Convert RAR to ZIP in Java

convert-rar-to-zip.java

package com.example;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import com.aspose.zip.Archive;
import com.aspose.zip.RarArchive;
import com.aspose.zip.RarArchiveEntry;
import com.aspose.zip.exceptions.IOException;

public class Main {
	// Convert RAR to ZIP in Java
	public static void main(String[] args) throws java.io.IOException {
		// Define the directory path. 
		String dir = "/Desktop/";
		// Create an instance of the Archive class. 
		try (Archive zip = new Archive()) {
		// Initialize an object of the RarArchive class with the source RAR file.  
		try (RarArchive rar = new RarArchive(dir+"sample.rar")) {
			// Loop through the entries returned by the getEntries method.  
			for (int i = 0; i < rar.getEntries().size(); i++) {
				RarArchiveEntry entry = rar.getEntries().get(i);
				if (!entry.isDirectory()) {
					try (ByteArrayOutputStream out = new ByteArrayOutputStream()) {
						entry.extract(out);
						try (ByteArrayInputStream in = new ByteArrayInputStream(out.toByteArray())) {
							zip.createEntry(entry.getName(), in);
						}
					}
				} else {
					zip.createEntry(entry.getName() + "/", new ByteArrayInputStream(new byte[0]));
				}
			}
		}
		// Invoke the save method to save the output ZIP file on the disk. 
		zip.save(dir+"output.zip");
		} catch (IOException ex) {
			System.out.println(ex);
		}
	}
}