Package scala_maven_executions

Class MainHelper

  • public class MainHelper
extends java.lang.Object
    Helper methods

    • Field Summary

      Fields 
      Modifier and Type Field Description
      static java.lang.String argFilePrefix  
      static java.lang.String argFileSuffix  

    • Constructor Summary

      Constructors 
      Constructor Description
      MainHelper()  

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static void appendUrltoClasspathCollection​(java.lang.ClassLoader cl, java.util.Collection<java.lang.String> classpath)  
      static java.io.File createArgFile​(java.util.List<java.lang.String> args)
      Creates a file containing all the arguments.
      private static java.lang.String escapeArgumentForScalacArgumentFile​(java.lang.String arg)
      Escapes arguments as necessary so the StringTokenizer for scala arguments pulls in filenames with spaces correctly.
      static java.lang.String[] findFiles​(java.io.File dir, java.lang.String pattern)  
      static java.lang.String[] findFiles​(java.io.File dir, java.lang.String[] includes, java.lang.String[] excludes)  
      static java.lang.String locateJar​(java.lang.Class<?> c)  
      static java.util.List<java.lang.String> readArgFile​(java.io.File argFile)
      Creates a file containing all the arguments.
      static void runMain​(java.lang.String mainClassName, java.util.List<java.lang.String> args, java.lang.ClassLoader cl)
      Runs the main method of a java class
      static java.lang.String toClasspathString​(java.lang.ClassLoader cl)  
      static java.lang.String toMultiPath​(java.lang.String[] paths)  
      static java.lang.String toMultiPath​(java.util.List<java.lang.String> paths)  
      private static java.lang.String unescapeArgumentForScalacArgumentFile​(java.lang.String arg)
      UnEscapes arguments as necessary so the StringTokenizer for scala arguments pulls in filenames with spaces correctly.

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Constructor Detail

      • MainHelper

        public MainHelper()

    • Method Detail

      • toMultiPath

        public static java.lang.String toMultiPath​(java.util.List<java.lang.String> paths)

      • toMultiPath

        public static java.lang.String toMultiPath​(java.lang.String[] paths)

      • findFiles

        public static java.lang.String[] findFiles​(java.io.File dir,
                                           java.lang.String pattern)

      • findFiles

        public static java.lang.String[] findFiles​(java.io.File dir,
                                           java.lang.String[] includes,
                                           java.lang.String[] excludes)

      • toClasspathString

        public static java.lang.String toClasspathString​(java.lang.ClassLoader cl)
                                          throws java.lang.Exception
        Throws:
        java.lang.Exception

      • appendUrltoClasspathCollection

        public static void appendUrltoClasspathCollection​(java.lang.ClassLoader cl,
                                                  java.util.Collection<java.lang.String> classpath)
                                           throws java.lang.Exception
        Throws:
        java.lang.Exception

      • escapeArgumentForScalacArgumentFile

        private static java.lang.String escapeArgumentForScalacArgumentFile​(java.lang.String arg)
        Escapes arguments as necessary so the StringTokenizer for scala arguments pulls in filenames with spaces correctly.
        Parameters:
        arg -
        Returns:

      • unescapeArgumentForScalacArgumentFile

        private static java.lang.String unescapeArgumentForScalacArgumentFile​(java.lang.String arg)
        UnEscapes arguments as necessary so the StringTokenizer for scala arguments pulls in filenames with spaces correctly.
        Parameters:
        arg -
        Returns:

      • createArgFile

        public static java.io.File createArgFile​(java.util.List<java.lang.String> args)
                                  throws java.io.IOException
        Creates a file containing all the arguments. This file has a very simple format of argument (white-space argument).
        Returns:
        Throws:
        java.io.IOException

      • readArgFile

        public static java.util.List<java.lang.String> readArgFile​(java.io.File argFile)
                                                    throws java.io.IOException
        Creates a file containing all the arguments. This file has a very simple format of argument (white-space argument).
        Returns:
        Throws:
        java.io.IOException

      • runMain

        public static void runMain​(java.lang.String mainClassName,
                           java.util.List<java.lang.String> args,
                           java.lang.ClassLoader cl)
                    throws java.lang.Exception
        Runs the main method of a java class
        Throws:
        java.lang.Exception

      • locateJar

        public static java.lang.String locateJar​(java.lang.Class<?> c)
                                  throws java.lang.Exception
        Throws:
        java.lang.Exception