build.sbt

# jeanluc/build.sbt
assemblyJarName in assembly := "jeanluc-" + version.value + ".jar"

JeanLucMain.scal

//  jeanluc/src/main/scala/dagr/jeanluc/JeanLucMain.scala
/*
 * The MIT License
 *
 * Copyright (c) 2016 Fulcrum Genomics LLC
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

package dagr.jeanluc

import dagr.sopt.cmdline.{CLPAnnotation, CommandLineParser}

// TODO: move this elsewhere
/** All Jean Luc tools should extend this. */
abstract class JeanLucTool {
  def execute: Int
}

@CLPAnnotation(description="Hello World!")
class HelloWorldTool extends JeanLucTool {
  override def execute: Int = {
    println("Hello World!")
    0
  }
}

object JeanLucMain {

  type JeanLucToolClass = Class[JeanLucTool]

  /** The main method */
  def main(args: Array[String]): Unit = {
    makeItSo(args=args) match {
      case Some(tool) => System.exit(tool.execute)
      case None => System.exit(1)
    }
  }

  /** The main method */
  def makeItSo(args: Array[String]): Option[JeanLucTool] = {
    val parser = new CommandLineParser[JeanLucTool]("JeanLuc")
    parser.parseIt[JeanLucTool](args=args, packageList=getPackageList, block=tool => Some(tool))
  }

  /** The packages we wish to include in our command line **/
  protected def getPackageList: List[String] = List[String]("dagr.jeanluc")
}