In this example we are going to see How to Read Zip File Checksum Value In Java.
Java Code:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 | import java.io.BufferedInputStream; import java.io.BufferedOutputStream; import java.io.FileInputStream; import java.io.FileOutputStream; import java.util.zip.Adler32; import java.util.zip.CheckedInputStream; import java.util.zip.ZipEntry; import java.util.zip.ZipInputStream; public class JavaReadCheckSumZip { public static void main(String[] args) throws Exception { String zipname = "d.zip"; CheckedInputStream checksum = new CheckedInputStream(new FileInputStream(zipname), new Adler32()); ZipInputStream zis = new ZipInputStream(new BufferedInputStream(checksum)); ZipEntry entry; while ((entry = zis.getNextEntry()) != null) { System.out.println("Unzipping: " + entry.getName()); int size; byte[] buffer = new byte[2048]; BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(entry.getName()), buffer.length); while ((size = zis.read(buffer, 0, buffer.length)) != -1) { bos.write(buffer, 0, size); } bos.flush(); bos.close(); } zis.close(); System.out.println("Checksum = " + checksum.getChecksum().getValue()); } } |
Zip File Checksum, Java
