com.elegantj.data.parser.postfixmathcommand
Class Left

java.lang.Object
  com.elegantj.data.parser.postfixmathcommand.PostfixMathCommand
      com.elegantj.data.parser.postfixmathcommand.Left

All Implemented Interfaces:

PostfixMathCommandI

public class Left

extends PostfixMathCommand

Results the string from left end with specified length
Command Method -> String left(String str, int pos) : str - the string to be processed, pos - the end index of the the string, return the string

Constructor Summary

Left()

Method Summary

void	run(java.util.Stack inStack) Determines the node execution with the stack of arguments and store the result back to the stack.

Methods inherited from class com.elegantj.data.parser.postfixmathcommand.PostfixMathCommand

checkStack, getNumberOfParameters, getParameterTypes, getReturnType

Methods inherited from class java.lang.Object

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

Constructor Detail

Left

public Left()

Method Detail

run

public void run(java.util.Stack inStack)
         throws CommandFailedException,
                ArgumentRequiredException,
                InvalidArgumentException

Description copied from interface: PostfixMathCommandI

Determines the node execution with the stack of arguments and store the result back to the stack.

Parameters:

inStack - the stack of the arguments

Throws:

CommandFailedException

ArgumentRequiredException

InvalidArgumentException