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Inflater getBytesRead() function in Java with examples

  • Last Updated : 24 Jun, 2019


The getBytesRead() function of the Inflater class returns the total number of compressed bytes input provided till now.

Function Signature:

public long getBytesRead()

Syntax:

i.getBytesRead();

Parameter: The function requires no parameter

Return Type: The function returns Long value which is the total number of compressed bytes input .



Exception: The function does not throw any exception

Example 1: use of getBytesRead() function




// Java program to show the
// use of getBytesRead() function
  
import java.util.zip.*;
import java.io.UnsupportedEncodingException;
  
class GFG {
    public static void main(String args[])
        throws UnsupportedEncodingException,
               DataFormatException
    {
  
        // compress the data
  
        // deflater
        Deflater d = new Deflater();
  
        // get the text
        String pattern = "GeeksforGeeks", text = "";
  
        // generate the text
        for (int i = 0; i < 4; i++)
            text += pattern;
  
        // set the input for deflator
        d.setInput(text.getBytes("UTF-8"));
  
        // finish
        d.finish();
  
        // output bytes
        byte output[] = new byte[1024];
  
        // compress the data
        int size = d.deflate(output);
  
        // end
        d.end();
  
        // end of compression
  
        // use Inflater to get back the original data
  
        // Inflater
        Inflater i = new Inflater();
  
        // set the input for inflator
        i.setInput(output);
  
        // output bytes
        byte inflater_output[] = new byte[1024];
  
        // uncompress the data
        int org_size = i.inflate(inflater_output);
  
        // output of inflater and deflater
        System.out.println("Compressed output of deflater : "
                           + new String(output));
        System.out.println("Compressed output of Inflater : "
                           + new String(inflater_output, "UTF-8"));
  
        // get the total number of compressed bytes input so far
        System.out.println("Bytes Read value :" + i.getBytesRead());
  
        // end
        i.end();
    }
}

Output:

Reference: https://docs.oracle.com/javase/7/docs/api/java/util/zip/Inflater.html#getBytesRead()

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