException | URISyntaxException e){
e.printStackTrace();
}
}
}