Get Zip Entry Example

/*
	Get Zip Entry Example
	This Java example shows how to get comment for specified 
	zip entry or all zip entries using getComment method of Java 
	ZipEntry class.
*/
 
import java.io.File;
import java.io.IOException;
import java.util.Enumeration;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
 
public class GetComment {
 
	public static void main(String args[])
	{		 
		try
		{
		   /*
			* To Open a zip file, use
			* 
			* ZipFile(String fileName)
			* constructor of the ZipFile class.
			* 
			* This constructor throws IOException for any I/O error.
			*/
		   ZipFile zipFile = new ZipFile("c:/FileIO/WebFiles.zip");
 
		   /*
		    * Get list of zip entries using entries method of
		    * ZipFile class.
		    */
 
			Enumeration e = zipFile.entries();
 
			while(e.hasMoreElements())
			{
				ZipEntry entry = (ZipEntry)e.nextElement();
 
				/*
				 * To get comment associated with zip entry or 
				 * archived file, use
				 * 
				 * String getComment() method of ZipEntry Class.
				 * 
				 * This method returns null if no comment is specified
				 * for particular entry.
				 */
 
				 String comment = entry.getComment();
 
				 if("".equals(comment))
				 	System.out.println(comment + " found for entry " + entry.getName());
				 else
				 	System.out.println("No comments found for entry " + entry.getName());
			}
 
			 /*
			  * close the opened zip file using,
			  * void close()
			  * method.
			  */
 
			  zipFile.close();
 
		 }
		 catch(IOException ioe)
		 {
			System.out.println("Error opening zip file" + ioe);
		 }
	}
}
 
/*
Output of this program would be,
No comments found for entry css/datagrid.css
No comments found for entry css/graph.css
No comments found for entry css/icons.css
No comments found for entry jsps/Masthead.jspf
No comments found for entry jsps/Welcome.jsp
 
*/