Generate local Maven repository from existing jar files

generate-maven-repo.js

/**
 * @author Mouaffak A. Sarhan.
 * 
 * This Node script will read Jar files inside 'lib' folder and:
 * 	1) Install jar files to local Maven repository 'repo'
 * 	2) Generate 'pom.xml' file
 */

function generate(){
	var fs = require('fs');
	
	if(fs.existsSync('pom.xml')){
		fs.renameSync('pom.xml', 'pom-backup.xml');
	}
	
	var pomText = [];
	var verReg = /(\d+\.\d+\.\d+.*|\d+\.\d+.*)\.jar/;

	var jars = fs.readdirSync('lib');
	for(var i=0; i < jars.length; i++){
		if(!/\.jar$/.test(jars[i])){
			continue;
		}
		
		var fileName = jars[i];
		var artifact = {
			fileName: fileName
		};

		var match = fileName.match(verReg);
		var version = (match && match.length > 0 ? match[1] : '0.0.0');
		var baseName = fileName.replace(/^.*\/|\.[^.]*$/g, '');
		
		artifact.version = version;
		artifact.name = baseName.replace(version, '').replace(/-$|_$/, '');
		artifact.group = artifact.name;
		
		console.log('>>  ' + artifact.fileName);
		mvnInstall(artifact);
		pomText.push(mavenDependency(artifact));
	}
	
	var pomHeader = '<?xml version="1.0" encoding="UTF-8"?>\n\
		<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://maven.apache.org/POM/4.0.0"\n\
			xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">\n\
			<modelVersion>4.0.0</modelVersion>\n<dependencies>';
	
	var repo = '\n<repository>\
						\n\t<id>project</id>\
						\n\t<url>file://${project.basedir}/repo</url>\
					\n</repository>';
	pomText = pomHeader + pomText.join("") + "\n</dependencies>" + repo + '\n</project>';
	fs.writeFileSync("pom.xml", pomText);
}

function mvnInstall(artifact){
	var exec = require('child_process').execSync;
	var child;
	var mvn = "mvn install:install-file" + 
		 " -Dfile=" + "lib/" + artifact.fileName +
		 " -DgroupId=" + artifact.group + 
		 " -DartifactId=" + artifact.name + 
		 " -Dversion=" + artifact.version + 
		 " -Dpackaging=jar" + 
		 " -DlocalRepositoryPath=repo";
		
	child = exec(mvn);		
}

function mavenDependency(artifact){
	return new String(
		'\n\t<!-- '+artifact.fileName+' -->'+
		'\n\t<dependency>'+
		  '\n\t\t<groupId>'+artifact.group+'</groupId>'+
		  '\n\t\t<artifactId>'+artifact.name+'</artifactId>'+
		  '\n\t\t<version>'+artifact.version+'</version>'+
		'\n\t</dependency>');
}

generate();