Package org.apache.commons.cli

Class TypeHandler

  • public class TypeHandler
extends java.lang.Object
    This is a temporary implementation. TypeHandler will handle the pluggableness of OptionTypes and it will direct all of these types of conversion functionalities to ConvertUtils component in Commons already. BeanUtils I think.
    Version:
    $Id: TypeHandler.java 1677452 2015-05-03 17:10:00Z ggregory $

    • Constructor Summary

      Constructors 
      Constructor Description
      TypeHandler()  

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static java.lang.Class<?> createClass​(java.lang.String classname)
      Returns the class whose name is classname.
      static java.util.Date createDate​(java.lang.String str)
      Returns the date represented by str.
      static java.io.File createFile​(java.lang.String str)
      Returns the File represented by str.
      static java.io.File[] createFiles​(java.lang.String str)
      Returns the File[] represented by str.
      static java.lang.Number createNumber​(java.lang.String str)
      Create a number from a String.
      static java.lang.Object createObject​(java.lang.String classname)
      Create an Object from the classname and empty constructor.
      static java.net.URL createURL​(java.lang.String str)
      Returns the URL represented by str.
      static java.lang.Object createValue​(java.lang.String str, java.lang.Class<?> clazz)
      Returns the Object of type clazz with the value of str.
      static java.lang.Object createValue​(java.lang.String str, java.lang.Object obj)
      Returns the Object of type obj with the value of str.

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • TypeHandler

        public TypeHandler()

    • Method Detail

      • createValue

        public static java.lang.Object createValue​(java.lang.String str,
                                           java.lang.Object obj)
                                    throws ParseException
        Returns the Object of type obj with the value of str.
        Parameters:
        str - the command line value
        obj - the type of argument
        Returns:
        The instance of obj initialised with the value of str.
        Throws:
        ParseException - if the value creation for the given object type failed

      • createValue

        public static java.lang.Object createValue​(java.lang.String str,
                                           java.lang.Class<?> clazz)
                                    throws ParseException
        Returns the Object of type clazz with the value of str.
        Parameters:
        str - the command line value
        clazz - the type of argument
        Returns:
        The instance of clazz initialised with the value of str.
        Throws:
        ParseException - if the value creation for the given class failed

      • createObject

        public static java.lang.Object createObject​(java.lang.String classname)
                                     throws ParseException
        Create an Object from the classname and empty constructor.
        Parameters:
        classname - the argument value
        Returns:
        the initialised object
        Throws:
        ParseException - if the class could not be found or the object could not be created

      • createNumber

        public static java.lang.Number createNumber​(java.lang.String str)
                                     throws ParseException
        Create a number from a String. If a . is present, it creates a Double, otherwise a Long.
        Parameters:
        str - the value
        Returns:
        the number represented by str
        Throws:
        ParseException - if str is not a number

      • createClass

        public static java.lang.Class<?> createClass​(java.lang.String classname)
                                      throws ParseException
        Returns the class whose name is classname.
        Parameters:
        classname - the class name
        Returns:
        The class if it is found
        Throws:
        ParseException - if the class could not be found

      • createDate

        public static java.util.Date createDate​(java.lang.String str)
        Returns the date represented by str.

        This method is not yet implemented and always throws an UnsupportedOperationException.

        Parameters:
        str - the date string
        Returns:
        The date if str is a valid date string, otherwise return null.
        Throws:
        java.lang.UnsupportedOperationException - always

      • createURL

        public static java.net.URL createURL​(java.lang.String str)
                              throws ParseException
        Returns the URL represented by str.
        Parameters:
        str - the URL string
        Returns:
        The URL in str is well-formed
        Throws:
        ParseException - if the URL in str is not well-formed

      • createFile

        public static java.io.File createFile​(java.lang.String str)
        Returns the File represented by str.
        Parameters:
        str - the File location
        Returns:
        The file represented by str.

      • createFiles

        public static java.io.File[] createFiles​(java.lang.String str)
        Returns the File[] represented by str.

        This method is not yet implemented and always throws an UnsupportedOperationException.

        Parameters:
        str - the paths to the files
        Returns:
        The File[] represented by str.
        Throws:
        java.lang.UnsupportedOperationException - always