org.hecl.java

Class JavaCmd

java.lang.Object

org.hecl.java.JavaCmd

All Implemented Interfaces:

ClassCommand, Command

public class JavaCmd
extends java.lang.Object
implements ClassCommand, Command

The JavaCmd class is utilized to implement Hecl commands that can interact with Java classes. The real work is done in the Reflector class, which maps between Hecl and Java types.

Constructor Summary

Constructors

Constructor and Description
JavaCmd(java.lang.String clsname)

Method Summary

Modifier and Type	Method and Description
Thing	cmdCode(Interp interp, Thing[] argv) The cmdCode method takes an interpreter and an array of Things, performs some calculations, and returns a Thing representing the computed value, or null.
java.lang.Class	getCmdClass()
java.lang.String	getCmdName()
static void	load(Interp ip, java.lang.String cname, java.lang.String cmd)
Thing	method(Interp interp, ClassCommandInfo context, Thing[] argv) The method method takes an interpreter, a class information and an array of Things, performs some calculations, and returns a Thing which may be null.
static void	unload(Interp ip)

Methods inherited from class java.lang.Object

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

Constructor Detail

JavaCmd

public JavaCmd(java.lang.String clsname)
        throws HeclException

Throws:

HeclException

Method Detail

cmdCode

public Thing cmdCode(Interp interp,
                     Thing[] argv)
              throws HeclException

Description copied from interface: Command

The cmdCode method takes an interpreter and an array of Things, performs some calculations, and returns a Thing representing the computed value, or null.

Specified by:

cmdCode in interface Command

Parameters:

interp - an Interp value

argv - a Thing[] value

Returns:

A Thing representing the computed value, or null.

Throws:

HeclException - if an error occurs

method

public Thing method(Interp interp,
                    ClassCommandInfo context,
                    Thing[] argv)
             throws HeclException

Description copied from interface: ClassCommand

The method method takes an interpreter, a class information and an array of Things, performs some calculations, and returns a Thing which may be null. The interpreter calls this method when it detects an ObjectThing as first argument of a command on the script level and detects a command handler for the class of the value of the ObjectThing.

Specified by:

method in interface ClassCommand

Parameters:

interp - an Interp value

context - A reference to the ClassInfo> describing further details of th emethod.

argv - A Thing[] array holding the parameters for the method. The 0th element is the object, the 1st element is the method.

Throws:

HeclException - if an error occurs

getCmdClass

public java.lang.Class getCmdClass()

getCmdName

public java.lang.String getCmdName()

load

public static void load(Interp ip,
                        java.lang.String cname,
                        java.lang.String cmd)
                 throws HeclException

Throws:

HeclException

unload

public static void unload(Interp ip)