Generates a maven pom.xml file from a Jars.lock file (see https://github.com/mkristian/jar-dependencies)

JarsLock2mvn.java

package com.github.pierre_ernst;

import java.io.File;
import java.util.Scanner;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 * Generates a maven pom.xml file from a Jars.lock file
 * @see https://github.com/mkristian/jar-dependencies
 */
public class JarsLock2mvn {

    public static void main(String... args) {
        try {
            if (args.length != 1) {
                System.err.println("Usage: java " + JarsLock2mvn.class.getName() + " <Jars.lock>");
            } else {

                System.out.println("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" +
                        "<project xmlns=\"http://maven.apache.org/POM/4.0.0\"\n" +
                        "         xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"\n" +
                        "         xsi:schemaLocation=\"http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd\">\n" +
                        "\t<modelVersion>4.0.0</modelVersion>\n" +
                        "\t<groupId>com.github.pierre_ernst</groupId>\n" +
                        "\t<version>1</version>\n" +
                        "\t<artifactId>jarsLock2mvn</artifactId>\n\t<dependencies>\n");

                Scanner input = new Scanner(new File(args[0]));
                Pattern p = Pattern.compile("^([^:]+):([^:]+):([^:]+):compile:.*$");
                while (input.hasNext()) {
                    Matcher m = p.matcher(input.next());
                    if (m.matches()) {
                        String g = m.group(1);
                        String a = m.group(2);
                        String v = m.group(3);

                        System.out.println("\t\t<dependency>\n\t\t\t<groupId>" + g + "</groupId>\n\t\t\t<artifactId>" + a + "</artifactId>\n\t\t\t<version>" + v + "</version>\n\t\t</dependency>\n");
                    }
                }

                System.out.println("\t</dependencies>\n</project>");
            }
        } catch (Exception ex) {
            ex.printStackTrace(System.err);
        }
    }
}