JarRead.java Source code

Introduction

Here is the source code for JarRead.java

Source

import java.io.*;
import java.util.jar.*;

public class JarRead {
    public static void main(String args[]) throws IOException {
        if (args.length != 2) {
            System.out.println("Please provide a JAR filename and file to read");
            System.exit(-1);
        }
        JarFile jarFile = new JarFile(args[0]);
        JarEntry entry = jarFile.getJarEntry(args[1]);
        InputStream input = jarFile.getInputStream(entry);
        process(input);
        jarFile.close();
    }

    private static void process(InputStream input) throws IOException {
        InputStreamReader isr = new InputStreamReader(input);
        BufferedReader reader = new BufferedReader(isr);
        String line;
        while ((line = reader.readLine()) != null) {
            System.out.println(line);
        }
        reader.close();
    }
}