net.obvj.jep.functions

Class StringPaddingFunction

java.lang.Object

org.nfunk.jep.function.PostfixMathCommand

net.obvj.jep.functions.StringPaddingFunction

All Implemented Interfaces:

MultiStrategyCommand, org.nfunk.jep.function.PostfixMathCommandI

public class StringPaddingFunction
extends org.nfunk.jep.function.PostfixMathCommand
implements MultiStrategyCommand

An "abstract" function for string padding, which accepts a variable number of arguments (either two or three parameters), and executes a particular strategy defined by StringPaddingFunction.Strategy.

Author:

oswaldo.bapvic.jr

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	StringPaddingFunction.Strategy Defines particular string-padding behaviors, such as right-padding and left-padding.

Constructor Summary

Constructors

Constructor and Description
StringPaddingFunction(StringPaddingFunction.Strategy strategy) Builds this function with a variable number of parameters.

Method Summary

Modifier and Type	Method and Description
Object	getStrategy()
void	run(Stack stack)

Methods inherited from class org.nfunk.jep.function.PostfixMathCommand

checkNumberOfParameters, getNumberOfParameters, setCurNumberOfParameters

Methods inherited from class java.lang.Object

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

Constructor Detail

StringPaddingFunction

public StringPaddingFunction(StringPaddingFunction.Strategy strategy)

Builds this function with a variable number of parameters.

Parameters:

strategy - the StringPaddingFunction.Strategy to be set

Method Detail

run

public void run(Stack stack)
         throws org.nfunk.jep.ParseException

Specified by:

run in interface org.nfunk.jep.function.PostfixMathCommandI

Overrides:

run in class org.nfunk.jep.function.PostfixMathCommand

Throws:

org.nfunk.jep.ParseException

See Also:

PostfixMathCommand.run(java.util.Stack)

getStrategy

public Object getStrategy()

Specified by:

getStrategy in interface MultiStrategyCommand

Returns:

the strategy assigned to a command instance, for testing purposes

See Also:

MultiStrategyCommand.getStrategy()