Class DefaultProcessingEnvironment

java.lang.Object
org.apache.commons.exec.environment.DefaultProcessingEnvironment
Direct Known Subclasses:
OpenVmsProcessingEnvironment
public class DefaultProcessingEnvironment extends 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.

  • Field Details

    • procEnvironment

      protected Map<String,String> procEnvironment
      The environment variables of the process

  • Constructor Details

    • DefaultProcessingEnvironment

      public DefaultProcessingEnvironment()
      Constructs a new instance.

  • Method Details

    • createEnvironmentMap

      private Map<String,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.

    • createProcEnvironment

      protected Map<String,String> createProcEnvironment() throws IOException
      Creates the list of environment variables for this process.
      Returns:
      a map containing the environment variables.
      Throws:
      IOException - the operation 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.

    • getProcEnvironment

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

    • runProcEnvCommand

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