Get Compression Method of Zip Entry Example

/*
	Get Compression Method of Zip Entry Example
	This Java example shows how to get compression method used to
	compress the entry using getMethod 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 GetCompressionMethod {
 
	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();
 
			System.out.println("File Name\t\t\t\tCompression Method");
			System.out.println("---------------------------------");
 
			while(e.hasMoreElements())
			{
				ZipEntry entry = (ZipEntry)e.nextElement();
 
				/*
				 * To get compression method used to compress entry, use
				 * 
				 * int getMethod()
				 * method of ZipEntry class.
				 * 
				 * This method returns the method of compression, or -1
				 * if not specified.
				 * 
				 * Compression method can be either STORED or DEFLATED for
				 * any zip entry.
				 */				 
 
				 int method = entry.getMethod();
 
				 if(method == ZipEntry.DEFLATED)
				 	System.out.println(entry.getName() + "\t\t\t\tDeflated");
				 else if(method == ZipEntry.STORED)
				 	System.out.println(entry.getName() + "\t\t\t\tStored");
				 else if(method == -1)
				 	System.out.println(entry.getName() + "\t\t\t\tNot Specified");
 
			}
 
			 /*
			  * 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
File Name				Compression Method
---------------------------------
css/datagrid.css				Deflated
css/graph.css					Deflated
jsps/Masthead.jspf				Deflated
jsps/Welcome.jsp				Deflated
*/