Extract JAR and ZIP Entries with JarURLConnection

Extract JAR and ZIP Entries with JarURLConnection

Use the following code to extract JAR and ZIP Entries with JarURLConnection:

import*;import*;import java.awt.*;import java.util.*;import java.util.jar.*;class read extends Frame{URL url=null;JarURLConnection URLcon=null;JarFile jar=null;TextArea TA=new TextArea(15,35);public read(String titlu){   super(titlu);}void init(){   setLayout(new FlowLayout());   setSize(300,300);   add(TA);   setVisible(true);}public void getURLContent(){      try {                //local file      //url=new URL(      //"jar:file:/C:/Program%20Files/Java/jdk1.5.0/jre/lib/jsse.jar!/"      //);      //remote file      url=new URL(        "jar:!/");                      URLcon=(JarURLConnection)(url.openConnection());      jar=URLcon.getJarFile();   }catch(MalformedURLException e)      {System.out.println("Eroare1:"+e.getMessage());   }catch(IOException e)      {System.out.println("Eroare2:"+e.getMessage());}                   }           void entry(){   Enumeration  entries=jar.entries();   while(entries.hasMoreElements())   {      String entry=((JarEntry)entries.nextElement()).getName();      TA.append(entry+"
");   }  }       }public class JarURLContent{   public static void main(String[] args)      {   read t=new read("URL");            t.getURLContent();      t.init();          t.entry();     }}
See also  Redefining Energy Management: Advanced Solutions for Modern Buildings

About Our Editorial Process

At DevX, we’re dedicated to tech entrepreneurship. Our team closely follows industry shifts, new products, AI breakthroughs, technology trends, and funding announcements. Articles undergo thorough editing to ensure accuracy and clarity, reflecting DevX’s style and supporting entrepreneurs in the tech sphere.

See our full editorial policy.

About Our Journalist