Class Options

  • All Implemented Interfaces:
    Serializable

    public class Options
    extends Object
    implements Serializable
    Main entry-point into the commonscli.

    Options represents a collection of Option objects, which describe the possible options for a command-line.

    It may flexibly parse long and short options, with or without values. Additionally, it may parse only a portion of a commandline, allowing for flexible multi-stage parsing.

    Version:
    $Id$
    See Also:
    org.apache.commons.cli.CommandLine, Serialized Form
    • Constructor Detail

      • Options

        public Options()
    • Method Detail

      • addOptionGroup

        public Options addOptionGroup​(OptionGroup group)
        Add the specified option group.
        Parameters:
        group - the OptionGroup that is to be added
        Returns:
        the resulting Options instance
      • addOption

        public Options addOption​(String opt,
                                 String description)
        Add an option that only contains a short name. The option does not take an argument.
        Parameters:
        opt - Short single-character name of the option.
        description - Self-documenting description
        Returns:
        the resulting Options instance
        Since:
        1.3
      • addOption

        public Options addOption​(String opt,
                                 boolean hasArg,
                                 String description)
        Add an option that only contains a short-name. It may be specified as requiring an argument.
        Parameters:
        opt - Short single-character name of the option.
        hasArg - flag signally if an argument is required after this option
        description - Self-documenting description
        Returns:
        the resulting Options instance
      • addOption

        public Options addOption​(String opt,
                                 String longOpt,
                                 boolean hasArg,
                                 String description)
        Add an option that contains a short-name and a long-name. It may be specified as requiring an argument.
        Parameters:
        opt - Short single-character name of the option.
        longOpt - Long multi-character name of the option.
        hasArg - flag signally if an argument is required after this option
        description - Self-documenting description
        Returns:
        the resulting Options instance
      • addOption

        public Options addOption​(Option opt)
        Adds an option instance
        Parameters:
        opt - the option that is to be added
        Returns:
        the resulting Options instance
      • getOptions

        public Collection<Option> getOptions()
        Retrieve a read-only list of options in this set
        Returns:
        read-only Collection of Option objects in this descriptor
      • getRequiredOptions

        public List getRequiredOptions()
        Returns the required options.
        Returns:
        read-only List of required options
      • getOption

        public Option getOption​(String opt)
        Retrieve the Option matching the long or short name specified. The leading hyphens in the name are ignored (up to 2).
        Parameters:
        opt - short or long name of the Option
        Returns:
        the option represented by opt
      • getMatchingOptions

        public List<String> getMatchingOptions​(String opt)
        Returns the options with a long name starting with the name specified.
        Parameters:
        opt - the partial name of the option
        Returns:
        the options matching the partial name specified, or an empty list if none matches
        Since:
        1.3
      • hasOption

        public boolean hasOption​(String opt)
        Returns whether the named Option is a member of this Options.
        Parameters:
        opt - short or long name of the Option
        Returns:
        true if the named Option is a member of this Options
      • hasLongOption

        public boolean hasLongOption​(String opt)
        Returns whether the named Option is a member of this Options.
        Parameters:
        opt - long name of the Option
        Returns:
        true if the named Option is a member of this Options
        Since:
        1.3
      • hasShortOption

        public boolean hasShortOption​(String opt)
        Returns whether the named Option is a member of this Options.
        Parameters:
        opt - short name of the Option
        Returns:
        true if the named Option is a member of this Options
        Since:
        1.3
      • getOptionGroup

        public OptionGroup getOptionGroup​(Option opt)
        Returns the OptionGroup the opt belongs to.
        Parameters:
        opt - the option whose OptionGroup is being queried.
        Returns:
        the OptionGroup if opt is part of an OptionGroup, otherwise return null
      • toString

        public String toString()
        Dump state, suitable for debugging.
        Overrides:
        toString in class Object
        Returns:
        Stringified form of this object