Package org.apache.commons.exec.environment

Class DefaultProcessingEnvironment

  • Direct Known Subclasses:
    OpenVmsProcessingEnvironment
    public class DefaultProcessingEnvironment
extends java.lang.Object
    Helper class to determine the environment variable for the OS. Depending on the JDK the environment variables can be either retrieved directly from the JVM or requires starting a process to get them running an OS command line.
    Version:
    $Id: DefaultProcessingEnvironment.java 1636056 2014-11-01 21:12:52Z ggregory $

    • Field Summary

      Fields 
      Modifier and Type Field Description
      protected java.util.Map<java.lang.String,​java.lang.String> procEnvironment
      the environment variables of the process

    • Method Summary

      All Methods Instance Methods Concrete Methods Deprecated Methods 
      Modifier and Type Method Description
      private java.util.Map<java.lang.String,​java.lang.String> createEnvironmentMap()
      Creates a map that obeys the casing rules of the current platform for key lookup.
      protected java.util.Map<java.lang.String,​java.lang.String> createProcEnvironment()
      Find the list of environment variables for this process.
      protected CommandLine getProcEnvCommand()
      Deprecated.
      No longer needed
      java.util.Map<java.lang.String,​java.lang.String> getProcEnvironment()
      Find the list of environment variables for this process.
      protected java.io.BufferedReader runProcEnvCommand()
      Deprecated.
      No longer needed

      • Methods inherited from class java.lang.Object

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

    • Field Detail

      • procEnvironment

        protected java.util.Map<java.lang.String,​java.lang.String> procEnvironment
        the environment variables of the process

    • Constructor Detail

      • DefaultProcessingEnvironment

        public DefaultProcessingEnvironment()

    • Method Detail

      • getProcEnvironment

        public java.util.Map<java.lang.String,​java.lang.String> getProcEnvironment()
                                                                          throws java.io.IOException
        Find the list of environment variables for this process.
        Returns:
        a map containing the environment variables
        Throws:
        java.io.IOException - obtaining the environment variables failed

      • createProcEnvironment

        protected java.util.Map<java.lang.String,​java.lang.String> createProcEnvironment()
                                                                                throws java.io.IOException
        Find the list of environment variables for this process.
        Returns:
        a amp containing the environment variables
        Throws:
        java.io.IOException - the operation failed

      • runProcEnvCommand

        @Deprecated
protected java.io.BufferedReader runProcEnvCommand()
                                            throws java.io.IOException
        Deprecated.
        No longer needed
        Start a process to list the environment variables.
        Returns:
        a reader containing the output of the process
        Throws:
        java.io.IOException - starting the process failed

      • getProcEnvCommand

        @Deprecated
protected CommandLine getProcEnvCommand()
        Deprecated.
        No longer needed
        Determine the OS specific command line to get a list of environment variables.
        Returns:
        the command line

      • createEnvironmentMap

        private java.util.Map<java.lang.String,​java.lang.String> createEnvironmentMap()
        Creates a map that obeys the casing rules of the current platform for key lookup. E.g. on a Windows platform, the map keys will be case-insensitive.
        Returns:
        The map for storage of environment variables, never null.