- Given a zipped or compressed file in java.
- We would like to display or list the contents of zipped file.
- We will display the name and size of uncompressed files.
Program – list or display contents of zipped /compressed file in java
package org.learn;import java.io.IOException;import java.util.Enumeration;import java.util.zip.ZipEntry;import java.util.zip.ZipFile;public class DisplayZipContents { public static void main(String[] args) throws IOException { ZipFile inputZipFile = new ZipFile("C:\\output\\zipDirectory.zip"); System.out.printf("1.Displaying contents of input directory: %s\n\n", inputZipFile.getName()); final Enumeration<? extends ZipEntry> zipFiles = inputZipFile.entries(); int nFile = 2; while(zipFiles.hasMoreElements()) { ZipEntry zipEntry = zipFiles.nextElement(); long fileSize = zipEntry.getCompressedSize(); String fileName = zipEntry.getName(); System.out.printf("%d. File Name: %s, File size = %d bytes\n",nFile++, fileName, fileSize); } }} |
Output – list or display contents of zipped / compressed file in java
1.Displaying contents of input directory: C:\output\zipDirectory.zip2. File Name: Dir1/Dir1_F1.txt, File size = 18 bytes3. File Name: Dir1/Dir1_F2.txt, File size = 20 bytes4. File Name: Dir1/Dir11/Dir11_F1.txt, File size = 18 bytes5. File Name: Dir1/Dir11/Dir11_F2.txt, File size = 20 bytes6. File Name: Dir2/Dir2_F1.txt, File size = 18 bytes7. File Name: Dir2/Dir2_F2.txt, File size = 20 bytes8. File Name: Dir2/Dir21/Dir21_F1.txt, File size = 18 bytes9. File Name: Dir2/Dir21/Dir21_F2.txt, File size = 20 bytes10. File Name: FirstFile.txt, File size = 18 bytes11. File Name: SecondFile.txt, File size = 20 bytes12. File Name: ThirdFile.txt, File size = 19 bytes |