Packages

  • package root
    Definition Classes
    root
  • package de
    Definition Classes
    root
  • package h2b
    Definition Classes
    de
  • package scala
    Definition Classes
    h2b
  • package lib
    Definition Classes
    scala
  • package util

    This is a Scala library of programming utilities.

    This is a Scala library of programming utilities. It is not intended to comprise a systematic collection but contains some tools that may be useful for some applications.

    Some highlights are a number of probability distributions, a command-line interface, a configuration package, an RSS utility, a class to handle temporary directories, control structures, a logger trait and a timer.

    Definition Classes
    lib
  • package config

    This package provides various configuration sources under a common trait Config, which is basically an immutable map.

    This package provides various configuration sources under a common trait Config, which is basically an immutable map. The following implementations are available:

    - ArgsConfig loads key/value pairs from an array of strings: array elements that contain a separator char (defined by ArgsConfig.SeparatorChar) are considered as key/value pairs, while elements not consumed by this rule can be retrieved by the remaining array (makes it suitable to scan a command line for such key/value pairs and parsing the rest with tools like described in [U1 Command-Line Interface](#u1-command-line-interface).

    - FileConfig loads key/value pairs from a specified resource file which must conform to the java.util.Properties#load(InputStream) method; there is also a factory method where the resource is looked up under the modified package name of a specified class.

    - BundleConfig loads key/value pairs from a resource bundle (according to the java.util.ResourceBundle class) of a specified base name using a locale option; there is also a factory method where the resource bundle is looked up under the modified package name of a specified class.

    * SystemPropertiesConfig is a Config object that represents the system properties of the JVM.

    * SystemEnvironmentConfig is a Config object that represents the system environment; note that the system may not support environment variables -- in this case, this object is empty.

    Multiple Configs can be combined using the standard map ++ operators, yielding an overall Config.

    Definition Classes
    util
    Example:

    1. import de.h2b.scala.lib.util.config._
val argsConfig = ArgsConfig("-x key1=val1 /y key2=val2 abc".split(' '))
val sysConfig = SystemPropertiesConfig
val otherConfig = Config("one"->1, "two"->2, "three"->3)
val config = argsConfig ++ sysConfig ++ otherConfig
println(config.get("key1")) //> Some(val1)
println(config.get("java.version")) //> Some(1.8.0_121)
println(config.get("two")) //> Some(2)
println(argsConfig.remaining.mkString(" ")) //> -x /y abc
  • ArgsConfig
  • BundleConfig
  • Config
  • ConfigFactory
  • FileConfig
  • SystemEnvironmentConfig
  • SystemPropertiesConfig

object FileConfig

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  4. def apply(c: Class[_], name: String): Config[String, String]

    Loads key/value pairs from a resource file of specified name associated with a class.

    Loads key/value pairs from a resource file of specified name associated with a class.

    The resource is looked up under the modified package name of the given class (i.e., with '/' substituted for '.'), unless the resource name begins with a '/', in which case it is looked up under the resource name itself (stripping the leading '/').

    c

    the class for which the resource shall be got

    name

    the name of the desired resource

    returns

    a Config with key/value pairs loaded from the given resource file

    Note

    The content of the file must conform to the java.util.Properties#load(InputStream) method.

    ,

    If some I/O or other exception occurs when loading the file, the resulting Config is empty.

  5. def apply(propFile: File): Config[String, String]

    propFile

    the file from which the key/value pairs are loaded from

    returns

    a Config with key/value pairs loaded from a single properties file

    Note

    The content of the file must conform to the java.util.Properties#load(InputStream) method.

    ,

    If some I/O or other exception occurs when loading the file, the resulting Config is empty.

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    (Since version ) see corresponding Javadoc for more information.

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