The finished() function of the Inflater class returns true if the end of compression data stream has been reached.
Function Signature:
public boolean finished()
Syntax:
i.finished();
Parameter: The function requires no parameter
Return Type: The function returns boolean value, returns true if all the input is uncompressed and stored in the given buffer, else return false.
Exception: The function does not throw any exception
Example 1: use of finished function
// Java program to describe the use // of finished() 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 = "Lazyroar" , 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(); // value returned by finished function System.out.println( "end of compressed data stream reached :" + i.finished()); // 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" )); // value returned by finished function System.out.println( "end of compressed data stream reached :" + i.finished()); // end i.end(); } } |
Output:
Reference: https://docs.oracle.com/javase/7/docs/api/java/util/zip/Inflater.html#finished()