Listing Contents of a ZIP File

This section, provides the way for listing all the elements of a zip file through the java code.

Listing Contents of a ZIP File

Listing Contents of a ZIP File

     

Section, provides the way for listing all the elements of a zip file through the java code. Following program helps you for the appropriate. You can directly copy and paste the code in your java application for showing list of elements present in the zip file format.

Program Result:

This program takes a zip file name and checks it for the zip format ('.zip' extension) and also checks whether the given file exists or not in your specified or default directory. Then it shows the list of the elements of the zip file.

Code Description:

ZipFile:
This is the class of java.util.zip.*; package. This class is used to read the zip file entries.

Here is the code of the program:

import java.util.*;
import java.util.zip.*;
import java.io.*;

public class ListZipFiles{
  public static void main(String[] args) throws IOException{
  ListZipFiles zf = new ListZipFiles();
  }

  public ListZipFiles() throws IOException{
  BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
  System.out.print("Enter Zip file name: ");
  String filename = in.readLine();
//  File file = new File(filename);
  if(!filename.endsWith(".zip")){
  System.out.println("Invalid file name!");
  System.exit(0);
  }
  else if(!new File(filename).exists()){
  System.out.println("File not exist!");
  System.exit(0);
  }

  try{
  ZipFile zipFile = new ZipFile(filename);
  Enumeration em = zipFile.entries();
  for (Enumeration em1 = zipFile.entries(); em1.hasMoreElements();) {
  System.out.println(em1.nextElement());
  }
  }
  catch(ZipException ze){
  System.out.println(ze.getMessage());
  System.out.println("Zip file may be corrupted.");
  System.exit(0);
  }
  }
} 

Download this example.

Tutorials

  1. Java util package Examples
  2. Java Util Package - Utility Package of Java
  3. Generating Random Number
  4. Breaking the String into Words
  5. Listing all available Locales
  6. Setting the default Locale
  7. Associate a value with an object
  8. Comparing Arrays
  9. Shuffling the Element of a List or Array
  10. Collections Framework
  11. Collection Iterate Example
  12. Converting Collection to an Array
  13. Converting an Array to a Collection
  14. Implement the Queue in Java
  15. Implementing a Stack in Java
  16. Implementing a Least-Recently-Used(LRU) Cache
  17. Creating a Copy of a Collection
  18. Making a Collection Read-Only
  19. Sorting elements of a Collection
  20. Creating a Hash Table
  21. Finding an Element in a Sorted Array
  22. Read the Key-Value of Property File in Java
  23. Get All Keys and Values of the Properties files in Java
  24. Write the Keys and Values of the Properties files in Java
  25. Scheduling a Timer Task
  26. Getting the Current Time
  27. Getting Information of All Available Time Zones
  28. Getting the current date
  29. Determining the Number of Days in a Month
  30. Comparing Dates in Java
  31. Determining the actual age from date of birth in Java
  32. Determining If a Year is a Leap Year in Java
  33. Determining the Day-of-Week for a Particular Date
  34. What is a JAR file in Java
  35. Creating a JAR file in Java
  36. Viewing contents of a JAR File
  37. Listing the Main Attributes in a JAR File Manifest
  38. Creating a ZIP file in Java
  39. Listing Contents of a ZIP File
  40. Unzip a ZIP File