The setCompressedSize() function is a part of java.util.zip package. The function sets the compressed size of the Zip Entry to specified long value.
Function Signature :
public void setCompressedSize(long val)
Syntax :
zip_entry.setCompressedSize(val);
Parameters :The function takes a long value as parameter.
Return value :The function does not return any value.
Exceptions :The function does not throw any exception.
Below programs illustrates the use of setCompressedSize() function
Example 1: We will create a file named zip_file and get the zip file entry using getEntry() function and then set the Compressed Size of the specified ZipEntry.”file.zip” is a zip file present in f: directory. we will take a “.zip” file as ZipEntry
// Java program to demonstrate the// use of setCompressedSize() function import java.util.zip.*;import java.util.Enumeration;import java.util.*;import java.io.*; public class solution { public static void main(String args[]) { try { // Create a Zip File ZipFile zip_file = new ZipFile("f:\\file1.zip"); // get the Zip Entry using // the getEntry() function ZipEntry entry = zip_file.getEntry("file.zip"); // set the CompressedSize // using the getCompressedSize() // function entry.setCompressedSize(123); // Get the CompressedSize // using the getCompressedSize() // function long input = entry.getCompressedSize(); // Display the CompressedSize System.out.println("CompressedSize : " + input); } catch (Exception e) { System.out.println(e.getMessage()); } }} |
CompressedSize : 123
Example 2: We will create a file named zip_file and get the zip file entry using getEntry() function and then set the CompressedSize of the specified ZipEntry.”file.zip” is a zip file present in f: directory. we will take a “.cpp” file as ZipEntry
// Java program to demonstrate the// use of setCompressedSize() function import java.util.zip.*;import java.util.Enumeration;import java.util.*;import java.io.*; public class solution { public static void main(String args[]) { try { // Create a Zip File ZipFile zip_file = new ZipFile("f:\\file1.zip"); // get the Zip Entry using // the getEntry() function ZipEntry entry = zip_file.getEntry("file1.cpp"); // set the CompressedSize // using the getCompressedSize() // function entry.setCompressedSize(123); // Get the CompressedSize // using the getCompressedSize() // function long input = entry.getCompressedSize(); // Display the CompressedSize System.out.println("CompressedSize : " + input); } catch (Exception e) { System.out.println(e.getMessage()); } }} |
CompressedSize : 123
Reference: https://docs.oracle.com/javase/8/docs/api/java/util/zip/ZipEntry.html#setCompressedSize-long-
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