Java tutorial
import java.io.ByteArrayInputStream; import java.io.FileInputStream; import java.io.InputStream; import java.util.jar.Manifest; public class Main { public static void main(String[] argv) throws Exception { // Create a manifest from a file InputStream fis = new FileInputStream("manifestfile"); Manifest manifest = new Manifest(fis); // Construct a string version of a manifest StringBuffer sbuf = new StringBuffer(); sbuf.append("Manifest-Version: 1.0\n"); sbuf.append("\n"); sbuf.append("Name: javax/swing/JScrollPane.class\n"); sbuf.append("Java-Bean: True\n"); // Convert the string to a input stream InputStream is = new ByteArrayInputStream(sbuf.toString().getBytes("UTF-8")); // Create the manifest manifest = new Manifest(is); } }